meson.build

   1 # Copyright © 2017-2020 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', 'python3'), 'bin/meson_get_version.py']
  26   ).stdout(),
  27   license : 'MIT',
  28   meson_version : '>= 0.52',
  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 if get_option('layout') != 'mirror'
  38   error('`mirror` is the only build directory layout supported')
  39 endif
  40
  41 # Arguments for the preprocessor, put these in a separate array from the C and
  42 # C++ (cpp in meson terminology) arguments since they need to be added to the
  43 # default arguments for both C and C++.
  44 pre_args = [
  45   '-D__STDC_CONSTANT_MACROS',
  46   '-D__STDC_FORMAT_MACROS',
  47   '-D__STDC_LIMIT_MACROS',
  48   '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
  49   '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/-/issues"',
  50 ]
  51
  52 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  53 with_tests = get_option('build-tests')
  54 with_valgrind = get_option('valgrind')
  55 with_libunwind = get_option('libunwind')
  56 with_glx_read_only_text = get_option('glx-read-only-text')
  57 with_glx_direct = get_option('glx-direct')
  58 with_osmesa = get_option('osmesa')
  59 with_swr_arches = get_option('swr-arches')
  60 with_vulkan_overlay_layer = get_option('vulkan-overlay-layer')
  61 with_tools = get_option('tools')
  62 if with_tools.contains('all')
  63   with_tools = [
  64     'drm-shim',
  65     'etnaviv',
  66     'freedreno',
  67     'glsl',
  68     'intel',
  69     'intel-ui',
  70     'lima',
  71     'nir',
  72     'nouveau',
  73     'xvmc',
  74   ]
  75 endif
  76
  77 with_intel_tools = with_tools.contains('intel') or with_tools.contains('intel-ui')
  78 with_imgui = with_intel_tools or with_vulkan_overlay_layer
  79
  80 dri_drivers_path = get_option('dri-drivers-path')
  81 if dri_drivers_path == ''
  82   dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
  83 endif
  84 dri_search_path = get_option('dri-search-path')
  85 if dri_search_path == ''
  86   dri_search_path = dri_drivers_path
  87 endif
  88
  89 with_gles1 = get_option('gles1')
  90 with_gles2 = get_option('gles2')
  91 if host_machine.system() == 'windows'
  92   if with_gles1 == 'auto'
  93     with_gles1 = 'false'
  94   endif
  95   if with_gles2 == 'auto'
  96     with_gles2 = 'false'
  97   endif
  98 endif
  99 with_opengl = get_option('opengl')
 100
 101 # Default shared glapi off for windows, on elsewhere.
 102 _sg = get_option('shared-glapi')
 103 if _sg == 'auto'
 104   with_shared_glapi = host_machine.system() != 'windows'
 105 else
 106   with_shared_glapi = _sg == 'true'
 107 endif
 108
 109 # shared-glapi is required if at least two OpenGL APIs are being built
 110 if not with_shared_glapi
 111   if ((with_gles1 == 'true' and with_gles2 == 'true') or
 112       (with_gles1 == 'true' and with_opengl) or
 113       (with_gles2 == 'true' and with_opengl))
 114     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
 115   endif
 116   with_gles1 = 'false'
 117   with_gles2 = 'false'
 118 endif
 119
 120 # We require OpenGL for OpenGL ES
 121 if not with_opengl
 122   if (with_gles1 == 'true' or with_gles2 == 'true') and not with_opengl
 123     error('building OpenGL ES without OpenGL is not supported.')
 124   endif
 125   with_gles1 = 'false'
 126   with_gles2 = 'false'
 127 endif
 128
 129 with_gles1 = with_gles1 != 'false'
 130 with_gles2 = with_gles2 != 'false'
 131 with_any_opengl = with_opengl or with_gles1 or with_gles2
 132 # Only build shared_glapi if at least one OpenGL API is enabled
 133 with_shared_glapi = with_shared_glapi and with_any_opengl
 134
 135 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux', 'sunos'].contains(host_machine.system())
 136
 137 dri_drivers = get_option('dri-drivers')
 138 if dri_drivers.contains('auto')
 139   if system_has_kms_drm
 140     # TODO: PPC, Sparc
 141     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 142       dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 143     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 144       dri_drivers = []
 145     else
 146       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 147             host_machine.cpu_family()))
 148     endif
 149   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 150     # only swrast would make sense here, but gallium swrast is a much better default
 151     dri_drivers = []
 152   else
 153     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 154           host_machine.system()))
 155   endif
 156 endif
 157
 158 with_dri_i915 = dri_drivers.contains('i915')
 159 with_dri_i965 = dri_drivers.contains('i965')
 160 with_dri_r100 = dri_drivers.contains('r100')
 161 with_dri_r200 = dri_drivers.contains('r200')
 162 with_dri_nouveau = dri_drivers.contains('nouveau')
 163 with_dri_swrast = dri_drivers.contains('swrast')
 164
 165 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
 166
 167 gallium_drivers = get_option('gallium-drivers')
 168 if gallium_drivers.contains('auto')
 169   if system_has_kms_drm
 170     # TODO: PPC, Sparc
 171     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 172       gallium_drivers = [
 173         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast',
 174         'iris'
 175       ]
 176     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 177       gallium_drivers = [
 178         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 179         'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
 180       ]
 181     else
 182       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 183             host_machine.cpu_family()))
 184     endif
 185   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 186     gallium_drivers = ['swrast']
 187   else
 188     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 189           host_machine.system()))
 190   endif
 191 endif
 192 with_gallium_kmsro = gallium_drivers.contains('kmsro')
 193 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
 194 with_gallium_r300 = gallium_drivers.contains('r300')
 195 with_gallium_r600 = gallium_drivers.contains('r600')
 196 with_gallium_nouveau = gallium_drivers.contains('nouveau')
 197 with_gallium_freedreno = gallium_drivers.contains('freedreno')
 198 with_gallium_softpipe = gallium_drivers.contains('swrast')
 199 with_gallium_vc4 = gallium_drivers.contains('vc4')
 200 with_gallium_v3d = gallium_drivers.contains('v3d')
 201 with_gallium_panfrost = gallium_drivers.contains('panfrost')
 202 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
 203 with_gallium_tegra = gallium_drivers.contains('tegra')
 204 with_gallium_iris = gallium_drivers.contains('iris')
 205 with_gallium_i915 = gallium_drivers.contains('i915')
 206 with_gallium_svga = gallium_drivers.contains('svga')
 207 with_gallium_virgl = gallium_drivers.contains('virgl')
 208 with_gallium_swr = gallium_drivers.contains('swr')
 209 with_gallium_lima = gallium_drivers.contains('lima')
 210 with_gallium_zink = gallium_drivers.contains('zink')
 211
 212 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 213
 214 if with_gallium and system_has_kms_drm
 215   _glx = get_option('glx')
 216   _egl = get_option('egl')
 217   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 218     with_dri = true
 219   endif
 220 endif
 221
 222 _vulkan_drivers = get_option('vulkan-drivers')
 223 if _vulkan_drivers.contains('auto')
 224   if system_has_kms_drm
 225     if host_machine.cpu_family().startswith('x86')
 226       _vulkan_drivers = ['amd', 'intel']
 227     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 228       _vulkan_drivers = []
 229     else
 230       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 231             host_machine.cpu_family()))
 232     endif
 233   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 234     # No vulkan driver supports windows or macOS currently
 235     _vulkan_drivers = []
 236   else
 237     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 238           host_machine.system()))
 239   endif
 240 endif
 241
 242 with_intel_vk = _vulkan_drivers.contains('intel')
 243 with_amd_vk = _vulkan_drivers.contains('amd')
 244 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 245 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 246
 247 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 248   error('Only one swrast provider can be built')
 249 endif
 250 if with_dri_i915 and with_gallium_i915
 251   error('Only one i915 provider can be built')
 252 endif
 253 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)
 254   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
 255 endif
 256 if with_gallium_tegra and not with_gallium_nouveau
 257   error('tegra driver requires nouveau driver')
 258 endif
 259
 260 if host_machine.system() == 'darwin'
 261   with_dri_platform = 'apple'
 262   pre_args += '-DBUILDING_MESA'
 263 elif ['windows', 'cygwin'].contains(host_machine.system())
 264   with_dri_platform = 'windows'
 265 elif system_has_kms_drm
 266   with_dri_platform = 'drm'
 267 else
 268   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 269   # assert here that one of those cases has been met.
 270   # FIXME: illumos ends up here as well
 271   with_dri_platform = 'none'
 272 endif
 273
 274 _platforms = get_option('platforms')
 275 if _platforms.contains('auto')
 276   if system_has_kms_drm
 277     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 278   elif ['darwin', 'cygwin'].contains(host_machine.system())
 279     _platforms = ['x11', 'surfaceless']
 280   elif ['haiku'].contains(host_machine.system())
 281     _platforms = ['haiku']
 282   elif host_machine.system() == 'windows'
 283     _platforms = ['windows']
 284   else
 285     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 286           host_machine.system()))
 287   endif
 288 endif
 289
 290 with_platform_android = _platforms.contains('android')
 291 with_platform_x11 = _platforms.contains('x11')
 292 with_platform_wayland = _platforms.contains('wayland')
 293 with_platform_drm = _platforms.contains('drm')
 294 with_platform_haiku = _platforms.contains('haiku')
 295 with_platform_surfaceless = _platforms.contains('surfaceless')
 296 with_platform_windows = _platforms.contains('windows')
 297
 298 with_platforms = false
 299 if _platforms.length() != 0 and _platforms != ['']
 300   # sanity check that list contains no empty strings
 301   if _platforms.contains('')
 302     error('Invalid argument list given to -Dplatforms, please fix.')
 303   endif
 304   with_platforms = true
 305   egl_native_platform = _platforms[0]
 306 endif
 307
 308 _xlib_lease = get_option('xlib-lease')
 309 if _xlib_lease == 'auto'
 310   with_xlib_lease = with_platform_x11 and with_platform_drm
 311 else
 312   with_xlib_lease = _xlib_lease == 'true'
 313 endif
 314
 315 with_glx = get_option('glx')
 316 if with_glx == 'auto'
 317   if with_dri
 318     with_glx = 'dri'
 319   elif with_platform_haiku
 320     with_glx = 'disabled'
 321   elif host_machine.system() == 'windows'
 322     with_glx = 'disabled'
 323   elif with_gallium
 324     # Even when building just gallium drivers the user probably wants dri
 325     with_glx = 'dri'
 326   elif with_platform_x11 and with_any_opengl and not with_any_vk
 327     # The automatic behavior should not be to turn on xlib based glx when
 328     # building only vulkan drivers
 329     with_glx = 'xlib'
 330   else
 331     with_glx = 'disabled'
 332   endif
 333 endif
 334 if with_glx == 'dri'
 335    if with_gallium
 336       with_dri = true
 337    endif
 338 endif
 339
 340 if not (with_dri or with_gallium or with_glx != 'disabled')
 341   with_gles1 = false
 342   with_gles2 = false
 343   with_opengl = false
 344   with_any_opengl = false
 345   with_shared_glapi = false
 346 endif
 347
 348 _gbm = get_option('gbm')
 349 if _gbm == 'auto'
 350   with_gbm = system_has_kms_drm and with_dri
 351 else
 352   with_gbm = _gbm == 'true'
 353 endif
 354 if with_gbm and not system_has_kms_drm
 355   error('GBM only supports DRM/KMS platforms')
 356 endif
 357
 358 _egl = get_option('egl')
 359 if _egl == 'auto'
 360   with_egl = (
 361     not ['darwin', 'windows'].contains(host_machine.system()) and
 362     with_dri and with_shared_glapi and with_platforms
 363   )
 364 elif _egl == 'true'
 365   if not with_dri
 366     error('EGL requires dri')
 367   elif not with_shared_glapi
 368     error('EGL requires shared-glapi')
 369   elif not with_platforms
 370     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 371   elif not ['disabled', 'dri'].contains(with_glx)
 372     error('EGL requires dri, but a GLX is being built without dri')
 373   elif ['darwin', 'windows'].contains(host_machine.system())
 374     error('EGL is not available on Windows or MacOS')
 375   endif
 376   with_egl = true
 377 else
 378   with_egl = false
 379 endif
 380
 381 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
 382   if with_gallium_radeonsi
 383     error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
 384   endif
 385   if with_gallium_virgl
 386     error('Virgl requires the drm, surfaceless or android platform when using EGL')
 387   endif
 388 endif
 389
 390 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
 391 if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
 392   pre_args += '-DUSE_ELF_TLS'
 393 endif
 394
 395 if with_glx != 'disabled'
 396   if not (with_platform_x11 and with_any_opengl)
 397     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 398   elif with_glx == 'gallium-xlib'
 399     if not with_gallium
 400       error('Gallium-xlib based GLX requires at least one gallium driver')
 401     elif not with_gallium_softpipe
 402       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 403     elif with_dri
 404       error('gallium-xlib conflicts with any dri driver')
 405     endif
 406   elif with_glx == 'xlib'
 407     if with_dri
 408       error('xlib conflicts with any dri driver')
 409     endif
 410   elif with_glx == 'dri'
 411     if not with_shared_glapi
 412       error('dri based GLX requires shared-glapi')
 413     endif
 414   endif
 415 endif
 416
 417 with_glvnd = get_option('glvnd')
 418 if with_glvnd
 419   if with_platform_windows
 420     error('glvnd cannot be used on Windows')
 421   elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
 422     error('Cannot build glvnd support for GLX that is not DRI based.')
 423   elif with_glx == 'disabled' and not with_egl
 424     error('glvnd requires DRI based GLX and/or EGL')
 425   endif
 426   if get_option('egl-lib-suffix') != ''
 427     error('''EGL lib suffix can't be used with libglvnd''')
 428   endif
 429 endif
 430
 431 if with_vulkan_icd_dir == ''
 432   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 433 endif
 434
 435 # GNU/Hurd includes egl_dri2, without drm.
 436 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
 437   host_machine.system() == 'gnu')
 438 _dri3 = get_option('dri3')
 439 if _dri3 == 'auto'
 440   with_dri3 = system_has_kms_drm and with_dri2
 441 else
 442   with_dri3 = _dri3 == 'true'
 443 endif
 444
 445 if with_any_vk and (with_platform_x11 and not with_dri3)
 446   error('Vulkan drivers require dri3 for X11 support')
 447 endif
 448 if with_dri
 449   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 450     error('building dri drivers require at least one windowing system or classic osmesa')
 451   endif
 452 endif
 453
 454 _vdpau = get_option('gallium-vdpau')
 455 if not system_has_kms_drm
 456   if _vdpau == 'true'
 457     error('VDPAU state tracker can only be build on unix-like OSes.')
 458   else
 459     _vdpau = 'false'
 460   endif
 461 elif not with_platform_x11
 462   if _vdpau == 'true'
 463     error('VDPAU state tracker requires X11 support.')
 464   else
 465     _vdpau = 'false'
 466   endif
 467 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 468           with_gallium_nouveau)
 469   if _vdpau == 'true'
 470     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 471   else
 472     _vdpau = 'false'
 473   endif
 474 endif
 475 dep_vdpau = null_dep
 476 with_gallium_vdpau = false
 477 if _vdpau != 'false'
 478   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 479   if dep_vdpau.found()
 480     dep_vdpau = dep_vdpau.partial_dependency(compile_args : true)
 481     with_gallium_vdpau = true
 482   endif
 483 endif
 484
 485 if with_gallium_vdpau
 486   pre_args += '-DHAVE_ST_VDPAU'
 487 endif
 488 vdpau_drivers_path = get_option('vdpau-libs-path')
 489 if vdpau_drivers_path == ''
 490   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 491 endif
 492
 493 if with_gallium_zink
 494   dep_vulkan = dependency('vulkan')
 495 endif
 496
 497 _xvmc = get_option('gallium-xvmc')
 498 if not system_has_kms_drm
 499   if _xvmc == 'true'
 500     error('XVMC state tracker can only be build on unix-like OSes.')
 501   else
 502     _xvmc = 'false'
 503   endif
 504 elif not with_platform_x11
 505   if _xvmc == 'true'
 506     error('XVMC state tracker requires X11 support.')
 507   else
 508     _xvmc = 'false'
 509   endif
 510 elif not (with_gallium_r600 or with_gallium_nouveau)
 511   if _xvmc == 'true'
 512     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 513   else
 514     _xvmc = 'false'
 515   endif
 516 endif
 517 dep_xvmc = null_dep
 518 dep_xv = null_dep
 519 with_gallium_xvmc = false
 520 if _xvmc != 'false'
 521   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 522   dep_xv = dependency('xv', required : _xvmc == 'true')
 523   with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
 524 endif
 525
 526 xvmc_drivers_path = get_option('xvmc-libs-path')
 527 if xvmc_drivers_path == ''
 528   xvmc_drivers_path = get_option('libdir')
 529 endif
 530
 531 _omx = get_option('gallium-omx')
 532 if not system_has_kms_drm
 533   if ['auto', 'disabled'].contains(_omx)
 534     _omx = 'disabled'
 535   else
 536     error('OMX state tracker can only be built on unix-like OSes.')
 537   endif
 538 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 539   if ['auto', 'disabled'].contains(_omx)
 540     _omx = 'disabled'
 541   else
 542     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 543   endif
 544 endif
 545 with_gallium_omx = _omx
 546 dep_omx = null_dep
 547 dep_omx_other = []
 548 if ['auto', 'bellagio'].contains(_omx)
 549   dep_omx = dependency(
 550     'libomxil-bellagio', required : _omx == 'bellagio'
 551   )
 552   if dep_omx.found()
 553     with_gallium_omx = 'bellagio'
 554   endif
 555 endif
 556 if ['auto', 'tizonia'].contains(_omx)
 557   if with_dri and with_egl
 558     dep_omx = dependency(
 559       'libtizonia', version : '>= 0.10.0',
 560       required : _omx == 'tizonia',
 561     )
 562     dep_omx_other = [
 563       dependency('libtizplatform', required : _omx == 'tizonia'),
 564       dependency('tizilheaders', required : _omx == 'tizonia'),
 565     ]
 566     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 567       with_gallium_omx = 'tizonia'
 568     endif
 569   elif _omx == 'tizonia'
 570     error('OMX-Tizonia state tracker requires dri and egl')
 571   endif
 572 endif
 573 if _omx == 'auto'
 574   with_gallium_omx = 'disabled'
 575 else
 576   with_gallium_omx = _omx
 577 endif
 578
 579 pre_args += [
 580   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 581   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 582 ]
 583
 584
 585 omx_drivers_path = get_option('omx-libs-path')
 586
 587 if with_gallium_omx != 'disabled'
 588   # Figure out where to put the omx driver.
 589   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 590   # argument to meson's get_pkgconfig_variable method.
 591   if omx_drivers_path == ''
 592     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 593     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 594     if _omx_libdir == get_option('libdir')
 595       omx_drivers_path = _omx_drivers_dir
 596     else
 597       _omx_base_dir = []
 598       # This will fail on windows. Does OMX run on windows?
 599       _omx_libdir = _omx_libdir.split('/')
 600       _omx_drivers_dir = _omx_drivers_dir.split('/')
 601       foreach o : _omx_drivers_dir
 602         if not _omx_libdir.contains(o)
 603           _omx_base_dir += o
 604         endif
 605       endforeach
 606       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 607     endif
 608   endif
 609 endif
 610
 611 _va = get_option('gallium-va')
 612 if not system_has_kms_drm
 613   if _va == 'true'
 614     error('VA state tracker can only be built on unix-like OSes.')
 615   else
 616     _va = 'false'
 617   endif
 618 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 619   if _va == 'true'
 620     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 621   else
 622     _va = 'false'
 623   endif
 624 endif
 625 with_gallium_va = false
 626 dep_va = null_dep
 627 if _va != 'false'
 628   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 629   if dep_va.found()
 630     dep_va_headers = dep_va.partial_dependency(compile_args : true)
 631     with_gallium_va = true
 632   endif
 633 endif
 634
 635 va_drivers_path = get_option('va-libs-path')
 636 if va_drivers_path == ''
 637   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 638 endif
 639
 640 _xa = get_option('gallium-xa')
 641 if not system_has_kms_drm
 642   if _xa == 'true'
 643     error('XA state tracker can only be built on unix-like OSes.')
 644   else
 645     _xa = 'false'
 646   endif
 647 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 648           or with_gallium_svga)
 649   if _xa == 'true'
 650     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 651   else
 652     _xa = 'false'
 653   endif
 654 endif
 655 with_gallium_xa = _xa != 'false'
 656
 657 d3d_drivers_path = get_option('d3d-drivers-path')
 658 if d3d_drivers_path == ''
 659   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 660 endif
 661
 662 with_gallium_st_nine =  get_option('gallium-nine')
 663 if with_gallium_st_nine
 664   if not with_gallium_softpipe
 665     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 666   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 667             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 668             or with_gallium_iris)
 669     error('The nine state tracker requires at least one non-swrast gallium driver.')
 670   endif
 671   if not with_dri3
 672     error('Using nine with wine requires dri3')
 673   endif
 674 endif
 675
 676 if get_option('power8') != 'false'
 677   # on old versions of meson the cpu family would return as ppc64le on little
 678   # endian power8, this was changed in 0.48 such that the family would always
 679   # be ppc64 regardless of endianness, and then the machine.endian() value
 680   # should be checked. Since we support versions < 0.48 we need to use
 681   # startswith.
 682   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 683     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 684       error('Altivec is not supported with gcc version < 4.8.')
 685     endif
 686     if cc.compiles('''
 687         #include <altivec.h>
 688         int main() {
 689           vector unsigned char r;
 690           vector unsigned int v = vec_splat_u32 (1);
 691           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 692           return 0;
 693         }''',
 694         args : '-mpower8-vector',
 695         name : 'POWER8 intrinsics')
 696       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 697     elif get_option('power8') == 'true'
 698       error('POWER8 intrinsic support required but not found.')
 699     endif
 700   endif
 701 endif
 702
 703 _opencl = get_option('gallium-opencl')
 704 clover_cpp_std = []
 705 if _opencl != 'disabled'
 706   if not with_gallium
 707     error('OpenCL Clover implementation requires at least one gallium driver.')
 708   endif
 709
 710   dep_clc = dependency('libclc')
 711   with_gallium_opencl = true
 712   with_opencl_icd = _opencl == 'icd'
 713
 714   with_opencl_spirv = get_option('opencl-spirv')
 715   if with_opencl_spirv
 716     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 717     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 718     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 719   else
 720     dep_spirv_tools = null_dep
 721     dep_llvmspirvlib = null_dep
 722   endif
 723
 724   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 725       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 726       #error "AltiVec not enabled"
 727       #endif''',
 728       name : 'Altivec')
 729     clover_cpp_std += ['cpp_std=gnu++11']
 730   endif
 731 else
 732   dep_clc = null_dep
 733   dep_spirv_tools = null_dep
 734   dep_llvmspirvlib = null_dep
 735   with_gallium_opencl = false
 736   with_opencl_icd = false
 737   with_opencl_spirv = false
 738 endif
 739
 740 gl_pkgconfig_c_flags = []
 741 if with_platform_x11
 742   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 743     pre_args += '-DHAVE_X11_PLATFORM'
 744   endif
 745   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 746     pre_args += '-DUSE_XSHM'
 747   else
 748     pre_args += '-DGLX_INDIRECT_RENDERING'
 749     if with_glx_direct
 750       pre_args += '-DGLX_DIRECT_RENDERING'
 751     endif
 752     if with_dri_platform == 'drm'
 753       pre_args += '-DGLX_USE_DRM'
 754     elif with_dri_platform == 'apple'
 755       pre_args += '-DGLX_USE_APPLEGL'
 756     elif with_dri_platform == 'windows'
 757       pre_args += '-DGLX_USE_WINDOWSGL'
 758     endif
 759   endif
 760 else
 761   pre_args += '-DEGL_NO_X11'
 762   gl_pkgconfig_c_flags += '-DEGL_NO_X11'
 763 endif
 764 if with_platform_drm
 765   if with_egl and not with_gbm
 766     error('EGL drm platform requires gbm')
 767   endif
 768   pre_args += '-DHAVE_DRM_PLATFORM'
 769 endif
 770 if with_platform_surfaceless
 771   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 772 endif
 773 if with_platform_android
 774   dep_android = [
 775     dependency('cutils'),
 776     dependency('hardware'),
 777     dependency('sync'),
 778   ]
 779   if with_gallium
 780     dep_android += dependency('backtrace')
 781   endif
 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 prog_python = import('python').find_installation('python3')
 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 _attributes = [
 843   'const', 'flatten', 'malloc', 'pure', 'unused', 'warn_unused_result',
 844   'weak', 'format', 'packed', 'returns_nonnull', 'alias', 'noreturn',
 845 ]
 846 foreach a : cc.get_supported_function_attributes(_attributes)
 847   pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 848 endforeach
 849 if cc.has_function_attribute('visibility:hidden')
 850   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 851 endif
 852 if cc.compiles('__uint128_t foo(void) { return 0; }',
 853                name : '__uint128_t')
 854   pre_args += '-DHAVE_UINT128'
 855 endif
 856
 857 # TODO: this is very incomplete
 858 if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd'].contains(host_machine.system())
 859   pre_args += '-D_GNU_SOURCE'
 860 elif host_machine.system() == 'sunos'
 861   pre_args += '-D__EXTENSIONS__'
 862 elif host_machine.system() == 'windows'
 863   pre_args += [
 864     '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-DWINVER=0x0601',
 865     '-DPIPE_SUBSYSTEM_WINDOWS_USER',
 866     '-D_USE_MATH_DEFINES',  # XXX: scons doesn't use this for mingw
 867   ]
 868   if cc.get_id() == 'msvc'
 869     pre_args += [
 870       '-DVC_EXTRALEAN',
 871       '-D_CRT_SECURE_NO_WARNINGS',
 872       '-D_CRT_SECURE_NO_DEPRECATE',
 873       '-D_SCL_SECURE_NO_WARNINGS',
 874       '-D_SCL_SECURE_NO_DEPRECATE',
 875       '-D_ALLOW_KEYWORD_MACROS',
 876       '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
 877     ]
 878   else
 879     pre_args += ['-D__MSVCRT_VERSION__=0x0700']
 880   endif
 881 endif
 882
 883 # Check for generic C arguments
 884 c_args = []
 885 c_vis_args = []
 886 c_msvc_compat_args = []
 887 no_override_init_args = []
 888 cpp_args = []
 889 cpp_vis_args = []
 890 cpp_msvc_compat_args = []
 891 if cc.get_id() == 'msvc'
 892   foreach a : ['/wd4018',  # signed/unsigned mismatch
 893                '/wd4056',  # overflow in floating-point constant arithmetic
 894                '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
 895                '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
 896                '/wd4305',  # trancation from 'type1' to 'type2'
 897                '/wd4351',  # new behavior: elements of array 'array' will be default initialized
 898                '/wd4756',  # overflow in constant arithmetic
 899                '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
 900                '/wd4996',  # disabled deprecated POSIX name warnings
 901                '/wd4291',  # no matching operator delete found
 902                '/wd4146',  # unary minus operator applied to unsigned type, result still unsigned
 903                '/wd4200',  # nonstandard extension used: zero-sized array in struct/union
 904                '/wd4624',  # destructor was implicitly defined as deleted [from LLVM]
 905               ]
 906     if cc.has_argument(a)
 907       c_args += a
 908     endif
 909     if cpp.has_argument(a)
 910       cpp_args += a
 911     endif
 912   endforeach
 913   if cc.has_argument('-Wmicrosoft-enum-value')  # Clang
 914     c_args += '-Wno-microsoft-enum-value'
 915     cpp_args += '-Wno-microsoft-enum-value'
 916   endif
 917 else
 918   _trial = [
 919     '-Werror=implicit-function-declaration',
 920     '-Werror=missing-prototypes',
 921     '-Werror=return-type',
 922     '-Werror=empty-body',
 923     '-Werror=incompatible-pointer-types',
 924     '-Werror=int-conversion',
 925     '-Wno-missing-field-initializers',
 926     '-Wno-format-truncation',
 927     '-fno-math-errno',
 928     '-fno-trapping-math',
 929     '-Qunused-arguments',
 930     '-fno-common',
 931   ]
 932   # MinGW chokes on format specifiers and I can't get it all working
 933   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 934     _trial += ['-Werror=format', '-Wformat-security']
 935   endif
 936   foreach a : _trial
 937     if cc.has_argument(a)
 938       c_args += a
 939     endif
 940   endforeach
 941
 942   _trial = [
 943     '-Werror=return-type',
 944     '-Werror=empty-body',
 945     '-Wno-non-virtual-dtor',
 946     '-Wno-missing-field-initializers',
 947     '-Wno-format-truncation',
 948     '-fno-math-errno',
 949     '-fno-trapping-math',
 950     '-Qunused-arguments',
 951     # Some classes use custom new operator which zeroes memory, however
 952     # gcc does aggressive dead-store elimination which threats all writes
 953     # to the memory before the constructor as "dead stores".
 954     # For now we disable this optimization.
 955     '-flifetime-dse=1',
 956   ]
 957   # MinGW chokes on format specifiers and I can't get it all working
 958   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 959     _trial += ['-Werror=format', '-Wformat-security']
 960   endif
 961   foreach a : _trial
 962     if cpp.has_argument(a)
 963       cpp_args += a
 964     endif
 965   endforeach
 966
 967   foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 968     if cc.has_argument(a)
 969       no_override_init_args += a
 970     endif
 971   endforeach
 972
 973   if cc.has_argument('-fvisibility=hidden')
 974     c_vis_args += '-fvisibility=hidden'
 975   endif
 976
 977   # Check for C and C++ arguments for MSVC compatibility. These are only used
 978   # in parts of the mesa code base that need to compile with MSVC, mainly
 979   # common code
 980   foreach a : ['-Werror=pointer-arith', '-Werror=vla', '-Werror=gnu-empty-initializer']
 981     if cc.has_argument(a)
 982       c_msvc_compat_args += a
 983     endif
 984     if cpp.has_argument(a)
 985       cpp_msvc_compat_args += a
 986     endif
 987   endforeach
 988
 989   if cpp.has_argument('-fvisibility=hidden')
 990     cpp_vis_args += '-fvisibility=hidden'
 991   endif
 992
 993 endif
 994
 995 # set linker arguments
 996 if host_machine.system() == 'windows'
 997   if cc.get_id() == 'msvc'
 998     add_project_link_arguments(
 999       '/fixed:no',
1000       '/dynamicbase',
1001       '/nxcompat',
1002       language : ['c', 'cpp'],
1003     )
1004     if get_option('buildtype') != 'debug'
1005       add_project_link_arguments(
1006         '/incremental:no',
1007         language : ['c', 'cpp'],
1008       )
1009     endif
1010   else
1011     add_project_link_arguments(
1012       '-Wl,--nxcompat',
1013       '-Wl,--dynamicbase',
1014       '-static-libgcc',
1015       '-static-libstdc++',
1016       language : ['c', 'cpp'],
1017     )
1018   endif
1019 endif
1020
1021 if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1022   pre_args += '-DUSE_SSE41'
1023   with_sse41 = true
1024   sse41_args = ['-msse4.1']
1025
1026   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1027   # that's not guaranteed
1028   if host_machine.cpu_family() == 'x86'
1029     sse41_args += '-mstackrealign'
1030   endif
1031 else
1032   with_sse41 = false
1033   sse41_args = []
1034 endif
1035
1036 # Check for GCC style atomics
1037 dep_atomic = null_dep
1038
1039 if cc.compiles('''#include <stdint.h>
1040                   int main() {
1041                     struct {
1042                       uint64_t *v;
1043                     } x;
1044                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1045                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1046
1047                   }''',
1048                name : 'GCC atomic builtins')
1049   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1050
1051   # Not all atomic calls can be turned into lock-free instructions, in which
1052   # GCC will make calls into the libatomic library. Check whether we need to
1053   # link with -latomic.
1054   #
1055   # This can happen for 64-bit atomic operations on 32-bit architectures such
1056   # as ARM.
1057   if not cc.links('''#include <stdint.h>
1058                      int main() {
1059                        struct {
1060                          uint64_t *v;
1061                        } x;
1062                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1063                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1064                      }''',
1065                   name : 'GCC atomic builtins required -latomic')
1066     dep_atomic = cc.find_library('atomic')
1067   endif
1068 endif
1069 if not cc.links('''#include <stdint.h>
1070                    uint64_t v;
1071                    int main() {
1072                      return __sync_add_and_fetch(&v, (uint64_t)1);
1073                    }''',
1074                 dependencies : dep_atomic,
1075                 name : 'GCC 64bit atomics')
1076   pre_args += '-DMISSING_64BIT_ATOMICS'
1077 endif
1078
1079 dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1080
1081 # TODO: shared/static? Is this even worth doing?
1082
1083 with_asm_arch = ''
1084 if host_machine.cpu_family() == 'x86'
1085   if system_has_kms_drm or host_machine.system() == 'gnu'
1086     with_asm_arch = 'x86'
1087     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1088                  '-DUSE_SSE_ASM']
1089
1090     if with_glx_read_only_text
1091       pre_args += ['-DGLX_X86_READONLY_TEXT']
1092     endif
1093   endif
1094 elif host_machine.cpu_family() == 'x86_64'
1095   if system_has_kms_drm
1096     with_asm_arch = 'x86_64'
1097     pre_args += ['-DUSE_X86_64_ASM']
1098   endif
1099 elif host_machine.cpu_family() == 'arm'
1100   if system_has_kms_drm
1101     with_asm_arch = 'arm'
1102     pre_args += ['-DUSE_ARM_ASM']
1103   endif
1104 elif host_machine.cpu_family() == 'aarch64'
1105   if system_has_kms_drm
1106     with_asm_arch = 'aarch64'
1107     pre_args += ['-DUSE_AARCH64_ASM']
1108   endif
1109 elif host_machine.cpu_family() == 'sparc64'
1110   if system_has_kms_drm
1111     with_asm_arch = 'sparc'
1112     pre_args += ['-DUSE_SPARC_ASM']
1113   endif
1114 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1115   if system_has_kms_drm
1116     with_asm_arch = 'ppc64le'
1117     pre_args += ['-DUSE_PPC64LE_ASM']
1118   endif
1119 endif
1120
1121 # Check for standard headers and functions
1122 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1123   cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1124   cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1125   pre_args += '-DMAJOR_IN_SYSMACROS'
1126 endif
1127 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1128   cc.has_header_symbol('sys/mkdev.h', 'minor') and
1129   cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1130   pre_args += '-DMAJOR_IN_MKDEV'
1131 endif
1132
1133 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1134   if cc.check_header(h)
1135     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1136   endif
1137 endforeach
1138
1139 foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r', 'flock', 'strtok_r', 'getrandom']
1140   if cc.has_function(f)
1141     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1142   endif
1143 endforeach
1144
1145 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1146                         args : '-D_GNU_SOURCE')
1147    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1148 elif with_tools.contains('intel')
1149   error('Intel tools require the program_invocation_name variable')
1150 endif
1151
1152 # MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1153 # This means that this check will succeed, but then compilation will later
1154 # fail. MSVC doesn't have this function at all, so only check for it on
1155 # non-windows platforms.
1156 if host_machine.system() != 'windows'
1157   if cc.has_function('posix_memalign')
1158     pre_args += '-DHAVE_POSIX_MEMALIGN'
1159   endif
1160 endif
1161
1162 if cc.has_member('struct dirent', 'd_type', prefix: '''#include <sys/types.h>
1163    #include <dirent.h>''')
1164    pre_args += '-DHAVE_DIRENT_D_TYPE'
1165 endif
1166
1167 # strtod locale support
1168 if cc.links('''
1169     #define _GNU_SOURCE
1170     #include <stdlib.h>
1171     #include <locale.h>
1172     #ifdef HAVE_XLOCALE_H
1173     #include <xlocale.h>
1174     #endif
1175     int main() {
1176       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1177       const char *s = "1.0";
1178       char *end;
1179       double d = strtod_l(s, end, loc);
1180       float f = strtof_l(s, end, loc);
1181       freelocale(loc);
1182       return 0;
1183     }''',
1184     args : pre_args,
1185     name : 'strtod has locale support')
1186   pre_args += '-DHAVE_STRTOD_L'
1187 endif
1188
1189 # Check for some linker flags
1190 ld_args_bsymbolic = []
1191 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1192   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1193 endif
1194 ld_args_gc_sections = []
1195 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1196             args : '-Wl,--gc-sections', name : 'gc-sections')
1197   ld_args_gc_sections += '-Wl,--gc-sections'
1198 endif
1199 with_ld_version_script = false
1200 if cc.links('int main() { return 0; }',
1201             args : '-Wl,--version-script=@0@'.format(
1202               join_paths(meson.source_root(), 'build-support/conftest.map')),
1203             name : 'version-script')
1204   with_ld_version_script = true
1205 endif
1206 with_ld_dynamic_list = false
1207 if cc.links('int main() { return 0; }',
1208             args : '-Wl,--dynamic-list=@0@'.format(
1209               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1210             name : 'dynamic-list')
1211   with_ld_dynamic_list = true
1212 endif
1213
1214 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1215
1216 # check for dl support
1217 dep_dl = null_dep
1218 if not cc.has_function('dlopen')
1219   dep_dl = cc.find_library('dl', required : host_machine.system() != 'windows')
1220 endif
1221 if cc.has_function('dladdr', dependencies : dep_dl)
1222   # This is really only required for megadrivers
1223   pre_args += '-DHAVE_DLADDR'
1224 endif
1225
1226 if cc.has_function('dl_iterate_phdr')
1227   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1228 elif with_intel_vk
1229   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1230 elif with_dri_i965 and with_shader_cache
1231   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1232 endif
1233
1234 # Determine whether or not the rt library is needed for time functions
1235 if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1236   dep_clock = null_dep
1237 else
1238   dep_clock = cc.find_library('rt')
1239 endif
1240
1241 # TODO: some of these may be conditional
1242 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1243 pre_args += '-DHAVE_ZLIB'
1244
1245 _zstd = get_option('zstd')
1246 if _zstd != 'false'
1247   dep_zstd = dependency('libzstd', required : _zstd == 'true')
1248   if dep_zstd.found()
1249     pre_args += '-DHAVE_ZSTD'
1250   endif
1251 else
1252   dep_zstd = null_dep
1253 endif
1254
1255 dep_thread = dependency('threads')
1256 if dep_thread.found() and host_machine.system() != 'windows'
1257   pre_args += '-DHAVE_PTHREAD'
1258   if cc.has_function(
1259       'pthread_setaffinity_np',
1260       dependencies : dep_thread,
1261       prefix : '#include <pthread.h>',
1262       args : '-D_GNU_SOURCE')
1263     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1264   endif
1265   if cc.has_function(
1266       'pthread_setaffinity_np',
1267       dependencies : dep_thread,
1268       prefix : '#include <pthread_np.h>')
1269     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1270   endif
1271 endif
1272 if host_machine.system() != 'windows'
1273   dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1274 else
1275   dep_expat = null_dep
1276 endif
1277 # this only exists on linux so either this is linux and it will be found, or
1278 # it's not linux and wont
1279 dep_m = cc.find_library('m', required : false)
1280
1281 # Check for libdrm. Various drivers have different libdrm version requirements,
1282 # but we always want to use the same version for all libdrm modules. That means
1283 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1284 # bar are both on use 2.4.3 for both of them
1285 dep_libdrm_amdgpu = null_dep
1286 dep_libdrm_radeon = null_dep
1287 dep_libdrm_nouveau = null_dep
1288 dep_libdrm_intel = null_dep
1289
1290 _drm_amdgpu_ver = '2.4.100'
1291 _drm_radeon_ver = '2.4.71'
1292 _drm_nouveau_ver = '2.4.66'
1293 _drm_intel_ver = '2.4.75'
1294 _drm_ver = '2.4.81'
1295
1296 _libdrm_checks = [
1297   ['intel', with_dri_i915 or with_gallium_i915],
1298   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1299   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1300               with_gallium_r300 or with_gallium_r600)],
1301   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1302 ]
1303
1304 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1305 # library.
1306 if with_gallium_vc4
1307   _drm_ver = '2.4.89'
1308 endif
1309
1310 # etnaviv only needs core libdrm
1311 if with_gallium_etnaviv
1312   _drm_ver = '2.4.89'
1313 endif
1314
1315 # Loop over the enables versions and get the highest libdrm requirement for all
1316 # active drivers.
1317 _drm_blame = ''
1318 foreach d : _libdrm_checks
1319   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1320   if d[1] and ver.version_compare('>' + _drm_ver)
1321     _drm_ver = ver
1322     _drm_blame = d[0]
1323   endif
1324 endforeach
1325 if _drm_blame != ''
1326   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1327 endif
1328
1329 # Then get each libdrm module
1330 foreach d : _libdrm_checks
1331   if d[1]
1332     set_variable(
1333       'dep_libdrm_' + d[0],
1334       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1335     )
1336   endif
1337 endforeach
1338
1339 with_gallium_drisw_kms = false
1340 dep_libdrm = dependency(
1341   'libdrm', version : '>=' + _drm_ver,
1342   # GNU/Hurd includes egl_dri2, without drm.
1343   required : (with_dri2 and host_machine.system() != 'gnu') or with_dri3
1344 )
1345 if dep_libdrm.found()
1346   pre_args += '-DHAVE_LIBDRM'
1347   if with_dri_platform == 'drm' and with_dri
1348     with_gallium_drisw_kms = true
1349   endif
1350 endif
1351
1352 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
1353 llvm_optional_modules = ['coroutines']
1354 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1355   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1356   if with_gallium_r600
1357     llvm_modules += 'asmparser'
1358   endif
1359 endif
1360 if with_gallium_opencl
1361   llvm_modules += [
1362     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1363     'lto', 'option', 'objcarcopts', 'profiledata',
1364   ]
1365 endif
1366
1367 if with_amd_vk or with_gallium_radeonsi
1368   _llvm_version = '>= 8.0.0'
1369 elif with_gallium_swr
1370   _llvm_version = '>= 6.0.0'
1371 else
1372   _llvm_version = '>= 3.9.0'
1373 endif
1374
1375 _shared_llvm = get_option('shared-llvm')
1376 if _shared_llvm == 'auto'
1377   _shared_llvm = (host_machine.system() != 'windows')
1378 else
1379   _shared_llvm = (_shared_llvm == 'true')
1380 endif
1381 _llvm = get_option('llvm')
1382
1383 # the cmake method can only link statically, so don't attempt to use it if we
1384 # want to link dynamically. Before 0.54.0 meson will try cmake even when shared
1385 # linking is requested, so we need to force the config-tool method to be used
1386 # in that case, but in 0.54.0 meson won't try the cmake method if shared
1387 # linking is requested.
1388 _llvm_method = 'auto'
1389 if meson.version().version_compare('< 0.54.0') and _shared_llvm
1390   _llvm_method = 'config-tool'
1391 endif
1392
1393 dep_llvm = null_dep
1394 with_llvm = false
1395 if _llvm != 'false'
1396   dep_llvm = dependency(
1397     'llvm',
1398     version : _llvm_version,
1399     modules : llvm_modules,
1400     optional_modules : llvm_optional_modules,
1401     required : (
1402       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1403       with_gallium_opencl or _llvm == 'true'
1404     ),
1405     static : not _shared_llvm,
1406     method : _llvm_method,
1407     fallback : ['llvm', 'dep_llvm'],
1408   )
1409   with_llvm = dep_llvm.found()
1410 endif
1411 if with_llvm
1412   pre_args += '-DLLVM_AVAILABLE'
1413   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1414
1415   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1416   # programs, so we need to build all C++ code in mesa without rtti as well to
1417   # ensure that linking works.
1418   #
1419   # In meson 0.51.0 we can use cmake to find LLVM in addittion to meson's
1420   # builtin llvm-config based finder. A new generic variable getter method
1421   # has also been added, so we'll use that if we can, to cover the cmake case.
1422   if dep_llvm.type_name() == 'internal'
1423     _rtti = subproject('llvm').get_variable('has_rtti', true)
1424   else
1425     # The CMake finder will return 'ON', the llvm-config will return 'YES'
1426     _rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1427   endif
1428   if not _rtti
1429     if with_gallium_nouveau
1430       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1431     elif with_gallium_opencl
1432       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1433     endif
1434     if cc.get_id() == 'msvc'
1435       cpp_args += '/GR-'
1436     else
1437       cpp_args += '-fno-rtti'
1438     endif
1439   endif
1440 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1441   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1442 elif with_gallium_opencl
1443   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1444 endif
1445
1446 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1447     (with_gallium_r600 and with_llvm))
1448   dep_elf = dependency('libelf', required : false)
1449   if not dep_elf.found()
1450     dep_elf = cc.find_library('elf')
1451   endif
1452 else
1453   dep_elf = null_dep
1454 endif
1455
1456 dep_glvnd = null_dep
1457 if with_glvnd
1458   dep_glvnd = dependency('libglvnd', version : '>= 1.2.0')
1459   pre_args += '-DUSE_LIBGLVND=1'
1460 endif
1461
1462 if with_valgrind != 'false'
1463   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1464   if dep_valgrind.found()
1465     pre_args += '-DHAVE_VALGRIND'
1466   endif
1467 else
1468   dep_valgrind = null_dep
1469 endif
1470
1471 # pthread stubs. Lets not and say we didn't
1472
1473 if host_machine.system() == 'windows'
1474   # Prefer the winflexbison versions, they're much easier to install and have
1475   # better windows support.
1476
1477   prog_flex = find_program('win_flex', required : false)
1478   if prog_flex.found()
1479     # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1480     # _fileno functions)
1481     prog_flex = [prog_flex, '--wincompat', '-D__STDC_VERSION__=199901']
1482   else
1483     prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1484   endif
1485   # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1486   # __STDC__ macro to determine whether it's safe to use const keyword, but
1487   # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1488   prog_flex += '-DYY_USE_CONST='
1489
1490   prog_bison = find_program('win_bison', required : false)
1491   if not prog_bison.found()
1492     prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1493   endif
1494 else
1495   prog_bison = find_program('bison', required : with_any_opengl)
1496
1497   # Disable deprecated keyword warnings, since we have to use them for
1498   # old-bison compat.  See discussion in
1499   # https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2161
1500   if find_program('bison', required : false, version : '> 2.3').found()
1501     prog_bison = [prog_bison, '-Wno-deprecated']
1502   endif
1503
1504   prog_flex = find_program('flex', required : with_any_opengl)
1505 endif
1506
1507 dep_selinux = null_dep
1508 if get_option('selinux')
1509   dep_selinux = dependency('libselinux')
1510   pre_args += '-DMESA_SELINUX'
1511 endif
1512
1513 if with_libunwind != 'false'
1514   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1515   if dep_unwind.found()
1516     pre_args += '-DHAVE_LIBUNWIND'
1517   endif
1518 else
1519   dep_unwind = null_dep
1520 endif
1521
1522 if with_osmesa != 'none'
1523   if with_osmesa == 'gallium' and not with_gallium_softpipe
1524     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1525   endif
1526   if host_machine.system() == 'windows'
1527     osmesa_lib_name = 'osmesa'
1528   else
1529     osmesa_lib_name = 'OSMesa'
1530   endif
1531   osmesa_bits = get_option('osmesa-bits')
1532   if osmesa_bits != '8'
1533     if with_dri or with_glx != 'disabled'
1534       error('OSMesa bits must be 8 if building glx or dir based drivers')
1535     endif
1536     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1537     pre_args += [
1538       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1539     ]
1540   endif
1541 endif
1542
1543 # TODO: symbol mangling
1544
1545 if with_platform_wayland
1546   dep_wl_scanner = dependency('wayland-scanner', native: true)
1547   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1548   if dep_wl_scanner.version().version_compare('>= 1.15')
1549     wl_scanner_arg = 'private-code'
1550   else
1551     wl_scanner_arg = 'code'
1552   endif
1553   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1554   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1555   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1556   if with_egl
1557     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1558     dep_wayland_egl_headers = dep_wayland_egl.partial_dependency(compile_args : true)
1559   endif
1560   wayland_dmabuf_xml = join_paths(
1561     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1562     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1563   )
1564   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1565 endif
1566
1567 dep_x11 = null_dep
1568 dep_xext = null_dep
1569 dep_xdamage = null_dep
1570 dep_xfixes = null_dep
1571 dep_x11_xcb = null_dep
1572 dep_xcb = null_dep
1573 dep_xcb_glx = null_dep
1574 dep_xcb_dri2 = null_dep
1575 dep_xcb_dri3 = null_dep
1576 dep_dri2proto = null_dep
1577 dep_glproto = null_dep
1578 dep_xxf86vm = null_dep
1579 dep_xcb_dri3 = null_dep
1580 dep_xcb_present = null_dep
1581 dep_xcb_sync = null_dep
1582 dep_xcb_xfixes = null_dep
1583 dep_xshmfence = null_dep
1584 dep_xcb_xrandr = null_dep
1585 dep_xlib_xrandr = null_dep
1586 if with_platform_x11
1587   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1588     dep_x11 = dependency('x11')
1589     dep_xext = dependency('xext')
1590     dep_xcb = dependency('xcb')
1591   elif with_glx == 'dri'
1592     dep_x11 = dependency('x11')
1593     dep_xext = dependency('xext')
1594     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1595     dep_xfixes = dependency('xfixes')
1596     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1597   endif
1598   if (with_any_vk or with_glx == 'dri' or with_egl or
1599        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1600         with_gallium_omx != 'disabled'))
1601     dep_xcb = dependency('xcb')
1602     dep_x11_xcb = dependency('x11-xcb')
1603     if with_dri_platform == 'drm' and not dep_libdrm.found()
1604       error('libdrm required for gallium video statetrackers when using x11')
1605     endif
1606   endif
1607   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1608     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1609
1610     if with_dri3
1611       pre_args += '-DHAVE_DRI3'
1612       dep_xcb_dri3 = dependency('xcb-dri3')
1613       dep_xcb_present = dependency('xcb-present')
1614       # until xcb-dri3 has been around long enough to make a hard-dependency:
1615       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1616           dep_xcb_present.version().version_compare('>= 1.13'))
1617         pre_args += '-DHAVE_DRI3_MODIFIERS'
1618       endif
1619       dep_xcb_sync = dependency('xcb-sync')
1620       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1621     endif
1622   endif
1623   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1624     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1625   endif
1626   if with_glx == 'dri'
1627     if with_dri_platform == 'drm'
1628       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1629       dep_xxf86vm = dependency('xxf86vm')
1630     endif
1631   endif
1632   if (with_egl or (
1633       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1634       with_gallium_omx != 'disabled'))
1635     dep_xcb_xfixes = dependency('xcb-xfixes')
1636   endif
1637   if with_xlib_lease
1638     dep_xcb_xrandr = dependency('xcb-randr')
1639     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1640   endif
1641 endif
1642
1643 if get_option('gallium-extra-hud')
1644   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1645 endif
1646
1647 _sensors = get_option('lmsensors')
1648 if _sensors != 'false'
1649   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1650   if dep_lmsensors.found()
1651     pre_args += '-DHAVE_LIBSENSORS=1'
1652   endif
1653 else
1654   dep_lmsensors = null_dep
1655 endif
1656
1657 foreach a : pre_args
1658   add_project_arguments(a, language : ['c', 'cpp'])
1659 endforeach
1660 foreach a : c_args
1661   add_project_arguments(a, language : ['c'])
1662 endforeach
1663 foreach a : cpp_args
1664   add_project_arguments(a, language : ['cpp'])
1665 endforeach
1666
1667 gl_priv_reqs = []
1668
1669 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1670   gl_priv_reqs += ['x11', 'xext', 'xcb']
1671 elif with_glx == 'dri'
1672   gl_priv_reqs += [
1673     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1674     'xcb-glx >= 1.8.1']
1675   if with_dri_platform == 'drm'
1676     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1677     gl_priv_reqs += 'xxf86vm'
1678   endif
1679 endif
1680 if dep_libdrm.found()
1681   gl_priv_reqs += 'libdrm >= 2.4.75'
1682 endif
1683
1684 gl_priv_libs = []
1685 if dep_thread.found()
1686   gl_priv_libs += ['-lpthread', '-pthread']
1687 endif
1688 if dep_m.found()
1689   gl_priv_libs += '-lm'
1690 endif
1691 if dep_dl.found()
1692   gl_priv_libs += '-ldl'
1693 endif
1694
1695 pkg = import('pkgconfig')
1696
1697 if host_machine.system() == 'windows'
1698   prog_dumpbin = find_program('dumpbin', required : false)
1699   with_symbols_check = prog_dumpbin.found() and with_tests
1700   symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
1701 else
1702   prog_nm = find_program('nm')
1703   with_symbols_check = with_tests
1704   symbols_check_args = ['--nm', prog_nm.path()]
1705 endif
1706
1707 # This quirk needs to be applied to sources with functions defined in assembly
1708 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1709 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1710
1711 subdir('include')
1712 subdir('bin')
1713 subdir('src')
1714
1715 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1716 # formatting below unless the first argument is passed as a variable. This has
1717 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1718 # for backwards compatibility.
1719 _with_opengl_string = with_opengl ? 'yes' : 'no'
1720
1721 lines = ['',
1722   'prefix:          ' + get_option('prefix'),
1723   'libdir:          ' + get_option('libdir'),
1724   'includedir:      ' + get_option('includedir'),
1725   '',
1726   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1727                                                     with_gles1 ? 'yes' : 'no',
1728                                                     with_gles2 ? 'yes' : 'no'),
1729 ]
1730
1731 if with_osmesa != 'none'
1732   lines += ''
1733   suffix = ''
1734   if with_osmesa == 'gallium'
1735     suffix = '(Gallium)'
1736   endif
1737   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1738 else
1739   lines += 'OSMesa:          no'
1740 endif
1741
1742 if with_dri
1743   lines += ''
1744   lines += 'DRI platform:    ' + with_dri_platform
1745   if dri_drivers.length() != 0 and dri_drivers != ['']
1746     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1747   else
1748     lines += 'DRI drivers:     no'
1749   endif
1750   lines += 'DRI driver dir:  ' + dri_drivers_path
1751 endif
1752
1753 if with_glx != 'disabled'
1754   lines += ''
1755   if with_glx == 'dri'
1756     lines += 'GLX:             DRI-based'
1757   elif with_glx == 'xlib'
1758     lines += 'GLX:             Xlib-based'
1759   elif with_glx == 'gallium-xlib'
1760     lines += 'GLX:             Xlib-based (Gallium)'
1761   else
1762     lines += 'GLX:             ' + with_glx
1763   endif
1764 endif
1765
1766 lines += ''
1767 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1768 if with_egl
1769   egl_drivers = []
1770   if with_dri
1771     egl_drivers += 'builtin:egl_dri2'
1772   endif
1773   if with_dri3
1774     egl_drivers += 'builtin:egl_dri3'
1775   endif
1776   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1777 endif
1778 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1779 if with_platforms
1780   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1781 endif
1782
1783 lines += ''
1784 if with_any_vk
1785   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1786   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1787 else
1788   lines += 'Vulkan drivers:  no'
1789 endif
1790
1791 lines += ''
1792 if with_llvm
1793   lines += 'llvm:            yes'
1794   lines += 'llvm-version:    ' + dep_llvm.version()
1795 else
1796   lines += 'llvm:            no'
1797 endif
1798
1799 lines += ''
1800 if with_gallium
1801   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1802   gallium_st = ['mesa']
1803   if with_gallium_xa
1804     gallium_st += 'xa'
1805   endif
1806   if with_gallium_xvmc
1807     gallium_st += 'xvmc'
1808   endif
1809   if with_gallium_xvmc
1810     gallium_st += 'xvmc'
1811   endif
1812   if with_gallium_vdpau
1813     gallium_st += 'vdpau'
1814   endif
1815   if with_gallium_omx != 'disabled'
1816     gallium_st += 'omx' + with_gallium_omx
1817   endif
1818   if with_gallium_va
1819     gallium_st += 'va'
1820   endif
1821   if with_gallium_st_nine
1822     gallium_st += 'nine'
1823   endif
1824   if with_gallium_opencl
1825     gallium_st += 'clover'
1826   endif
1827   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1828 else
1829   lines += 'Gallium:         no'
1830 endif
1831
1832 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1833
1834 lines += ''
1835 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1836
1837
1838 indent = '        '
1839 summary = indent + ('\n' + indent).join(lines)
1840 message('Configuration summary:\n@0@\n'.format(summary))