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'].contains(host_machine.system())
 128
 129 dri_drivers = get_option('dri-drivers')
 130 if dri_drivers.contains('auto')
 131   if system_has_kms_drm
 132     # TODO: PPC, Sparc
 133     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 134       dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 135     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 136       dri_drivers = []
 137     else
 138       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 139             host_machine.cpu_family()))
 140     endif
 141   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 142     # only swrast would make sense here, but gallium swrast is a much better default
 143     dri_drivers = []
 144   else
 145     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 146           host_machine.system()))
 147   endif
 148 endif
 149
 150 with_dri_i915 = dri_drivers.contains('i915')
 151 with_dri_i965 = dri_drivers.contains('i965')
 152 with_dri_r100 = dri_drivers.contains('r100')
 153 with_dri_r200 = dri_drivers.contains('r200')
 154 with_dri_nouveau = dri_drivers.contains('nouveau')
 155 with_dri_swrast = dri_drivers.contains('swrast')
 156
 157 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
 158
 159 gallium_drivers = get_option('gallium-drivers')
 160 if gallium_drivers.contains('auto')
 161   if system_has_kms_drm
 162     # TODO: PPC, Sparc
 163     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 164       gallium_drivers = [
 165         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 166       ]
 167     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 168       gallium_drivers = [
 169         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 170         'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
 171       ]
 172     else
 173       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 174             host_machine.cpu_family()))
 175     endif
 176   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 177     gallium_drivers = ['swrast']
 178   else
 179     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 180           host_machine.system()))
 181   endif
 182 endif
 183 with_gallium_kmsro = gallium_drivers.contains('kmsro')
 184 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
 185 with_gallium_r300 = gallium_drivers.contains('r300')
 186 with_gallium_r600 = gallium_drivers.contains('r600')
 187 with_gallium_nouveau = gallium_drivers.contains('nouveau')
 188 with_gallium_freedreno = gallium_drivers.contains('freedreno')
 189 with_gallium_softpipe = gallium_drivers.contains('swrast')
 190 with_gallium_vc4 = gallium_drivers.contains('vc4')
 191 with_gallium_v3d = gallium_drivers.contains('v3d')
 192 with_gallium_panfrost = gallium_drivers.contains('panfrost')
 193 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
 194 with_gallium_tegra = gallium_drivers.contains('tegra')
 195 with_gallium_iris = gallium_drivers.contains('iris')
 196 with_gallium_i915 = gallium_drivers.contains('i915')
 197 with_gallium_svga = gallium_drivers.contains('svga')
 198 with_gallium_virgl = gallium_drivers.contains('virgl')
 199 with_gallium_swr = gallium_drivers.contains('swr')
 200 with_gallium_lima = gallium_drivers.contains('lima')
 201
 202 if cc.get_id() == 'intel'
 203   if meson.version().version_compare('< 0.49.0')
 204     error('Meson does not have sufficient support of ICC before 0.49.0 to compile mesa')
 205   elif with_gallium_swr and meson.version().version_compare('== 0.49.0')
 206     warning('Meson as of 0.49.0 is sufficient for compiling mesa with ICC, but there are some caveats with SWR. 0.49.1 should resolve all of these')
 207   endif
 208 endif
 209
 210 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 211
 212 if with_gallium and system_has_kms_drm
 213   _glx = get_option('glx')
 214   _egl = get_option('egl')
 215   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 216     with_dri = true
 217   endif
 218 endif
 219
 220 _vulkan_drivers = get_option('vulkan-drivers')
 221 if _vulkan_drivers.contains('auto')
 222   if system_has_kms_drm
 223     if host_machine.cpu_family().startswith('x86')
 224       _vulkan_drivers = ['amd', 'intel']
 225     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 226       _vulkan_drivers = []
 227     else
 228       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 229             host_machine.cpu_family()))
 230     endif
 231   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 232     # No vulkan driver supports windows or macOS currently
 233     _vulkan_drivers = []
 234   else
 235     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 236           host_machine.system()))
 237   endif
 238 endif
 239
 240 with_intel_vk = _vulkan_drivers.contains('intel')
 241 with_amd_vk = _vulkan_drivers.contains('amd')
 242 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 243 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 244
 245 if with_freedreno_vk and get_option('I-love-half-baked-turnips') != true
 246   error('Cannot enable freedreno vulkan driver')
 247 endif
 248
 249 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 250   error('Only one swrast provider can be built')
 251 endif
 252 if with_dri_i915 and with_gallium_i915
 253   error('Only one i915 provider can be built')
 254 endif
 255 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)
 256   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
 257 endif
 258 if with_gallium_tegra and not with_gallium_nouveau
 259   error('tegra driver requires nouveau driver')
 260 endif
 261
 262 if host_machine.system() == 'darwin'
 263   with_dri_platform = 'apple'
 264   pre_args += '-DBUILDING_MESA'
 265 elif ['windows', 'cygwin'].contains(host_machine.system())
 266   with_dri_platform = 'windows'
 267 elif system_has_kms_drm
 268   with_dri_platform = 'drm'
 269 else
 270   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 271   # assert here that one of those cases has been met.
 272   # FIXME: illumos ends up here as well
 273   with_dri_platform = 'none'
 274 endif
 275
 276 _platforms = get_option('platforms')
 277 if _platforms.contains('auto')
 278   if system_has_kms_drm
 279     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 280   elif ['darwin', 'cygwin'].contains(host_machine.system())
 281     _platforms = ['x11', 'surfaceless']
 282   elif ['haiku'].contains(host_machine.system())
 283     _platforms = ['haiku']
 284   elif host_machine.system() == 'windows'
 285     _platforms = ['windows']
 286   else
 287     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 288           host_machine.system()))
 289   endif
 290 endif
 291
 292 with_platform_android = _platforms.contains('android')
 293 with_platform_x11 = _platforms.contains('x11')
 294 with_platform_wayland = _platforms.contains('wayland')
 295 with_platform_drm = _platforms.contains('drm')
 296 with_platform_haiku = _platforms.contains('haiku')
 297 with_platform_surfaceless = _platforms.contains('surfaceless')
 298 with_platform_windows = _platforms.contains('windows')
 299
 300 with_platforms = false
 301 if _platforms.length() != 0 and _platforms != ['']
 302   # sanity check that list contains no empty strings
 303   if _platforms.contains('')
 304     error('Invalid argument list given to -Dplatforms, please fix.')
 305   endif
 306   with_platforms = true
 307   egl_native_platform = _platforms[0]
 308 endif
 309
 310 _xlib_lease = get_option('xlib-lease')
 311 if _xlib_lease == 'auto'
 312   with_xlib_lease = with_platform_x11 and with_platform_drm
 313 else
 314   with_xlib_lease = _xlib_lease == 'true'
 315 endif
 316
 317 with_glx = get_option('glx')
 318 if with_glx == 'auto'
 319   if with_dri
 320     with_glx = 'dri'
 321   elif with_platform_haiku
 322     with_glx = 'disabled'
 323   elif host_machine.system() == 'windows'
 324     with_glx = 'disabled'
 325   elif with_gallium
 326     # Even when building just gallium drivers the user probably wants dri
 327     with_glx = 'dri'
 328   elif with_platform_x11 and with_any_opengl and not with_any_vk
 329     # The automatic behavior should not be to turn on xlib based glx when
 330     # building only vulkan drivers
 331     with_glx = 'xlib'
 332   else
 333     with_glx = 'disabled'
 334   endif
 335 endif
 336 if with_glx == 'dri'
 337    if with_gallium
 338       with_dri = true
 339    endif
 340 endif
 341
 342 if not (with_dri or with_gallium or with_glx != 'disabled')
 343   with_gles1 = false
 344   with_gles2 = false
 345   with_opengl = false
 346   with_any_opengl = false
 347   with_shared_glapi = false
 348 endif
 349
 350 _gbm = get_option('gbm')
 351 if _gbm == 'auto'
 352   with_gbm = system_has_kms_drm and with_dri
 353 else
 354   with_gbm = _gbm == 'true'
 355 endif
 356 if with_gbm and not system_has_kms_drm
 357   error('GBM only supports DRM/KMS platforms')
 358 endif
 359
 360 _egl = get_option('egl')
 361 if _egl == 'auto'
 362   with_egl = (
 363     not ['darwin', 'windows'].contains(host_machine.system()) and
 364     with_dri and with_shared_glapi and with_platforms
 365   )
 366 elif _egl == 'true'
 367   if not with_dri
 368     error('EGL requires dri')
 369   elif not with_shared_glapi
 370     error('EGL requires shared-glapi')
 371   elif not with_platforms
 372     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 373   elif not ['disabled', 'dri'].contains(with_glx)
 374     error('EGL requires dri, but a GLX is being built without dri')
 375   elif ['darwin', 'windows'].contains(host_machine.system())
 376     error('EGL is not available on Windows or MacOS')
 377   endif
 378   with_egl = true
 379 else
 380   with_egl = false
 381 endif
 382
 383 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
 384   if with_gallium_radeonsi
 385     error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
 386   endif
 387   if with_gallium_virgl
 388     error('Virgl requires the drm, surfaceless or android platform when using EGL')
 389   endif
 390 endif
 391
 392 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
 393 if not with_platform_android or get_option('platform-sdk-version') >= 29
 394   pre_args += '-DUSE_ELF_TLS'
 395 endif
 396
 397 if with_glx != 'disabled'
 398   if not (with_platform_x11 and with_any_opengl)
 399     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 400   elif with_glx == 'gallium-xlib'
 401     if not with_gallium
 402       error('Gallium-xlib based GLX requires at least one gallium driver')
 403     elif not with_gallium_softpipe
 404       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 405     elif with_dri
 406       error('gallium-xlib conflicts with any dri driver')
 407     endif
 408   elif with_glx == 'xlib'
 409     if with_dri
 410       error('xlib conflicts with any dri driver')
 411     endif
 412   elif with_glx == 'dri'
 413     if not with_shared_glapi
 414       error('dri based GLX requires shared-glapi')
 415     endif
 416   endif
 417 endif
 418
 419 with_glvnd = get_option('glvnd')
 420 if with_glvnd
 421   if with_platform_windows
 422     error('glvnd cannot be used on Windows')
 423   elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
 424     error('Cannot build glvnd support for GLX that is not DRI based.')
 425   elif with_glx == 'disabled' and not with_egl
 426     error('glvnd requires DRI based GLX and/or EGL')
 427   endif
 428   if get_option('egl-lib-suffix') != ''
 429     error('''EGL lib suffix can't be used with libglvnd''')
 430   endif
 431 endif
 432
 433 if with_vulkan_icd_dir == ''
 434   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 435 endif
 436
 437 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
 438   host_machine.system() == 'gnu')
 439 _dri3 = get_option('dri3')
 440 if _dri3 == 'auto'
 441   with_dri3 = system_has_kms_drm and with_dri2
 442 else
 443   with_dri3 = _dri3 == 'true'
 444 endif
 445
 446 if with_any_vk and (with_platform_x11 and not with_dri3)
 447   error('Vulkan drivers require dri3 for X11 support')
 448 endif
 449 if with_dri
 450   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 451     error('building dri drivers require at least one windowing system or classic osmesa')
 452   endif
 453 endif
 454
 455 prog_pkgconfig = find_program('pkg-config')
 456
 457 _vdpau = get_option('gallium-vdpau')
 458 if not system_has_kms_drm
 459   if _vdpau == 'true'
 460     error('VDPAU state tracker can only be build on unix-like OSes.')
 461   else
 462     _vdpau = 'false'
 463   endif
 464 elif not with_platform_x11
 465   if _vdpau == 'true'
 466     error('VDPAU state tracker requires X11 support.')
 467   else
 468     _vdpau = 'false'
 469   endif
 470 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 471           with_gallium_nouveau)
 472   if _vdpau == 'true'
 473     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 474   else
 475     _vdpau = 'false'
 476   endif
 477 endif
 478 dep_vdpau = null_dep
 479 with_gallium_vdpau = false
 480 if _vdpau != 'false'
 481   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 482   if dep_vdpau.found()
 483     dep_vdpau = declare_dependency(
 484       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 485     )
 486     with_gallium_vdpau = true
 487   endif
 488 endif
 489
 490 if with_gallium_vdpau
 491   pre_args += '-DHAVE_ST_VDPAU'
 492 endif
 493 vdpau_drivers_path = get_option('vdpau-libs-path')
 494 if vdpau_drivers_path == ''
 495   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 496 endif
 497
 498 _xvmc = get_option('gallium-xvmc')
 499 if not system_has_kms_drm
 500   if _xvmc == 'true'
 501     error('XVMC state tracker can only be build on unix-like OSes.')
 502   else
 503     _xvmc = 'false'
 504   endif
 505 elif not with_platform_x11
 506   if _xvmc == 'true'
 507     error('XVMC state tracker requires X11 support.')
 508   else
 509     _xvmc = 'false'
 510   endif
 511 elif not (with_gallium_r600 or with_gallium_nouveau)
 512   if _xvmc == 'true'
 513     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 514   else
 515     _xvmc = 'false'
 516   endif
 517 endif
 518 dep_xvmc = null_dep
 519 with_gallium_xvmc = false
 520 if _xvmc != 'false'
 521   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 522   with_gallium_xvmc = dep_xvmc.found()
 523 endif
 524
 525 xvmc_drivers_path = get_option('xvmc-libs-path')
 526 if xvmc_drivers_path == ''
 527   xvmc_drivers_path = get_option('libdir')
 528 endif
 529
 530 _omx = get_option('gallium-omx')
 531 if not system_has_kms_drm
 532   if ['auto', 'disabled'].contains(_omx)
 533     _omx = 'disabled'
 534   else
 535     error('OMX state tracker can only be built on unix-like OSes.')
 536   endif
 537 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 538   if ['auto', 'disabled'].contains(_omx)
 539     _omx = 'disabled'
 540   else
 541     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 542   endif
 543 endif
 544 with_gallium_omx = _omx
 545 dep_omx = null_dep
 546 dep_omx_other = []
 547 if ['auto', 'bellagio'].contains(_omx)
 548   dep_omx = dependency(
 549     'libomxil-bellagio', required : _omx == 'bellagio'
 550   )
 551   if dep_omx.found()
 552     with_gallium_omx = 'bellagio'
 553   endif
 554 endif
 555 if ['auto', 'tizonia'].contains(_omx)
 556   if with_dri and with_egl
 557     dep_omx = dependency(
 558       'libtizonia', version : '>= 0.10.0',
 559       required : _omx == 'tizonia',
 560     )
 561     dep_omx_other = [
 562       dependency('libtizplatform', required : _omx == 'tizonia'),
 563       dependency('tizilheaders', required : _omx == 'tizonia'),
 564     ]
 565     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 566       with_gallium_omx = 'tizonia'
 567     endif
 568   elif _omx == 'tizonia'
 569     error('OMX-Tizonia state tracker requires dri and egl')
 570   endif
 571 endif
 572 if _omx == 'auto'
 573   with_gallium_omx = 'disabled'
 574 else
 575   with_gallium_omx = _omx
 576 endif
 577
 578 pre_args += [
 579   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 580   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 581 ]
 582
 583
 584 omx_drivers_path = get_option('omx-libs-path')
 585
 586 if with_gallium_omx != 'disabled'
 587   # Figure out where to put the omx driver.
 588   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 589   # argument to meson's get_pkgconfig_variable method.
 590   if omx_drivers_path == ''
 591     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 592     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 593     if _omx_libdir == get_option('libdir')
 594       omx_drivers_path = _omx_drivers_dir
 595     else
 596       _omx_base_dir = []
 597       # This will fail on windows. Does OMX run on windows?
 598       _omx_libdir = _omx_libdir.split('/')
 599       _omx_drivers_dir = _omx_drivers_dir.split('/')
 600       foreach o : _omx_drivers_dir
 601         if not _omx_libdir.contains(o)
 602           _omx_base_dir += o
 603         endif
 604       endforeach
 605       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 606     endif
 607   endif
 608 endif
 609
 610 _va = get_option('gallium-va')
 611 if not system_has_kms_drm
 612   if _va == 'true'
 613     error('VA state tracker can only be built on unix-like OSes.')
 614   else
 615     _va = 'false'
 616   endif
 617 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 618   if _va == 'true'
 619     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 620   else
 621     _va = 'false'
 622   endif
 623 endif
 624 with_gallium_va = false
 625 dep_va = null_dep
 626 if _va != 'false'
 627   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 628   if dep_va.found()
 629     dep_va_headers = declare_dependency(
 630       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 631     )
 632     with_gallium_va = true
 633   endif
 634 endif
 635
 636 va_drivers_path = get_option('va-libs-path')
 637 if va_drivers_path == ''
 638   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 639 endif
 640
 641 _xa = get_option('gallium-xa')
 642 if not system_has_kms_drm
 643   if _xa == 'true'
 644     error('XA state tracker can only be built on unix-like OSes.')
 645   else
 646     _xa = 'false'
 647   endif
 648 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 649           or with_gallium_svga)
 650   if _xa == 'true'
 651     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 652   else
 653     _xa = 'false'
 654   endif
 655 endif
 656 with_gallium_xa = _xa != 'false'
 657
 658 d3d_drivers_path = get_option('d3d-drivers-path')
 659 if d3d_drivers_path == ''
 660   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 661 endif
 662
 663 with_gallium_st_nine =  get_option('gallium-nine')
 664 if with_gallium_st_nine
 665   if not with_gallium_softpipe
 666     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 667   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 668             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 669             or with_gallium_iris)
 670     error('The nine state tracker requires at least one non-swrast gallium driver.')
 671   endif
 672   if not with_dri3
 673     error('Using nine with wine requires dri3')
 674   endif
 675 endif
 676
 677 if get_option('power8') != 'false'
 678   # on old versions of meson the cpu family would return as ppc64le on little
 679   # endian power8, this was changed in 0.48 such that the family would always
 680   # be ppc64 regardless of endianness, and then the machine.endian() value
 681   # should be checked. Since we support versions < 0.48 we need to use
 682   # startswith.
 683   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 684     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 685       error('Altivec is not supported with gcc version < 4.8.')
 686     endif
 687     if cc.compiles('''
 688         #include <altivec.h>
 689         int main() {
 690           vector unsigned char r;
 691           vector unsigned int v = vec_splat_u32 (1);
 692           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 693           return 0;
 694         }''',
 695         args : '-mpower8-vector',
 696         name : 'POWER8 intrinsics')
 697       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 698     elif get_option('power8') == 'true'
 699       error('POWER8 intrinsic support required but not found.')
 700     endif
 701   endif
 702 endif
 703
 704 _opencl = get_option('gallium-opencl')
 705 clover_cpp_std = []
 706 if _opencl != 'disabled'
 707   if not with_gallium
 708     error('OpenCL Clover implementation requires at least one gallium driver.')
 709   endif
 710
 711   dep_clc = dependency('libclc')
 712   with_gallium_opencl = true
 713   with_opencl_icd = _opencl == 'icd'
 714
 715   with_opencl_spirv = get_option('opencl-spirv')
 716   if with_opencl_spirv
 717     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 718     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 719     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 720   else
 721     dep_spirv_tools = null_dep
 722     dep_llvmspirvlib = null_dep
 723   endif
 724
 725   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 726       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 727       #error "AltiVec not enabled"
 728       #endif''',
 729       name : 'Altivec')
 730     clover_cpp_std += ['cpp_std=gnu++11']
 731   endif
 732 else
 733   dep_clc = null_dep
 734   dep_spirv_tools = null_dep
 735   dep_llvmspirvlib = null_dep
 736   with_gallium_opencl = false
 737   with_opencl_icd = false
 738   with_opencl_spirv = false
 739 endif
 740
 741 gl_pkgconfig_c_flags = []
 742 if with_platform_x11
 743   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 744     pre_args += '-DHAVE_X11_PLATFORM'
 745   endif
 746   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 747     pre_args += '-DUSE_XSHM'
 748   else
 749     pre_args += '-DGLX_INDIRECT_RENDERING'
 750     if with_glx_direct
 751       pre_args += '-DGLX_DIRECT_RENDERING'
 752     endif
 753     if with_dri_platform == 'drm'
 754       pre_args += '-DGLX_USE_DRM'
 755     elif with_dri_platform == 'apple'
 756       pre_args += '-DGLX_USE_APPLEGL'
 757     elif with_dri_platform == 'windows'
 758       pre_args += '-DGLX_USE_WINDOWSGL'
 759     endif
 760   endif
 761 else
 762   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 763   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 764 endif
 765 if with_platform_drm
 766   if with_egl and not with_gbm
 767     error('EGL drm platform requires gbm')
 768   endif
 769   pre_args += '-DHAVE_DRM_PLATFORM'
 770 endif
 771 if with_platform_surfaceless
 772   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 773 endif
 774 if with_platform_android
 775   dep_android = [
 776     dependency('cutils'),
 777     dependency('hardware'),
 778     dependency('sync'),
 779   ]
 780   if get_option('platform-sdk-version') >= 26
 781     dep_android += dependency('nativewindow')
 782   endif
 783   pre_args += '-DHAVE_ANDROID_PLATFORM'
 784 endif
 785 if with_platform_haiku
 786   pre_args += '-DHAVE_HAIKU_PLATFORM'
 787 endif
 788
 789 if meson.version().version_compare('>=0.50')
 790   prog_python = import('python').find_installation('python3')
 791 else
 792   prog_python = import('python3').find_python()
 793 endif
 794 has_mako = run_command(
 795   prog_python, '-c',
 796   '''
 797 from distutils.version import StrictVersion
 798 import mako
 799 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 800   ''')
 801 if has_mako.returncode() != 0
 802   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 803 endif
 804
 805 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 806   error('When using GCC, version 4.4.6 or later is required.')
 807 endif
 808
 809 # Support systems without ETIME (e.g. FreeBSD)
 810 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
 811   pre_args += '-DETIME=ETIMEDOUT'
 812 endif
 813
 814 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 815 if get_option('buildtype') == 'debug'
 816   pre_args += '-DDEBUG'
 817 endif
 818
 819 with_shader_cache = false
 820 _shader_cache = get_option('shader-cache')
 821 if _shader_cache != 'false'
 822   if host_machine.system() == 'windows'
 823     if _shader_cache == 'true'
 824       error('Shader Cache does not currently work on Windows')
 825     endif
 826   else
 827     pre_args += '-DENABLE_SHADER_CACHE'
 828     with_shader_cache = true
 829   endif
 830 endif
 831 if with_amd_vk and not with_shader_cache
 832   error('Radv requires shader cache support')
 833 endif
 834
 835 # Check for GCC style builtins
 836 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 837              'ffsll', 'popcount', 'popcountll', 'unreachable']
 838   if cc.has_function(b)
 839     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 840   endif
 841 endforeach
 842
 843 # check for GCC __attribute__
 844 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 845              'warn_unused_result', 'weak',]
 846   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 847                  name : '__attribute__((@0@))'.format(a))
 848     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 849   endif
 850 endforeach
 851 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 852                name : '__attribute__((format(...)))')
 853   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 854 endif
 855 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 856                name : '__attribute__((packed))')
 857   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 858 endif
 859 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 860                name : '__attribute__((returns_nonnull))')
 861   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 862 endif
 863 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 864                   int foo_hid(void) __attribute__((visibility("hidden")));
 865                   int foo_int(void) __attribute__((visibility("internal")));
 866                   int foo_pro(void) __attribute__((visibility("protected")));''',
 867                name : '__attribute__((visibility(...)))')
 868   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 869 endif
 870 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 871                name : '__attribute__((alias(...)))')
 872   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 873 endif
 874 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 875                name : '__attribute__((__noreturn__))')
 876   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 877 endif
 878 if cc.compiles('__uint128_t foo(void) { return 0; }',
 879                name : '__uint128_t')
 880   pre_args += '-DHAVE_UINT128'
 881 endif
 882
 883 # TODO: this is very incomplete
 884 if ['linux', 'cygwin', 'gnu', 'gnu/kfreebsd'].contains(host_machine.system())
 885   pre_args += '-D_GNU_SOURCE'
 886 endif
 887
 888 # Check for generic C arguments
 889 c_args = []
 890 foreach a : ['-Werror=implicit-function-declaration',
 891              '-Werror=missing-prototypes',
 892              '-Werror=return-type',
 893              '-Werror=incompatible-pointer-types',
 894              '-Werror=format',
 895              '-Wformat-security',
 896              '-Wno-missing-field-initializers',
 897              '-Wno-format-truncation',
 898              '-fno-math-errno',
 899              '-fno-trapping-math',
 900              '-Qunused-arguments']
 901   if cc.has_argument(a)
 902     c_args += a
 903   endif
 904 endforeach
 905
 906 c_vis_args = []
 907 if cc.has_argument('-fvisibility=hidden')
 908   c_vis_args += '-fvisibility=hidden'
 909 endif
 910
 911 # Check for generic C++ arguments
 912 cpp_args = []
 913 foreach a : ['-Werror=return-type',
 914              '-Werror=format',
 915              '-Wformat-security',
 916              '-Wno-non-virtual-dtor',
 917              '-Wno-missing-field-initializers',
 918              '-Wno-format-truncation',
 919              '-fno-math-errno',
 920              '-fno-trapping-math',
 921              '-Qunused-arguments']
 922   if cpp.has_argument(a)
 923     cpp_args += a
 924   endif
 925 endforeach
 926
 927 no_override_init_args = []
 928 foreach a : ['-Wno-override-init',
 929              '-Wno-initializer-overrides']
 930   if cc.has_argument(a)
 931     no_override_init_args += a
 932   endif
 933 endforeach
 934
 935 cpp_vis_args = []
 936 if cpp.has_argument('-fvisibility=hidden')
 937   cpp_vis_args += '-fvisibility=hidden'
 938 endif
 939
 940 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 941 # in parts of the mesa code base that need to compile with old versions of
 942 # MSVC, mainly common code
 943 c_msvc_compat_args = []
 944 cpp_msvc_compat_args = []
 945 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 946   if cc.has_argument(a)
 947     c_msvc_compat_args += a
 948   endif
 949   if cpp.has_argument(a)
 950     cpp_msvc_compat_args += a
 951   endif
 952 endforeach
 953
 954 if host_machine.cpu_family().startswith('x86')
 955   pre_args += '-DUSE_SSE41'
 956   with_sse41 = true
 957   sse41_args = ['-msse4.1']
 958
 959   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 960   # that's not guaranteed
 961   if host_machine.cpu_family() == 'x86'
 962     sse41_args += '-mstackrealign'
 963   endif
 964 else
 965   with_sse41 = false
 966   sse41_args = []
 967 endif
 968
 969 # Check for GCC style atomics
 970 dep_atomic = null_dep
 971
 972 if cc.compiles('''#include <stdint.h>
 973                   int main() {
 974                     struct {
 975                       uint64_t *v;
 976                     } x;
 977                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 978                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 979
 980                   }''',
 981                name : 'GCC atomic builtins')
 982   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 983
 984   # Not all atomic calls can be turned into lock-free instructions, in which
 985   # GCC will make calls into the libatomic library. Check whether we need to
 986   # link with -latomic.
 987   #
 988   # This can happen for 64-bit atomic operations on 32-bit architectures such
 989   # as ARM.
 990   if not cc.links('''#include <stdint.h>
 991                      int main() {
 992                        struct {
 993                          uint64_t *v;
 994                        } x;
 995                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 996                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 997                      }''',
 998                   name : 'GCC atomic builtins required -latomic')
 999     dep_atomic = cc.find_library('atomic')
1000   endif
1001 endif
1002 if not cc.links('''#include <stdint.h>
1003                    uint64_t v;
1004                    int main() {
1005                      return __sync_add_and_fetch(&v, (uint64_t)1);
1006                    }''',
1007                 dependencies : dep_atomic,
1008                 name : 'GCC 64bit atomics')
1009   pre_args += '-DMISSING_64BIT_ATOMICS'
1010 endif
1011
1012 # TODO: shared/static? Is this even worth doing?
1013
1014 with_asm_arch = ''
1015 if host_machine.cpu_family() == 'x86'
1016   if system_has_kms_drm or host_machine.system() == 'gnu'
1017     with_asm_arch = 'x86'
1018     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1019                  '-DUSE_SSE_ASM']
1020
1021     if with_glx_read_only_text
1022       pre_args += ['-DGLX_X86_READONLY_TEXT']
1023     endif
1024   endif
1025 elif host_machine.cpu_family() == 'x86_64'
1026   if system_has_kms_drm
1027     with_asm_arch = 'x86_64'
1028     pre_args += ['-DUSE_X86_64_ASM']
1029   endif
1030 elif host_machine.cpu_family() == 'arm'
1031   if system_has_kms_drm
1032     with_asm_arch = 'arm'
1033     pre_args += ['-DUSE_ARM_ASM']
1034   endif
1035 elif host_machine.cpu_family() == 'aarch64'
1036   if system_has_kms_drm
1037     with_asm_arch = 'aarch64'
1038     pre_args += ['-DUSE_AARCH64_ASM']
1039   endif
1040 elif host_machine.cpu_family() == 'sparc64'
1041   if system_has_kms_drm
1042     with_asm_arch = 'sparc'
1043     pre_args += ['-DUSE_SPARC_ASM']
1044   endif
1045 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1046   if system_has_kms_drm
1047     with_asm_arch = 'ppc64le'
1048     pre_args += ['-DUSE_PPC64LE_ASM']
1049   endif
1050 endif
1051
1052 # Check for standard headers and functions
1053 if cc.has_header_symbol('sys/sysmacros.h', 'major')
1054   pre_args += '-DMAJOR_IN_SYSMACROS'
1055 elif cc.has_header_symbol('sys/mkdev.h', 'major')
1056   pre_args += '-DMAJOR_IN_MKDEV'
1057 endif
1058
1059 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1060   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1061     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1062   endif
1063 endforeach
1064
1065 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create', 'random_r']
1066   if cc.has_function(f)
1067     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1068   endif
1069 endforeach
1070
1071 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1072                         args : '-D_GNU_SOURCE')
1073    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1074 elif with_tools.contains('intel')
1075   error('Intel tools require the program_invocation_name variable')
1076 endif
1077
1078 # strtod locale support
1079 if cc.links('''
1080     #define _GNU_SOURCE
1081     #include <stdlib.h>
1082     #include <locale.h>
1083     #ifdef HAVE_XLOCALE_H
1084     #include <xlocale.h>
1085     #endif
1086     int main() {
1087       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1088       const char *s = "1.0";
1089       char *end;
1090       double d = strtod_l(s, end, loc);
1091       float f = strtof_l(s, end, loc);
1092       freelocale(loc);
1093       return 0;
1094     }''',
1095     args : pre_args,
1096     name : 'strtod has locale support')
1097   pre_args += '-DHAVE_STRTOD_L'
1098 endif
1099
1100 # Check for some linker flags
1101 ld_args_bsymbolic = []
1102 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1103   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1104 endif
1105 ld_args_gc_sections = []
1106 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1107             args : '-Wl,--gc-sections', name : 'gc-sections')
1108   ld_args_gc_sections += '-Wl,--gc-sections'
1109 endif
1110 with_ld_version_script = false
1111 if cc.links('int main() { return 0; }',
1112             args : '-Wl,--version-script=@0@'.format(
1113               join_paths(meson.source_root(), 'build-support/conftest.map')),
1114             name : 'version-script')
1115   with_ld_version_script = true
1116 endif
1117 with_ld_dynamic_list = false
1118 if cc.links('int main() { return 0; }',
1119             args : '-Wl,--dynamic-list=@0@'.format(
1120               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1121             name : 'dynamic-list')
1122   with_ld_dynamic_list = true
1123 endif
1124 ld_args_build_id = []
1125 if build_machine.system() != 'darwin'
1126    ld_args_build_id += '-Wl,--build-id=sha1'
1127 endif
1128
1129 # check for dl support
1130 dep_dl = null_dep
1131 if host_machine.system() != 'windows'
1132   if not cc.has_function('dlopen')
1133     dep_dl = cc.find_library('dl')
1134   endif
1135   if cc.has_function('dladdr', dependencies : dep_dl)
1136     # This is really only required for megadrivers
1137     pre_args += '-DHAVE_DLADDR'
1138   endif
1139 endif
1140
1141 if cc.has_function('dl_iterate_phdr')
1142   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1143 elif with_intel_vk
1144   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1145 elif with_dri_i965 and with_shader_cache
1146   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1147 endif
1148
1149 # Determine whether or not the rt library is needed for time functions
1150 if cc.has_function('clock_gettime')
1151   dep_clock = null_dep
1152 else
1153   dep_clock = cc.find_library('rt')
1154 endif
1155
1156 # TODO: some of these may be conditional
1157 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1158 pre_args += '-DHAVE_ZLIB'
1159 dep_thread = dependency('threads')
1160 if dep_thread.found() and host_machine.system() != 'windows'
1161   pre_args += '-DHAVE_PTHREAD'
1162   if cc.has_function(
1163       'pthread_setaffinity_np',
1164       dependencies : dep_thread,
1165       prefix : '#include <pthread.h>',
1166       args : '-D_GNU_SOURCE')
1167     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1168   endif
1169   if cc.has_function(
1170       'pthread_setaffinity_np',
1171       dependencies : dep_thread,
1172       prefix : '#include <pthread_np.h>')
1173     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1174   endif
1175 endif
1176 dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1177 # this only exists on linux so either this is linux and it will be found, or
1178 # it's not linux and wont
1179 dep_m = cc.find_library('m', required : false)
1180
1181 # Check for libdrm. Various drivers have different libdrm version requirements,
1182 # but we always want to use the same version for all libdrm modules. That means
1183 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1184 # bar are both on use 2.4.3 for both of them
1185 dep_libdrm_amdgpu = null_dep
1186 dep_libdrm_radeon = null_dep
1187 dep_libdrm_nouveau = null_dep
1188 dep_libdrm_intel = null_dep
1189
1190 _drm_amdgpu_ver = '2.4.99'
1191 _drm_radeon_ver = '2.4.71'
1192 _drm_nouveau_ver = '2.4.66'
1193 _drm_intel_ver = '2.4.75'
1194 _drm_ver = '2.4.81'
1195
1196 _libdrm_checks = [
1197   ['intel', with_dri_i915 or with_gallium_i915],
1198   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1199   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1200               with_gallium_r300 or with_gallium_r600)],
1201   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1202 ]
1203
1204 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1205 # library.
1206 if with_gallium_vc4
1207   _drm_ver = '2.4.89'
1208 endif
1209
1210 # etnaviv only needs core libdrm
1211 if with_gallium_etnaviv
1212   _drm_ver = '2.4.89'
1213 endif
1214
1215 # Loop over the enables versions and get the highest libdrm requirement for all
1216 # active drivers.
1217 _drm_blame = ''
1218 foreach d : _libdrm_checks
1219   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1220   if d[1] and ver.version_compare('>' + _drm_ver)
1221     _drm_ver = ver
1222     _drm_blame = d[0]
1223   endif
1224 endforeach
1225 if _drm_blame != ''
1226   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1227 endif
1228
1229 # Then get each libdrm module
1230 foreach d : _libdrm_checks
1231   if d[1]
1232     set_variable(
1233       'dep_libdrm_' + d[0],
1234       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1235     )
1236   endif
1237 endforeach
1238
1239 with_gallium_drisw_kms = false
1240 dep_libdrm = dependency(
1241   'libdrm', version : '>=' + _drm_ver,
1242   required : with_dri2 or with_dri3
1243 )
1244 if dep_libdrm.found()
1245   pre_args += '-DHAVE_LIBDRM'
1246   if with_dri_platform == 'drm' and with_dri
1247     with_gallium_drisw_kms = true
1248   endif
1249 endif
1250
1251 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1252 llvm_optional_modules = []
1253 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1254   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1255   if with_gallium_r600
1256     llvm_modules += 'asmparser'
1257   endif
1258 endif
1259 if with_gallium_opencl
1260   llvm_modules += [
1261     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1262     'lto', 'option', 'objcarcopts', 'profiledata',
1263   ]
1264 endif
1265 if with_gallium_opencl or with_gallium_softpipe
1266   llvm_optional_modules += ['coroutines']
1267 endif
1268
1269 if with_amd_vk or with_gallium_radeonsi
1270   _llvm_version = '>= 8.0.0'
1271 elif with_gallium_swr
1272   _llvm_version = '>= 6.0.0'
1273 else
1274   _llvm_version = '>= 3.9.0'
1275 endif
1276
1277 _shared_llvm = get_option('shared-llvm')
1278
1279 _llvm = get_option('llvm')
1280 dep_llvm = null_dep
1281 with_llvm = false
1282 if _llvm != 'false'
1283   dep_llvm = dependency(
1284     'llvm',
1285     version : _llvm_version,
1286     modules : llvm_modules,
1287     optional_modules : llvm_optional_modules,
1288     required : (
1289       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1290       with_gallium_opencl or _llvm == 'true'
1291     ),
1292     static : not _shared_llvm,
1293     method : 'config-tool',
1294   )
1295   with_llvm = dep_llvm.found()
1296 endif
1297 if with_llvm
1298   pre_args += '-DLLVM_AVAILABLE'
1299   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1300
1301   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1302   # programs, so we need to build all C++ code in mesa without rtti as well to
1303   # ensure that linking works.
1304   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1305     if with_gallium_nouveau
1306       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1307     elif with_gallium_opencl
1308       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1309     endif
1310     cpp_args += '-fno-rtti'
1311   endif
1312 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1313   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1314 elif with_gallium_opencl
1315   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1316 endif
1317
1318 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1319     (with_gallium_r600 and with_llvm))
1320   dep_elf = dependency('libelf', required : false)
1321   if not dep_elf.found()
1322     dep_elf = cc.find_library('elf')
1323   endif
1324 else
1325   dep_elf = null_dep
1326 endif
1327
1328 dep_glvnd = null_dep
1329 if with_glvnd
1330   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1331   # GLVND until commit 0dfaea2bcb7cdcc785f9 ("Add pkg-config files for EGL, GL,
1332   # GLES, and GLX.") was missing its pkg-config files, forcing every vendor to
1333   # provide them and the distro maintainers to resolve the conflict.
1334   glvnd_missing_pc_files = dep_glvnd.version().version_compare('< 1.2.0')
1335   pre_args += '-DUSE_LIBGLVND=1'
1336 endif
1337
1338 if with_valgrind != 'false'
1339   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1340   if dep_valgrind.found()
1341     pre_args += '-DHAVE_VALGRIND'
1342   endif
1343 else
1344   dep_valgrind = null_dep
1345 endif
1346
1347 # pthread stubs. Lets not and say we didn't
1348
1349 prog_bison = find_program('bison', required : with_any_opengl)
1350 prog_flex = find_program('flex', required : with_any_opengl)
1351
1352 dep_selinux = null_dep
1353 if get_option('selinux')
1354   dep_selinux = dependency('libselinux')
1355   pre_args += '-DMESA_SELINUX'
1356 endif
1357
1358 if with_libunwind != 'false'
1359   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1360   if dep_unwind.found()
1361     pre_args += '-DHAVE_LIBUNWIND'
1362   endif
1363 else
1364   dep_unwind = null_dep
1365 endif
1366
1367 if with_osmesa != 'none'
1368   if with_osmesa == 'gallium' and not with_gallium_softpipe
1369     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1370   endif
1371   osmesa_lib_name = 'OSMesa'
1372   osmesa_bits = get_option('osmesa-bits')
1373   if osmesa_bits != '8'
1374     if with_dri or with_glx != 'disabled'
1375       error('OSMesa bits must be 8 if building glx or dir based drivers')
1376     endif
1377     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1378     pre_args += [
1379       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1380     ]
1381   endif
1382 endif
1383
1384 # TODO: symbol mangling
1385
1386 if with_platform_wayland
1387   dep_wl_scanner = dependency('wayland-scanner', native: true)
1388   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1389   if dep_wl_scanner.version().version_compare('>= 1.15')
1390     wl_scanner_arg = 'private-code'
1391   else
1392     wl_scanner_arg = 'code'
1393   endif
1394   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1395   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1396   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1397   if with_egl
1398     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1399     dep_wayland_egl_headers = declare_dependency(
1400       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1401   endif
1402   wayland_dmabuf_xml = join_paths(
1403     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1404     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1405   )
1406   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1407 endif
1408
1409 dep_x11 = null_dep
1410 dep_xext = null_dep
1411 dep_xdamage = null_dep
1412 dep_xfixes = null_dep
1413 dep_x11_xcb = null_dep
1414 dep_xcb = null_dep
1415 dep_xcb_glx = null_dep
1416 dep_xcb_dri2 = null_dep
1417 dep_xcb_dri3 = null_dep
1418 dep_dri2proto = null_dep
1419 dep_glproto = null_dep
1420 dep_xxf86vm = null_dep
1421 dep_xcb_dri3 = null_dep
1422 dep_xcb_present = null_dep
1423 dep_xcb_sync = null_dep
1424 dep_xcb_xfixes = null_dep
1425 dep_xshmfence = null_dep
1426 dep_xcb_xrandr = null_dep
1427 dep_xlib_xrandr = null_dep
1428 if with_platform_x11
1429   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1430     dep_x11 = dependency('x11')
1431     dep_xext = dependency('xext')
1432     dep_xcb = dependency('xcb')
1433   elif with_glx == 'dri'
1434     dep_x11 = dependency('x11')
1435     dep_xext = dependency('xext')
1436     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1437     dep_xfixes = dependency('xfixes')
1438     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1439   endif
1440   if (with_any_vk or with_glx == 'dri' or with_egl or
1441        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1442         with_gallium_omx != 'disabled'))
1443     dep_xcb = dependency('xcb')
1444     dep_x11_xcb = dependency('x11-xcb')
1445   endif
1446   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1447     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1448
1449     if with_dri3
1450       pre_args += '-DHAVE_DRI3'
1451       dep_xcb_dri3 = dependency('xcb-dri3')
1452       dep_xcb_present = dependency('xcb-present')
1453       # until xcb-dri3 has been around long enough to make a hard-dependency:
1454       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1455           dep_xcb_present.version().version_compare('>= 1.13'))
1456         pre_args += '-DHAVE_DRI3_MODIFIERS'
1457       endif
1458       dep_xcb_sync = dependency('xcb-sync')
1459       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1460     endif
1461   endif
1462   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1463     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1464   endif
1465   if with_glx == 'dri'
1466     if with_dri_platform == 'drm'
1467       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1468       dep_xxf86vm = dependency('xxf86vm')
1469     endif
1470   endif
1471   if (with_egl or (
1472       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1473       with_gallium_omx != 'disabled'))
1474     dep_xcb_xfixes = dependency('xcb-xfixes')
1475   endif
1476   if with_xlib_lease
1477     dep_xcb_xrandr = dependency('xcb-randr')
1478     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1479   endif
1480 endif
1481
1482 if get_option('gallium-extra-hud')
1483   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1484 endif
1485
1486 _sensors = get_option('lmsensors')
1487 if _sensors != 'false'
1488   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1489   if dep_lmsensors.found()
1490     pre_args += '-DHAVE_LIBSENSORS=1'
1491   endif
1492 else
1493   dep_lmsensors = null_dep
1494 endif
1495
1496 foreach a : pre_args
1497   add_project_arguments(a, language : ['c', 'cpp'])
1498 endforeach
1499 foreach a : c_args
1500   add_project_arguments(a, language : ['c'])
1501 endforeach
1502 foreach a : cpp_args
1503   add_project_arguments(a, language : ['cpp'])
1504 endforeach
1505
1506 gl_priv_reqs = []
1507
1508 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1509   gl_priv_reqs += ['x11', 'xext', 'xcb']
1510 elif with_glx == 'dri'
1511   gl_priv_reqs += [
1512     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1513     'xcb-glx >= 1.8.1']
1514   if with_dri_platform == 'drm'
1515     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1516     gl_priv_reqs += 'xxf86vm'
1517   endif
1518 endif
1519 if dep_libdrm.found()
1520   gl_priv_reqs += 'libdrm >= 2.4.75'
1521 endif
1522
1523 gl_priv_libs = []
1524 if dep_thread.found()
1525   gl_priv_libs += ['-lpthread', '-pthread']
1526 endif
1527 if dep_m.found()
1528   gl_priv_libs += '-lm'
1529 endif
1530 if dep_dl.found()
1531   gl_priv_libs += '-ldl'
1532 endif
1533
1534 pkg = import('pkgconfig')
1535
1536 prog_nm = find_program('nm', required : false)
1537
1538 # This quirk needs to be applied to sources with functions defined in assembly
1539 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1540 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1541
1542 subdir('include')
1543 subdir('bin')
1544 subdir('src')
1545
1546 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1547 # formatting below unless the first argument is passed as a variable. This has
1548 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1549 # for backwards compatibility.
1550 _with_opengl_string = with_opengl ? 'yes' : 'no'
1551
1552 lines = ['',
1553   'prefix:          ' + get_option('prefix'),
1554   'libdir:          ' + get_option('libdir'),
1555   'includedir:      ' + get_option('includedir'),
1556   '',
1557   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1558                                                     with_gles1 ? 'yes' : 'no',
1559                                                     with_gles2 ? 'yes' : 'no'),
1560 ]
1561
1562 if with_osmesa != 'none'
1563   lines += ''
1564   suffix = ''
1565   if with_osmesa == 'gallium'
1566     suffix = '(Gallium)'
1567   endif
1568   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1569 else
1570   lines += 'OSMesa:          no'
1571 endif
1572
1573 if with_dri
1574   lines += ''
1575   lines += 'DRI platform:    ' + with_dri_platform
1576   if dri_drivers.length() != 0 and dri_drivers != ['']
1577     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1578   else
1579     lines += 'DRI drivers:     no'
1580   endif
1581   lines += 'DRI driver dir:  ' + dri_drivers_path
1582 endif
1583
1584 if with_glx != 'disabled'
1585   lines += ''
1586   if with_glx == 'dri'
1587     lines += 'GLX:             DRI-based'
1588   elif with_glx == 'xlib'
1589     lines += 'GLX:             Xlib-based'
1590   elif with_glx == 'gallium-xlib'
1591     lines += 'GLX:             Xlib-based (Gallium)'
1592   else
1593     lines += 'GLX:             ' + with_glx
1594   endif
1595 endif
1596
1597 lines += ''
1598 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1599 if with_egl
1600   egl_drivers = []
1601   if with_dri
1602     egl_drivers += 'builtin:egl_dri2'
1603   endif
1604   if with_dri3
1605     egl_drivers += 'builtin:egl_dri3'
1606   endif
1607   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1608 endif
1609 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1610 if with_platforms
1611   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1612 endif
1613
1614 lines += ''
1615 if with_any_vk
1616   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1617   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1618 else
1619   lines += 'Vulkan drivers:  no'
1620 endif
1621
1622 lines += ''
1623 if with_llvm
1624   lines += 'llvm:            yes'
1625   lines += 'llvm-version:    ' + dep_llvm.version()
1626 else
1627   lines += 'llvm:            no'
1628 endif
1629
1630 lines += ''
1631 if with_gallium
1632   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1633   gallium_st = ['mesa']
1634   if with_gallium_xa
1635     gallium_st += 'xa'
1636   endif
1637   if with_gallium_xvmc
1638     gallium_st += 'xvmc'
1639   endif
1640   if with_gallium_xvmc
1641     gallium_st += 'xvmc'
1642   endif
1643   if with_gallium_vdpau
1644     gallium_st += 'vdpau'
1645   endif
1646   if with_gallium_omx != 'disabled'
1647     gallium_st += 'omx' + with_gallium_omx
1648   endif
1649   if with_gallium_va
1650     gallium_st += 'va'
1651   endif
1652   if with_gallium_st_nine
1653     gallium_st += 'nine'
1654   endif
1655   if with_gallium_opencl
1656     gallium_st += 'clover'
1657   endif
1658   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1659 else
1660   lines += 'Gallium:         no'
1661 endif
1662
1663 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1664
1665 lines += ''
1666 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1667
1668
1669 indent = '        '
1670 summary = indent + ('\n' + indent).join(lines)
1671 message('Configuration summary:\n@0@\n'.format(summary))