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', 'python3'), 'bin/meson_get_version.py']
  26   ).stdout(),
  27   license : 'MIT',
  28   meson_version : '>= 0.46',
  29   default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++14']
  30 )
  31
  32 cc = meson.get_compiler('c')
  33 cpp = meson.get_compiler('cpp')
  34
  35 null_dep = dependency('', required : false)
  36
  37 # Arguments for the preprocessor, put these in a separate array from the C and
  38 # C++ (cpp in meson terminology) arguments since they need to be added to the
  39 # default arguments for both C and C++.
  40 pre_args = [
  41   '-D__STDC_CONSTANT_MACROS',
  42   '-D__STDC_FORMAT_MACROS',
  43   '-D__STDC_LIMIT_MACROS',
  44   '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
  45   '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/issues"',
  46 ]
  47
  48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  49 with_tests = get_option('build-tests')
  50 with_valgrind = get_option('valgrind')
  51 with_libunwind = get_option('libunwind')
  52 with_glx_read_only_text = get_option('glx-read-only-text')
  53 with_glx_direct = get_option('glx-direct')
  54 with_osmesa = get_option('osmesa')
  55 with_swr_arches = get_option('swr-arches')
  56 with_vulkan_overlay_layer = get_option('vulkan-overlay-layer')
  57 with_tools = get_option('tools')
  58 if with_tools.contains('all')
  59   with_tools = [
  60     'drm-shim',
  61     'etnaviv',
  62     'freedreno',
  63     'glsl',
  64     'intel',
  65     'intel-ui',
  66     'lima',
  67     'nir',
  68     'nouveau',
  69     'xvmc',
  70   ]
  71 endif
  72
  73 with_intel_tools = with_tools.contains('intel') or with_tools.contains('intel-ui')
  74 with_imgui = with_intel_tools or with_vulkan_overlay_layer
  75
  76 dri_drivers_path = get_option('dri-drivers-path')
  77 if dri_drivers_path == ''
  78   dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
  79 endif
  80 dri_search_path = get_option('dri-search-path')
  81 if dri_search_path == ''
  82   dri_search_path = dri_drivers_path
  83 endif
  84
  85 with_gles1 = get_option('gles1')
  86 with_gles2 = get_option('gles2')
  87 if host_machine.system() == 'windows'
  88   if with_gles1 == 'auto'
  89     with_gles1 = 'false'
  90   endif
  91   if with_gles2 == 'auto'
  92     with_gles2 = 'false'
  93   endif
  94 endif
  95 with_opengl = get_option('opengl')
  96
  97 # Default shared glapi off for windows, on elsewhere.
  98 _sg = get_option('shared-glapi')
  99 if _sg == 'auto'
 100   with_shared_glapi = host_machine.system() != 'windows'
 101 else
 102   with_shared_glapi = _sg == 'true'
 103 endif
 104
 105 # shared-glapi is required if at least two OpenGL APIs are being built
 106 if not with_shared_glapi
 107   if ((with_gles1 == 'true' and with_gles2 == 'true') or
 108       (with_gles1 == 'true' and with_opengl) or
 109       (with_gles2 == 'true' and with_opengl))
 110     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
 111   endif
 112   with_gles1 = 'false'
 113   with_gles2 = 'false'
 114 endif
 115
 116 # We require OpenGL for OpenGL ES
 117 if not with_opengl
 118   if (with_gles1 == 'true' or with_gles2 == 'true') and not with_opengl
 119     error('building OpenGL ES without OpenGL is not supported.')
 120   endif
 121   with_gles1 = 'false'
 122   with_gles2 = 'false'
 123 endif
 124
 125 with_gles1 = with_gles1 != 'false'
 126 with_gles2 = with_gles2 != 'false'
 127 with_any_opengl = with_opengl or with_gles1 or with_gles2
 128 # Only build shared_glapi if at least one OpenGL API is enabled
 129 with_shared_glapi = with_shared_glapi and with_any_opengl
 130
 131 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux', 'sunos'].contains(host_machine.system())
 132
 133 dri_drivers = get_option('dri-drivers')
 134 if dri_drivers.contains('auto')
 135   if system_has_kms_drm
 136     # TODO: PPC, Sparc
 137     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 138       dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 139     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 140       dri_drivers = []
 141     else
 142       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 143             host_machine.cpu_family()))
 144     endif
 145   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 146     # only swrast would make sense here, but gallium swrast is a much better default
 147     dri_drivers = []
 148   else
 149     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 150           host_machine.system()))
 151   endif
 152 endif
 153
 154 with_dri_i915 = dri_drivers.contains('i915')
 155 with_dri_i965 = dri_drivers.contains('i965')
 156 with_dri_r100 = dri_drivers.contains('r100')
 157 with_dri_r200 = dri_drivers.contains('r200')
 158 with_dri_nouveau = dri_drivers.contains('nouveau')
 159 with_dri_swrast = dri_drivers.contains('swrast')
 160
 161 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
 162
 163 gallium_drivers = get_option('gallium-drivers')
 164 if gallium_drivers.contains('auto')
 165   if system_has_kms_drm
 166     # TODO: PPC, Sparc
 167     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 168       gallium_drivers = [
 169         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast',
 170         'iris'
 171       ]
 172     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 173       gallium_drivers = [
 174         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 175         'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
 176       ]
 177     else
 178       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 179             host_machine.cpu_family()))
 180     endif
 181   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 182     gallium_drivers = ['swrast']
 183   else
 184     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 185           host_machine.system()))
 186   endif
 187 endif
 188 with_gallium_kmsro = gallium_drivers.contains('kmsro')
 189 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
 190 with_gallium_r300 = gallium_drivers.contains('r300')
 191 with_gallium_r600 = gallium_drivers.contains('r600')
 192 with_gallium_nouveau = gallium_drivers.contains('nouveau')
 193 with_gallium_freedreno = gallium_drivers.contains('freedreno')
 194 with_gallium_softpipe = gallium_drivers.contains('swrast')
 195 with_gallium_vc4 = gallium_drivers.contains('vc4')
 196 with_gallium_v3d = gallium_drivers.contains('v3d')
 197 with_gallium_panfrost = gallium_drivers.contains('panfrost')
 198 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
 199 with_gallium_tegra = gallium_drivers.contains('tegra')
 200 with_gallium_iris = gallium_drivers.contains('iris')
 201 with_gallium_i915 = gallium_drivers.contains('i915')
 202 with_gallium_svga = gallium_drivers.contains('svga')
 203 with_gallium_virgl = gallium_drivers.contains('virgl')
 204 with_gallium_swr = gallium_drivers.contains('swr')
 205 with_gallium_lima = gallium_drivers.contains('lima')
 206 with_gallium_zink = gallium_drivers.contains('zink')
 207
 208 if cc.get_id().startswith('intel') and meson.version().version_compare('< 0.49.1')
 209   error('Meson does not have sufficient support of ICC before 0.49.1 to compile mesa')
 210 endif
 211
 212 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 213
 214 if with_gallium and system_has_kms_drm
 215   _glx = get_option('glx')
 216   _egl = get_option('egl')
 217   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 218     with_dri = true
 219   endif
 220 endif
 221
 222 _vulkan_drivers = get_option('vulkan-drivers')
 223 if _vulkan_drivers.contains('auto')
 224   if system_has_kms_drm
 225     if host_machine.cpu_family().startswith('x86')
 226       _vulkan_drivers = ['amd', 'intel']
 227     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 228       _vulkan_drivers = []
 229     else
 230       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 231             host_machine.cpu_family()))
 232     endif
 233   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 234     # No vulkan driver supports windows or macOS currently
 235     _vulkan_drivers = []
 236   else
 237     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 238           host_machine.system()))
 239   endif
 240 endif
 241
 242 with_intel_vk = _vulkan_drivers.contains('intel')
 243 with_amd_vk = _vulkan_drivers.contains('amd')
 244 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 245 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 246
 247 if with_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 prog_pkgconfig = find_program('pkg-config')
 455
 456 _vdpau = get_option('gallium-vdpau')
 457 if not system_has_kms_drm
 458   if _vdpau == 'true'
 459     error('VDPAU state tracker can only be build on unix-like OSes.')
 460   else
 461     _vdpau = 'false'
 462   endif
 463 elif not with_platform_x11
 464   if _vdpau == 'true'
 465     error('VDPAU state tracker requires X11 support.')
 466   else
 467     _vdpau = 'false'
 468   endif
 469 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 470           with_gallium_nouveau)
 471   if _vdpau == 'true'
 472     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 473   else
 474     _vdpau = 'false'
 475   endif
 476 endif
 477 dep_vdpau = null_dep
 478 with_gallium_vdpau = false
 479 if _vdpau != 'false'
 480   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 481   if dep_vdpau.found()
 482     dep_vdpau = declare_dependency(
 483       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 484     )
 485     with_gallium_vdpau = true
 486   endif
 487 endif
 488
 489 if with_gallium_vdpau
 490   pre_args += '-DHAVE_ST_VDPAU'
 491 endif
 492 vdpau_drivers_path = get_option('vdpau-libs-path')
 493 if vdpau_drivers_path == ''
 494   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 495 endif
 496
 497 if with_gallium_zink
 498   dep_vulkan = dependency('vulkan')
 499 endif
 500
 501 _xvmc = get_option('gallium-xvmc')
 502 if not system_has_kms_drm
 503   if _xvmc == 'true'
 504     error('XVMC state tracker can only be build on unix-like OSes.')
 505   else
 506     _xvmc = 'false'
 507   endif
 508 elif not with_platform_x11
 509   if _xvmc == 'true'
 510     error('XVMC state tracker requires X11 support.')
 511   else
 512     _xvmc = 'false'
 513   endif
 514 elif not (with_gallium_r600 or with_gallium_nouveau)
 515   if _xvmc == 'true'
 516     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 517   else
 518     _xvmc = 'false'
 519   endif
 520 endif
 521 dep_xvmc = null_dep
 522 dep_xv = null_dep
 523 with_gallium_xvmc = false
 524 if _xvmc != 'false'
 525   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 526   dep_xv = dependency('xv', required : _xvmc == 'true')
 527   with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
 528 endif
 529
 530 xvmc_drivers_path = get_option('xvmc-libs-path')
 531 if xvmc_drivers_path == ''
 532   xvmc_drivers_path = get_option('libdir')
 533 endif
 534
 535 _omx = get_option('gallium-omx')
 536 if not system_has_kms_drm
 537   if ['auto', 'disabled'].contains(_omx)
 538     _omx = 'disabled'
 539   else
 540     error('OMX state tracker can only be built on unix-like OSes.')
 541   endif
 542 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 543   if ['auto', 'disabled'].contains(_omx)
 544     _omx = 'disabled'
 545   else
 546     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 547   endif
 548 endif
 549 with_gallium_omx = _omx
 550 dep_omx = null_dep
 551 dep_omx_other = []
 552 if ['auto', 'bellagio'].contains(_omx)
 553   dep_omx = dependency(
 554     'libomxil-bellagio', required : _omx == 'bellagio'
 555   )
 556   if dep_omx.found()
 557     with_gallium_omx = 'bellagio'
 558   endif
 559 endif
 560 if ['auto', 'tizonia'].contains(_omx)
 561   if with_dri and with_egl
 562     dep_omx = dependency(
 563       'libtizonia', version : '>= 0.10.0',
 564       required : _omx == 'tizonia',
 565     )
 566     dep_omx_other = [
 567       dependency('libtizplatform', required : _omx == 'tizonia'),
 568       dependency('tizilheaders', required : _omx == 'tizonia'),
 569     ]
 570     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 571       with_gallium_omx = 'tizonia'
 572     endif
 573   elif _omx == 'tizonia'
 574     error('OMX-Tizonia state tracker requires dri and egl')
 575   endif
 576 endif
 577 if _omx == 'auto'
 578   with_gallium_omx = 'disabled'
 579 else
 580   with_gallium_omx = _omx
 581 endif
 582
 583 pre_args += [
 584   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 585   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 586 ]
 587
 588
 589 omx_drivers_path = get_option('omx-libs-path')
 590
 591 if with_gallium_omx != 'disabled'
 592   # Figure out where to put the omx driver.
 593   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 594   # argument to meson's get_pkgconfig_variable method.
 595   if omx_drivers_path == ''
 596     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 597     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 598     if _omx_libdir == get_option('libdir')
 599       omx_drivers_path = _omx_drivers_dir
 600     else
 601       _omx_base_dir = []
 602       # This will fail on windows. Does OMX run on windows?
 603       _omx_libdir = _omx_libdir.split('/')
 604       _omx_drivers_dir = _omx_drivers_dir.split('/')
 605       foreach o : _omx_drivers_dir
 606         if not _omx_libdir.contains(o)
 607           _omx_base_dir += o
 608         endif
 609       endforeach
 610       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 611     endif
 612   endif
 613 endif
 614
 615 _va = get_option('gallium-va')
 616 if not system_has_kms_drm
 617   if _va == 'true'
 618     error('VA state tracker can only be built on unix-like OSes.')
 619   else
 620     _va = 'false'
 621   endif
 622 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 623   if _va == 'true'
 624     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 625   else
 626     _va = 'false'
 627   endif
 628 endif
 629 with_gallium_va = false
 630 dep_va = null_dep
 631 if _va != 'false'
 632   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 633   if dep_va.found()
 634     dep_va_headers = declare_dependency(
 635       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 636     )
 637     with_gallium_va = true
 638   endif
 639 endif
 640
 641 va_drivers_path = get_option('va-libs-path')
 642 if va_drivers_path == ''
 643   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 644 endif
 645
 646 _xa = get_option('gallium-xa')
 647 if not system_has_kms_drm
 648   if _xa == 'true'
 649     error('XA state tracker can only be built on unix-like OSes.')
 650   else
 651     _xa = 'false'
 652   endif
 653 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 654           or with_gallium_svga)
 655   if _xa == 'true'
 656     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 657   else
 658     _xa = 'false'
 659   endif
 660 endif
 661 with_gallium_xa = _xa != 'false'
 662
 663 d3d_drivers_path = get_option('d3d-drivers-path')
 664 if d3d_drivers_path == ''
 665   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 666 endif
 667
 668 with_gallium_st_nine =  get_option('gallium-nine')
 669 if with_gallium_st_nine
 670   if not with_gallium_softpipe
 671     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 672   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 673             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 674             or with_gallium_iris)
 675     error('The nine state tracker requires at least one non-swrast gallium driver.')
 676   endif
 677   if not with_dri3
 678     error('Using nine with wine requires dri3')
 679   endif
 680 endif
 681
 682 if get_option('power8') != 'false'
 683   # on old versions of meson the cpu family would return as ppc64le on little
 684   # endian power8, this was changed in 0.48 such that the family would always
 685   # be ppc64 regardless of endianness, and then the machine.endian() value
 686   # should be checked. Since we support versions < 0.48 we need to use
 687   # startswith.
 688   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 689     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 690       error('Altivec is not supported with gcc version < 4.8.')
 691     endif
 692     if cc.compiles('''
 693         #include <altivec.h>
 694         int main() {
 695           vector unsigned char r;
 696           vector unsigned int v = vec_splat_u32 (1);
 697           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 698           return 0;
 699         }''',
 700         args : '-mpower8-vector',
 701         name : 'POWER8 intrinsics')
 702       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 703     elif get_option('power8') == 'true'
 704       error('POWER8 intrinsic support required but not found.')
 705     endif
 706   endif
 707 endif
 708
 709 _opencl = get_option('gallium-opencl')
 710 clover_cpp_std = []
 711 if _opencl != 'disabled'
 712   if not with_gallium
 713     error('OpenCL Clover implementation requires at least one gallium driver.')
 714   endif
 715
 716   dep_clc = dependency('libclc')
 717   with_gallium_opencl = true
 718   with_opencl_icd = _opencl == 'icd'
 719
 720   with_opencl_spirv = get_option('opencl-spirv')
 721   if with_opencl_spirv
 722     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 723     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 724     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 725   else
 726     dep_spirv_tools = null_dep
 727     dep_llvmspirvlib = null_dep
 728   endif
 729
 730   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 731       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 732       #error "AltiVec not enabled"
 733       #endif''',
 734       name : 'Altivec')
 735     clover_cpp_std += ['cpp_std=gnu++11']
 736   endif
 737 else
 738   dep_clc = null_dep
 739   dep_spirv_tools = null_dep
 740   dep_llvmspirvlib = null_dep
 741   with_gallium_opencl = false
 742   with_opencl_icd = false
 743   with_opencl_spirv = false
 744 endif
 745
 746 gl_pkgconfig_c_flags = []
 747 if with_platform_x11
 748   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 749     pre_args += '-DHAVE_X11_PLATFORM'
 750   endif
 751   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 752     pre_args += '-DUSE_XSHM'
 753   else
 754     pre_args += '-DGLX_INDIRECT_RENDERING'
 755     if with_glx_direct
 756       pre_args += '-DGLX_DIRECT_RENDERING'
 757     endif
 758     if with_dri_platform == 'drm'
 759       pre_args += '-DGLX_USE_DRM'
 760     elif with_dri_platform == 'apple'
 761       pre_args += '-DGLX_USE_APPLEGL'
 762     elif with_dri_platform == 'windows'
 763       pre_args += '-DGLX_USE_WINDOWSGL'
 764     endif
 765   endif
 766 else
 767   pre_args += '-DEGL_NO_X11'
 768   gl_pkgconfig_c_flags += '-DEGL_NO_X11'
 769 endif
 770 if with_platform_drm
 771   if with_egl and not with_gbm
 772     error('EGL drm platform requires gbm')
 773   endif
 774   pre_args += '-DHAVE_DRM_PLATFORM'
 775 endif
 776 if with_platform_surfaceless
 777   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 778 endif
 779 if with_platform_android
 780   dep_android = [
 781     dependency('cutils'),
 782     dependency('hardware'),
 783     dependency('sync'),
 784   ]
 785   if get_option('platform-sdk-version') >= 26
 786     dep_android += dependency('nativewindow')
 787   endif
 788   pre_args += '-DHAVE_ANDROID_PLATFORM'
 789 endif
 790 if with_platform_haiku
 791   pre_args += '-DHAVE_HAIKU_PLATFORM'
 792 endif
 793
 794 if meson.version().version_compare('>=0.50')
 795   prog_python = import('python').find_installation('python3')
 796 else
 797   prog_python = import('python3').find_python()
 798 endif
 799 has_mako = run_command(
 800   prog_python, '-c',
 801   '''
 802 from distutils.version import StrictVersion
 803 import mako
 804 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 805   ''')
 806 if has_mako.returncode() != 0
 807   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 808 endif
 809
 810 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 811   error('When using GCC, version 4.4.6 or later is required.')
 812 endif
 813
 814 # Support systems without ETIME (e.g. FreeBSD)
 815 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
 816   pre_args += '-DETIME=ETIMEDOUT'
 817 endif
 818
 819 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 820 if get_option('buildtype') == 'debug'
 821   pre_args += '-DDEBUG'
 822 endif
 823
 824 with_shader_cache = false
 825 _shader_cache = get_option('shader-cache')
 826 if _shader_cache != 'false'
 827   if host_machine.system() == 'windows'
 828     if _shader_cache == 'true'
 829       error('Shader Cache does not currently work on Windows')
 830     endif
 831   else
 832     pre_args += '-DENABLE_SHADER_CACHE'
 833     with_shader_cache = true
 834   endif
 835 endif
 836 if with_amd_vk and not with_shader_cache
 837   error('Radv requires shader cache support')
 838 endif
 839
 840 # Check for GCC style builtins
 841 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 842              'ffsll', 'popcount', 'popcountll', 'unreachable']
 843   if cc.has_function(b)
 844     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 845   endif
 846 endforeach
 847
 848 # check for GCC __attribute__
 849 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 850              'warn_unused_result', 'weak',]
 851   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 852                  name : '__attribute__((@0@))'.format(a))
 853     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 854   endif
 855 endforeach
 856 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 857                name : '__attribute__((format(...)))')
 858   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 859 endif
 860 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 861                name : '__attribute__((packed))')
 862   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 863 endif
 864 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 865                name : '__attribute__((returns_nonnull))')
 866   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 867 endif
 868 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 869                   int foo_hid(void) __attribute__((visibility("hidden")));
 870                   int foo_int(void) __attribute__((visibility("internal")));
 871                   int foo_pro(void) __attribute__((visibility("protected")));''',
 872                name : '__attribute__((visibility(...)))')
 873   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 874 endif
 875 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 876                name : '__attribute__((alias(...)))')
 877   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 878 endif
 879 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 880                name : '__attribute__((__noreturn__))')
 881   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 882 endif
 883 if cc.compiles('__uint128_t foo(void) { return 0; }',
 884                name : '__uint128_t')
 885   pre_args += '-DHAVE_UINT128'
 886 endif
 887
 888 # TODO: this is very incomplete
 889 if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd'].contains(host_machine.system())
 890   pre_args += '-D_GNU_SOURCE'
 891 elif host_machine.system() == 'sunos'
 892   pre_args += '-D__EXTENSIONS__'
 893 elif host_machine.system() == 'windows'
 894   pre_args += [
 895     '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-D_WINVER=0x0601',
 896     '-DPIPE_SUBSYSTEM_WINDOWS_USER',
 897     '-D_USE_MATH_DEFINES',  # XXX: scons doesn't use this for mingw
 898   ]
 899   if cc.get_id() == 'msvc'
 900     pre_args += [
 901       '-DVC_EXTRALEAN',
 902       '-D_CRT_SECURE_NO_WARNINGS',
 903       '-D_CRT_SECURE_NO_DEPRECATE',
 904       '-D_SCL_SECURE_NO_WARNINGS',
 905       '-D_SCL_SECURE_NO_DEPRECATE',
 906       '-D_ALLOW_KEYWORD_MACROS',
 907       '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
 908     ]
 909   else
 910     pre_args += ['-D__MSVCRT_VERSION__=0x0700']
 911   endif
 912 endif
 913
 914 # Check for generic C arguments
 915 c_args = []
 916 c_vis_args = []
 917 c_msvc_compat_args = []
 918 no_override_init_args = []
 919 cpp_args = []
 920 cpp_vis_args = []
 921 cpp_msvc_compat_args = []
 922 if cc.get_id() == 'msvc'
 923   foreach a : ['/wd4018',  # signed/unsigned mismatch
 924                '/wd4056',  # overflow in floating-point constant arithmetic
 925                '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
 926                '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
 927                '/wd4305',  # trancation from 'type1' to 'type2'
 928                '/wd4351',  # new behavior: elements of array 'array' will be default initialized
 929                '/wd4756',  # overflow in constant arithmetic
 930                '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
 931                '/wd4996',  # disabled deprecated POSIX name warnings
 932                '/wd4291']  # no matching operator delete found
 933     if cc.has_argument(a)
 934       c_args += a
 935     endif
 936     if cpp.has_argument(a)
 937       cpp_args += a
 938     endif
 939   endforeach
 940   if cc.has_argument('-Wmicrosoft-enum-value')  # Clang
 941     c_args += '-Wno-microsoft-enum-value'
 942     cpp_args += '-Wno-microsoft-enum-value'
 943   endif
 944 else
 945   _trial = [
 946     '-Werror=implicit-function-declaration',
 947     '-Werror=missing-prototypes',
 948     '-Werror=return-type',
 949     '-Werror=empty-body',
 950     '-Werror=incompatible-pointer-types',
 951     '-Werror=int-conversion',
 952     '-Wno-missing-field-initializers',
 953     '-Wno-format-truncation',
 954     '-fno-math-errno',
 955     '-fno-trapping-math',
 956     '-Qunused-arguments',
 957   ]
 958   # MinGW chokes on format specifiers and I can't get it all working
 959   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 960     _trial += ['-Werror=format', '-Wformat-security']
 961   endif
 962   foreach a : _trial
 963     if cc.has_argument(a)
 964       c_args += a
 965     endif
 966   endforeach
 967
 968   _trial = [
 969     '-Werror=return-type',
 970     '-Werror=empty-body',
 971     '-Wno-non-virtual-dtor',
 972     '-Wno-missing-field-initializers',
 973     '-Wno-format-truncation',
 974     '-fno-math-errno',
 975     '-fno-trapping-math',
 976     '-Qunused-arguments',
 977   ]
 978   # MinGW chokes on format specifiers and I can't get it all working
 979   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 980     _trial += ['-Werror=format', '-Wformat-security']
 981   endif
 982   foreach a : _trial
 983     if cpp.has_argument(a)
 984       cpp_args += a
 985     endif
 986   endforeach
 987
 988   foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 989     if cc.has_argument(a)
 990       no_override_init_args += a
 991     endif
 992   endforeach
 993
 994   if cc.has_argument('-fvisibility=hidden')
 995     c_vis_args += '-fvisibility=hidden'
 996   endif
 997
 998   # Check for C and C++ arguments for MSVC compatibility. These are only used
 999   # in parts of the mesa code base that need to compile with MSVC, mainly
1000   # common code
1001   foreach a : ['-Werror=pointer-arith', '-Werror=vla', '-Werror=gnu-empty-initializer']
1002     if cc.has_argument(a)
1003       c_msvc_compat_args += a
1004     endif
1005     if cpp.has_argument(a)
1006       cpp_msvc_compat_args += a
1007     endif
1008   endforeach
1009
1010   if cpp.has_argument('-fvisibility=hidden')
1011     cpp_vis_args += '-fvisibility=hidden'
1012   endif
1013
1014 endif
1015
1016 # set linker arguments
1017 if host_machine.system() == 'windows'
1018   if cc.get_id() == 'msvc'
1019     add_project_link_arguments(
1020       '/fixed:no',
1021       '/incremental:no',
1022       '/dynamicbase',
1023       '/nxcompat',
1024       language : ['c', 'cpp'],
1025     )
1026   else
1027     add_project_link_arguments(
1028       '-Wl,--nxcompat',
1029       '-Wl,--dynamicbase',
1030       '-static-libgcc',
1031       '-static-libstdc++',
1032       language : ['c', 'cpp'],
1033     )
1034   endif
1035 endif
1036
1037 if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1038   pre_args += '-DUSE_SSE41'
1039   with_sse41 = true
1040   sse41_args = ['-msse4.1']
1041
1042   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1043   # that's not guaranteed
1044   if host_machine.cpu_family() == 'x86'
1045     sse41_args += '-mstackrealign'
1046   endif
1047 else
1048   with_sse41 = false
1049   sse41_args = []
1050 endif
1051
1052 # Check for GCC style atomics
1053 dep_atomic = null_dep
1054
1055 if cc.compiles('''#include <stdint.h>
1056                   int main() {
1057                     struct {
1058                       uint64_t *v;
1059                     } x;
1060                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1061                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1062
1063                   }''',
1064                name : 'GCC atomic builtins')
1065   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1066
1067   # Not all atomic calls can be turned into lock-free instructions, in which
1068   # GCC will make calls into the libatomic library. Check whether we need to
1069   # link with -latomic.
1070   #
1071   # This can happen for 64-bit atomic operations on 32-bit architectures such
1072   # as ARM.
1073   if not cc.links('''#include <stdint.h>
1074                      int main() {
1075                        struct {
1076                          uint64_t *v;
1077                        } x;
1078                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1079                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1080                      }''',
1081                   name : 'GCC atomic builtins required -latomic')
1082     dep_atomic = cc.find_library('atomic')
1083   endif
1084 endif
1085 if not cc.links('''#include <stdint.h>
1086                    uint64_t v;
1087                    int main() {
1088                      return __sync_add_and_fetch(&v, (uint64_t)1);
1089                    }''',
1090                 dependencies : dep_atomic,
1091                 name : 'GCC 64bit atomics')
1092   pre_args += '-DMISSING_64BIT_ATOMICS'
1093 endif
1094
1095 dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1096
1097 # TODO: shared/static? Is this even worth doing?
1098
1099 with_asm_arch = ''
1100 if host_machine.cpu_family() == 'x86'
1101   if system_has_kms_drm or host_machine.system() == 'gnu'
1102     with_asm_arch = 'x86'
1103     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1104                  '-DUSE_SSE_ASM']
1105
1106     if with_glx_read_only_text
1107       pre_args += ['-DGLX_X86_READONLY_TEXT']
1108     endif
1109   endif
1110 elif host_machine.cpu_family() == 'x86_64'
1111   if system_has_kms_drm
1112     with_asm_arch = 'x86_64'
1113     pre_args += ['-DUSE_X86_64_ASM']
1114   endif
1115 elif host_machine.cpu_family() == 'arm'
1116   if system_has_kms_drm
1117     with_asm_arch = 'arm'
1118     pre_args += ['-DUSE_ARM_ASM']
1119   endif
1120 elif host_machine.cpu_family() == 'aarch64'
1121   if system_has_kms_drm
1122     with_asm_arch = 'aarch64'
1123     pre_args += ['-DUSE_AARCH64_ASM']
1124   endif
1125 elif host_machine.cpu_family() == 'sparc64'
1126   if system_has_kms_drm
1127     with_asm_arch = 'sparc'
1128     pre_args += ['-DUSE_SPARC_ASM']
1129   endif
1130 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1131   if system_has_kms_drm
1132     with_asm_arch = 'ppc64le'
1133     pre_args += ['-DUSE_PPC64LE_ASM']
1134   endif
1135 endif
1136
1137 # Check for standard headers and functions
1138 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1139   cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1140   cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1141   pre_args += '-DMAJOR_IN_SYSMACROS'
1142 endif
1143 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1144   cc.has_header_symbol('sys/mkdev.h', 'minor') and
1145   cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1146   pre_args += '-DMAJOR_IN_MKDEV'
1147 endif
1148
1149 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1150   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1151     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1152   endif
1153 endforeach
1154
1155 foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r', 'flock', 'strtok_r']
1156   if cc.has_function(f)
1157     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1158   endif
1159 endforeach
1160
1161 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1162                         args : '-D_GNU_SOURCE')
1163    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1164 elif with_tools.contains('intel')
1165   error('Intel tools require the program_invocation_name variable')
1166 endif
1167
1168 # MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1169 # This means that this check will succeed, but then compilation will later
1170 # fail. MSVC doesn't have this function at all, so only check for it on
1171 # non-windows platforms.
1172 if host_machine.system() != 'windows'
1173   if cc.has_function('posix_memalign')
1174     pre_args += '-DHAVE_POSIX_MEMALIGN'
1175   endif
1176 endif
1177
1178 if cc.has_member('struct dirent', 'd_type', prefix: '''#include <sys/types.h>
1179    #include <dirent.h>''')
1180    pre_args += '-DHAVE_DIRENT_D_TYPE'
1181 endif
1182
1183 # strtod locale support
1184 if cc.links('''
1185     #define _GNU_SOURCE
1186     #include <stdlib.h>
1187     #include <locale.h>
1188     #ifdef HAVE_XLOCALE_H
1189     #include <xlocale.h>
1190     #endif
1191     int main() {
1192       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1193       const char *s = "1.0";
1194       char *end;
1195       double d = strtod_l(s, end, loc);
1196       float f = strtof_l(s, end, loc);
1197       freelocale(loc);
1198       return 0;
1199     }''',
1200     args : pre_args,
1201     name : 'strtod has locale support')
1202   pre_args += '-DHAVE_STRTOD_L'
1203 endif
1204
1205 # Check for some linker flags
1206 ld_args_bsymbolic = []
1207 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1208   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1209 endif
1210 ld_args_gc_sections = []
1211 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1212             args : '-Wl,--gc-sections', name : 'gc-sections')
1213   ld_args_gc_sections += '-Wl,--gc-sections'
1214 endif
1215 with_ld_version_script = false
1216 if cc.links('int main() { return 0; }',
1217             args : '-Wl,--version-script=@0@'.format(
1218               join_paths(meson.source_root(), 'build-support/conftest.map')),
1219             name : 'version-script')
1220   with_ld_version_script = true
1221 endif
1222 with_ld_dynamic_list = false
1223 if cc.links('int main() { return 0; }',
1224             args : '-Wl,--dynamic-list=@0@'.format(
1225               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1226             name : 'dynamic-list')
1227   with_ld_dynamic_list = true
1228 endif
1229
1230 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1231
1232 # check for dl support
1233 dep_dl = null_dep
1234 if not cc.has_function('dlopen')
1235   dep_dl = cc.find_library('dl', required : host_machine.system() != 'windows')
1236 endif
1237 if cc.has_function('dladdr', dependencies : dep_dl)
1238   # This is really only required for megadrivers
1239   pre_args += '-DHAVE_DLADDR'
1240 endif
1241
1242 if cc.has_function('dl_iterate_phdr')
1243   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1244 elif with_intel_vk
1245   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1246 elif with_dri_i965 and with_shader_cache
1247   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1248 endif
1249
1250 # Determine whether or not the rt library is needed for time functions
1251 if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1252   dep_clock = null_dep
1253 else
1254   dep_clock = cc.find_library('rt')
1255 endif
1256
1257 # TODO: some of these may be conditional
1258 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1259 pre_args += '-DHAVE_ZLIB'
1260
1261 _zstd = get_option('zstd')
1262 if _zstd != 'false'
1263   dep_zstd = dependency('libzstd', required : _zstd == 'true')
1264   if dep_zstd.found()
1265     pre_args += '-DHAVE_ZSTD'
1266   endif
1267 else
1268   dep_zstd = null_dep
1269 endif
1270
1271 dep_thread = dependency('threads')
1272 if dep_thread.found() and host_machine.system() != 'windows'
1273   pre_args += '-DHAVE_PTHREAD'
1274   if cc.has_function(
1275       'pthread_setaffinity_np',
1276       dependencies : dep_thread,
1277       prefix : '#include <pthread.h>',
1278       args : '-D_GNU_SOURCE')
1279     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1280   endif
1281   if cc.has_function(
1282       'pthread_setaffinity_np',
1283       dependencies : dep_thread,
1284       prefix : '#include <pthread_np.h>')
1285     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1286   endif
1287 endif
1288 if host_machine.system() != 'windows'
1289   dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1290 else
1291   dep_expat = null_dep
1292 endif
1293 # this only exists on linux so either this is linux and it will be found, or
1294 # it's not linux and wont
1295 dep_m = cc.find_library('m', required : false)
1296
1297 # Check for libdrm. Various drivers have different libdrm version requirements,
1298 # but we always want to use the same version for all libdrm modules. That means
1299 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1300 # bar are both on use 2.4.3 for both of them
1301 dep_libdrm_amdgpu = null_dep
1302 dep_libdrm_radeon = null_dep
1303 dep_libdrm_nouveau = null_dep
1304 dep_libdrm_intel = null_dep
1305
1306 _drm_amdgpu_ver = '2.4.100'
1307 _drm_radeon_ver = '2.4.71'
1308 _drm_nouveau_ver = '2.4.66'
1309 _drm_intel_ver = '2.4.75'
1310 _drm_ver = '2.4.81'
1311
1312 _libdrm_checks = [
1313   ['intel', with_dri_i915 or with_gallium_i915],
1314   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1315   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1316               with_gallium_r300 or with_gallium_r600)],
1317   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1318 ]
1319
1320 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1321 # library.
1322 if with_gallium_vc4
1323   _drm_ver = '2.4.89'
1324 endif
1325
1326 # etnaviv only needs core libdrm
1327 if with_gallium_etnaviv
1328   _drm_ver = '2.4.89'
1329 endif
1330
1331 # Loop over the enables versions and get the highest libdrm requirement for all
1332 # active drivers.
1333 _drm_blame = ''
1334 foreach d : _libdrm_checks
1335   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1336   if d[1] and ver.version_compare('>' + _drm_ver)
1337     _drm_ver = ver
1338     _drm_blame = d[0]
1339   endif
1340 endforeach
1341 if _drm_blame != ''
1342   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1343 endif
1344
1345 # Then get each libdrm module
1346 foreach d : _libdrm_checks
1347   if d[1]
1348     set_variable(
1349       'dep_libdrm_' + d[0],
1350       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1351     )
1352   endif
1353 endforeach
1354
1355 with_gallium_drisw_kms = false
1356 dep_libdrm = dependency(
1357   'libdrm', version : '>=' + _drm_ver,
1358   # GNU/Hurd includes egl_dri2, without drm.
1359   required : (with_dri2 and host_machine.system() != 'gnu') or with_dri3
1360 )
1361 if dep_libdrm.found()
1362   pre_args += '-DHAVE_LIBDRM'
1363   if with_dri_platform == 'drm' and with_dri
1364     with_gallium_drisw_kms = true
1365   endif
1366 endif
1367
1368 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
1369 llvm_optional_modules = ['coroutines']
1370 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1371   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1372   if with_gallium_r600
1373     llvm_modules += 'asmparser'
1374   endif
1375 endif
1376 if with_gallium_opencl
1377   llvm_modules += [
1378     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1379     'lto', 'option', 'objcarcopts', 'profiledata',
1380   ]
1381 endif
1382
1383 if with_amd_vk or with_gallium_radeonsi
1384   _llvm_version = '>= 8.0.0'
1385 elif with_gallium_swr
1386   _llvm_version = '>= 6.0.0'
1387 else
1388   _llvm_version = '>= 3.9.0'
1389 endif
1390
1391 _shared_llvm = get_option('shared-llvm')
1392 _llvm = get_option('llvm')
1393
1394 # The cmake method will never find libllvm.so|dylib; this is fine for windows
1395 # because llvm doesn't support libllvm.dll
1396 _llvm_method = 'config-tool'
1397 if (meson.version().version_compare('>= 0.51.0') and
1398     host_machine.system() == 'windows')
1399   _llvm_method = 'cmake'
1400 endif
1401
1402 dep_llvm = null_dep
1403 with_llvm = false
1404 if _llvm != 'false'
1405   dep_llvm = dependency(
1406     'llvm',
1407     version : _llvm_version,
1408     modules : llvm_modules,
1409     optional_modules : llvm_optional_modules,
1410     required : (
1411       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1412       with_gallium_opencl or _llvm == 'true'
1413     ),
1414     static : not _shared_llvm,
1415     method : _llvm_method,
1416     fallback : ['llvm', 'dep_llvm'],
1417   )
1418   with_llvm = dep_llvm.found()
1419 endif
1420 if with_llvm
1421   pre_args += '-DLLVM_AVAILABLE'
1422   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1423
1424   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1425   # programs, so we need to build all C++ code in mesa without rtti as well to
1426   # ensure that linking works.
1427   #
1428   # In meson 0.51.0 we can use cmake to find LLVM in addittion to meson's
1429   # builtin llvm-config based finder. A new generic variable getter method
1430   # has also been added, so we'll use that if we can, to cover the cmake case.
1431   if dep_llvm.type_name() == 'internal'
1432     _rtti = subproject('llvm').get_variable('has_rtti', true)
1433   elif meson.version().version_compare('>=0.51')
1434     # The CMake finder will return 'ON', the llvm-config will return 'YES'
1435     _rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1436   else
1437     _rtti = dep_llvm.get_configtool_variable('has-rtti') == 'YES'
1438   endif
1439   if not _rtti
1440     if with_gallium_nouveau
1441       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1442     elif with_gallium_opencl
1443       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1444     endif
1445     if cc.get_id() == 'msvc'
1446       cpp_args += '/GR-'
1447     else
1448       cpp_args += '-fno-rtti'
1449     endif
1450   endif
1451 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1452   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1453 elif with_gallium_opencl
1454   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1455 endif
1456
1457 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1458     (with_gallium_r600 and with_llvm))
1459   dep_elf = dependency('libelf', required : false)
1460   if not dep_elf.found()
1461     dep_elf = cc.find_library('elf')
1462   endif
1463 else
1464   dep_elf = null_dep
1465 endif
1466
1467 dep_glvnd = null_dep
1468 if with_glvnd
1469   dep_glvnd = dependency('libglvnd', version : '>= 1.2.0')
1470   pre_args += '-DUSE_LIBGLVND=1'
1471 endif
1472
1473 if with_valgrind != 'false'
1474   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1475   if dep_valgrind.found()
1476     pre_args += '-DHAVE_VALGRIND'
1477   endif
1478 else
1479   dep_valgrind = null_dep
1480 endif
1481
1482 # pthread stubs. Lets not and say we didn't
1483
1484 if host_machine.system() == 'windows'
1485   # Prefer the winflexbison versions, they're much easier to install and have
1486   # better windows support.
1487
1488   prog_flex = find_program('win_flex', required : false)
1489   if prog_flex.found()
1490     # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1491     # _fileno functions)
1492     prog_flex = [prog_flex, '--wincompat']
1493   else
1494     prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1495   endif
1496   # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1497   # __STDC__ macro to determine whether it's safe to use const keyword, but
1498   # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1499   prog_flex += '-DYY_USE_CONST='
1500
1501   prog_bison = find_program('win_bison', required : false)
1502   if not prog_bison.found()
1503     prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1504   endif
1505 else
1506   prog_bison = find_program('bison', required : with_any_opengl)
1507   prog_flex = find_program('flex', required : with_any_opengl)
1508 endif
1509
1510 dep_selinux = null_dep
1511 if get_option('selinux')
1512   dep_selinux = dependency('libselinux')
1513   pre_args += '-DMESA_SELINUX'
1514 endif
1515
1516 if with_libunwind != 'false'
1517   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1518   if dep_unwind.found()
1519     pre_args += '-DHAVE_LIBUNWIND'
1520   endif
1521 else
1522   dep_unwind = null_dep
1523 endif
1524
1525 if with_osmesa != 'none'
1526   if with_osmesa == 'gallium' and not with_gallium_softpipe
1527     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1528   endif
1529   if host_machine.system() == 'windows'
1530     osmesa_lib_name = 'osmesa'
1531   else
1532     osmesa_lib_name = 'OSMesa'
1533   endif
1534   osmesa_bits = get_option('osmesa-bits')
1535   if osmesa_bits != '8'
1536     if with_dri or with_glx != 'disabled'
1537       error('OSMesa bits must be 8 if building glx or dir based drivers')
1538     endif
1539     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1540     pre_args += [
1541       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1542     ]
1543   endif
1544 endif
1545
1546 # TODO: symbol mangling
1547
1548 if with_platform_wayland
1549   dep_wl_scanner = dependency('wayland-scanner', native: true)
1550   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1551   if dep_wl_scanner.version().version_compare('>= 1.15')
1552     wl_scanner_arg = 'private-code'
1553   else
1554     wl_scanner_arg = 'code'
1555   endif
1556   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1557   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1558   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1559   if with_egl
1560     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1561     dep_wayland_egl_headers = declare_dependency(
1562       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1563   endif
1564   wayland_dmabuf_xml = join_paths(
1565     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1566     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1567   )
1568   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1569 endif
1570
1571 dep_x11 = null_dep
1572 dep_xext = null_dep
1573 dep_xdamage = null_dep
1574 dep_xfixes = null_dep
1575 dep_x11_xcb = null_dep
1576 dep_xcb = null_dep
1577 dep_xcb_glx = null_dep
1578 dep_xcb_dri2 = null_dep
1579 dep_xcb_dri3 = null_dep
1580 dep_dri2proto = null_dep
1581 dep_glproto = null_dep
1582 dep_xxf86vm = null_dep
1583 dep_xcb_dri3 = null_dep
1584 dep_xcb_present = null_dep
1585 dep_xcb_sync = null_dep
1586 dep_xcb_xfixes = null_dep
1587 dep_xshmfence = null_dep
1588 dep_xcb_xrandr = null_dep
1589 dep_xlib_xrandr = null_dep
1590 if with_platform_x11
1591   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1592     dep_x11 = dependency('x11')
1593     dep_xext = dependency('xext')
1594     dep_xcb = dependency('xcb')
1595   elif with_glx == 'dri'
1596     dep_x11 = dependency('x11')
1597     dep_xext = dependency('xext')
1598     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1599     dep_xfixes = dependency('xfixes')
1600     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1601   endif
1602   if (with_any_vk or with_glx == 'dri' or with_egl or
1603        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1604         with_gallium_omx != 'disabled'))
1605     dep_xcb = dependency('xcb')
1606     dep_x11_xcb = dependency('x11-xcb')
1607     if with_dri_platform == 'drm' and not dep_libdrm.found()
1608       error('libdrm required for gallium video statetrackers when using x11')
1609     endif
1610   endif
1611   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1612     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1613
1614     if with_dri3
1615       pre_args += '-DHAVE_DRI3'
1616       dep_xcb_dri3 = dependency('xcb-dri3')
1617       dep_xcb_present = dependency('xcb-present')
1618       # until xcb-dri3 has been around long enough to make a hard-dependency:
1619       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1620           dep_xcb_present.version().version_compare('>= 1.13'))
1621         pre_args += '-DHAVE_DRI3_MODIFIERS'
1622       endif
1623       dep_xcb_sync = dependency('xcb-sync')
1624       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1625     endif
1626   endif
1627   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1628     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1629   endif
1630   if with_glx == 'dri'
1631     if with_dri_platform == 'drm'
1632       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1633       dep_xxf86vm = dependency('xxf86vm')
1634     endif
1635   endif
1636   if (with_egl or (
1637       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1638       with_gallium_omx != 'disabled'))
1639     dep_xcb_xfixes = dependency('xcb-xfixes')
1640   endif
1641   if with_xlib_lease
1642     dep_xcb_xrandr = dependency('xcb-randr')
1643     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1644   endif
1645 endif
1646
1647 if get_option('gallium-extra-hud')
1648   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1649 endif
1650
1651 _sensors = get_option('lmsensors')
1652 if _sensors != 'false'
1653   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1654   if dep_lmsensors.found()
1655     pre_args += '-DHAVE_LIBSENSORS=1'
1656   endif
1657 else
1658   dep_lmsensors = null_dep
1659 endif
1660
1661 foreach a : pre_args
1662   add_project_arguments(a, language : ['c', 'cpp'])
1663 endforeach
1664 foreach a : c_args
1665   add_project_arguments(a, language : ['c'])
1666 endforeach
1667 foreach a : cpp_args
1668   add_project_arguments(a, language : ['cpp'])
1669 endforeach
1670
1671 gl_priv_reqs = []
1672
1673 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1674   gl_priv_reqs += ['x11', 'xext', 'xcb']
1675 elif with_glx == 'dri'
1676   gl_priv_reqs += [
1677     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1678     'xcb-glx >= 1.8.1']
1679   if with_dri_platform == 'drm'
1680     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1681     gl_priv_reqs += 'xxf86vm'
1682   endif
1683 endif
1684 if dep_libdrm.found()
1685   gl_priv_reqs += 'libdrm >= 2.4.75'
1686 endif
1687
1688 gl_priv_libs = []
1689 if dep_thread.found()
1690   gl_priv_libs += ['-lpthread', '-pthread']
1691 endif
1692 if dep_m.found()
1693   gl_priv_libs += '-lm'
1694 endif
1695 if dep_dl.found()
1696   gl_priv_libs += '-ldl'
1697 endif
1698
1699 pkg = import('pkgconfig')
1700
1701 if host_machine.system() == 'windows'
1702   prog_dumpbin = find_program('dumpbin', required : false)
1703   with_symbols_check = prog_dumpbin.found() and with_tests
1704   symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
1705 else
1706   prog_nm = find_program('nm')
1707   with_symbols_check = with_tests
1708   symbols_check_args = ['--nm', prog_nm.path()]
1709 endif
1710
1711 # This quirk needs to be applied to sources with functions defined in assembly
1712 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1713 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1714
1715 subdir('include')
1716 subdir('bin')
1717 subdir('src')
1718
1719 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1720 # formatting below unless the first argument is passed as a variable. This has
1721 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1722 # for backwards compatibility.
1723 _with_opengl_string = with_opengl ? 'yes' : 'no'
1724
1725 lines = ['',
1726   'prefix:          ' + get_option('prefix'),
1727   'libdir:          ' + get_option('libdir'),
1728   'includedir:      ' + get_option('includedir'),
1729   '',
1730   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1731                                                     with_gles1 ? 'yes' : 'no',
1732                                                     with_gles2 ? 'yes' : 'no'),
1733 ]
1734
1735 if with_osmesa != 'none'
1736   lines += ''
1737   suffix = ''
1738   if with_osmesa == 'gallium'
1739     suffix = '(Gallium)'
1740   endif
1741   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1742 else
1743   lines += 'OSMesa:          no'
1744 endif
1745
1746 if with_dri
1747   lines += ''
1748   lines += 'DRI platform:    ' + with_dri_platform
1749   if dri_drivers.length() != 0 and dri_drivers != ['']
1750     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1751   else
1752     lines += 'DRI drivers:     no'
1753   endif
1754   lines += 'DRI driver dir:  ' + dri_drivers_path
1755 endif
1756
1757 if with_glx != 'disabled'
1758   lines += ''
1759   if with_glx == 'dri'
1760     lines += 'GLX:             DRI-based'
1761   elif with_glx == 'xlib'
1762     lines += 'GLX:             Xlib-based'
1763   elif with_glx == 'gallium-xlib'
1764     lines += 'GLX:             Xlib-based (Gallium)'
1765   else
1766     lines += 'GLX:             ' + with_glx
1767   endif
1768 endif
1769
1770 lines += ''
1771 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1772 if with_egl
1773   egl_drivers = []
1774   if with_dri
1775     egl_drivers += 'builtin:egl_dri2'
1776   endif
1777   if with_dri3
1778     egl_drivers += 'builtin:egl_dri3'
1779   endif
1780   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1781 endif
1782 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1783 if with_platforms
1784   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1785 endif
1786
1787 lines += ''
1788 if with_any_vk
1789   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1790   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1791 else
1792   lines += 'Vulkan drivers:  no'
1793 endif
1794
1795 lines += ''
1796 if with_llvm
1797   lines += 'llvm:            yes'
1798   lines += 'llvm-version:    ' + dep_llvm.version()
1799 else
1800   lines += 'llvm:            no'
1801 endif
1802
1803 lines += ''
1804 if with_gallium
1805   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1806   gallium_st = ['mesa']
1807   if with_gallium_xa
1808     gallium_st += 'xa'
1809   endif
1810   if with_gallium_xvmc
1811     gallium_st += 'xvmc'
1812   endif
1813   if with_gallium_xvmc
1814     gallium_st += 'xvmc'
1815   endif
1816   if with_gallium_vdpau
1817     gallium_st += 'vdpau'
1818   endif
1819   if with_gallium_omx != 'disabled'
1820     gallium_st += 'omx' + with_gallium_omx
1821   endif
1822   if with_gallium_va
1823     gallium_st += 'va'
1824   endif
1825   if with_gallium_st_nine
1826     gallium_st += 'nine'
1827   endif
1828   if with_gallium_opencl
1829     gallium_st += 'clover'
1830   endif
1831   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1832 else
1833   lines += 'Gallium:         no'
1834 endif
1835
1836 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1837
1838 lines += ''
1839 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1840
1841
1842 indent = '        '
1843 summary = indent + ('\n' + indent).join(lines)
1844 message('Configuration summary:\n@0@\n'.format(summary))