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', 'sunos'].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().startswith('intel') and meson.version().version_compare('< 0.49.1')
 203   error('Meson does not have sufficient support of ICC before 0.49.1 to compile mesa')
 204 endif
 205
 206 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 207
 208 if with_gallium and system_has_kms_drm
 209   _glx = get_option('glx')
 210   _egl = get_option('egl')
 211   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 212     with_dri = true
 213   endif
 214 endif
 215
 216 _vulkan_drivers = get_option('vulkan-drivers')
 217 if _vulkan_drivers.contains('auto')
 218   if system_has_kms_drm
 219     if host_machine.cpu_family().startswith('x86')
 220       _vulkan_drivers = ['amd', 'intel']
 221     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 222       _vulkan_drivers = []
 223     else
 224       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 225             host_machine.cpu_family()))
 226     endif
 227   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 228     # No vulkan driver supports windows or macOS currently
 229     _vulkan_drivers = []
 230   else
 231     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 232           host_machine.system()))
 233   endif
 234 endif
 235
 236 with_intel_vk = _vulkan_drivers.contains('intel')
 237 with_amd_vk = _vulkan_drivers.contains('amd')
 238 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 239 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 240
 241 if with_freedreno_vk and get_option('I-love-half-baked-turnips') != true
 242   error('Cannot enable freedreno vulkan driver')
 243 endif
 244
 245 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 246   error('Only one swrast provider can be built')
 247 endif
 248 if with_dri_i915 and with_gallium_i915
 249   error('Only one i915 provider can be built')
 250 endif
 251 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)
 252   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
 253 endif
 254 if with_gallium_tegra and not with_gallium_nouveau
 255   error('tegra driver requires nouveau driver')
 256 endif
 257
 258 if host_machine.system() == 'darwin'
 259   with_dri_platform = 'apple'
 260   pre_args += '-DBUILDING_MESA'
 261 elif ['windows', 'cygwin'].contains(host_machine.system())
 262   with_dri_platform = 'windows'
 263 elif system_has_kms_drm
 264   with_dri_platform = 'drm'
 265 else
 266   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 267   # assert here that one of those cases has been met.
 268   # FIXME: illumos ends up here as well
 269   with_dri_platform = 'none'
 270 endif
 271
 272 _platforms = get_option('platforms')
 273 if _platforms.contains('auto')
 274   if system_has_kms_drm
 275     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 276   elif ['darwin', 'cygwin'].contains(host_machine.system())
 277     _platforms = ['x11', 'surfaceless']
 278   elif ['haiku'].contains(host_machine.system())
 279     _platforms = ['haiku']
 280   elif host_machine.system() == 'windows'
 281     _platforms = ['windows']
 282   else
 283     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 284           host_machine.system()))
 285   endif
 286 endif
 287
 288 with_platform_android = _platforms.contains('android')
 289 with_platform_x11 = _platforms.contains('x11')
 290 with_platform_wayland = _platforms.contains('wayland')
 291 with_platform_drm = _platforms.contains('drm')
 292 with_platform_haiku = _platforms.contains('haiku')
 293 with_platform_surfaceless = _platforms.contains('surfaceless')
 294 with_platform_windows = _platforms.contains('windows')
 295
 296 with_platforms = false
 297 if _platforms.length() != 0 and _platforms != ['']
 298   # sanity check that list contains no empty strings
 299   if _platforms.contains('')
 300     error('Invalid argument list given to -Dplatforms, please fix.')
 301   endif
 302   with_platforms = true
 303   egl_native_platform = _platforms[0]
 304 endif
 305
 306 _xlib_lease = get_option('xlib-lease')
 307 if _xlib_lease == 'auto'
 308   with_xlib_lease = with_platform_x11 and with_platform_drm
 309 else
 310   with_xlib_lease = _xlib_lease == 'true'
 311 endif
 312
 313 with_glx = get_option('glx')
 314 if with_glx == 'auto'
 315   if with_dri
 316     with_glx = 'dri'
 317   elif with_platform_haiku
 318     with_glx = 'disabled'
 319   elif host_machine.system() == 'windows'
 320     with_glx = 'disabled'
 321   elif with_gallium
 322     # Even when building just gallium drivers the user probably wants dri
 323     with_glx = 'dri'
 324   elif with_platform_x11 and with_any_opengl and not with_any_vk
 325     # The automatic behavior should not be to turn on xlib based glx when
 326     # building only vulkan drivers
 327     with_glx = 'xlib'
 328   else
 329     with_glx = 'disabled'
 330   endif
 331 endif
 332 if with_glx == 'dri'
 333    if with_gallium
 334       with_dri = true
 335    endif
 336 endif
 337
 338 if not (with_dri or with_gallium or with_glx != 'disabled')
 339   with_gles1 = false
 340   with_gles2 = false
 341   with_opengl = false
 342   with_any_opengl = false
 343   with_shared_glapi = false
 344 endif
 345
 346 _gbm = get_option('gbm')
 347 if _gbm == 'auto'
 348   with_gbm = system_has_kms_drm and with_dri
 349 else
 350   with_gbm = _gbm == 'true'
 351 endif
 352 if with_gbm and not system_has_kms_drm
 353   error('GBM only supports DRM/KMS platforms')
 354 endif
 355
 356 _egl = get_option('egl')
 357 if _egl == 'auto'
 358   with_egl = (
 359     not ['darwin', 'windows'].contains(host_machine.system()) and
 360     with_dri and with_shared_glapi and with_platforms
 361   )
 362 elif _egl == 'true'
 363   if not with_dri
 364     error('EGL requires dri')
 365   elif not with_shared_glapi
 366     error('EGL requires shared-glapi')
 367   elif not with_platforms
 368     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 369   elif not ['disabled', 'dri'].contains(with_glx)
 370     error('EGL requires dri, but a GLX is being built without dri')
 371   elif ['darwin', 'windows'].contains(host_machine.system())
 372     error('EGL is not available on Windows or MacOS')
 373   endif
 374   with_egl = true
 375 else
 376   with_egl = false
 377 endif
 378
 379 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
 380   if with_gallium_radeonsi
 381     error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
 382   endif
 383   if with_gallium_virgl
 384     error('Virgl requires the drm, surfaceless or android platform when using EGL')
 385   endif
 386 endif
 387
 388 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
 389 if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
 390   pre_args += '-DUSE_ELF_TLS'
 391 endif
 392
 393 if with_glx != 'disabled'
 394   if not (with_platform_x11 and with_any_opengl)
 395     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 396   elif with_glx == 'gallium-xlib'
 397     if not with_gallium
 398       error('Gallium-xlib based GLX requires at least one gallium driver')
 399     elif not with_gallium_softpipe
 400       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 401     elif with_dri
 402       error('gallium-xlib conflicts with any dri driver')
 403     endif
 404   elif with_glx == 'xlib'
 405     if with_dri
 406       error('xlib conflicts with any dri driver')
 407     endif
 408   elif with_glx == 'dri'
 409     if not with_shared_glapi
 410       error('dri based GLX requires shared-glapi')
 411     endif
 412   endif
 413 endif
 414
 415 with_glvnd = get_option('glvnd')
 416 if with_glvnd
 417   if with_platform_windows
 418     error('glvnd cannot be used on Windows')
 419   elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
 420     error('Cannot build glvnd support for GLX that is not DRI based.')
 421   elif with_glx == 'disabled' and not with_egl
 422     error('glvnd requires DRI based GLX and/or EGL')
 423   endif
 424   if get_option('egl-lib-suffix') != ''
 425     error('''EGL lib suffix can't be used with libglvnd''')
 426   endif
 427 endif
 428
 429 if with_vulkan_icd_dir == ''
 430   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 431 endif
 432
 433 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
 434   host_machine.system() == 'gnu')
 435 _dri3 = get_option('dri3')
 436 if _dri3 == 'auto'
 437   with_dri3 = system_has_kms_drm and with_dri2
 438 else
 439   with_dri3 = _dri3 == 'true'
 440 endif
 441
 442 if with_any_vk and (with_platform_x11 and not with_dri3)
 443   error('Vulkan drivers require dri3 for X11 support')
 444 endif
 445 if with_dri
 446   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 447     error('building dri drivers require at least one windowing system or classic osmesa')
 448   endif
 449 endif
 450
 451 prog_pkgconfig = find_program('pkg-config')
 452
 453 _vdpau = get_option('gallium-vdpau')
 454 if not system_has_kms_drm
 455   if _vdpau == 'true'
 456     error('VDPAU state tracker can only be build on unix-like OSes.')
 457   else
 458     _vdpau = 'false'
 459   endif
 460 elif not with_platform_x11
 461   if _vdpau == 'true'
 462     error('VDPAU state tracker requires X11 support.')
 463   else
 464     _vdpau = 'false'
 465   endif
 466 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 467           with_gallium_nouveau)
 468   if _vdpau == 'true'
 469     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 470   else
 471     _vdpau = 'false'
 472   endif
 473 endif
 474 dep_vdpau = null_dep
 475 with_gallium_vdpau = false
 476 if _vdpau != 'false'
 477   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 478   if dep_vdpau.found()
 479     dep_vdpau = declare_dependency(
 480       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 481     )
 482     with_gallium_vdpau = true
 483   endif
 484 endif
 485
 486 if with_gallium_vdpau
 487   pre_args += '-DHAVE_ST_VDPAU'
 488 endif
 489 vdpau_drivers_path = get_option('vdpau-libs-path')
 490 if vdpau_drivers_path == ''
 491   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 492 endif
 493
 494 _xvmc = get_option('gallium-xvmc')
 495 if not system_has_kms_drm
 496   if _xvmc == 'true'
 497     error('XVMC state tracker can only be build on unix-like OSes.')
 498   else
 499     _xvmc = 'false'
 500   endif
 501 elif not with_platform_x11
 502   if _xvmc == 'true'
 503     error('XVMC state tracker requires X11 support.')
 504   else
 505     _xvmc = 'false'
 506   endif
 507 elif not (with_gallium_r600 or with_gallium_nouveau)
 508   if _xvmc == 'true'
 509     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 510   else
 511     _xvmc = 'false'
 512   endif
 513 endif
 514 dep_xvmc = null_dep
 515 dep_xv = null_dep
 516 with_gallium_xvmc = false
 517 if _xvmc != 'false'
 518   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 519   dep_xv = dependency('xv', required : _xvmc == 'true')
 520   with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
 521 endif
 522
 523 xvmc_drivers_path = get_option('xvmc-libs-path')
 524 if xvmc_drivers_path == ''
 525   xvmc_drivers_path = get_option('libdir')
 526 endif
 527
 528 _omx = get_option('gallium-omx')
 529 if not system_has_kms_drm
 530   if ['auto', 'disabled'].contains(_omx)
 531     _omx = 'disabled'
 532   else
 533     error('OMX state tracker can only be built on unix-like OSes.')
 534   endif
 535 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 536   if ['auto', 'disabled'].contains(_omx)
 537     _omx = 'disabled'
 538   else
 539     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 540   endif
 541 endif
 542 with_gallium_omx = _omx
 543 dep_omx = null_dep
 544 dep_omx_other = []
 545 if ['auto', 'bellagio'].contains(_omx)
 546   dep_omx = dependency(
 547     'libomxil-bellagio', required : _omx == 'bellagio'
 548   )
 549   if dep_omx.found()
 550     with_gallium_omx = 'bellagio'
 551   endif
 552 endif
 553 if ['auto', 'tizonia'].contains(_omx)
 554   if with_dri and with_egl
 555     dep_omx = dependency(
 556       'libtizonia', version : '>= 0.10.0',
 557       required : _omx == 'tizonia',
 558     )
 559     dep_omx_other = [
 560       dependency('libtizplatform', required : _omx == 'tizonia'),
 561       dependency('tizilheaders', required : _omx == 'tizonia'),
 562     ]
 563     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 564       with_gallium_omx = 'tizonia'
 565     endif
 566   elif _omx == 'tizonia'
 567     error('OMX-Tizonia state tracker requires dri and egl')
 568   endif
 569 endif
 570 if _omx == 'auto'
 571   with_gallium_omx = 'disabled'
 572 else
 573   with_gallium_omx = _omx
 574 endif
 575
 576 pre_args += [
 577   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 578   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 579 ]
 580
 581
 582 omx_drivers_path = get_option('omx-libs-path')
 583
 584 if with_gallium_omx != 'disabled'
 585   # Figure out where to put the omx driver.
 586   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 587   # argument to meson's get_pkgconfig_variable method.
 588   if omx_drivers_path == ''
 589     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 590     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 591     if _omx_libdir == get_option('libdir')
 592       omx_drivers_path = _omx_drivers_dir
 593     else
 594       _omx_base_dir = []
 595       # This will fail on windows. Does OMX run on windows?
 596       _omx_libdir = _omx_libdir.split('/')
 597       _omx_drivers_dir = _omx_drivers_dir.split('/')
 598       foreach o : _omx_drivers_dir
 599         if not _omx_libdir.contains(o)
 600           _omx_base_dir += o
 601         endif
 602       endforeach
 603       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 604     endif
 605   endif
 606 endif
 607
 608 _va = get_option('gallium-va')
 609 if not system_has_kms_drm
 610   if _va == 'true'
 611     error('VA state tracker can only be built on unix-like OSes.')
 612   else
 613     _va = 'false'
 614   endif
 615 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 616   if _va == 'true'
 617     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 618   else
 619     _va = 'false'
 620   endif
 621 endif
 622 with_gallium_va = false
 623 dep_va = null_dep
 624 if _va != 'false'
 625   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 626   if dep_va.found()
 627     dep_va_headers = declare_dependency(
 628       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 629     )
 630     with_gallium_va = true
 631   endif
 632 endif
 633
 634 va_drivers_path = get_option('va-libs-path')
 635 if va_drivers_path == ''
 636   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 637 endif
 638
 639 _xa = get_option('gallium-xa')
 640 if not system_has_kms_drm
 641   if _xa == 'true'
 642     error('XA state tracker can only be built on unix-like OSes.')
 643   else
 644     _xa = 'false'
 645   endif
 646 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 647           or with_gallium_svga)
 648   if _xa == 'true'
 649     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 650   else
 651     _xa = 'false'
 652   endif
 653 endif
 654 with_gallium_xa = _xa != 'false'
 655
 656 d3d_drivers_path = get_option('d3d-drivers-path')
 657 if d3d_drivers_path == ''
 658   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 659 endif
 660
 661 with_gallium_st_nine =  get_option('gallium-nine')
 662 if with_gallium_st_nine
 663   if not with_gallium_softpipe
 664     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 665   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 666             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 667             or with_gallium_iris)
 668     error('The nine state tracker requires at least one non-swrast gallium driver.')
 669   endif
 670   if not with_dri3
 671     error('Using nine with wine requires dri3')
 672   endif
 673 endif
 674
 675 if get_option('power8') != 'false'
 676   # on old versions of meson the cpu family would return as ppc64le on little
 677   # endian power8, this was changed in 0.48 such that the family would always
 678   # be ppc64 regardless of endianness, and then the machine.endian() value
 679   # should be checked. Since we support versions < 0.48 we need to use
 680   # startswith.
 681   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 682     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 683       error('Altivec is not supported with gcc version < 4.8.')
 684     endif
 685     if cc.compiles('''
 686         #include <altivec.h>
 687         int main() {
 688           vector unsigned char r;
 689           vector unsigned int v = vec_splat_u32 (1);
 690           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 691           return 0;
 692         }''',
 693         args : '-mpower8-vector',
 694         name : 'POWER8 intrinsics')
 695       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 696     elif get_option('power8') == 'true'
 697       error('POWER8 intrinsic support required but not found.')
 698     endif
 699   endif
 700 endif
 701
 702 _opencl = get_option('gallium-opencl')
 703 clover_cpp_std = []
 704 if _opencl != 'disabled'
 705   if not with_gallium
 706     error('OpenCL Clover implementation requires at least one gallium driver.')
 707   endif
 708
 709   dep_clc = dependency('libclc')
 710   with_gallium_opencl = true
 711   with_opencl_icd = _opencl == 'icd'
 712
 713   with_opencl_spirv = get_option('opencl-spirv')
 714   if with_opencl_spirv
 715     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 716     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 717     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 718   else
 719     dep_spirv_tools = null_dep
 720     dep_llvmspirvlib = null_dep
 721   endif
 722
 723   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 724       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 725       #error "AltiVec not enabled"
 726       #endif''',
 727       name : 'Altivec')
 728     clover_cpp_std += ['cpp_std=gnu++11']
 729   endif
 730 else
 731   dep_clc = null_dep
 732   dep_spirv_tools = null_dep
 733   dep_llvmspirvlib = null_dep
 734   with_gallium_opencl = false
 735   with_opencl_icd = false
 736   with_opencl_spirv = false
 737 endif
 738
 739 gl_pkgconfig_c_flags = []
 740 if with_platform_x11
 741   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 742     pre_args += '-DHAVE_X11_PLATFORM'
 743   endif
 744   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 745     pre_args += '-DUSE_XSHM'
 746   else
 747     pre_args += '-DGLX_INDIRECT_RENDERING'
 748     if with_glx_direct
 749       pre_args += '-DGLX_DIRECT_RENDERING'
 750     endif
 751     if with_dri_platform == 'drm'
 752       pre_args += '-DGLX_USE_DRM'
 753     elif with_dri_platform == 'apple'
 754       pre_args += '-DGLX_USE_APPLEGL'
 755     elif with_dri_platform == 'windows'
 756       pre_args += '-DGLX_USE_WINDOWSGL'
 757     endif
 758   endif
 759 else
 760   pre_args += '-DEGL_NO_X11'
 761   gl_pkgconfig_c_flags += '-DEGL_NO_X11'
 762 endif
 763 if with_platform_drm
 764   if with_egl and not with_gbm
 765     error('EGL drm platform requires gbm')
 766   endif
 767   pre_args += '-DHAVE_DRM_PLATFORM'
 768 endif
 769 if with_platform_surfaceless
 770   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 771 endif
 772 if with_platform_android
 773   dep_android = [
 774     dependency('cutils'),
 775     dependency('hardware'),
 776     dependency('sync'),
 777   ]
 778   if get_option('platform-sdk-version') >= 26
 779     dep_android += dependency('nativewindow')
 780   endif
 781   pre_args += '-DHAVE_ANDROID_PLATFORM'
 782 endif
 783 if with_platform_haiku
 784   pre_args += '-DHAVE_HAIKU_PLATFORM'
 785 endif
 786
 787 if meson.version().version_compare('>=0.50')
 788   prog_python = import('python').find_installation('python3')
 789 else
 790   prog_python = import('python3').find_python()
 791 endif
 792 has_mako = run_command(
 793   prog_python, '-c',
 794   '''
 795 from distutils.version import StrictVersion
 796 import mako
 797 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 798   ''')
 799 if has_mako.returncode() != 0
 800   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 801 endif
 802
 803 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 804   error('When using GCC, version 4.4.6 or later is required.')
 805 endif
 806
 807 # Support systems without ETIME (e.g. FreeBSD)
 808 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
 809   pre_args += '-DETIME=ETIMEDOUT'
 810 endif
 811
 812 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 813 if get_option('buildtype') == 'debug'
 814   pre_args += '-DDEBUG'
 815 endif
 816
 817 with_shader_cache = false
 818 _shader_cache = get_option('shader-cache')
 819 if _shader_cache != 'false'
 820   if host_machine.system() == 'windows'
 821     if _shader_cache == 'true'
 822       error('Shader Cache does not currently work on Windows')
 823     endif
 824   else
 825     pre_args += '-DENABLE_SHADER_CACHE'
 826     with_shader_cache = true
 827   endif
 828 endif
 829 if with_amd_vk and not with_shader_cache
 830   error('Radv requires shader cache support')
 831 endif
 832
 833 # Check for GCC style builtins
 834 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 835              'ffsll', 'popcount', 'popcountll', 'unreachable']
 836   if cc.has_function(b)
 837     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 838   endif
 839 endforeach
 840
 841 # check for GCC __attribute__
 842 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 843              'warn_unused_result', 'weak',]
 844   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 845                  name : '__attribute__((@0@))'.format(a))
 846     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 847   endif
 848 endforeach
 849 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 850                name : '__attribute__((format(...)))')
 851   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 852 endif
 853 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 854                name : '__attribute__((packed))')
 855   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 856 endif
 857 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 858                name : '__attribute__((returns_nonnull))')
 859   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 860 endif
 861 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 862                   int foo_hid(void) __attribute__((visibility("hidden")));
 863                   int foo_int(void) __attribute__((visibility("internal")));
 864                   int foo_pro(void) __attribute__((visibility("protected")));''',
 865                name : '__attribute__((visibility(...)))')
 866   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 867 endif
 868 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 869                name : '__attribute__((alias(...)))')
 870   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 871 endif
 872 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 873                name : '__attribute__((__noreturn__))')
 874   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 875 endif
 876 if cc.compiles('__uint128_t foo(void) { return 0; }',
 877                name : '__uint128_t')
 878   pre_args += '-DHAVE_UINT128'
 879 endif
 880
 881 # TODO: this is very incomplete
 882 if ['linux', 'cygwin', 'gnu', 'gnu/kfreebsd'].contains(host_machine.system())
 883   pre_args += '-D_GNU_SOURCE'
 884 elif host_machine.system() == 'sunos'
 885   pre_args += '-D__EXTENSIONS__'
 886 elif host_machine.system() == 'windows'
 887   pre_args += [
 888     '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-D_WINVER=0x0601',
 889     '-DPIPE_SUBSYSTEM_WINDOWS_USER',
 890     '-D_USE_MATH_DEFINES',  # XXX: scons doesn't use this for mingw
 891   ]
 892   if cc.get_id() == 'msvc'
 893     pre_args += [
 894       '-DVC_EXTRALEAN',
 895       '-D_CRT_SECURE_NO_WARNINGS',
 896       '-D_CRT_SECURE_NO_DEPRECATE',
 897       '-D_SCL_SECURE_NO_WARNINGS',
 898       '-D_SCL_SECURE_NO_DEPRECATE',
 899       '-D_ALLOW_KEYWORD_MACROS',
 900       '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
 901     ]
 902   else
 903     pre_args += ['-D__MSVCRT_VERSION__=0x0700']
 904   endif
 905 endif
 906
 907 # Check for generic C arguments
 908 c_args = []
 909 c_vis_args = []
 910 c_msvc_compat_args = []
 911 no_override_init_args = []
 912 cpp_args = []
 913 cpp_vis_args = []
 914 cpp_msvc_compat_args = []
 915 if cc.get_id() == 'msvc'
 916   foreach a : ['/wd4018',  # signed/unsigned mismatch
 917                '/wd4056',  # overflow in floating-point constant arithmetic
 918                '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
 919                '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
 920                '/wd4305',  # trancation from 'type1' to 'type2'
 921                '/wd4351',  # new behavior: elements of array 'array' will be default initialized
 922                '/wd4756',  # overflow in constant arithmetic
 923                '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
 924                '/wd4996',  # disabled deprecated POSIX name warnings
 925                '/wd4291']  # no matching operator delete found
 926     if cc.has_argument(a)
 927       c_args += a
 928     endif
 929     if cpp.has_argument(a)
 930       cpp_args += a
 931     endif
 932   endforeach
 933   if cc.has_argument('-Wmicrosoft-enum-value')  # Clang
 934     c_args += '-Wno-microsoft-enum-value'
 935     cpp_args += '-Wno-microsoft-enum-value'
 936   endif
 937 else
 938   _trial = [
 939     '-Werror=implicit-function-declaration',
 940     '-Werror=missing-prototypes',
 941     '-Werror=return-type',
 942     '-Werror=empty-body',
 943     '-Werror=incompatible-pointer-types',
 944     '-Wno-missing-field-initializers',
 945     '-Wno-format-truncation',
 946     '-fno-math-errno',
 947     '-fno-trapping-math',
 948     '-Qunused-arguments',
 949   ]
 950   # MinGW chokes on format specifiers and I can't get it all working
 951   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 952     _trial += ['-Werror=format', '-Wformat-security']
 953   endif
 954   foreach a : _trial
 955     if cc.has_argument(a)
 956       c_args += a
 957     endif
 958   endforeach
 959
 960   _trial = [
 961     '-Werror=return-type',
 962     '-Werror=empty-body',
 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', 'flock']
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 if host_machine.system() != 'windows'
1267   dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1268 else
1269   dep_expat = null_dep
1270 endif
1271 # this only exists on linux so either this is linux and it will be found, or
1272 # it's not linux and wont
1273 dep_m = cc.find_library('m', required : false)
1274
1275 # Check for libdrm. Various drivers have different libdrm version requirements,
1276 # but we always want to use the same version for all libdrm modules. That means
1277 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1278 # bar are both on use 2.4.3 for both of them
1279 dep_libdrm_amdgpu = null_dep
1280 dep_libdrm_radeon = null_dep
1281 dep_libdrm_nouveau = null_dep
1282 dep_libdrm_intel = null_dep
1283
1284 _drm_amdgpu_ver = '2.4.99'
1285 _drm_radeon_ver = '2.4.71'
1286 _drm_nouveau_ver = '2.4.66'
1287 _drm_intel_ver = '2.4.75'
1288 _drm_ver = '2.4.81'
1289
1290 _libdrm_checks = [
1291   ['intel', with_dri_i915 or with_gallium_i915],
1292   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1293   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1294               with_gallium_r300 or with_gallium_r600)],
1295   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1296 ]
1297
1298 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1299 # library.
1300 if with_gallium_vc4
1301   _drm_ver = '2.4.89'
1302 endif
1303
1304 # etnaviv only needs core libdrm
1305 if with_gallium_etnaviv
1306   _drm_ver = '2.4.89'
1307 endif
1308
1309 # Loop over the enables versions and get the highest libdrm requirement for all
1310 # active drivers.
1311 _drm_blame = ''
1312 foreach d : _libdrm_checks
1313   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1314   if d[1] and ver.version_compare('>' + _drm_ver)
1315     _drm_ver = ver
1316     _drm_blame = d[0]
1317   endif
1318 endforeach
1319 if _drm_blame != ''
1320   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1321 endif
1322
1323 # Then get each libdrm module
1324 foreach d : _libdrm_checks
1325   if d[1]
1326     set_variable(
1327       'dep_libdrm_' + d[0],
1328       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1329     )
1330   endif
1331 endforeach
1332
1333 with_gallium_drisw_kms = false
1334 dep_libdrm = dependency(
1335   'libdrm', version : '>=' + _drm_ver,
1336   required : with_dri2 or with_dri3
1337 )
1338 if dep_libdrm.found()
1339   pre_args += '-DHAVE_LIBDRM'
1340   if with_dri_platform == 'drm' and with_dri
1341     with_gallium_drisw_kms = true
1342   endif
1343 endif
1344
1345 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1346 llvm_optional_modules = ['coroutines']
1347 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1348   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1349   if with_gallium_r600
1350     llvm_modules += 'asmparser'
1351   endif
1352 endif
1353 if with_gallium_opencl
1354   llvm_modules += [
1355     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1356     'lto', 'option', 'objcarcopts', 'profiledata',
1357   ]
1358 endif
1359
1360 if with_amd_vk or with_gallium_radeonsi
1361   _llvm_version = '>= 8.0.0'
1362 elif with_gallium_swr
1363   _llvm_version = '>= 6.0.0'
1364 else
1365   _llvm_version = '>= 3.9.0'
1366 endif
1367
1368 _shared_llvm = get_option('shared-llvm')
1369 _llvm = get_option('llvm')
1370
1371 # The cmake method will never find libllvm.so|dylib; this is fine for windows
1372 # because llvm doesn't support libllvm.dll
1373 _llvm_method = 'config-tool'
1374 if (meson.version().version_compare('>= 0.51.0') and
1375     host_machine.system() == 'windows')
1376   _llvm_method = 'cmake'
1377 endif
1378
1379 dep_llvm = null_dep
1380 with_llvm = false
1381 if _llvm != 'false'
1382   dep_llvm = dependency(
1383     'llvm',
1384     version : _llvm_version,
1385     modules : llvm_modules,
1386     optional_modules : llvm_optional_modules,
1387     required : (
1388       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1389       with_gallium_opencl or _llvm == 'true'
1390     ),
1391     static : not _shared_llvm,
1392     method : _llvm_method,
1393     fallback : ['llvm', 'dep_llvm'],
1394   )
1395   with_llvm = dep_llvm.found()
1396 endif
1397 if with_llvm
1398   pre_args += '-DLLVM_AVAILABLE'
1399   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1400
1401   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1402   # programs, so we need to build all C++ code in mesa without rtti as well to
1403   # ensure that linking works.
1404   #
1405   # In meson 0.51.0 we can use cmake to find LLVM in addittion to meson's
1406   # builtin llvm-config based finder. A new generic variable getter method
1407   # has also been added, so we'll use that if we can, to cover the cmake case.
1408   if dep_llvm.type_name() == 'internal'
1409     _rtti = subproject('llvm').get_variable('has_rtti', true)
1410   elif meson.version().version_compare('>=0.51')
1411     # The CMake finder will return 'ON', the llvm-config will return 'YES'
1412     _rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1413   else
1414     _rtti = dep_llvm.get_configtool_variable('has-rtti') == 'YES'
1415   endif
1416   if not _rtti
1417     if with_gallium_nouveau
1418       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1419     elif with_gallium_opencl
1420       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1421     endif
1422     if cc.get_id() == 'msvc'
1423       cpp_args += '/GR-'
1424     else
1425       cpp_args += '-fno-rtti'
1426     endif
1427   endif
1428 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1429   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1430 elif with_gallium_opencl
1431   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1432 endif
1433
1434 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1435     (with_gallium_r600 and with_llvm))
1436   dep_elf = dependency('libelf', required : false)
1437   if not dep_elf.found()
1438     dep_elf = cc.find_library('elf')
1439   endif
1440 else
1441   dep_elf = null_dep
1442 endif
1443
1444 dep_glvnd = null_dep
1445 glvnd_has_headers_and_pc_files = false
1446 if with_glvnd
1447   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1448   # GLVND before 1.2 was missing its pkg-config and header files, forcing every
1449   # vendor to provide them and the distro maintainers to resolve the conflict.
1450   glvnd_has_headers_and_pc_files = dep_glvnd.version().version_compare('>= 1.2.0')
1451   pre_args += '-DUSE_LIBGLVND=1'
1452 endif
1453
1454 if with_valgrind != 'false'
1455   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1456   if dep_valgrind.found()
1457     pre_args += '-DHAVE_VALGRIND'
1458   endif
1459 else
1460   dep_valgrind = null_dep
1461 endif
1462
1463 # pthread stubs. Lets not and say we didn't
1464
1465 if host_machine.system() == 'windows'
1466   # Prefer the winflexbison versions, they're much easier to install and have
1467   # better windows support.
1468
1469   prog_flex = find_program('win_flex', required : false)
1470   if prog_flex.found()
1471     # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1472     # _fileno functions)
1473     prog_flex = [prog_flex, '--wincompat']
1474   else
1475     prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1476   endif
1477   # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1478   # __STDC__ macro to determine whether it's safe to use const keyword, but
1479   # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1480   prog_flex += '-DYY_USE_CONST='
1481
1482   prog_bison = find_program('win_bison', required : false)
1483   if not prog_bison.found()
1484     prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1485   endif
1486 else
1487   prog_bison = find_program('bison', required : with_any_opengl)
1488   prog_flex = find_program('flex', required : with_any_opengl)
1489 endif
1490
1491 dep_selinux = null_dep
1492 if get_option('selinux')
1493   dep_selinux = dependency('libselinux')
1494   pre_args += '-DMESA_SELINUX'
1495 endif
1496
1497 if with_libunwind != 'false'
1498   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1499   if dep_unwind.found()
1500     pre_args += '-DHAVE_LIBUNWIND'
1501   endif
1502 else
1503   dep_unwind = null_dep
1504 endif
1505
1506 if with_osmesa != 'none'
1507   if with_osmesa == 'gallium' and not with_gallium_softpipe
1508     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1509   endif
1510   if host_machine.system() == 'windows'
1511     osmesa_lib_name = 'osmesa'
1512   else
1513     osmesa_lib_name = 'OSMesa'
1514   endif
1515   osmesa_bits = get_option('osmesa-bits')
1516   if osmesa_bits != '8'
1517     if with_dri or with_glx != 'disabled'
1518       error('OSMesa bits must be 8 if building glx or dir based drivers')
1519     endif
1520     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1521     pre_args += [
1522       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1523     ]
1524   endif
1525 endif
1526
1527 # TODO: symbol mangling
1528
1529 if with_platform_wayland
1530   dep_wl_scanner = dependency('wayland-scanner', native: true)
1531   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1532   if dep_wl_scanner.version().version_compare('>= 1.15')
1533     wl_scanner_arg = 'private-code'
1534   else
1535     wl_scanner_arg = 'code'
1536   endif
1537   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1538   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1539   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1540   if with_egl
1541     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1542     dep_wayland_egl_headers = declare_dependency(
1543       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1544   endif
1545   wayland_dmabuf_xml = join_paths(
1546     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1547     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1548   )
1549   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1550 endif
1551
1552 dep_x11 = null_dep
1553 dep_xext = null_dep
1554 dep_xdamage = null_dep
1555 dep_xfixes = null_dep
1556 dep_x11_xcb = null_dep
1557 dep_xcb = null_dep
1558 dep_xcb_glx = null_dep
1559 dep_xcb_dri2 = null_dep
1560 dep_xcb_dri3 = null_dep
1561 dep_dri2proto = null_dep
1562 dep_glproto = null_dep
1563 dep_xxf86vm = null_dep
1564 dep_xcb_dri3 = null_dep
1565 dep_xcb_present = null_dep
1566 dep_xcb_sync = null_dep
1567 dep_xcb_xfixes = null_dep
1568 dep_xshmfence = null_dep
1569 dep_xcb_xrandr = null_dep
1570 dep_xlib_xrandr = null_dep
1571 if with_platform_x11
1572   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1573     dep_x11 = dependency('x11')
1574     dep_xext = dependency('xext')
1575     dep_xcb = dependency('xcb')
1576   elif with_glx == 'dri'
1577     dep_x11 = dependency('x11')
1578     dep_xext = dependency('xext')
1579     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1580     dep_xfixes = dependency('xfixes')
1581     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1582   endif
1583   if (with_any_vk or with_glx == 'dri' or with_egl or
1584        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1585         with_gallium_omx != 'disabled'))
1586     dep_xcb = dependency('xcb')
1587     dep_x11_xcb = dependency('x11-xcb')
1588     if with_dri_platform == 'drm' and not dep_libdrm.found()
1589       error('libdrm required for gallium video statetrackers when using x11')
1590     endif
1591   endif
1592   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1593     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1594
1595     if with_dri3
1596       pre_args += '-DHAVE_DRI3'
1597       dep_xcb_dri3 = dependency('xcb-dri3')
1598       dep_xcb_present = dependency('xcb-present')
1599       # until xcb-dri3 has been around long enough to make a hard-dependency:
1600       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1601           dep_xcb_present.version().version_compare('>= 1.13'))
1602         pre_args += '-DHAVE_DRI3_MODIFIERS'
1603       endif
1604       dep_xcb_sync = dependency('xcb-sync')
1605       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1606     endif
1607   endif
1608   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1609     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1610   endif
1611   if with_glx == 'dri'
1612     if with_dri_platform == 'drm'
1613       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1614       dep_xxf86vm = dependency('xxf86vm')
1615     endif
1616   endif
1617   if (with_egl or (
1618       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1619       with_gallium_omx != 'disabled'))
1620     dep_xcb_xfixes = dependency('xcb-xfixes')
1621   endif
1622   if with_xlib_lease
1623     dep_xcb_xrandr = dependency('xcb-randr')
1624     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1625   endif
1626 endif
1627
1628 if get_option('gallium-extra-hud')
1629   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1630 endif
1631
1632 _sensors = get_option('lmsensors')
1633 if _sensors != 'false'
1634   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1635   if dep_lmsensors.found()
1636     pre_args += '-DHAVE_LIBSENSORS=1'
1637   endif
1638 else
1639   dep_lmsensors = null_dep
1640 endif
1641
1642 foreach a : pre_args
1643   add_project_arguments(a, language : ['c', 'cpp'])
1644 endforeach
1645 foreach a : c_args
1646   add_project_arguments(a, language : ['c'])
1647 endforeach
1648 foreach a : cpp_args
1649   add_project_arguments(a, language : ['cpp'])
1650 endforeach
1651
1652 gl_priv_reqs = []
1653
1654 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1655   gl_priv_reqs += ['x11', 'xext', 'xcb']
1656 elif with_glx == 'dri'
1657   gl_priv_reqs += [
1658     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1659     'xcb-glx >= 1.8.1']
1660   if with_dri_platform == 'drm'
1661     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1662     gl_priv_reqs += 'xxf86vm'
1663   endif
1664 endif
1665 if dep_libdrm.found()
1666   gl_priv_reqs += 'libdrm >= 2.4.75'
1667 endif
1668
1669 gl_priv_libs = []
1670 if dep_thread.found()
1671   gl_priv_libs += ['-lpthread', '-pthread']
1672 endif
1673 if dep_m.found()
1674   gl_priv_libs += '-lm'
1675 endif
1676 if dep_dl.found()
1677   gl_priv_libs += '-ldl'
1678 endif
1679
1680 pkg = import('pkgconfig')
1681
1682 prog_nm = find_program('nm', required : false)
1683
1684 # This quirk needs to be applied to sources with functions defined in assembly
1685 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1686 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1687
1688 subdir('include')
1689 subdir('bin')
1690 subdir('src')
1691
1692 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1693 # formatting below unless the first argument is passed as a variable. This has
1694 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1695 # for backwards compatibility.
1696 _with_opengl_string = with_opengl ? 'yes' : 'no'
1697
1698 lines = ['',
1699   'prefix:          ' + get_option('prefix'),
1700   'libdir:          ' + get_option('libdir'),
1701   'includedir:      ' + get_option('includedir'),
1702   '',
1703   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1704                                                     with_gles1 ? 'yes' : 'no',
1705                                                     with_gles2 ? 'yes' : 'no'),
1706 ]
1707
1708 if with_osmesa != 'none'
1709   lines += ''
1710   suffix = ''
1711   if with_osmesa == 'gallium'
1712     suffix = '(Gallium)'
1713   endif
1714   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1715 else
1716   lines += 'OSMesa:          no'
1717 endif
1718
1719 if with_dri
1720   lines += ''
1721   lines += 'DRI platform:    ' + with_dri_platform
1722   if dri_drivers.length() != 0 and dri_drivers != ['']
1723     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1724   else
1725     lines += 'DRI drivers:     no'
1726   endif
1727   lines += 'DRI driver dir:  ' + dri_drivers_path
1728 endif
1729
1730 if with_glx != 'disabled'
1731   lines += ''
1732   if with_glx == 'dri'
1733     lines += 'GLX:             DRI-based'
1734   elif with_glx == 'xlib'
1735     lines += 'GLX:             Xlib-based'
1736   elif with_glx == 'gallium-xlib'
1737     lines += 'GLX:             Xlib-based (Gallium)'
1738   else
1739     lines += 'GLX:             ' + with_glx
1740   endif
1741 endif
1742
1743 lines += ''
1744 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1745 if with_egl
1746   egl_drivers = []
1747   if with_dri
1748     egl_drivers += 'builtin:egl_dri2'
1749   endif
1750   if with_dri3
1751     egl_drivers += 'builtin:egl_dri3'
1752   endif
1753   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1754 endif
1755 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1756 if with_platforms
1757   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1758 endif
1759
1760 lines += ''
1761 if with_any_vk
1762   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1763   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1764 else
1765   lines += 'Vulkan drivers:  no'
1766 endif
1767
1768 lines += ''
1769 if with_llvm
1770   lines += 'llvm:            yes'
1771   lines += 'llvm-version:    ' + dep_llvm.version()
1772 else
1773   lines += 'llvm:            no'
1774 endif
1775
1776 lines += ''
1777 if with_gallium
1778   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1779   gallium_st = ['mesa']
1780   if with_gallium_xa
1781     gallium_st += 'xa'
1782   endif
1783   if with_gallium_xvmc
1784     gallium_st += 'xvmc'
1785   endif
1786   if with_gallium_xvmc
1787     gallium_st += 'xvmc'
1788   endif
1789   if with_gallium_vdpau
1790     gallium_st += 'vdpau'
1791   endif
1792   if with_gallium_omx != 'disabled'
1793     gallium_st += 'omx' + with_gallium_omx
1794   endif
1795   if with_gallium_va
1796     gallium_st += 'va'
1797   endif
1798   if with_gallium_st_nine
1799     gallium_st += 'nine'
1800   endif
1801   if with_gallium_opencl
1802     gallium_st += 'clover'
1803   endif
1804   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1805 else
1806   lines += 'Gallium:         no'
1807 endif
1808
1809 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1810
1811 lines += ''
1812 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1813
1814
1815 indent = '        '
1816 summary = indent + ('\n' + indent).join(lines)
1817 message('Configuration summary:\n@0@\n'.format(summary))