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_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       ]
 171     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 172       gallium_drivers = [
 173         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 174         'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
 175       ]
 176     else
 177       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 178             host_machine.cpu_family()))
 179     endif
 180   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 181     gallium_drivers = ['swrast']
 182   else
 183     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 184           host_machine.system()))
 185   endif
 186 endif
 187 with_gallium_kmsro = gallium_drivers.contains('kmsro')
 188 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
 189 with_gallium_r300 = gallium_drivers.contains('r300')
 190 with_gallium_r600 = gallium_drivers.contains('r600')
 191 with_gallium_nouveau = gallium_drivers.contains('nouveau')
 192 with_gallium_freedreno = gallium_drivers.contains('freedreno')
 193 with_gallium_softpipe = gallium_drivers.contains('swrast')
 194 with_gallium_vc4 = gallium_drivers.contains('vc4')
 195 with_gallium_v3d = gallium_drivers.contains('v3d')
 196 with_gallium_panfrost = gallium_drivers.contains('panfrost')
 197 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
 198 with_gallium_tegra = gallium_drivers.contains('tegra')
 199 with_gallium_iris = gallium_drivers.contains('iris')
 200 with_gallium_i915 = gallium_drivers.contains('i915')
 201 with_gallium_svga = gallium_drivers.contains('svga')
 202 with_gallium_virgl = gallium_drivers.contains('virgl')
 203 with_gallium_swr = gallium_drivers.contains('swr')
 204 with_gallium_lima = gallium_drivers.contains('lima')
 205 with_gallium_zink = gallium_drivers.contains('zink')
 206
 207 if cc.get_id().startswith('intel') and meson.version().version_compare('< 0.49.1')
 208   error('Meson does not have sufficient support of ICC before 0.49.1 to compile mesa')
 209 endif
 210
 211 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 212
 213 if with_gallium and system_has_kms_drm
 214   _glx = get_option('glx')
 215   _egl = get_option('egl')
 216   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 217     with_dri = true
 218   endif
 219 endif
 220
 221 _vulkan_drivers = get_option('vulkan-drivers')
 222 if _vulkan_drivers.contains('auto')
 223   if system_has_kms_drm
 224     if host_machine.cpu_family().startswith('x86')
 225       _vulkan_drivers = ['amd', 'intel']
 226     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 227       _vulkan_drivers = []
 228     else
 229       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 230             host_machine.cpu_family()))
 231     endif
 232   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 233     # No vulkan driver supports windows or macOS currently
 234     _vulkan_drivers = []
 235   else
 236     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 237           host_machine.system()))
 238   endif
 239 endif
 240
 241 with_intel_vk = _vulkan_drivers.contains('intel')
 242 with_amd_vk = _vulkan_drivers.contains('amd')
 243 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 244 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 245
 246 if with_freedreno_vk and get_option('I-love-half-baked-turnips') != true
 247   error('Cannot enable freedreno vulkan driver')
 248 endif
 249
 250 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 251   error('Only one swrast provider can be built')
 252 endif
 253 if with_dri_i915 and with_gallium_i915
 254   error('Only one i915 provider can be built')
 255 endif
 256 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)
 257   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
 258 endif
 259 if with_gallium_tegra and not with_gallium_nouveau
 260   error('tegra driver requires nouveau driver')
 261 endif
 262
 263 if host_machine.system() == 'darwin'
 264   with_dri_platform = 'apple'
 265   pre_args += '-DBUILDING_MESA'
 266 elif ['windows', 'cygwin'].contains(host_machine.system())
 267   with_dri_platform = 'windows'
 268 elif system_has_kms_drm
 269   with_dri_platform = 'drm'
 270 else
 271   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 272   # assert here that one of those cases has been met.
 273   # FIXME: illumos ends up here as well
 274   with_dri_platform = 'none'
 275 endif
 276
 277 _platforms = get_option('platforms')
 278 if _platforms.contains('auto')
 279   if system_has_kms_drm
 280     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 281   elif ['darwin', 'cygwin'].contains(host_machine.system())
 282     _platforms = ['x11', 'surfaceless']
 283   elif ['haiku'].contains(host_machine.system())
 284     _platforms = ['haiku']
 285   elif host_machine.system() == 'windows'
 286     _platforms = ['windows']
 287   else
 288     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 289           host_machine.system()))
 290   endif
 291 endif
 292
 293 with_platform_android = _platforms.contains('android')
 294 with_platform_x11 = _platforms.contains('x11')
 295 with_platform_wayland = _platforms.contains('wayland')
 296 with_platform_drm = _platforms.contains('drm')
 297 with_platform_haiku = _platforms.contains('haiku')
 298 with_platform_surfaceless = _platforms.contains('surfaceless')
 299 with_platform_windows = _platforms.contains('windows')
 300
 301 with_platforms = false
 302 if _platforms.length() != 0 and _platforms != ['']
 303   # sanity check that list contains no empty strings
 304   if _platforms.contains('')
 305     error('Invalid argument list given to -Dplatforms, please fix.')
 306   endif
 307   with_platforms = true
 308   egl_native_platform = _platforms[0]
 309 endif
 310
 311 _xlib_lease = get_option('xlib-lease')
 312 if _xlib_lease == 'auto'
 313   with_xlib_lease = with_platform_x11 and with_platform_drm
 314 else
 315   with_xlib_lease = _xlib_lease == 'true'
 316 endif
 317
 318 with_glx = get_option('glx')
 319 if with_glx == 'auto'
 320   if with_dri
 321     with_glx = 'dri'
 322   elif with_platform_haiku
 323     with_glx = 'disabled'
 324   elif host_machine.system() == 'windows'
 325     with_glx = 'disabled'
 326   elif with_gallium
 327     # Even when building just gallium drivers the user probably wants dri
 328     with_glx = 'dri'
 329   elif with_platform_x11 and with_any_opengl and not with_any_vk
 330     # The automatic behavior should not be to turn on xlib based glx when
 331     # building only vulkan drivers
 332     with_glx = 'xlib'
 333   else
 334     with_glx = 'disabled'
 335   endif
 336 endif
 337 if with_glx == 'dri'
 338    if with_gallium
 339       with_dri = true
 340    endif
 341 endif
 342
 343 if not (with_dri or with_gallium or with_glx != 'disabled')
 344   with_gles1 = false
 345   with_gles2 = false
 346   with_opengl = false
 347   with_any_opengl = false
 348   with_shared_glapi = false
 349 endif
 350
 351 _gbm = get_option('gbm')
 352 if _gbm == 'auto'
 353   with_gbm = system_has_kms_drm and with_dri
 354 else
 355   with_gbm = _gbm == 'true'
 356 endif
 357 if with_gbm and not system_has_kms_drm
 358   error('GBM only supports DRM/KMS platforms')
 359 endif
 360
 361 _egl = get_option('egl')
 362 if _egl == 'auto'
 363   with_egl = (
 364     not ['darwin', 'windows'].contains(host_machine.system()) and
 365     with_dri and with_shared_glapi and with_platforms
 366   )
 367 elif _egl == 'true'
 368   if not with_dri
 369     error('EGL requires dri')
 370   elif not with_shared_glapi
 371     error('EGL requires shared-glapi')
 372   elif not with_platforms
 373     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 374   elif not ['disabled', 'dri'].contains(with_glx)
 375     error('EGL requires dri, but a GLX is being built without dri')
 376   elif ['darwin', 'windows'].contains(host_machine.system())
 377     error('EGL is not available on Windows or MacOS')
 378   endif
 379   with_egl = true
 380 else
 381   with_egl = false
 382 endif
 383
 384 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
 385   if with_gallium_radeonsi
 386     error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
 387   endif
 388   if with_gallium_virgl
 389     error('Virgl requires the drm, surfaceless or android platform when using EGL')
 390   endif
 391 endif
 392
 393 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
 394 if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
 395   pre_args += '-DUSE_ELF_TLS'
 396 endif
 397
 398 if with_glx != 'disabled'
 399   if not (with_platform_x11 and with_any_opengl)
 400     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 401   elif with_glx == 'gallium-xlib'
 402     if not with_gallium
 403       error('Gallium-xlib based GLX requires at least one gallium driver')
 404     elif not with_gallium_softpipe
 405       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 406     elif with_dri
 407       error('gallium-xlib conflicts with any dri driver')
 408     endif
 409   elif with_glx == 'xlib'
 410     if with_dri
 411       error('xlib conflicts with any dri driver')
 412     endif
 413   elif with_glx == 'dri'
 414     if not with_shared_glapi
 415       error('dri based GLX requires shared-glapi')
 416     endif
 417   endif
 418 endif
 419
 420 with_glvnd = get_option('glvnd')
 421 if with_glvnd
 422   if with_platform_windows
 423     error('glvnd cannot be used on Windows')
 424   elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
 425     error('Cannot build glvnd support for GLX that is not DRI based.')
 426   elif with_glx == 'disabled' and not with_egl
 427     error('glvnd requires DRI based GLX and/or EGL')
 428   endif
 429   if get_option('egl-lib-suffix') != ''
 430     error('''EGL lib suffix can't be used with libglvnd''')
 431   endif
 432 endif
 433
 434 if with_vulkan_icd_dir == ''
 435   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 436 endif
 437
 438 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
 439   host_machine.system() == 'gnu')
 440 _dri3 = get_option('dri3')
 441 if _dri3 == 'auto'
 442   with_dri3 = system_has_kms_drm and with_dri2
 443 else
 444   with_dri3 = _dri3 == 'true'
 445 endif
 446
 447 if with_any_vk and (with_platform_x11 and not with_dri3)
 448   error('Vulkan drivers require dri3 for X11 support')
 449 endif
 450 if with_dri
 451   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 452     error('building dri drivers require at least one windowing system or classic osmesa')
 453   endif
 454 endif
 455
 456 prog_pkgconfig = find_program('pkg-config')
 457
 458 _vdpau = get_option('gallium-vdpau')
 459 if not system_has_kms_drm
 460   if _vdpau == 'true'
 461     error('VDPAU state tracker can only be build on unix-like OSes.')
 462   else
 463     _vdpau = 'false'
 464   endif
 465 elif not with_platform_x11
 466   if _vdpau == 'true'
 467     error('VDPAU state tracker requires X11 support.')
 468   else
 469     _vdpau = 'false'
 470   endif
 471 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 472           with_gallium_nouveau)
 473   if _vdpau == 'true'
 474     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 475   else
 476     _vdpau = 'false'
 477   endif
 478 endif
 479 dep_vdpau = null_dep
 480 with_gallium_vdpau = false
 481 if _vdpau != 'false'
 482   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 483   if dep_vdpau.found()
 484     dep_vdpau = declare_dependency(
 485       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 486     )
 487     with_gallium_vdpau = true
 488   endif
 489 endif
 490
 491 if with_gallium_vdpau
 492   pre_args += '-DHAVE_ST_VDPAU'
 493 endif
 494 vdpau_drivers_path = get_option('vdpau-libs-path')
 495 if vdpau_drivers_path == ''
 496   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 497 endif
 498
 499 if with_gallium_zink
 500   dep_vulkan = dependency('vulkan')
 501 endif
 502
 503 _xvmc = get_option('gallium-xvmc')
 504 if not system_has_kms_drm
 505   if _xvmc == 'true'
 506     error('XVMC state tracker can only be build on unix-like OSes.')
 507   else
 508     _xvmc = 'false'
 509   endif
 510 elif not with_platform_x11
 511   if _xvmc == 'true'
 512     error('XVMC state tracker requires X11 support.')
 513   else
 514     _xvmc = 'false'
 515   endif
 516 elif not (with_gallium_r600 or with_gallium_nouveau)
 517   if _xvmc == 'true'
 518     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 519   else
 520     _xvmc = 'false'
 521   endif
 522 endif
 523 dep_xvmc = null_dep
 524 dep_xv = null_dep
 525 with_gallium_xvmc = false
 526 if _xvmc != 'false'
 527   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 528   dep_xv = dependency('xv', required : _xvmc == 'true')
 529   with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
 530 endif
 531
 532 xvmc_drivers_path = get_option('xvmc-libs-path')
 533 if xvmc_drivers_path == ''
 534   xvmc_drivers_path = get_option('libdir')
 535 endif
 536
 537 _omx = get_option('gallium-omx')
 538 if not system_has_kms_drm
 539   if ['auto', 'disabled'].contains(_omx)
 540     _omx = 'disabled'
 541   else
 542     error('OMX state tracker can only be built on unix-like OSes.')
 543   endif
 544 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 545   if ['auto', 'disabled'].contains(_omx)
 546     _omx = 'disabled'
 547   else
 548     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 549   endif
 550 endif
 551 with_gallium_omx = _omx
 552 dep_omx = null_dep
 553 dep_omx_other = []
 554 if ['auto', 'bellagio'].contains(_omx)
 555   dep_omx = dependency(
 556     'libomxil-bellagio', required : _omx == 'bellagio'
 557   )
 558   if dep_omx.found()
 559     with_gallium_omx = 'bellagio'
 560   endif
 561 endif
 562 if ['auto', 'tizonia'].contains(_omx)
 563   if with_dri and with_egl
 564     dep_omx = dependency(
 565       'libtizonia', version : '>= 0.10.0',
 566       required : _omx == 'tizonia',
 567     )
 568     dep_omx_other = [
 569       dependency('libtizplatform', required : _omx == 'tizonia'),
 570       dependency('tizilheaders', required : _omx == 'tizonia'),
 571     ]
 572     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 573       with_gallium_omx = 'tizonia'
 574     endif
 575   elif _omx == 'tizonia'
 576     error('OMX-Tizonia state tracker requires dri and egl')
 577   endif
 578 endif
 579 if _omx == 'auto'
 580   with_gallium_omx = 'disabled'
 581 else
 582   with_gallium_omx = _omx
 583 endif
 584
 585 pre_args += [
 586   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 587   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 588 ]
 589
 590
 591 omx_drivers_path = get_option('omx-libs-path')
 592
 593 if with_gallium_omx != 'disabled'
 594   # Figure out where to put the omx driver.
 595   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 596   # argument to meson's get_pkgconfig_variable method.
 597   if omx_drivers_path == ''
 598     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 599     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 600     if _omx_libdir == get_option('libdir')
 601       omx_drivers_path = _omx_drivers_dir
 602     else
 603       _omx_base_dir = []
 604       # This will fail on windows. Does OMX run on windows?
 605       _omx_libdir = _omx_libdir.split('/')
 606       _omx_drivers_dir = _omx_drivers_dir.split('/')
 607       foreach o : _omx_drivers_dir
 608         if not _omx_libdir.contains(o)
 609           _omx_base_dir += o
 610         endif
 611       endforeach
 612       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 613     endif
 614   endif
 615 endif
 616
 617 _va = get_option('gallium-va')
 618 if not system_has_kms_drm
 619   if _va == 'true'
 620     error('VA state tracker can only be built on unix-like OSes.')
 621   else
 622     _va = 'false'
 623   endif
 624 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 625   if _va == 'true'
 626     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 627   else
 628     _va = 'false'
 629   endif
 630 endif
 631 with_gallium_va = false
 632 dep_va = null_dep
 633 if _va != 'false'
 634   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 635   if dep_va.found()
 636     dep_va_headers = declare_dependency(
 637       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 638     )
 639     with_gallium_va = true
 640   endif
 641 endif
 642
 643 va_drivers_path = get_option('va-libs-path')
 644 if va_drivers_path == ''
 645   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 646 endif
 647
 648 _xa = get_option('gallium-xa')
 649 if not system_has_kms_drm
 650   if _xa == 'true'
 651     error('XA state tracker can only be built on unix-like OSes.')
 652   else
 653     _xa = 'false'
 654   endif
 655 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 656           or with_gallium_svga)
 657   if _xa == 'true'
 658     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 659   else
 660     _xa = 'false'
 661   endif
 662 endif
 663 with_gallium_xa = _xa != 'false'
 664
 665 d3d_drivers_path = get_option('d3d-drivers-path')
 666 if d3d_drivers_path == ''
 667   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 668 endif
 669
 670 with_gallium_st_nine =  get_option('gallium-nine')
 671 if with_gallium_st_nine
 672   if not with_gallium_softpipe
 673     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 674   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 675             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 676             or with_gallium_iris)
 677     error('The nine state tracker requires at least one non-swrast gallium driver.')
 678   endif
 679   if not with_dri3
 680     error('Using nine with wine requires dri3')
 681   endif
 682 endif
 683
 684 if get_option('power8') != 'false'
 685   # on old versions of meson the cpu family would return as ppc64le on little
 686   # endian power8, this was changed in 0.48 such that the family would always
 687   # be ppc64 regardless of endianness, and then the machine.endian() value
 688   # should be checked. Since we support versions < 0.48 we need to use
 689   # startswith.
 690   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 691     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 692       error('Altivec is not supported with gcc version < 4.8.')
 693     endif
 694     if cc.compiles('''
 695         #include <altivec.h>
 696         int main() {
 697           vector unsigned char r;
 698           vector unsigned int v = vec_splat_u32 (1);
 699           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 700           return 0;
 701         }''',
 702         args : '-mpower8-vector',
 703         name : 'POWER8 intrinsics')
 704       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 705     elif get_option('power8') == 'true'
 706       error('POWER8 intrinsic support required but not found.')
 707     endif
 708   endif
 709 endif
 710
 711 _opencl = get_option('gallium-opencl')
 712 clover_cpp_std = []
 713 if _opencl != 'disabled'
 714   if not with_gallium
 715     error('OpenCL Clover implementation requires at least one gallium driver.')
 716   endif
 717
 718   dep_clc = dependency('libclc')
 719   with_gallium_opencl = true
 720   with_opencl_icd = _opencl == 'icd'
 721
 722   with_opencl_spirv = get_option('opencl-spirv')
 723   if with_opencl_spirv
 724     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 725     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 726     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 727   else
 728     dep_spirv_tools = null_dep
 729     dep_llvmspirvlib = null_dep
 730   endif
 731
 732   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 733       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 734       #error "AltiVec not enabled"
 735       #endif''',
 736       name : 'Altivec')
 737     clover_cpp_std += ['cpp_std=gnu++11']
 738   endif
 739 else
 740   dep_clc = null_dep
 741   dep_spirv_tools = null_dep
 742   dep_llvmspirvlib = null_dep
 743   with_gallium_opencl = false
 744   with_opencl_icd = false
 745   with_opencl_spirv = false
 746 endif
 747
 748 gl_pkgconfig_c_flags = []
 749 if with_platform_x11
 750   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 751     pre_args += '-DHAVE_X11_PLATFORM'
 752   endif
 753   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 754     pre_args += '-DUSE_XSHM'
 755   else
 756     pre_args += '-DGLX_INDIRECT_RENDERING'
 757     if with_glx_direct
 758       pre_args += '-DGLX_DIRECT_RENDERING'
 759     endif
 760     if with_dri_platform == 'drm'
 761       pre_args += '-DGLX_USE_DRM'
 762     elif with_dri_platform == 'apple'
 763       pre_args += '-DGLX_USE_APPLEGL'
 764     elif with_dri_platform == 'windows'
 765       pre_args += '-DGLX_USE_WINDOWSGL'
 766     endif
 767   endif
 768 else
 769   pre_args += '-DEGL_NO_X11'
 770   gl_pkgconfig_c_flags += '-DEGL_NO_X11'
 771 endif
 772 if with_platform_drm
 773   if with_egl and not with_gbm
 774     error('EGL drm platform requires gbm')
 775   endif
 776   pre_args += '-DHAVE_DRM_PLATFORM'
 777 endif
 778 if with_platform_surfaceless
 779   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 780 endif
 781 if with_platform_android
 782   dep_android = [
 783     dependency('cutils'),
 784     dependency('hardware'),
 785     dependency('sync'),
 786   ]
 787   if get_option('platform-sdk-version') >= 26
 788     dep_android += dependency('nativewindow')
 789   endif
 790   pre_args += '-DHAVE_ANDROID_PLATFORM'
 791 endif
 792 if with_platform_haiku
 793   pre_args += '-DHAVE_HAIKU_PLATFORM'
 794 endif
 795
 796 if meson.version().version_compare('>=0.50')
 797   prog_python = import('python').find_installation('python3')
 798 else
 799   prog_python = import('python3').find_python()
 800 endif
 801 has_mako = run_command(
 802   prog_python, '-c',
 803   '''
 804 from distutils.version import StrictVersion
 805 import mako
 806 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 807   ''')
 808 if has_mako.returncode() != 0
 809   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 810 endif
 811
 812 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 813   error('When using GCC, version 4.4.6 or later is required.')
 814 endif
 815
 816 # Support systems without ETIME (e.g. FreeBSD)
 817 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
 818   pre_args += '-DETIME=ETIMEDOUT'
 819 endif
 820
 821 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 822 if get_option('buildtype') == 'debug'
 823   pre_args += '-DDEBUG'
 824 endif
 825
 826 with_shader_cache = false
 827 _shader_cache = get_option('shader-cache')
 828 if _shader_cache != 'false'
 829   if host_machine.system() == 'windows'
 830     if _shader_cache == 'true'
 831       error('Shader Cache does not currently work on Windows')
 832     endif
 833   else
 834     pre_args += '-DENABLE_SHADER_CACHE'
 835     with_shader_cache = true
 836   endif
 837 endif
 838 if with_amd_vk and not with_shader_cache
 839   error('Radv requires shader cache support')
 840 endif
 841
 842 # Check for GCC style builtins
 843 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 844              'ffsll', 'popcount', 'popcountll', 'unreachable']
 845   if cc.has_function(b)
 846     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 847   endif
 848 endforeach
 849
 850 # check for GCC __attribute__
 851 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 852              'warn_unused_result', 'weak',]
 853   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 854                  name : '__attribute__((@0@))'.format(a))
 855     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 856   endif
 857 endforeach
 858 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 859                name : '__attribute__((format(...)))')
 860   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 861 endif
 862 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 863                name : '__attribute__((packed))')
 864   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 865 endif
 866 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 867                name : '__attribute__((returns_nonnull))')
 868   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 869 endif
 870 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 871                   int foo_hid(void) __attribute__((visibility("hidden")));
 872                   int foo_int(void) __attribute__((visibility("internal")));
 873                   int foo_pro(void) __attribute__((visibility("protected")));''',
 874                name : '__attribute__((visibility(...)))')
 875   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 876 endif
 877 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 878                name : '__attribute__((alias(...)))')
 879   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 880 endif
 881 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 882                name : '__attribute__((__noreturn__))')
 883   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 884 endif
 885 if cc.compiles('__uint128_t foo(void) { return 0; }',
 886                name : '__uint128_t')
 887   pre_args += '-DHAVE_UINT128'
 888 endif
 889
 890 # TODO: this is very incomplete
 891 if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd'].contains(host_machine.system())
 892   pre_args += '-D_GNU_SOURCE'
 893 elif host_machine.system() == 'sunos'
 894   pre_args += '-D__EXTENSIONS__'
 895 elif host_machine.system() == 'windows'
 896   pre_args += [
 897     '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-D_WINVER=0x0601',
 898     '-DPIPE_SUBSYSTEM_WINDOWS_USER',
 899     '-D_USE_MATH_DEFINES',  # XXX: scons doesn't use this for mingw
 900   ]
 901   if cc.get_id() == 'msvc'
 902     pre_args += [
 903       '-DVC_EXTRALEAN',
 904       '-D_CRT_SECURE_NO_WARNINGS',
 905       '-D_CRT_SECURE_NO_DEPRECATE',
 906       '-D_SCL_SECURE_NO_WARNINGS',
 907       '-D_SCL_SECURE_NO_DEPRECATE',
 908       '-D_ALLOW_KEYWORD_MACROS',
 909       '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
 910     ]
 911   else
 912     pre_args += ['-D__MSVCRT_VERSION__=0x0700']
 913   endif
 914 endif
 915
 916 # Check for generic C arguments
 917 c_args = []
 918 c_vis_args = []
 919 c_msvc_compat_args = []
 920 no_override_init_args = []
 921 cpp_args = []
 922 cpp_vis_args = []
 923 cpp_msvc_compat_args = []
 924 if cc.get_id() == 'msvc'
 925   foreach a : ['/wd4018',  # signed/unsigned mismatch
 926                '/wd4056',  # overflow in floating-point constant arithmetic
 927                '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
 928                '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
 929                '/wd4305',  # trancation from 'type1' to 'type2'
 930                '/wd4351',  # new behavior: elements of array 'array' will be default initialized
 931                '/wd4756',  # overflow in constant arithmetic
 932                '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
 933                '/wd4996',  # disabled deprecated POSIX name warnings
 934                '/wd4291']  # no matching operator delete found
 935     if cc.has_argument(a)
 936       c_args += a
 937     endif
 938     if cpp.has_argument(a)
 939       cpp_args += a
 940     endif
 941   endforeach
 942   if cc.has_argument('-Wmicrosoft-enum-value')  # Clang
 943     c_args += '-Wno-microsoft-enum-value'
 944     cpp_args += '-Wno-microsoft-enum-value'
 945   endif
 946 else
 947   _trial = [
 948     '-Werror=implicit-function-declaration',
 949     '-Werror=missing-prototypes',
 950     '-Werror=return-type',
 951     '-Werror=empty-body',
 952     '-Werror=incompatible-pointer-types',
 953     '-Wno-missing-field-initializers',
 954     '-Wno-format-truncation',
 955     '-fno-math-errno',
 956     '-fno-trapping-math',
 957     '-Qunused-arguments',
 958   ]
 959   # MinGW chokes on format specifiers and I can't get it all working
 960   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 961     _trial += ['-Werror=format', '-Wformat-security']
 962   endif
 963   foreach a : _trial
 964     if cc.has_argument(a)
 965       c_args += a
 966     endif
 967   endforeach
 968
 969   _trial = [
 970     '-Werror=return-type',
 971     '-Werror=empty-body',
 972     '-Wno-non-virtual-dtor',
 973     '-Wno-missing-field-initializers',
 974     '-Wno-format-truncation',
 975     '-fno-math-errno',
 976     '-fno-trapping-math',
 977     '-Qunused-arguments',
 978   ]
 979   # MinGW chokes on format specifiers and I can't get it all working
 980   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 981     _trial += ['-Werror=format', '-Wformat-security']
 982   endif
 983   foreach a : _trial
 984     if cpp.has_argument(a)
 985       cpp_args += a
 986     endif
 987   endforeach
 988
 989   foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 990     if cc.has_argument(a)
 991       no_override_init_args += a
 992     endif
 993   endforeach
 994
 995   if cc.has_argument('-fvisibility=hidden')
 996     c_vis_args += '-fvisibility=hidden'
 997   endif
 998
 999   # Check for C and C++ arguments for MSVC2013 compatibility. These are only
1000   # used in parts of the mesa code base that need to compile with old versions
1001   # of MSVC, mainly common code
1002   foreach a : ['-Werror=pointer-arith', '-Werror=vla']
1003     if cc.has_argument(a)
1004       c_msvc_compat_args += a
1005     endif
1006     if cpp.has_argument(a)
1007       cpp_msvc_compat_args += a
1008     endif
1009   endforeach
1010
1011   if cpp.has_argument('-fvisibility=hidden')
1012     cpp_vis_args += '-fvisibility=hidden'
1013   endif
1014
1015 endif
1016
1017 # set linker arguments
1018 if host_machine.system() == 'windows'
1019   if cc.get_id() == 'msvc'
1020     add_project_link_arguments(
1021       '/fixed:no',
1022       '/incremental:no',
1023       '/dynamicbase',
1024       '/nxcompat',
1025       language : ['c', 'cpp'],
1026     )
1027   else
1028     add_project_link_arguments(
1029       '-Wl,--nxcompat',
1030       '-Wl,--dynamicbase',
1031       '-static-libgcc',
1032       '-static-libstdc++',
1033       language : ['c', 'cpp'],
1034     )
1035   endif
1036 endif
1037
1038 if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1039   pre_args += '-DUSE_SSE41'
1040   with_sse41 = true
1041   sse41_args = ['-msse4.1']
1042
1043   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1044   # that's not guaranteed
1045   if host_machine.cpu_family() == 'x86'
1046     sse41_args += '-mstackrealign'
1047   endif
1048 else
1049   with_sse41 = false
1050   sse41_args = []
1051 endif
1052
1053 # Check for GCC style atomics
1054 dep_atomic = null_dep
1055
1056 if cc.compiles('''#include <stdint.h>
1057                   int main() {
1058                     struct {
1059                       uint64_t *v;
1060                     } x;
1061                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1062                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1063
1064                   }''',
1065                name : 'GCC atomic builtins')
1066   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1067
1068   # Not all atomic calls can be turned into lock-free instructions, in which
1069   # GCC will make calls into the libatomic library. Check whether we need to
1070   # link with -latomic.
1071   #
1072   # This can happen for 64-bit atomic operations on 32-bit architectures such
1073   # as ARM.
1074   if not cc.links('''#include <stdint.h>
1075                      int main() {
1076                        struct {
1077                          uint64_t *v;
1078                        } x;
1079                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1080                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1081                      }''',
1082                   name : 'GCC atomic builtins required -latomic')
1083     dep_atomic = cc.find_library('atomic')
1084   endif
1085 endif
1086 if not cc.links('''#include <stdint.h>
1087                    uint64_t v;
1088                    int main() {
1089                      return __sync_add_and_fetch(&v, (uint64_t)1);
1090                    }''',
1091                 dependencies : dep_atomic,
1092                 name : 'GCC 64bit atomics')
1093   pre_args += '-DMISSING_64BIT_ATOMICS'
1094 endif
1095
1096 dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1097
1098 # TODO: shared/static? Is this even worth doing?
1099
1100 with_asm_arch = ''
1101 if host_machine.cpu_family() == 'x86'
1102   if system_has_kms_drm or host_machine.system() == 'gnu'
1103     with_asm_arch = 'x86'
1104     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1105                  '-DUSE_SSE_ASM']
1106
1107     if with_glx_read_only_text
1108       pre_args += ['-DGLX_X86_READONLY_TEXT']
1109     endif
1110   endif
1111 elif host_machine.cpu_family() == 'x86_64'
1112   if system_has_kms_drm
1113     with_asm_arch = 'x86_64'
1114     pre_args += ['-DUSE_X86_64_ASM']
1115   endif
1116 elif host_machine.cpu_family() == 'arm'
1117   if system_has_kms_drm
1118     with_asm_arch = 'arm'
1119     pre_args += ['-DUSE_ARM_ASM']
1120   endif
1121 elif host_machine.cpu_family() == 'aarch64'
1122   if system_has_kms_drm
1123     with_asm_arch = 'aarch64'
1124     pre_args += ['-DUSE_AARCH64_ASM']
1125   endif
1126 elif host_machine.cpu_family() == 'sparc64'
1127   if system_has_kms_drm
1128     with_asm_arch = 'sparc'
1129     pre_args += ['-DUSE_SPARC_ASM']
1130   endif
1131 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1132   if system_has_kms_drm
1133     with_asm_arch = 'ppc64le'
1134     pre_args += ['-DUSE_PPC64LE_ASM']
1135   endif
1136 endif
1137
1138 # Check for standard headers and functions
1139 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1140   cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1141   cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1142   pre_args += '-DMAJOR_IN_SYSMACROS'
1143 endif
1144 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1145   cc.has_header_symbol('sys/mkdev.h', 'minor') and
1146   cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1147   pre_args += '-DMAJOR_IN_MKDEV'
1148 endif
1149
1150 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1151   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1152     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1153   endif
1154 endforeach
1155
1156 foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r', 'flock', 'strtok_r']
1157   if cc.has_function(f)
1158     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1159   endif
1160 endforeach
1161
1162 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1163                         args : '-D_GNU_SOURCE')
1164    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1165 elif with_tools.contains('intel')
1166   error('Intel tools require the program_invocation_name variable')
1167 endif
1168
1169 # MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1170 # This means that this check will succeed, but then compilation will later
1171 # fail. MSVC doesn't have this function at all, so only check for it on
1172 # non-windows platforms.
1173 if host_machine.system() != 'windows'
1174   if cc.has_function('posix_memalign')
1175     pre_args += '-DHAVE_POSIX_MEMALIGN'
1176   endif
1177 endif
1178
1179 # strtod locale support
1180 if cc.links('''
1181     #define _GNU_SOURCE
1182     #include <stdlib.h>
1183     #include <locale.h>
1184     #ifdef HAVE_XLOCALE_H
1185     #include <xlocale.h>
1186     #endif
1187     int main() {
1188       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1189       const char *s = "1.0";
1190       char *end;
1191       double d = strtod_l(s, end, loc);
1192       float f = strtof_l(s, end, loc);
1193       freelocale(loc);
1194       return 0;
1195     }''',
1196     args : pre_args,
1197     name : 'strtod has locale support')
1198   pre_args += '-DHAVE_STRTOD_L'
1199 endif
1200
1201 # Check for some linker flags
1202 ld_args_bsymbolic = []
1203 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1204   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1205 endif
1206 ld_args_gc_sections = []
1207 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1208             args : '-Wl,--gc-sections', name : 'gc-sections')
1209   ld_args_gc_sections += '-Wl,--gc-sections'
1210 endif
1211 with_ld_version_script = false
1212 if cc.links('int main() { return 0; }',
1213             args : '-Wl,--version-script=@0@'.format(
1214               join_paths(meson.source_root(), 'build-support/conftest.map')),
1215             name : 'version-script')
1216   with_ld_version_script = true
1217 endif
1218 with_ld_dynamic_list = false
1219 if cc.links('int main() { return 0; }',
1220             args : '-Wl,--dynamic-list=@0@'.format(
1221               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1222             name : 'dynamic-list')
1223   with_ld_dynamic_list = true
1224 endif
1225
1226 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1227
1228 # check for dl support
1229 dep_dl = null_dep
1230 if not cc.has_function('dlopen')
1231   dep_dl = cc.find_library('dl', required : host_machine.system() != 'windows')
1232 endif
1233 if cc.has_function('dladdr', dependencies : dep_dl)
1234   # This is really only required for megadrivers
1235   pre_args += '-DHAVE_DLADDR'
1236 endif
1237
1238 if cc.has_function('dl_iterate_phdr')
1239   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1240 elif with_intel_vk
1241   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1242 elif with_dri_i965 and with_shader_cache
1243   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1244 endif
1245
1246 # Determine whether or not the rt library is needed for time functions
1247 if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1248   dep_clock = null_dep
1249 else
1250   dep_clock = cc.find_library('rt')
1251 endif
1252
1253 # TODO: some of these may be conditional
1254 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1255 pre_args += '-DHAVE_ZLIB'
1256
1257 _zstd = get_option('zstd')
1258 if _zstd != 'false'
1259   dep_zstd = dependency('libzstd', required : _zstd == 'true')
1260   if dep_zstd.found()
1261     pre_args += '-DHAVE_ZSTD'
1262   endif
1263 else
1264   dep_zstd = null_dep
1265 endif
1266
1267 dep_thread = dependency('threads')
1268 if dep_thread.found() and host_machine.system() != 'windows'
1269   pre_args += '-DHAVE_PTHREAD'
1270   if cc.has_function(
1271       'pthread_setaffinity_np',
1272       dependencies : dep_thread,
1273       prefix : '#include <pthread.h>',
1274       args : '-D_GNU_SOURCE')
1275     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1276   endif
1277   if cc.has_function(
1278       'pthread_setaffinity_np',
1279       dependencies : dep_thread,
1280       prefix : '#include <pthread_np.h>')
1281     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1282   endif
1283 endif
1284 if host_machine.system() != 'windows'
1285   dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1286 else
1287   dep_expat = null_dep
1288 endif
1289 # this only exists on linux so either this is linux and it will be found, or
1290 # it's not linux and wont
1291 dep_m = cc.find_library('m', required : false)
1292
1293 # Check for libdrm. Various drivers have different libdrm version requirements,
1294 # but we always want to use the same version for all libdrm modules. That means
1295 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1296 # bar are both on use 2.4.3 for both of them
1297 dep_libdrm_amdgpu = null_dep
1298 dep_libdrm_radeon = null_dep
1299 dep_libdrm_nouveau = null_dep
1300 dep_libdrm_intel = null_dep
1301
1302 _drm_amdgpu_ver = '2.4.100'
1303 _drm_radeon_ver = '2.4.71'
1304 _drm_nouveau_ver = '2.4.66'
1305 _drm_intel_ver = '2.4.75'
1306 _drm_ver = '2.4.81'
1307
1308 _libdrm_checks = [
1309   ['intel', with_dri_i915 or with_gallium_i915],
1310   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1311   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1312               with_gallium_r300 or with_gallium_r600)],
1313   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1314 ]
1315
1316 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1317 # library.
1318 if with_gallium_vc4
1319   _drm_ver = '2.4.89'
1320 endif
1321
1322 # etnaviv only needs core libdrm
1323 if with_gallium_etnaviv
1324   _drm_ver = '2.4.89'
1325 endif
1326
1327 # Loop over the enables versions and get the highest libdrm requirement for all
1328 # active drivers.
1329 _drm_blame = ''
1330 foreach d : _libdrm_checks
1331   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1332   if d[1] and ver.version_compare('>' + _drm_ver)
1333     _drm_ver = ver
1334     _drm_blame = d[0]
1335   endif
1336 endforeach
1337 if _drm_blame != ''
1338   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1339 endif
1340
1341 # Then get each libdrm module
1342 foreach d : _libdrm_checks
1343   if d[1]
1344     set_variable(
1345       'dep_libdrm_' + d[0],
1346       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1347     )
1348   endif
1349 endforeach
1350
1351 with_gallium_drisw_kms = false
1352 dep_libdrm = dependency(
1353   'libdrm', version : '>=' + _drm_ver,
1354   required : with_dri2 or with_dri3
1355 )
1356 if dep_libdrm.found()
1357   pre_args += '-DHAVE_LIBDRM'
1358   if with_dri_platform == 'drm' and with_dri
1359     with_gallium_drisw_kms = true
1360   endif
1361 endif
1362
1363 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
1364 llvm_optional_modules = ['coroutines']
1365 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1366   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1367   if with_gallium_r600
1368     llvm_modules += 'asmparser'
1369   endif
1370 endif
1371 if with_gallium_opencl
1372   llvm_modules += [
1373     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1374     'lto', 'option', 'objcarcopts', 'profiledata',
1375   ]
1376 endif
1377
1378 if with_amd_vk or with_gallium_radeonsi
1379   _llvm_version = '>= 8.0.0'
1380 elif with_gallium_swr
1381   _llvm_version = '>= 6.0.0'
1382 else
1383   _llvm_version = '>= 3.9.0'
1384 endif
1385
1386 _shared_llvm = get_option('shared-llvm')
1387 _llvm = get_option('llvm')
1388
1389 # The cmake method will never find libllvm.so|dylib; this is fine for windows
1390 # because llvm doesn't support libllvm.dll
1391 _llvm_method = 'config-tool'
1392 if (meson.version().version_compare('>= 0.51.0') and
1393     host_machine.system() == 'windows')
1394   _llvm_method = 'cmake'
1395 endif
1396
1397 dep_llvm = null_dep
1398 with_llvm = false
1399 if _llvm != 'false'
1400   dep_llvm = dependency(
1401     'llvm',
1402     version : _llvm_version,
1403     modules : llvm_modules,
1404     optional_modules : llvm_optional_modules,
1405     required : (
1406       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1407       with_gallium_opencl or _llvm == 'true'
1408     ),
1409     static : not _shared_llvm,
1410     method : _llvm_method,
1411     fallback : ['llvm', 'dep_llvm'],
1412   )
1413   with_llvm = dep_llvm.found()
1414 endif
1415 if with_llvm
1416   pre_args += '-DLLVM_AVAILABLE'
1417   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1418
1419   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1420   # programs, so we need to build all C++ code in mesa without rtti as well to
1421   # ensure that linking works.
1422   #
1423   # In meson 0.51.0 we can use cmake to find LLVM in addittion to meson's
1424   # builtin llvm-config based finder. A new generic variable getter method
1425   # has also been added, so we'll use that if we can, to cover the cmake case.
1426   if dep_llvm.type_name() == 'internal'
1427     _rtti = subproject('llvm').get_variable('has_rtti', true)
1428   elif meson.version().version_compare('>=0.51')
1429     # The CMake finder will return 'ON', the llvm-config will return 'YES'
1430     _rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1431   else
1432     _rtti = dep_llvm.get_configtool_variable('has-rtti') == 'YES'
1433   endif
1434   if not _rtti
1435     if with_gallium_nouveau
1436       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1437     elif with_gallium_opencl
1438       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1439     endif
1440     if cc.get_id() == 'msvc'
1441       cpp_args += '/GR-'
1442     else
1443       cpp_args += '-fno-rtti'
1444     endif
1445   endif
1446 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1447   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1448 elif with_gallium_opencl
1449   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1450 endif
1451
1452 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1453     (with_gallium_r600 and with_llvm))
1454   dep_elf = dependency('libelf', required : false)
1455   if not dep_elf.found()
1456     dep_elf = cc.find_library('elf')
1457   endif
1458 else
1459   dep_elf = null_dep
1460 endif
1461
1462 dep_glvnd = null_dep
1463 if with_glvnd
1464   dep_glvnd = dependency('libglvnd', version : '>= 1.2.0')
1465   pre_args += '-DUSE_LIBGLVND=1'
1466 endif
1467
1468 if with_valgrind != 'false'
1469   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1470   if dep_valgrind.found()
1471     pre_args += '-DHAVE_VALGRIND'
1472   endif
1473 else
1474   dep_valgrind = null_dep
1475 endif
1476
1477 # pthread stubs. Lets not and say we didn't
1478
1479 if host_machine.system() == 'windows'
1480   # Prefer the winflexbison versions, they're much easier to install and have
1481   # better windows support.
1482
1483   prog_flex = find_program('win_flex', required : false)
1484   if prog_flex.found()
1485     # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1486     # _fileno functions)
1487     prog_flex = [prog_flex, '--wincompat']
1488   else
1489     prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1490   endif
1491   # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1492   # __STDC__ macro to determine whether it's safe to use const keyword, but
1493   # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1494   prog_flex += '-DYY_USE_CONST='
1495
1496   prog_bison = find_program('win_bison', required : false)
1497   if not prog_bison.found()
1498     prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1499   endif
1500 else
1501   prog_bison = find_program('bison', required : with_any_opengl)
1502   prog_flex = find_program('flex', required : with_any_opengl)
1503 endif
1504
1505 dep_selinux = null_dep
1506 if get_option('selinux')
1507   dep_selinux = dependency('libselinux')
1508   pre_args += '-DMESA_SELINUX'
1509 endif
1510
1511 if with_libunwind != 'false'
1512   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1513   if dep_unwind.found()
1514     pre_args += '-DHAVE_LIBUNWIND'
1515   endif
1516 else
1517   dep_unwind = null_dep
1518 endif
1519
1520 if with_osmesa != 'none'
1521   if with_osmesa == 'gallium' and not with_gallium_softpipe
1522     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1523   endif
1524   if host_machine.system() == 'windows'
1525     osmesa_lib_name = 'osmesa'
1526   else
1527     osmesa_lib_name = 'OSMesa'
1528   endif
1529   osmesa_bits = get_option('osmesa-bits')
1530   if osmesa_bits != '8'
1531     if with_dri or with_glx != 'disabled'
1532       error('OSMesa bits must be 8 if building glx or dir based drivers')
1533     endif
1534     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1535     pre_args += [
1536       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1537     ]
1538   endif
1539 endif
1540
1541 # TODO: symbol mangling
1542
1543 if with_platform_wayland
1544   dep_wl_scanner = dependency('wayland-scanner', native: true)
1545   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1546   if dep_wl_scanner.version().version_compare('>= 1.15')
1547     wl_scanner_arg = 'private-code'
1548   else
1549     wl_scanner_arg = 'code'
1550   endif
1551   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1552   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1553   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1554   if with_egl
1555     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1556     dep_wayland_egl_headers = declare_dependency(
1557       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1558   endif
1559   wayland_dmabuf_xml = join_paths(
1560     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1561     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1562   )
1563   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1564 endif
1565
1566 dep_x11 = null_dep
1567 dep_xext = null_dep
1568 dep_xdamage = null_dep
1569 dep_xfixes = null_dep
1570 dep_x11_xcb = null_dep
1571 dep_xcb = null_dep
1572 dep_xcb_glx = null_dep
1573 dep_xcb_dri2 = null_dep
1574 dep_xcb_dri3 = null_dep
1575 dep_dri2proto = null_dep
1576 dep_glproto = null_dep
1577 dep_xxf86vm = null_dep
1578 dep_xcb_dri3 = null_dep
1579 dep_xcb_present = null_dep
1580 dep_xcb_sync = null_dep
1581 dep_xcb_xfixes = null_dep
1582 dep_xshmfence = null_dep
1583 dep_xcb_xrandr = null_dep
1584 dep_xlib_xrandr = null_dep
1585 if with_platform_x11
1586   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1587     dep_x11 = dependency('x11')
1588     dep_xext = dependency('xext')
1589     dep_xcb = dependency('xcb')
1590   elif with_glx == 'dri'
1591     dep_x11 = dependency('x11')
1592     dep_xext = dependency('xext')
1593     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1594     dep_xfixes = dependency('xfixes')
1595     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1596   endif
1597   if (with_any_vk or with_glx == 'dri' or with_egl or
1598        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1599         with_gallium_omx != 'disabled'))
1600     dep_xcb = dependency('xcb')
1601     dep_x11_xcb = dependency('x11-xcb')
1602     if with_dri_platform == 'drm' and not dep_libdrm.found()
1603       error('libdrm required for gallium video statetrackers when using x11')
1604     endif
1605   endif
1606   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1607     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1608
1609     if with_dri3
1610       pre_args += '-DHAVE_DRI3'
1611       dep_xcb_dri3 = dependency('xcb-dri3')
1612       dep_xcb_present = dependency('xcb-present')
1613       # until xcb-dri3 has been around long enough to make a hard-dependency:
1614       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1615           dep_xcb_present.version().version_compare('>= 1.13'))
1616         pre_args += '-DHAVE_DRI3_MODIFIERS'
1617       endif
1618       dep_xcb_sync = dependency('xcb-sync')
1619       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1620     endif
1621   endif
1622   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1623     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1624   endif
1625   if with_glx == 'dri'
1626     if with_dri_platform == 'drm'
1627       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1628       dep_xxf86vm = dependency('xxf86vm')
1629     endif
1630   endif
1631   if (with_egl or (
1632       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1633       with_gallium_omx != 'disabled'))
1634     dep_xcb_xfixes = dependency('xcb-xfixes')
1635   endif
1636   if with_xlib_lease
1637     dep_xcb_xrandr = dependency('xcb-randr')
1638     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1639   endif
1640 endif
1641
1642 if get_option('gallium-extra-hud')
1643   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1644 endif
1645
1646 _sensors = get_option('lmsensors')
1647 if _sensors != 'false'
1648   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1649   if dep_lmsensors.found()
1650     pre_args += '-DHAVE_LIBSENSORS=1'
1651   endif
1652 else
1653   dep_lmsensors = null_dep
1654 endif
1655
1656 foreach a : pre_args
1657   add_project_arguments(a, language : ['c', 'cpp'])
1658 endforeach
1659 foreach a : c_args
1660   add_project_arguments(a, language : ['c'])
1661 endforeach
1662 foreach a : cpp_args
1663   add_project_arguments(a, language : ['cpp'])
1664 endforeach
1665
1666 gl_priv_reqs = []
1667
1668 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1669   gl_priv_reqs += ['x11', 'xext', 'xcb']
1670 elif with_glx == 'dri'
1671   gl_priv_reqs += [
1672     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1673     'xcb-glx >= 1.8.1']
1674   if with_dri_platform == 'drm'
1675     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1676     gl_priv_reqs += 'xxf86vm'
1677   endif
1678 endif
1679 if dep_libdrm.found()
1680   gl_priv_reqs += 'libdrm >= 2.4.75'
1681 endif
1682
1683 gl_priv_libs = []
1684 if dep_thread.found()
1685   gl_priv_libs += ['-lpthread', '-pthread']
1686 endif
1687 if dep_m.found()
1688   gl_priv_libs += '-lm'
1689 endif
1690 if dep_dl.found()
1691   gl_priv_libs += '-ldl'
1692 endif
1693
1694 pkg = import('pkgconfig')
1695
1696 if host_machine.system() == 'windows'
1697   prog_dumpbin = find_program('dumpbin', required : false)
1698   with_symbols_check = prog_dumpbin.found() and with_tests
1699   symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
1700 else
1701   prog_nm = find_program('nm')
1702   with_symbols_check = with_tests
1703   symbols_check_args = ['--nm', prog_nm.path()]
1704 endif
1705
1706 # This quirk needs to be applied to sources with functions defined in assembly
1707 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1708 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1709
1710 subdir('include')
1711 subdir('bin')
1712 subdir('src')
1713
1714 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1715 # formatting below unless the first argument is passed as a variable. This has
1716 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1717 # for backwards compatibility.
1718 _with_opengl_string = with_opengl ? 'yes' : 'no'
1719
1720 lines = ['',
1721   'prefix:          ' + get_option('prefix'),
1722   'libdir:          ' + get_option('libdir'),
1723   'includedir:      ' + get_option('includedir'),
1724   '',
1725   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1726                                                     with_gles1 ? 'yes' : 'no',
1727                                                     with_gles2 ? 'yes' : 'no'),
1728 ]
1729
1730 if with_osmesa != 'none'
1731   lines += ''
1732   suffix = ''
1733   if with_osmesa == 'gallium'
1734     suffix = '(Gallium)'
1735   endif
1736   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1737 else
1738   lines += 'OSMesa:          no'
1739 endif
1740
1741 if with_dri
1742   lines += ''
1743   lines += 'DRI platform:    ' + with_dri_platform
1744   if dri_drivers.length() != 0 and dri_drivers != ['']
1745     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1746   else
1747     lines += 'DRI drivers:     no'
1748   endif
1749   lines += 'DRI driver dir:  ' + dri_drivers_path
1750 endif
1751
1752 if with_glx != 'disabled'
1753   lines += ''
1754   if with_glx == 'dri'
1755     lines += 'GLX:             DRI-based'
1756   elif with_glx == 'xlib'
1757     lines += 'GLX:             Xlib-based'
1758   elif with_glx == 'gallium-xlib'
1759     lines += 'GLX:             Xlib-based (Gallium)'
1760   else
1761     lines += 'GLX:             ' + with_glx
1762   endif
1763 endif
1764
1765 lines += ''
1766 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1767 if with_egl
1768   egl_drivers = []
1769   if with_dri
1770     egl_drivers += 'builtin:egl_dri2'
1771   endif
1772   if with_dri3
1773     egl_drivers += 'builtin:egl_dri3'
1774   endif
1775   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1776 endif
1777 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1778 if with_platforms
1779   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1780 endif
1781
1782 lines += ''
1783 if with_any_vk
1784   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1785   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1786 else
1787   lines += 'Vulkan drivers:  no'
1788 endif
1789
1790 lines += ''
1791 if with_llvm
1792   lines += 'llvm:            yes'
1793   lines += 'llvm-version:    ' + dep_llvm.version()
1794 else
1795   lines += 'llvm:            no'
1796 endif
1797
1798 lines += ''
1799 if with_gallium
1800   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1801   gallium_st = ['mesa']
1802   if with_gallium_xa
1803     gallium_st += 'xa'
1804   endif
1805   if with_gallium_xvmc
1806     gallium_st += 'xvmc'
1807   endif
1808   if with_gallium_xvmc
1809     gallium_st += 'xvmc'
1810   endif
1811   if with_gallium_vdpau
1812     gallium_st += 'vdpau'
1813   endif
1814   if with_gallium_omx != 'disabled'
1815     gallium_st += 'omx' + with_gallium_omx
1816   endif
1817   if with_gallium_va
1818     gallium_st += 'va'
1819   endif
1820   if with_gallium_st_nine
1821     gallium_st += 'nine'
1822   endif
1823   if with_gallium_opencl
1824     gallium_st += 'clover'
1825   endif
1826   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1827 else
1828   lines += 'Gallium:         no'
1829 endif
1830
1831 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1832
1833 lines += ''
1834 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1835
1836
1837 indent = '        '
1838 summary = indent + ('\n' + indent).join(lines)
1839 message('Configuration summary:\n@0@\n'.format(summary))