meson.build

   1 # Copyright © 2017-2019 Intel Corporation
   2
   3 # Permission is hereby granted, free of charge, to any person obtaining a copy
   4 # of this software and associated documentation files (the "Software"), to deal
   5 # in the Software without restriction, including without limitation the rights
   6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7 # copies of the Software, and to permit persons to whom the Software is
   8 # furnished to do so, subject to the following conditions:
   9
  10 # The above copyright notice and this permission notice shall be included in
  11 # all copies or substantial portions of the Software.
  12
  13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  19 # SOFTWARE.
  20
  21 project(
  22   'mesa',
  23   ['c', 'cpp'],
  24   version : run_command(
  25     [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
  26   ).stdout(),
  27   license : 'MIT',
  28   meson_version : '>= 0.46',
  29   default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++14']
  30 )
  31
  32 cc = meson.get_compiler('c')
  33 cpp = meson.get_compiler('cpp')
  34
  35 null_dep = dependency('', required : false)
  36
  37 # Arguments for the preprocessor, put these in a separate array from the C and
  38 # C++ (cpp in meson terminology) arguments since they need to be added to the
  39 # default arguments for both C and C++.
  40 pre_args = [
  41   '-D__STDC_CONSTANT_MACROS',
  42   '-D__STDC_FORMAT_MACROS',
  43   '-D__STDC_LIMIT_MACROS',
  44   '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
  45   '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/issues"',
  46 ]
  47
  48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  49 with_tests = get_option('build-tests')
  50 with_valgrind = get_option('valgrind')
  51 with_libunwind = get_option('libunwind')
  52 with_glx_read_only_text = get_option('glx-read-only-text')
  53 with_glx_direct = get_option('glx-direct')
  54 with_osmesa = get_option('osmesa')
  55 with_swr_arches = get_option('swr-arches')
  56 with_tools = get_option('tools')
  57 if with_tools.contains('all')
  58   with_tools = [
  59     'drm-shim',
  60     'etnaviv',
  61     'freedreno',
  62     'glsl',
  63     'intel',
  64     'intel-ui',
  65     'lima',
  66     'nir',
  67     'nouveau',
  68     'xvmc',
  69   ]
  70 endif
  71
  72 dri_drivers_path = get_option('dri-drivers-path')
  73 if dri_drivers_path == ''
  74   dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
  75 endif
  76 dri_search_path = get_option('dri-search-path')
  77 if dri_search_path == ''
  78   dri_search_path = dri_drivers_path
  79 endif
  80
  81 with_gles1 = get_option('gles1')
  82 with_gles2 = get_option('gles2')
  83 if host_machine.system() == 'windows'
  84   if with_gles1 == 'auto'
  85     with_gles1 = 'false'
  86   endif
  87   if with_gles2 == 'auto'
  88     with_gles2 = 'false'
  89   endif
  90 endif
  91 with_opengl = get_option('opengl')
  92
  93 # Default shared glapi off for windows, on elsewhere.
  94 _sg = get_option('shared-glapi')
  95 if _sg == 'auto'
  96   with_shared_glapi = host_machine.system() != 'windows'
  97 else
  98   with_shared_glapi = _sg == 'true'
  99 endif
 100
 101 # shared-glapi is required if at least two OpenGL APIs are being built
 102 if not with_shared_glapi
 103   if ((with_gles1 == 'true' and with_gles2 == 'true') or
 104       (with_gles1 == 'true' and with_opengl) or
 105       (with_gles2 == 'true' and with_opengl))
 106     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
 107   endif
 108   with_gles1 = 'false'
 109   with_gles2 = 'false'
 110 endif
 111
 112 # We require OpenGL for OpenGL ES
 113 if not with_opengl
 114   if (with_gles1 == 'true' or with_gles2 == 'true') and not with_opengl
 115     error('building OpenGL ES without OpenGL is not supported.')
 116   endif
 117   with_gles1 = 'false'
 118   with_gles2 = 'false'
 119 endif
 120
 121 with_gles1 = with_gles1 != 'false'
 122 with_gles2 = with_gles2 != 'false'
 123 with_any_opengl = with_opengl or with_gles1 or with_gles2
 124 # Only build shared_glapi if at least one OpenGL API is enabled
 125 with_shared_glapi = with_shared_glapi and with_any_opengl
 126
 127 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux', 'sunos'].contains(host_machine.system())
 128
 129 dri_drivers = get_option('dri-drivers')
 130 if dri_drivers.contains('auto')
 131   if system_has_kms_drm
 132     # TODO: PPC, Sparc
 133     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 134       dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 135     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 136       dri_drivers = []
 137     else
 138       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 139             host_machine.cpu_family()))
 140     endif
 141   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 142     # only swrast would make sense here, but gallium swrast is a much better default
 143     dri_drivers = []
 144   else
 145     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 146           host_machine.system()))
 147   endif
 148 endif
 149
 150 with_dri_i915 = dri_drivers.contains('i915')
 151 with_dri_i965 = dri_drivers.contains('i965')
 152 with_dri_r100 = dri_drivers.contains('r100')
 153 with_dri_r200 = dri_drivers.contains('r200')
 154 with_dri_nouveau = dri_drivers.contains('nouveau')
 155 with_dri_swrast = dri_drivers.contains('swrast')
 156
 157 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
 158
 159 gallium_drivers = get_option('gallium-drivers')
 160 if gallium_drivers.contains('auto')
 161   if system_has_kms_drm
 162     # TODO: PPC, Sparc
 163     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 164       gallium_drivers = [
 165         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 166       ]
 167     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 168       gallium_drivers = [
 169         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 170         'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
 171       ]
 172     else
 173       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 174             host_machine.cpu_family()))
 175     endif
 176   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 177     gallium_drivers = ['swrast']
 178   else
 179     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 180           host_machine.system()))
 181   endif
 182 endif
 183 with_gallium_kmsro = gallium_drivers.contains('kmsro')
 184 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
 185 with_gallium_r300 = gallium_drivers.contains('r300')
 186 with_gallium_r600 = gallium_drivers.contains('r600')
 187 with_gallium_nouveau = gallium_drivers.contains('nouveau')
 188 with_gallium_freedreno = gallium_drivers.contains('freedreno')
 189 with_gallium_softpipe = gallium_drivers.contains('swrast')
 190 with_gallium_vc4 = gallium_drivers.contains('vc4')
 191 with_gallium_v3d = gallium_drivers.contains('v3d')
 192 with_gallium_panfrost = gallium_drivers.contains('panfrost')
 193 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
 194 with_gallium_tegra = gallium_drivers.contains('tegra')
 195 with_gallium_iris = gallium_drivers.contains('iris')
 196 with_gallium_i915 = gallium_drivers.contains('i915')
 197 with_gallium_svga = gallium_drivers.contains('svga')
 198 with_gallium_virgl = gallium_drivers.contains('virgl')
 199 with_gallium_swr = gallium_drivers.contains('swr')
 200 with_gallium_lima = gallium_drivers.contains('lima')
 201 with_gallium_zink = gallium_drivers.contains('zink')
 202
 203 if cc.get_id().startswith('intel') and meson.version().version_compare('< 0.49.1')
 204   error('Meson does not have sufficient support of ICC before 0.49.1 to compile mesa')
 205 endif
 206
 207 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 208
 209 if with_gallium and system_has_kms_drm
 210   _glx = get_option('glx')
 211   _egl = get_option('egl')
 212   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 213     with_dri = true
 214   endif
 215 endif
 216
 217 _vulkan_drivers = get_option('vulkan-drivers')
 218 if _vulkan_drivers.contains('auto')
 219   if system_has_kms_drm
 220     if host_machine.cpu_family().startswith('x86')
 221       _vulkan_drivers = ['amd', 'intel']
 222     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 223       _vulkan_drivers = []
 224     else
 225       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 226             host_machine.cpu_family()))
 227     endif
 228   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 229     # No vulkan driver supports windows or macOS currently
 230     _vulkan_drivers = []
 231   else
 232     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 233           host_machine.system()))
 234   endif
 235 endif
 236
 237 with_intel_vk = _vulkan_drivers.contains('intel')
 238 with_amd_vk = _vulkan_drivers.contains('amd')
 239 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 240 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 241
 242 if with_freedreno_vk and get_option('I-love-half-baked-turnips') != true
 243   error('Cannot enable freedreno vulkan driver')
 244 endif
 245
 246 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 247   error('Only one swrast provider can be built')
 248 endif
 249 if with_dri_i915 and with_gallium_i915
 250   error('Only one i915 provider can be built')
 251 endif
 252 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)
 253   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
 254 endif
 255 if with_gallium_tegra and not with_gallium_nouveau
 256   error('tegra driver requires nouveau driver')
 257 endif
 258
 259 if host_machine.system() == 'darwin'
 260   with_dri_platform = 'apple'
 261   pre_args += '-DBUILDING_MESA'
 262 elif ['windows', 'cygwin'].contains(host_machine.system())
 263   with_dri_platform = 'windows'
 264 elif system_has_kms_drm
 265   with_dri_platform = 'drm'
 266 else
 267   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 268   # assert here that one of those cases has been met.
 269   # FIXME: illumos ends up here as well
 270   with_dri_platform = 'none'
 271 endif
 272
 273 _platforms = get_option('platforms')
 274 if _platforms.contains('auto')
 275   if system_has_kms_drm
 276     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 277   elif ['darwin', 'cygwin'].contains(host_machine.system())
 278     _platforms = ['x11', 'surfaceless']
 279   elif ['haiku'].contains(host_machine.system())
 280     _platforms = ['haiku']
 281   elif host_machine.system() == 'windows'
 282     _platforms = ['windows']
 283   else
 284     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 285           host_machine.system()))
 286   endif
 287 endif
 288
 289 with_platform_android = _platforms.contains('android')
 290 with_platform_x11 = _platforms.contains('x11')
 291 with_platform_wayland = _platforms.contains('wayland')
 292 with_platform_drm = _platforms.contains('drm')
 293 with_platform_haiku = _platforms.contains('haiku')
 294 with_platform_surfaceless = _platforms.contains('surfaceless')
 295 with_platform_windows = _platforms.contains('windows')
 296
 297 with_platforms = false
 298 if _platforms.length() != 0 and _platforms != ['']
 299   # sanity check that list contains no empty strings
 300   if _platforms.contains('')
 301     error('Invalid argument list given to -Dplatforms, please fix.')
 302   endif
 303   with_platforms = true
 304   egl_native_platform = _platforms[0]
 305 endif
 306
 307 _xlib_lease = get_option('xlib-lease')
 308 if _xlib_lease == 'auto'
 309   with_xlib_lease = with_platform_x11 and with_platform_drm
 310 else
 311   with_xlib_lease = _xlib_lease == 'true'
 312 endif
 313
 314 with_glx = get_option('glx')
 315 if with_glx == 'auto'
 316   if with_dri
 317     with_glx = 'dri'
 318   elif with_platform_haiku
 319     with_glx = 'disabled'
 320   elif host_machine.system() == 'windows'
 321     with_glx = 'disabled'
 322   elif with_gallium
 323     # Even when building just gallium drivers the user probably wants dri
 324     with_glx = 'dri'
 325   elif with_platform_x11 and with_any_opengl and not with_any_vk
 326     # The automatic behavior should not be to turn on xlib based glx when
 327     # building only vulkan drivers
 328     with_glx = 'xlib'
 329   else
 330     with_glx = 'disabled'
 331   endif
 332 endif
 333 if with_glx == 'dri'
 334    if with_gallium
 335       with_dri = true
 336    endif
 337 endif
 338
 339 if not (with_dri or with_gallium or with_glx != 'disabled')
 340   with_gles1 = false
 341   with_gles2 = false
 342   with_opengl = false
 343   with_any_opengl = false
 344   with_shared_glapi = false
 345 endif
 346
 347 _gbm = get_option('gbm')
 348 if _gbm == 'auto'
 349   with_gbm = system_has_kms_drm and with_dri
 350 else
 351   with_gbm = _gbm == 'true'
 352 endif
 353 if with_gbm and not system_has_kms_drm
 354   error('GBM only supports DRM/KMS platforms')
 355 endif
 356
 357 _egl = get_option('egl')
 358 if _egl == 'auto'
 359   with_egl = (
 360     not ['darwin', 'windows'].contains(host_machine.system()) and
 361     with_dri and with_shared_glapi and with_platforms
 362   )
 363 elif _egl == 'true'
 364   if not with_dri
 365     error('EGL requires dri')
 366   elif not with_shared_glapi
 367     error('EGL requires shared-glapi')
 368   elif not with_platforms
 369     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 370   elif not ['disabled', 'dri'].contains(with_glx)
 371     error('EGL requires dri, but a GLX is being built without dri')
 372   elif ['darwin', 'windows'].contains(host_machine.system())
 373     error('EGL is not available on Windows or MacOS')
 374   endif
 375   with_egl = true
 376 else
 377   with_egl = false
 378 endif
 379
 380 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
 381   if with_gallium_radeonsi
 382     error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
 383   endif
 384   if with_gallium_virgl
 385     error('Virgl requires the drm, surfaceless or android platform when using EGL')
 386   endif
 387 endif
 388
 389 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
 390 if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
 391   pre_args += '-DUSE_ELF_TLS'
 392 endif
 393
 394 if with_glx != 'disabled'
 395   if not (with_platform_x11 and with_any_opengl)
 396     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 397   elif with_glx == 'gallium-xlib'
 398     if not with_gallium
 399       error('Gallium-xlib based GLX requires at least one gallium driver')
 400     elif not with_gallium_softpipe
 401       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 402     elif with_dri
 403       error('gallium-xlib conflicts with any dri driver')
 404     endif
 405   elif with_glx == 'xlib'
 406     if with_dri
 407       error('xlib conflicts with any dri driver')
 408     endif
 409   elif with_glx == 'dri'
 410     if not with_shared_glapi
 411       error('dri based GLX requires shared-glapi')
 412     endif
 413   endif
 414 endif
 415
 416 with_glvnd = get_option('glvnd')
 417 if with_glvnd
 418   if with_platform_windows
 419     error('glvnd cannot be used on Windows')
 420   elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
 421     error('Cannot build glvnd support for GLX that is not DRI based.')
 422   elif with_glx == 'disabled' and not with_egl
 423     error('glvnd requires DRI based GLX and/or EGL')
 424   endif
 425   if get_option('egl-lib-suffix') != ''
 426     error('''EGL lib suffix can't be used with libglvnd''')
 427   endif
 428 endif
 429
 430 if with_vulkan_icd_dir == ''
 431   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 432 endif
 433
 434 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
 435   host_machine.system() == 'gnu')
 436 _dri3 = get_option('dri3')
 437 if _dri3 == 'auto'
 438   with_dri3 = system_has_kms_drm and with_dri2
 439 else
 440   with_dri3 = _dri3 == 'true'
 441 endif
 442
 443 if with_any_vk and (with_platform_x11 and not with_dri3)
 444   error('Vulkan drivers require dri3 for X11 support')
 445 endif
 446 if with_dri
 447   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 448     error('building dri drivers require at least one windowing system or classic osmesa')
 449   endif
 450 endif
 451
 452 prog_pkgconfig = find_program('pkg-config')
 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 = declare_dependency(
 481       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 482     )
 483     with_gallium_vdpau = true
 484   endif
 485 endif
 486
 487 if with_gallium_vdpau
 488   pre_args += '-DHAVE_ST_VDPAU'
 489 endif
 490 vdpau_drivers_path = get_option('vdpau-libs-path')
 491 if vdpau_drivers_path == ''
 492   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 493 endif
 494
 495 if with_gallium_zink
 496   dep_vulkan = dependency('vulkan')
 497 endif
 498
 499 _xvmc = get_option('gallium-xvmc')
 500 if not system_has_kms_drm
 501   if _xvmc == 'true'
 502     error('XVMC state tracker can only be build on unix-like OSes.')
 503   else
 504     _xvmc = 'false'
 505   endif
 506 elif not with_platform_x11
 507   if _xvmc == 'true'
 508     error('XVMC state tracker requires X11 support.')
 509   else
 510     _xvmc = 'false'
 511   endif
 512 elif not (with_gallium_r600 or with_gallium_nouveau)
 513   if _xvmc == 'true'
 514     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 515   else
 516     _xvmc = 'false'
 517   endif
 518 endif
 519 dep_xvmc = null_dep
 520 dep_xv = null_dep
 521 with_gallium_xvmc = false
 522 if _xvmc != 'false'
 523   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 524   dep_xv = dependency('xv', required : _xvmc == 'true')
 525   with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
 526 endif
 527
 528 xvmc_drivers_path = get_option('xvmc-libs-path')
 529 if xvmc_drivers_path == ''
 530   xvmc_drivers_path = get_option('libdir')
 531 endif
 532
 533 _omx = get_option('gallium-omx')
 534 if not system_has_kms_drm
 535   if ['auto', 'disabled'].contains(_omx)
 536     _omx = 'disabled'
 537   else
 538     error('OMX state tracker can only be built on unix-like OSes.')
 539   endif
 540 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 541   if ['auto', 'disabled'].contains(_omx)
 542     _omx = 'disabled'
 543   else
 544     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 545   endif
 546 endif
 547 with_gallium_omx = _omx
 548 dep_omx = null_dep
 549 dep_omx_other = []
 550 if ['auto', 'bellagio'].contains(_omx)
 551   dep_omx = dependency(
 552     'libomxil-bellagio', required : _omx == 'bellagio'
 553   )
 554   if dep_omx.found()
 555     with_gallium_omx = 'bellagio'
 556   endif
 557 endif
 558 if ['auto', 'tizonia'].contains(_omx)
 559   if with_dri and with_egl
 560     dep_omx = dependency(
 561       'libtizonia', version : '>= 0.10.0',
 562       required : _omx == 'tizonia',
 563     )
 564     dep_omx_other = [
 565       dependency('libtizplatform', required : _omx == 'tizonia'),
 566       dependency('tizilheaders', required : _omx == 'tizonia'),
 567     ]
 568     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 569       with_gallium_omx = 'tizonia'
 570     endif
 571   elif _omx == 'tizonia'
 572     error('OMX-Tizonia state tracker requires dri and egl')
 573   endif
 574 endif
 575 if _omx == 'auto'
 576   with_gallium_omx = 'disabled'
 577 else
 578   with_gallium_omx = _omx
 579 endif
 580
 581 pre_args += [
 582   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 583   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 584 ]
 585
 586
 587 omx_drivers_path = get_option('omx-libs-path')
 588
 589 if with_gallium_omx != 'disabled'
 590   # Figure out where to put the omx driver.
 591   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 592   # argument to meson's get_pkgconfig_variable method.
 593   if omx_drivers_path == ''
 594     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 595     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 596     if _omx_libdir == get_option('libdir')
 597       omx_drivers_path = _omx_drivers_dir
 598     else
 599       _omx_base_dir = []
 600       # This will fail on windows. Does OMX run on windows?
 601       _omx_libdir = _omx_libdir.split('/')
 602       _omx_drivers_dir = _omx_drivers_dir.split('/')
 603       foreach o : _omx_drivers_dir
 604         if not _omx_libdir.contains(o)
 605           _omx_base_dir += o
 606         endif
 607       endforeach
 608       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 609     endif
 610   endif
 611 endif
 612
 613 _va = get_option('gallium-va')
 614 if not system_has_kms_drm
 615   if _va == 'true'
 616     error('VA state tracker can only be built on unix-like OSes.')
 617   else
 618     _va = 'false'
 619   endif
 620 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 621   if _va == 'true'
 622     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 623   else
 624     _va = 'false'
 625   endif
 626 endif
 627 with_gallium_va = false
 628 dep_va = null_dep
 629 if _va != 'false'
 630   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 631   if dep_va.found()
 632     dep_va_headers = declare_dependency(
 633       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 634     )
 635     with_gallium_va = true
 636   endif
 637 endif
 638
 639 va_drivers_path = get_option('va-libs-path')
 640 if va_drivers_path == ''
 641   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 642 endif
 643
 644 _xa = get_option('gallium-xa')
 645 if not system_has_kms_drm
 646   if _xa == 'true'
 647     error('XA state tracker can only be built on unix-like OSes.')
 648   else
 649     _xa = 'false'
 650   endif
 651 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 652           or with_gallium_svga)
 653   if _xa == 'true'
 654     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 655   else
 656     _xa = 'false'
 657   endif
 658 endif
 659 with_gallium_xa = _xa != 'false'
 660
 661 d3d_drivers_path = get_option('d3d-drivers-path')
 662 if d3d_drivers_path == ''
 663   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 664 endif
 665
 666 with_gallium_st_nine =  get_option('gallium-nine')
 667 if with_gallium_st_nine
 668   if not with_gallium_softpipe
 669     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 670   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 671             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 672             or with_gallium_iris)
 673     error('The nine state tracker requires at least one non-swrast gallium driver.')
 674   endif
 675   if not with_dri3
 676     error('Using nine with wine requires dri3')
 677   endif
 678 endif
 679
 680 if get_option('power8') != 'false'
 681   # on old versions of meson the cpu family would return as ppc64le on little
 682   # endian power8, this was changed in 0.48 such that the family would always
 683   # be ppc64 regardless of endianness, and then the machine.endian() value
 684   # should be checked. Since we support versions < 0.48 we need to use
 685   # startswith.
 686   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 687     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 688       error('Altivec is not supported with gcc version < 4.8.')
 689     endif
 690     if cc.compiles('''
 691         #include <altivec.h>
 692         int main() {
 693           vector unsigned char r;
 694           vector unsigned int v = vec_splat_u32 (1);
 695           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 696           return 0;
 697         }''',
 698         args : '-mpower8-vector',
 699         name : 'POWER8 intrinsics')
 700       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 701     elif get_option('power8') == 'true'
 702       error('POWER8 intrinsic support required but not found.')
 703     endif
 704   endif
 705 endif
 706
 707 _opencl = get_option('gallium-opencl')
 708 clover_cpp_std = []
 709 if _opencl != 'disabled'
 710   if not with_gallium
 711     error('OpenCL Clover implementation requires at least one gallium driver.')
 712   endif
 713
 714   dep_clc = dependency('libclc')
 715   with_gallium_opencl = true
 716   with_opencl_icd = _opencl == 'icd'
 717
 718   with_opencl_spirv = get_option('opencl-spirv')
 719   if with_opencl_spirv
 720     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 721     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 722     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 723   else
 724     dep_spirv_tools = null_dep
 725     dep_llvmspirvlib = null_dep
 726   endif
 727
 728   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 729       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 730       #error "AltiVec not enabled"
 731       #endif''',
 732       name : 'Altivec')
 733     clover_cpp_std += ['cpp_std=gnu++11']
 734   endif
 735 else
 736   dep_clc = null_dep
 737   dep_spirv_tools = null_dep
 738   dep_llvmspirvlib = null_dep
 739   with_gallium_opencl = false
 740   with_opencl_icd = false
 741   with_opencl_spirv = false
 742 endif
 743
 744 gl_pkgconfig_c_flags = []
 745 if with_platform_x11
 746   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 747     pre_args += '-DHAVE_X11_PLATFORM'
 748   endif
 749   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 750     pre_args += '-DUSE_XSHM'
 751   else
 752     pre_args += '-DGLX_INDIRECT_RENDERING'
 753     if with_glx_direct
 754       pre_args += '-DGLX_DIRECT_RENDERING'
 755     endif
 756     if with_dri_platform == 'drm'
 757       pre_args += '-DGLX_USE_DRM'
 758     elif with_dri_platform == 'apple'
 759       pre_args += '-DGLX_USE_APPLEGL'
 760     elif with_dri_platform == 'windows'
 761       pre_args += '-DGLX_USE_WINDOWSGL'
 762     endif
 763   endif
 764 else
 765   pre_args += '-DEGL_NO_X11'
 766   gl_pkgconfig_c_flags += '-DEGL_NO_X11'
 767 endif
 768 if with_platform_drm
 769   if with_egl and not with_gbm
 770     error('EGL drm platform requires gbm')
 771   endif
 772   pre_args += '-DHAVE_DRM_PLATFORM'
 773 endif
 774 if with_platform_surfaceless
 775   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 776 endif
 777 if with_platform_android
 778   dep_android = [
 779     dependency('cutils'),
 780     dependency('hardware'),
 781     dependency('sync'),
 782   ]
 783   if get_option('platform-sdk-version') >= 26
 784     dep_android += dependency('nativewindow')
 785   endif
 786   pre_args += '-DHAVE_ANDROID_PLATFORM'
 787 endif
 788 if with_platform_haiku
 789   pre_args += '-DHAVE_HAIKU_PLATFORM'
 790 endif
 791
 792 if meson.version().version_compare('>=0.50')
 793   prog_python = import('python').find_installation('python3')
 794 else
 795   prog_python = import('python3').find_python()
 796 endif
 797 has_mako = run_command(
 798   prog_python, '-c',
 799   '''
 800 from distutils.version import StrictVersion
 801 import mako
 802 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 803   ''')
 804 if has_mako.returncode() != 0
 805   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 806 endif
 807
 808 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 809   error('When using GCC, version 4.4.6 or later is required.')
 810 endif
 811
 812 # Support systems without ETIME (e.g. FreeBSD)
 813 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
 814   pre_args += '-DETIME=ETIMEDOUT'
 815 endif
 816
 817 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 818 if get_option('buildtype') == 'debug'
 819   pre_args += '-DDEBUG'
 820 endif
 821
 822 with_shader_cache = false
 823 _shader_cache = get_option('shader-cache')
 824 if _shader_cache != 'false'
 825   if host_machine.system() == 'windows'
 826     if _shader_cache == 'true'
 827       error('Shader Cache does not currently work on Windows')
 828     endif
 829   else
 830     pre_args += '-DENABLE_SHADER_CACHE'
 831     with_shader_cache = true
 832   endif
 833 endif
 834 if with_amd_vk and not with_shader_cache
 835   error('Radv requires shader cache support')
 836 endif
 837
 838 # Check for GCC style builtins
 839 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 840              'ffsll', 'popcount', 'popcountll', 'unreachable']
 841   if cc.has_function(b)
 842     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 843   endif
 844 endforeach
 845
 846 # check for GCC __attribute__
 847 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 848              'warn_unused_result', 'weak',]
 849   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 850                  name : '__attribute__((@0@))'.format(a))
 851     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 852   endif
 853 endforeach
 854 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 855                name : '__attribute__((format(...)))')
 856   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 857 endif
 858 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 859                name : '__attribute__((packed))')
 860   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 861 endif
 862 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 863                name : '__attribute__((returns_nonnull))')
 864   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 865 endif
 866 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 867                   int foo_hid(void) __attribute__((visibility("hidden")));
 868                   int foo_int(void) __attribute__((visibility("internal")));
 869                   int foo_pro(void) __attribute__((visibility("protected")));''',
 870                name : '__attribute__((visibility(...)))')
 871   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 872 endif
 873 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 874                name : '__attribute__((alias(...)))')
 875   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 876 endif
 877 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 878                name : '__attribute__((__noreturn__))')
 879   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 880 endif
 881 if cc.compiles('__uint128_t foo(void) { return 0; }',
 882                name : '__uint128_t')
 883   pre_args += '-DHAVE_UINT128'
 884 endif
 885
 886 # TODO: this is very incomplete
 887 if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd'].contains(host_machine.system())
 888   pre_args += '-D_GNU_SOURCE'
 889 elif host_machine.system() == 'sunos'
 890   pre_args += '-D__EXTENSIONS__'
 891 elif host_machine.system() == 'windows'
 892   pre_args += [
 893     '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-D_WINVER=0x0601',
 894     '-DPIPE_SUBSYSTEM_WINDOWS_USER',
 895     '-D_USE_MATH_DEFINES',  # XXX: scons doesn't use this for mingw
 896   ]
 897   if cc.get_id() == 'msvc'
 898     pre_args += [
 899       '-DVC_EXTRALEAN',
 900       '-D_CRT_SECURE_NO_WARNINGS',
 901       '-D_CRT_SECURE_NO_DEPRECATE',
 902       '-D_SCL_SECURE_NO_WARNINGS',
 903       '-D_SCL_SECURE_NO_DEPRECATE',
 904       '-D_ALLOW_KEYWORD_MACROS',
 905       '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
 906     ]
 907   else
 908     pre_args += ['-D__MSVCRT_VERSION__=0x0700']
 909   endif
 910 endif
 911
 912 # Check for generic C arguments
 913 c_args = []
 914 c_vis_args = []
 915 c_msvc_compat_args = []
 916 no_override_init_args = []
 917 cpp_args = []
 918 cpp_vis_args = []
 919 cpp_msvc_compat_args = []
 920 if cc.get_id() == 'msvc'
 921   foreach a : ['/wd4018',  # signed/unsigned mismatch
 922                '/wd4056',  # overflow in floating-point constant arithmetic
 923                '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
 924                '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
 925                '/wd4305',  # trancation from 'type1' to 'type2'
 926                '/wd4351',  # new behavior: elements of array 'array' will be default initialized
 927                '/wd4756',  # overflow in constant arithmetic
 928                '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
 929                '/wd4996',  # disabled deprecated POSIX name warnings
 930                '/wd4291']  # no matching operator delete found
 931     if cc.has_argument(a)
 932       c_args += a
 933     endif
 934     if cpp.has_argument(a)
 935       cpp_args += a
 936     endif
 937   endforeach
 938   if cc.has_argument('-Wmicrosoft-enum-value')  # Clang
 939     c_args += '-Wno-microsoft-enum-value'
 940     cpp_args += '-Wno-microsoft-enum-value'
 941   endif
 942 else
 943   _trial = [
 944     '-Werror=implicit-function-declaration',
 945     '-Werror=missing-prototypes',
 946     '-Werror=return-type',
 947     '-Werror=empty-body',
 948     '-Werror=incompatible-pointer-types',
 949     '-Wno-missing-field-initializers',
 950     '-Wno-format-truncation',
 951     '-fno-math-errno',
 952     '-fno-trapping-math',
 953     '-Qunused-arguments',
 954   ]
 955   # MinGW chokes on format specifiers and I can't get it all working
 956   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 957     _trial += ['-Werror=format', '-Wformat-security']
 958   endif
 959   foreach a : _trial
 960     if cc.has_argument(a)
 961       c_args += a
 962     endif
 963   endforeach
 964
 965   _trial = [
 966     '-Werror=return-type',
 967     '-Werror=empty-body',
 968     '-Wno-non-virtual-dtor',
 969     '-Wno-missing-field-initializers',
 970     '-Wno-format-truncation',
 971     '-fno-math-errno',
 972     '-fno-trapping-math',
 973     '-Qunused-arguments',
 974   ]
 975   # MinGW chokes on format specifiers and I can't get it all working
 976   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 977     _trial += ['-Werror=format', '-Wformat-security']
 978   endif
 979   foreach a : _trial
 980     if cpp.has_argument(a)
 981       cpp_args += a
 982     endif
 983   endforeach
 984
 985   foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 986     if cc.has_argument(a)
 987       no_override_init_args += a
 988     endif
 989   endforeach
 990
 991   if cc.has_argument('-fvisibility=hidden')
 992     c_vis_args += '-fvisibility=hidden'
 993   endif
 994
 995   # Check for C and C++ arguments for MSVC2013 compatibility. These are only
 996   # used in parts of the mesa code base that need to compile with old versions
 997   # of MSVC, mainly common code
 998   foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 999     if cc.has_argument(a)
1000       c_msvc_compat_args += a
1001     endif
1002     if cpp.has_argument(a)
1003       cpp_msvc_compat_args += a
1004     endif
1005   endforeach
1006
1007   if cpp.has_argument('-fvisibility=hidden')
1008     cpp_vis_args += '-fvisibility=hidden'
1009   endif
1010
1011 endif
1012
1013 # set linker arguments
1014 if host_machine.system() == 'windows'
1015   if cc.get_id() == 'msvc'
1016     add_project_link_arguments(
1017       '/fixed:no',
1018       '/incremental:no',
1019       '/dynamicbase',
1020       '/nxcompat',
1021       language : ['c', 'cpp'],
1022     )
1023   else
1024     add_project_link_arguments(
1025       '-Wl,--nxcompat',
1026       '-Wl,--dynamicbase',
1027       '-static-libgcc',
1028       '-static-libstdc++',
1029       language : ['c', 'cpp'],
1030     )
1031   endif
1032 endif
1033
1034 if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1035   pre_args += '-DUSE_SSE41'
1036   with_sse41 = true
1037   sse41_args = ['-msse4.1']
1038
1039   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1040   # that's not guaranteed
1041   if host_machine.cpu_family() == 'x86'
1042     sse41_args += '-mstackrealign'
1043   endif
1044 else
1045   with_sse41 = false
1046   sse41_args = []
1047 endif
1048
1049 # Check for GCC style atomics
1050 dep_atomic = null_dep
1051
1052 if cc.compiles('''#include <stdint.h>
1053                   int main() {
1054                     struct {
1055                       uint64_t *v;
1056                     } x;
1057                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1058                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1059
1060                   }''',
1061                name : 'GCC atomic builtins')
1062   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1063
1064   # Not all atomic calls can be turned into lock-free instructions, in which
1065   # GCC will make calls into the libatomic library. Check whether we need to
1066   # link with -latomic.
1067   #
1068   # This can happen for 64-bit atomic operations on 32-bit architectures such
1069   # as ARM.
1070   if not cc.links('''#include <stdint.h>
1071                      int main() {
1072                        struct {
1073                          uint64_t *v;
1074                        } x;
1075                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1076                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1077                      }''',
1078                   name : 'GCC atomic builtins required -latomic')
1079     dep_atomic = cc.find_library('atomic')
1080   endif
1081 endif
1082 if not cc.links('''#include <stdint.h>
1083                    uint64_t v;
1084                    int main() {
1085                      return __sync_add_and_fetch(&v, (uint64_t)1);
1086                    }''',
1087                 dependencies : dep_atomic,
1088                 name : 'GCC 64bit atomics')
1089   pre_args += '-DMISSING_64BIT_ATOMICS'
1090 endif
1091
1092 dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1093
1094 # TODO: shared/static? Is this even worth doing?
1095
1096 with_asm_arch = ''
1097 if host_machine.cpu_family() == 'x86'
1098   if system_has_kms_drm or host_machine.system() == 'gnu'
1099     with_asm_arch = 'x86'
1100     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1101                  '-DUSE_SSE_ASM']
1102
1103     if with_glx_read_only_text
1104       pre_args += ['-DGLX_X86_READONLY_TEXT']
1105     endif
1106   endif
1107 elif host_machine.cpu_family() == 'x86_64'
1108   if system_has_kms_drm
1109     with_asm_arch = 'x86_64'
1110     pre_args += ['-DUSE_X86_64_ASM']
1111   endif
1112 elif host_machine.cpu_family() == 'arm'
1113   if system_has_kms_drm
1114     with_asm_arch = 'arm'
1115     pre_args += ['-DUSE_ARM_ASM']
1116   endif
1117 elif host_machine.cpu_family() == 'aarch64'
1118   if system_has_kms_drm
1119     with_asm_arch = 'aarch64'
1120     pre_args += ['-DUSE_AARCH64_ASM']
1121   endif
1122 elif host_machine.cpu_family() == 'sparc64'
1123   if system_has_kms_drm
1124     with_asm_arch = 'sparc'
1125     pre_args += ['-DUSE_SPARC_ASM']
1126   endif
1127 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1128   if system_has_kms_drm
1129     with_asm_arch = 'ppc64le'
1130     pre_args += ['-DUSE_PPC64LE_ASM']
1131   endif
1132 endif
1133
1134 # Check for standard headers and functions
1135 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1136   cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1137   cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1138   pre_args += '-DMAJOR_IN_SYSMACROS'
1139 endif
1140 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1141   cc.has_header_symbol('sys/mkdev.h', 'minor') and
1142   cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1143   pre_args += '-DMAJOR_IN_MKDEV'
1144 endif
1145
1146 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1147   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1148     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1149   endif
1150 endforeach
1151
1152 foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r', 'flock', 'strtok_r']
1153   if cc.has_function(f)
1154     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1155   endif
1156 endforeach
1157
1158 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1159                         args : '-D_GNU_SOURCE')
1160    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1161 elif with_tools.contains('intel')
1162   error('Intel tools require the program_invocation_name variable')
1163 endif
1164
1165 # MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1166 # This means that this check will succeed, but then compilation will later
1167 # fail. MSVC doesn't have this function at all, so only check for it on
1168 # non-windows platforms.
1169 if host_machine.system() != 'windows'
1170   if cc.has_function('posix_memalign')
1171     pre_args += '-DHAVE_POSIX_MEMALIGN'
1172   endif
1173 endif
1174
1175 # strtod locale support
1176 if cc.links('''
1177     #define _GNU_SOURCE
1178     #include <stdlib.h>
1179     #include <locale.h>
1180     #ifdef HAVE_XLOCALE_H
1181     #include <xlocale.h>
1182     #endif
1183     int main() {
1184       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1185       const char *s = "1.0";
1186       char *end;
1187       double d = strtod_l(s, end, loc);
1188       float f = strtof_l(s, end, loc);
1189       freelocale(loc);
1190       return 0;
1191     }''',
1192     args : pre_args,
1193     name : 'strtod has locale support')
1194   pre_args += '-DHAVE_STRTOD_L'
1195 endif
1196
1197 # Check for some linker flags
1198 ld_args_bsymbolic = []
1199 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1200   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1201 endif
1202 ld_args_gc_sections = []
1203 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1204             args : '-Wl,--gc-sections', name : 'gc-sections')
1205   ld_args_gc_sections += '-Wl,--gc-sections'
1206 endif
1207 with_ld_version_script = false
1208 if cc.links('int main() { return 0; }',
1209             args : '-Wl,--version-script=@0@'.format(
1210               join_paths(meson.source_root(), 'build-support/conftest.map')),
1211             name : 'version-script')
1212   with_ld_version_script = true
1213 endif
1214 with_ld_dynamic_list = false
1215 if cc.links('int main() { return 0; }',
1216             args : '-Wl,--dynamic-list=@0@'.format(
1217               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1218             name : 'dynamic-list')
1219   with_ld_dynamic_list = true
1220 endif
1221
1222 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1223
1224 # check for dl support
1225 dep_dl = null_dep
1226 if not cc.has_function('dlopen')
1227   dep_dl = cc.find_library('dl', required : host_machine.system() != 'windows')
1228 endif
1229 if cc.has_function('dladdr', dependencies : dep_dl)
1230   # This is really only required for megadrivers
1231   pre_args += '-DHAVE_DLADDR'
1232 endif
1233
1234 if cc.has_function('dl_iterate_phdr')
1235   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1236 elif with_intel_vk
1237   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1238 elif with_dri_i965 and with_shader_cache
1239   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1240 endif
1241
1242 # Determine whether or not the rt library is needed for time functions
1243 if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1244   dep_clock = null_dep
1245 else
1246   dep_clock = cc.find_library('rt')
1247 endif
1248
1249 # TODO: some of these may be conditional
1250 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1251 pre_args += '-DHAVE_ZLIB'
1252
1253 _zstd = get_option('zstd')
1254 if _zstd != 'false'
1255   dep_zstd = dependency('libzstd', required : _zstd == 'true')
1256   if dep_zstd.found()
1257     pre_args += '-DHAVE_ZSTD'
1258   endif
1259 else
1260   dep_zstd = null_dep
1261 endif
1262
1263 dep_thread = dependency('threads')
1264 if dep_thread.found() and host_machine.system() != 'windows'
1265   pre_args += '-DHAVE_PTHREAD'
1266   if cc.has_function(
1267       'pthread_setaffinity_np',
1268       dependencies : dep_thread,
1269       prefix : '#include <pthread.h>',
1270       args : '-D_GNU_SOURCE')
1271     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1272   endif
1273   if cc.has_function(
1274       'pthread_setaffinity_np',
1275       dependencies : dep_thread,
1276       prefix : '#include <pthread_np.h>')
1277     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1278   endif
1279 endif
1280 if host_machine.system() != 'windows'
1281   dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1282 else
1283   dep_expat = null_dep
1284 endif
1285 # this only exists on linux so either this is linux and it will be found, or
1286 # it's not linux and wont
1287 dep_m = cc.find_library('m', required : false)
1288
1289 # Check for libdrm. Various drivers have different libdrm version requirements,
1290 # but we always want to use the same version for all libdrm modules. That means
1291 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1292 # bar are both on use 2.4.3 for both of them
1293 dep_libdrm_amdgpu = null_dep
1294 dep_libdrm_radeon = null_dep
1295 dep_libdrm_nouveau = null_dep
1296 dep_libdrm_intel = null_dep
1297
1298 _drm_amdgpu_ver = '2.4.100'
1299 _drm_radeon_ver = '2.4.71'
1300 _drm_nouveau_ver = '2.4.66'
1301 _drm_intel_ver = '2.4.75'
1302 _drm_ver = '2.4.81'
1303
1304 _libdrm_checks = [
1305   ['intel', with_dri_i915 or with_gallium_i915],
1306   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1307   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1308               with_gallium_r300 or with_gallium_r600)],
1309   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1310 ]
1311
1312 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1313 # library.
1314 if with_gallium_vc4
1315   _drm_ver = '2.4.89'
1316 endif
1317
1318 # etnaviv only needs core libdrm
1319 if with_gallium_etnaviv
1320   _drm_ver = '2.4.89'
1321 endif
1322
1323 # Loop over the enables versions and get the highest libdrm requirement for all
1324 # active drivers.
1325 _drm_blame = ''
1326 foreach d : _libdrm_checks
1327   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1328   if d[1] and ver.version_compare('>' + _drm_ver)
1329     _drm_ver = ver
1330     _drm_blame = d[0]
1331   endif
1332 endforeach
1333 if _drm_blame != ''
1334   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1335 endif
1336
1337 # Then get each libdrm module
1338 foreach d : _libdrm_checks
1339   if d[1]
1340     set_variable(
1341       'dep_libdrm_' + d[0],
1342       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1343     )
1344   endif
1345 endforeach
1346
1347 with_gallium_drisw_kms = false
1348 dep_libdrm = dependency(
1349   'libdrm', version : '>=' + _drm_ver,
1350   required : with_dri2 or with_dri3
1351 )
1352 if dep_libdrm.found()
1353   pre_args += '-DHAVE_LIBDRM'
1354   if with_dri_platform == 'drm' and with_dri
1355     with_gallium_drisw_kms = true
1356   endif
1357 endif
1358
1359 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1360 llvm_optional_modules = ['coroutines']
1361 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1362   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1363   if with_gallium_r600
1364     llvm_modules += 'asmparser'
1365   endif
1366 endif
1367 if with_gallium_opencl
1368   llvm_modules += [
1369     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1370     'lto', 'option', 'objcarcopts', 'profiledata',
1371   ]
1372 endif
1373
1374 if with_amd_vk or with_gallium_radeonsi
1375   _llvm_version = '>= 8.0.0'
1376 elif with_gallium_swr
1377   _llvm_version = '>= 6.0.0'
1378 else
1379   _llvm_version = '>= 3.9.0'
1380 endif
1381
1382 _shared_llvm = get_option('shared-llvm')
1383 _llvm = get_option('llvm')
1384
1385 # The cmake method will never find libllvm.so|dylib; this is fine for windows
1386 # because llvm doesn't support libllvm.dll
1387 _llvm_method = 'config-tool'
1388 if (meson.version().version_compare('>= 0.51.0') and
1389     host_machine.system() == 'windows')
1390   _llvm_method = 'cmake'
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   elif meson.version().version_compare('>=0.51')
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   else
1428     _rtti = dep_llvm.get_configtool_variable('has-rtti') == 'YES'
1429   endif
1430   if not _rtti
1431     if with_gallium_nouveau
1432       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1433     elif with_gallium_opencl
1434       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1435     endif
1436     if cc.get_id() == 'msvc'
1437       cpp_args += '/GR-'
1438     else
1439       cpp_args += '-fno-rtti'
1440     endif
1441   endif
1442 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1443   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1444 elif with_gallium_opencl
1445   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1446 endif
1447
1448 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1449     (with_gallium_r600 and with_llvm))
1450   dep_elf = dependency('libelf', required : false)
1451   if not dep_elf.found()
1452     dep_elf = cc.find_library('elf')
1453   endif
1454 else
1455   dep_elf = null_dep
1456 endif
1457
1458 dep_glvnd = null_dep
1459 if with_glvnd
1460   dep_glvnd = dependency('libglvnd', version : '>= 1.2.0')
1461   pre_args += '-DUSE_LIBGLVND=1'
1462 endif
1463
1464 if with_valgrind != 'false'
1465   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1466   if dep_valgrind.found()
1467     pre_args += '-DHAVE_VALGRIND'
1468   endif
1469 else
1470   dep_valgrind = null_dep
1471 endif
1472
1473 # pthread stubs. Lets not and say we didn't
1474
1475 if host_machine.system() == 'windows'
1476   # Prefer the winflexbison versions, they're much easier to install and have
1477   # better windows support.
1478
1479   prog_flex = find_program('win_flex', required : false)
1480   if prog_flex.found()
1481     # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1482     # _fileno functions)
1483     prog_flex = [prog_flex, '--wincompat']
1484   else
1485     prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1486   endif
1487   # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1488   # __STDC__ macro to determine whether it's safe to use const keyword, but
1489   # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1490   prog_flex += '-DYY_USE_CONST='
1491
1492   prog_bison = find_program('win_bison', required : false)
1493   if not prog_bison.found()
1494     prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1495   endif
1496 else
1497   prog_bison = find_program('bison', required : with_any_opengl)
1498   prog_flex = find_program('flex', required : with_any_opengl)
1499 endif
1500
1501 dep_selinux = null_dep
1502 if get_option('selinux')
1503   dep_selinux = dependency('libselinux')
1504   pre_args += '-DMESA_SELINUX'
1505 endif
1506
1507 if with_libunwind != 'false'
1508   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1509   if dep_unwind.found()
1510     pre_args += '-DHAVE_LIBUNWIND'
1511   endif
1512 else
1513   dep_unwind = null_dep
1514 endif
1515
1516 if with_osmesa != 'none'
1517   if with_osmesa == 'gallium' and not with_gallium_softpipe
1518     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1519   endif
1520   if host_machine.system() == 'windows'
1521     osmesa_lib_name = 'osmesa'
1522   else
1523     osmesa_lib_name = 'OSMesa'
1524   endif
1525   osmesa_bits = get_option('osmesa-bits')
1526   if osmesa_bits != '8'
1527     if with_dri or with_glx != 'disabled'
1528       error('OSMesa bits must be 8 if building glx or dir based drivers')
1529     endif
1530     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1531     pre_args += [
1532       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1533     ]
1534   endif
1535 endif
1536
1537 # TODO: symbol mangling
1538
1539 if with_platform_wayland
1540   dep_wl_scanner = dependency('wayland-scanner', native: true)
1541   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1542   if dep_wl_scanner.version().version_compare('>= 1.15')
1543     wl_scanner_arg = 'private-code'
1544   else
1545     wl_scanner_arg = 'code'
1546   endif
1547   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1548   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1549   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1550   if with_egl
1551     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1552     dep_wayland_egl_headers = declare_dependency(
1553       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1554   endif
1555   wayland_dmabuf_xml = join_paths(
1556     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1557     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1558   )
1559   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1560 endif
1561
1562 dep_x11 = null_dep
1563 dep_xext = null_dep
1564 dep_xdamage = null_dep
1565 dep_xfixes = null_dep
1566 dep_x11_xcb = null_dep
1567 dep_xcb = null_dep
1568 dep_xcb_glx = null_dep
1569 dep_xcb_dri2 = null_dep
1570 dep_xcb_dri3 = null_dep
1571 dep_dri2proto = null_dep
1572 dep_glproto = null_dep
1573 dep_xxf86vm = null_dep
1574 dep_xcb_dri3 = null_dep
1575 dep_xcb_present = null_dep
1576 dep_xcb_sync = null_dep
1577 dep_xcb_xfixes = null_dep
1578 dep_xshmfence = null_dep
1579 dep_xcb_xrandr = null_dep
1580 dep_xlib_xrandr = null_dep
1581 if with_platform_x11
1582   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1583     dep_x11 = dependency('x11')
1584     dep_xext = dependency('xext')
1585     dep_xcb = dependency('xcb')
1586   elif with_glx == 'dri'
1587     dep_x11 = dependency('x11')
1588     dep_xext = dependency('xext')
1589     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1590     dep_xfixes = dependency('xfixes')
1591     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1592   endif
1593   if (with_any_vk or with_glx == 'dri' or with_egl or
1594        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1595         with_gallium_omx != 'disabled'))
1596     dep_xcb = dependency('xcb')
1597     dep_x11_xcb = dependency('x11-xcb')
1598     if with_dri_platform == 'drm' and not dep_libdrm.found()
1599       error('libdrm required for gallium video statetrackers when using x11')
1600     endif
1601   endif
1602   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1603     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1604
1605     if with_dri3
1606       pre_args += '-DHAVE_DRI3'
1607       dep_xcb_dri3 = dependency('xcb-dri3')
1608       dep_xcb_present = dependency('xcb-present')
1609       # until xcb-dri3 has been around long enough to make a hard-dependency:
1610       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1611           dep_xcb_present.version().version_compare('>= 1.13'))
1612         pre_args += '-DHAVE_DRI3_MODIFIERS'
1613       endif
1614       dep_xcb_sync = dependency('xcb-sync')
1615       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1616     endif
1617   endif
1618   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1619     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1620   endif
1621   if with_glx == 'dri'
1622     if with_dri_platform == 'drm'
1623       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1624       dep_xxf86vm = dependency('xxf86vm')
1625     endif
1626   endif
1627   if (with_egl or (
1628       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1629       with_gallium_omx != 'disabled'))
1630     dep_xcb_xfixes = dependency('xcb-xfixes')
1631   endif
1632   if with_xlib_lease
1633     dep_xcb_xrandr = dependency('xcb-randr')
1634     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1635   endif
1636 endif
1637
1638 if get_option('gallium-extra-hud')
1639   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1640 endif
1641
1642 _sensors = get_option('lmsensors')
1643 if _sensors != 'false'
1644   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1645   if dep_lmsensors.found()
1646     pre_args += '-DHAVE_LIBSENSORS=1'
1647   endif
1648 else
1649   dep_lmsensors = null_dep
1650 endif
1651
1652 foreach a : pre_args
1653   add_project_arguments(a, language : ['c', 'cpp'])
1654 endforeach
1655 foreach a : c_args
1656   add_project_arguments(a, language : ['c'])
1657 endforeach
1658 foreach a : cpp_args
1659   add_project_arguments(a, language : ['cpp'])
1660 endforeach
1661
1662 gl_priv_reqs = []
1663
1664 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1665   gl_priv_reqs += ['x11', 'xext', 'xcb']
1666 elif with_glx == 'dri'
1667   gl_priv_reqs += [
1668     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1669     'xcb-glx >= 1.8.1']
1670   if with_dri_platform == 'drm'
1671     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1672     gl_priv_reqs += 'xxf86vm'
1673   endif
1674 endif
1675 if dep_libdrm.found()
1676   gl_priv_reqs += 'libdrm >= 2.4.75'
1677 endif
1678
1679 gl_priv_libs = []
1680 if dep_thread.found()
1681   gl_priv_libs += ['-lpthread', '-pthread']
1682 endif
1683 if dep_m.found()
1684   gl_priv_libs += '-lm'
1685 endif
1686 if dep_dl.found()
1687   gl_priv_libs += '-ldl'
1688 endif
1689
1690 pkg = import('pkgconfig')
1691
1692 if host_machine.system() == 'windows'
1693   prog_dumpbin = find_program('dumpbin', required : false)
1694   with_symbols_check = prog_dumpbin.found() and with_tests
1695   symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
1696 else
1697   prog_nm = find_program('nm')
1698   with_symbols_check = with_tests
1699   symbols_check_args = ['--nm', prog_nm.path()]
1700 endif
1701
1702 # This quirk needs to be applied to sources with functions defined in assembly
1703 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1704 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1705
1706 subdir('include')
1707 subdir('bin')
1708 subdir('src')
1709
1710 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1711 # formatting below unless the first argument is passed as a variable. This has
1712 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1713 # for backwards compatibility.
1714 _with_opengl_string = with_opengl ? 'yes' : 'no'
1715
1716 lines = ['',
1717   'prefix:          ' + get_option('prefix'),
1718   'libdir:          ' + get_option('libdir'),
1719   'includedir:      ' + get_option('includedir'),
1720   '',
1721   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1722                                                     with_gles1 ? 'yes' : 'no',
1723                                                     with_gles2 ? 'yes' : 'no'),
1724 ]
1725
1726 if with_osmesa != 'none'
1727   lines += ''
1728   suffix = ''
1729   if with_osmesa == 'gallium'
1730     suffix = '(Gallium)'
1731   endif
1732   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1733 else
1734   lines += 'OSMesa:          no'
1735 endif
1736
1737 if with_dri
1738   lines += ''
1739   lines += 'DRI platform:    ' + with_dri_platform
1740   if dri_drivers.length() != 0 and dri_drivers != ['']
1741     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1742   else
1743     lines += 'DRI drivers:     no'
1744   endif
1745   lines += 'DRI driver dir:  ' + dri_drivers_path
1746 endif
1747
1748 if with_glx != 'disabled'
1749   lines += ''
1750   if with_glx == 'dri'
1751     lines += 'GLX:             DRI-based'
1752   elif with_glx == 'xlib'
1753     lines += 'GLX:             Xlib-based'
1754   elif with_glx == 'gallium-xlib'
1755     lines += 'GLX:             Xlib-based (Gallium)'
1756   else
1757     lines += 'GLX:             ' + with_glx
1758   endif
1759 endif
1760
1761 lines += ''
1762 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1763 if with_egl
1764   egl_drivers = []
1765   if with_dri
1766     egl_drivers += 'builtin:egl_dri2'
1767   endif
1768   if with_dri3
1769     egl_drivers += 'builtin:egl_dri3'
1770   endif
1771   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1772 endif
1773 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1774 if with_platforms
1775   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1776 endif
1777
1778 lines += ''
1779 if with_any_vk
1780   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1781   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1782 else
1783   lines += 'Vulkan drivers:  no'
1784 endif
1785
1786 lines += ''
1787 if with_llvm
1788   lines += 'llvm:            yes'
1789   lines += 'llvm-version:    ' + dep_llvm.version()
1790 else
1791   lines += 'llvm:            no'
1792 endif
1793
1794 lines += ''
1795 if with_gallium
1796   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1797   gallium_st = ['mesa']
1798   if with_gallium_xa
1799     gallium_st += 'xa'
1800   endif
1801   if with_gallium_xvmc
1802     gallium_st += 'xvmc'
1803   endif
1804   if with_gallium_xvmc
1805     gallium_st += 'xvmc'
1806   endif
1807   if with_gallium_vdpau
1808     gallium_st += 'vdpau'
1809   endif
1810   if with_gallium_omx != 'disabled'
1811     gallium_st += 'omx' + with_gallium_omx
1812   endif
1813   if with_gallium_va
1814     gallium_st += 'va'
1815   endif
1816   if with_gallium_st_nine
1817     gallium_st += 'nine'
1818   endif
1819   if with_gallium_opencl
1820     gallium_st += 'clover'
1821   endif
1822   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1823 else
1824   lines += 'Gallium:         no'
1825 endif
1826
1827 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1828
1829 lines += ''
1830 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1831
1832
1833 indent = '        '
1834 summary = indent + ('\n' + indent).join(lines)
1835 message('Configuration summary:\n@0@\n'.format(summary))