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', '-Qunused-arguments']
 900   if cc.has_argument(a)
 901     c_args += a
 902   endif
 903 endforeach
 904
 905 c_vis_args = []
 906 if cc.has_argument('-fvisibility=hidden')
 907   c_vis_args += '-fvisibility=hidden'
 908 endif
 909
 910 # Check for generic C++ arguments
 911 cpp_args = []
 912 foreach a : ['-Werror=return-type',
 913              '-Werror=format',
 914              '-Wformat-security',
 915              '-Wno-non-virtual-dtor',
 916              '-Wno-missing-field-initializers',
 917              '-Wno-format-truncation',
 918              '-fno-math-errno', '-fno-trapping-math',
 919              '-Qunused-arguments']
 920   if cpp.has_argument(a)
 921     cpp_args += a
 922   endif
 923 endforeach
 924
 925 no_override_init_args = []
 926 foreach a : ['-Wno-override-init',
 927              '-Wno-initializer-overrides']
 928   if cc.has_argument(a)
 929     no_override_init_args += a
 930   endif
 931 endforeach
 932
 933 cpp_vis_args = []
 934 if cpp.has_argument('-fvisibility=hidden')
 935   cpp_vis_args += '-fvisibility=hidden'
 936 endif
 937
 938 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 939 # in parts of the mesa code base that need to compile with old versions of
 940 # MSVC, mainly common code
 941 c_msvc_compat_args = []
 942 cpp_msvc_compat_args = []
 943 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 944   if cc.has_argument(a)
 945     c_msvc_compat_args += a
 946   endif
 947   if cpp.has_argument(a)
 948     cpp_msvc_compat_args += a
 949   endif
 950 endforeach
 951
 952 if host_machine.cpu_family().startswith('x86')
 953   pre_args += '-DUSE_SSE41'
 954   with_sse41 = true
 955   sse41_args = ['-msse4.1']
 956
 957   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 958   # that's not guaranteed
 959   if host_machine.cpu_family() == 'x86'
 960     sse41_args += '-mstackrealign'
 961   endif
 962 else
 963   with_sse41 = false
 964   sse41_args = []
 965 endif
 966
 967 # Check for GCC style atomics
 968 dep_atomic = null_dep
 969
 970 if cc.compiles('''#include <stdint.h>
 971                   int main() {
 972                     struct {
 973                       uint64_t *v;
 974                     } x;
 975                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 976                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 977
 978                   }''',
 979                name : 'GCC atomic builtins')
 980   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 981
 982   # Not all atomic calls can be turned into lock-free instructions, in which
 983   # GCC will make calls into the libatomic library. Check whether we need to
 984   # link with -latomic.
 985   #
 986   # This can happen for 64-bit atomic operations on 32-bit architectures such
 987   # as ARM.
 988   if not cc.links('''#include <stdint.h>
 989                      int main() {
 990                        struct {
 991                          uint64_t *v;
 992                        } x;
 993                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 994                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 995                      }''',
 996                   name : 'GCC atomic builtins required -latomic')
 997     dep_atomic = cc.find_library('atomic')
 998   endif
 999 endif
1000 if not cc.links('''#include <stdint.h>
1001                    uint64_t v;
1002                    int main() {
1003                      return __sync_add_and_fetch(&v, (uint64_t)1);
1004                    }''',
1005                 dependencies : dep_atomic,
1006                 name : 'GCC 64bit atomics')
1007   pre_args += '-DMISSING_64BIT_ATOMICS'
1008 endif
1009
1010 # TODO: shared/static? Is this even worth doing?
1011
1012 with_asm_arch = ''
1013 if host_machine.cpu_family() == 'x86'
1014   if system_has_kms_drm or host_machine.system() == 'gnu'
1015     with_asm_arch = 'x86'
1016     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1017                  '-DUSE_SSE_ASM']
1018
1019     if with_glx_read_only_text
1020       pre_args += ['-DGLX_X86_READONLY_TEXT']
1021     endif
1022   endif
1023 elif host_machine.cpu_family() == 'x86_64'
1024   if system_has_kms_drm
1025     with_asm_arch = 'x86_64'
1026     pre_args += ['-DUSE_X86_64_ASM']
1027   endif
1028 elif host_machine.cpu_family() == 'arm'
1029   if system_has_kms_drm
1030     with_asm_arch = 'arm'
1031     pre_args += ['-DUSE_ARM_ASM']
1032   endif
1033 elif host_machine.cpu_family() == 'aarch64'
1034   if system_has_kms_drm
1035     with_asm_arch = 'aarch64'
1036     pre_args += ['-DUSE_AARCH64_ASM']
1037   endif
1038 elif host_machine.cpu_family() == 'sparc64'
1039   if system_has_kms_drm
1040     with_asm_arch = 'sparc'
1041     pre_args += ['-DUSE_SPARC_ASM']
1042   endif
1043 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1044   if system_has_kms_drm
1045     with_asm_arch = 'ppc64le'
1046     pre_args += ['-DUSE_PPC64LE_ASM']
1047   endif
1048 endif
1049
1050 # Check for standard headers and functions
1051 if cc.has_header_symbol('sys/sysmacros.h', 'major')
1052   pre_args += '-DMAJOR_IN_SYSMACROS'
1053 elif cc.has_header_symbol('sys/mkdev.h', 'major')
1054   pre_args += '-DMAJOR_IN_MKDEV'
1055 endif
1056
1057 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1058   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1059     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1060   endif
1061 endforeach
1062
1063 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create', 'random_r']
1064   if cc.has_function(f)
1065     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1066   endif
1067 endforeach
1068
1069 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1070                         args : '-D_GNU_SOURCE')
1071    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1072 elif with_tools.contains('intel')
1073   error('Intel tools require the program_invocation_name variable')
1074 endif
1075
1076 # strtod locale support
1077 if cc.links('''
1078     #define _GNU_SOURCE
1079     #include <stdlib.h>
1080     #include <locale.h>
1081     #ifdef HAVE_XLOCALE_H
1082     #include <xlocale.h>
1083     #endif
1084     int main() {
1085       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1086       const char *s = "1.0";
1087       char *end;
1088       double d = strtod_l(s, end, loc);
1089       float f = strtof_l(s, end, loc);
1090       freelocale(loc);
1091       return 0;
1092     }''',
1093     args : pre_args,
1094     name : 'strtod has locale support')
1095   pre_args += '-DHAVE_STRTOD_L'
1096 endif
1097
1098 # Check for some linker flags
1099 ld_args_bsymbolic = []
1100 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1101   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1102 endif
1103 ld_args_gc_sections = []
1104 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1105             args : '-Wl,--gc-sections', name : 'gc-sections')
1106   ld_args_gc_sections += '-Wl,--gc-sections'
1107 endif
1108 with_ld_version_script = false
1109 if cc.links('int main() { return 0; }',
1110             args : '-Wl,--version-script=@0@'.format(
1111               join_paths(meson.source_root(), 'build-support/conftest.map')),
1112             name : 'version-script')
1113   with_ld_version_script = true
1114 endif
1115 with_ld_dynamic_list = false
1116 if cc.links('int main() { return 0; }',
1117             args : '-Wl,--dynamic-list=@0@'.format(
1118               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1119             name : 'dynamic-list')
1120   with_ld_dynamic_list = true
1121 endif
1122 ld_args_build_id = []
1123 if build_machine.system() != 'darwin'
1124    ld_args_build_id += '-Wl,--build-id=sha1'
1125 endif
1126
1127 # check for dl support
1128 dep_dl = null_dep
1129 if host_machine.system() != 'windows'
1130   if not cc.has_function('dlopen')
1131     dep_dl = cc.find_library('dl')
1132   endif
1133   if cc.has_function('dladdr', dependencies : dep_dl)
1134     # This is really only required for megadrivers
1135     pre_args += '-DHAVE_DLADDR'
1136   endif
1137 endif
1138
1139 if cc.has_function('dl_iterate_phdr')
1140   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1141 elif with_intel_vk
1142   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1143 elif with_dri_i965 and with_shader_cache
1144   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1145 endif
1146
1147 # Determine whether or not the rt library is needed for time functions
1148 if cc.has_function('clock_gettime')
1149   dep_clock = null_dep
1150 else
1151   dep_clock = cc.find_library('rt')
1152 endif
1153
1154 # TODO: some of these may be conditional
1155 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1156 pre_args += '-DHAVE_ZLIB'
1157 dep_thread = dependency('threads')
1158 if dep_thread.found() and host_machine.system() != 'windows'
1159   pre_args += '-DHAVE_PTHREAD'
1160   if cc.has_function(
1161       'pthread_setaffinity_np',
1162       dependencies : dep_thread,
1163       prefix : '#include <pthread.h>',
1164       args : '-D_GNU_SOURCE')
1165     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1166   endif
1167   if cc.has_function(
1168       'pthread_setaffinity_np',
1169       dependencies : dep_thread,
1170       prefix : '#include <pthread_np.h>')
1171     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1172   endif
1173 endif
1174 dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1175 # this only exists on linux so either this is linux and it will be found, or
1176 # it's not linux and wont
1177 dep_m = cc.find_library('m', required : false)
1178
1179 # Check for libdrm. Various drivers have different libdrm version requirements,
1180 # but we always want to use the same version for all libdrm modules. That means
1181 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1182 # bar are both on use 2.4.3 for both of them
1183 dep_libdrm_amdgpu = null_dep
1184 dep_libdrm_radeon = null_dep
1185 dep_libdrm_nouveau = null_dep
1186 dep_libdrm_intel = null_dep
1187
1188 _drm_amdgpu_ver = '2.4.99'
1189 _drm_radeon_ver = '2.4.71'
1190 _drm_nouveau_ver = '2.4.66'
1191 _drm_intel_ver = '2.4.75'
1192 _drm_ver = '2.4.81'
1193
1194 _libdrm_checks = [
1195   ['intel', with_dri_i915 or with_gallium_i915],
1196   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1197   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1198               with_gallium_r300 or with_gallium_r600)],
1199   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1200 ]
1201
1202 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1203 # library.
1204 if with_gallium_vc4
1205   _drm_ver = '2.4.89'
1206 endif
1207
1208 # etnaviv only needs core libdrm
1209 if with_gallium_etnaviv
1210   _drm_ver = '2.4.89'
1211 endif
1212
1213 # Loop over the enables versions and get the highest libdrm requirement for all
1214 # active drivers.
1215 _drm_blame = ''
1216 foreach d : _libdrm_checks
1217   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1218   if d[1] and ver.version_compare('>' + _drm_ver)
1219     _drm_ver = ver
1220     _drm_blame = d[0]
1221   endif
1222 endforeach
1223 if _drm_blame != ''
1224   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1225 endif
1226
1227 # Then get each libdrm module
1228 foreach d : _libdrm_checks
1229   if d[1]
1230     set_variable(
1231       'dep_libdrm_' + d[0],
1232       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1233     )
1234   endif
1235 endforeach
1236
1237 with_gallium_drisw_kms = false
1238 dep_libdrm = dependency(
1239   'libdrm', version : '>=' + _drm_ver,
1240   required : with_dri2 or with_dri3
1241 )
1242 if dep_libdrm.found()
1243   pre_args += '-DHAVE_LIBDRM'
1244   if with_dri_platform == 'drm' and with_dri
1245     with_gallium_drisw_kms = true
1246   endif
1247 endif
1248
1249 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1250 llvm_optional_modules = []
1251 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1252   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1253   if with_gallium_r600
1254     llvm_modules += 'asmparser'
1255   endif
1256 endif
1257 if with_gallium_opencl
1258   llvm_modules += [
1259     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1260     'lto', 'option', 'objcarcopts', 'profiledata',
1261   ]
1262 endif
1263 if with_gallium_opencl or with_gallium_softpipe
1264   llvm_optional_modules += ['coroutines']
1265 endif
1266
1267 if with_amd_vk or with_gallium_radeonsi
1268   _llvm_version = '>= 8.0.0'
1269 elif with_gallium_swr
1270   _llvm_version = '>= 6.0.0'
1271 else
1272   _llvm_version = '>= 3.9.0'
1273 endif
1274
1275 _shared_llvm = get_option('shared-llvm')
1276
1277 _llvm = get_option('llvm')
1278 dep_llvm = null_dep
1279 with_llvm = false
1280 if _llvm != 'false'
1281   dep_llvm = dependency(
1282     'llvm',
1283     version : _llvm_version,
1284     modules : llvm_modules,
1285     optional_modules : llvm_optional_modules,
1286     required : (
1287       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1288       with_gallium_opencl or _llvm == 'true'
1289     ),
1290     static : not _shared_llvm,
1291     method : 'config-tool',
1292   )
1293   with_llvm = dep_llvm.found()
1294 endif
1295 if with_llvm
1296   pre_args += '-DLLVM_AVAILABLE'
1297   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1298
1299   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1300   # programs, so we need to build all C++ code in mesa without rtti as well to
1301   # ensure that linking works.
1302   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1303     if with_gallium_nouveau
1304       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1305     elif with_gallium_opencl
1306       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1307     endif
1308     cpp_args += '-fno-rtti'
1309   endif
1310 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1311   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1312 elif with_gallium_opencl
1313   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1314 endif
1315
1316 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1317     (with_gallium_r600 and with_llvm))
1318   dep_elf = dependency('libelf', required : false)
1319   if not dep_elf.found()
1320     dep_elf = cc.find_library('elf')
1321   endif
1322 else
1323   dep_elf = null_dep
1324 endif
1325
1326 dep_glvnd = null_dep
1327 if with_glvnd
1328   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1329   pre_args += '-DUSE_LIBGLVND=1'
1330 endif
1331
1332 if with_valgrind != 'false'
1333   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1334   if dep_valgrind.found()
1335     pre_args += '-DHAVE_VALGRIND'
1336   endif
1337 else
1338   dep_valgrind = null_dep
1339 endif
1340
1341 # pthread stubs. Lets not and say we didn't
1342
1343 prog_bison = find_program('bison', required : with_any_opengl)
1344 prog_flex = find_program('flex', required : with_any_opengl)
1345
1346 dep_selinux = null_dep
1347 if get_option('selinux')
1348   dep_selinux = dependency('libselinux')
1349   pre_args += '-DMESA_SELINUX'
1350 endif
1351
1352 if with_libunwind != 'false'
1353   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1354   if dep_unwind.found()
1355     pre_args += '-DHAVE_LIBUNWIND'
1356   endif
1357 else
1358   dep_unwind = null_dep
1359 endif
1360
1361 if with_osmesa != 'none'
1362   if with_osmesa == 'gallium' and not with_gallium_softpipe
1363     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1364   endif
1365   osmesa_lib_name = 'OSMesa'
1366   osmesa_bits = get_option('osmesa-bits')
1367   if osmesa_bits != '8'
1368     if with_dri or with_glx != 'disabled'
1369       error('OSMesa bits must be 8 if building glx or dir based drivers')
1370     endif
1371     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1372     pre_args += [
1373       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1374     ]
1375   endif
1376 endif
1377
1378 # TODO: symbol mangling
1379
1380 if with_platform_wayland
1381   dep_wl_scanner = dependency('wayland-scanner', native: true)
1382   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1383   if dep_wl_scanner.version().version_compare('>= 1.15')
1384     wl_scanner_arg = 'private-code'
1385   else
1386     wl_scanner_arg = 'code'
1387   endif
1388   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1389   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1390   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1391   if with_egl
1392     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1393     dep_wayland_egl_headers = declare_dependency(
1394       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1395   endif
1396   wayland_dmabuf_xml = join_paths(
1397     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1398     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1399   )
1400   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1401 endif
1402
1403 dep_x11 = null_dep
1404 dep_xext = null_dep
1405 dep_xdamage = null_dep
1406 dep_xfixes = null_dep
1407 dep_x11_xcb = null_dep
1408 dep_xcb = null_dep
1409 dep_xcb_glx = null_dep
1410 dep_xcb_dri2 = null_dep
1411 dep_xcb_dri3 = null_dep
1412 dep_dri2proto = null_dep
1413 dep_glproto = null_dep
1414 dep_xxf86vm = null_dep
1415 dep_xcb_dri3 = null_dep
1416 dep_xcb_present = null_dep
1417 dep_xcb_sync = null_dep
1418 dep_xcb_xfixes = null_dep
1419 dep_xshmfence = null_dep
1420 dep_xcb_xrandr = null_dep
1421 dep_xlib_xrandr = null_dep
1422 if with_platform_x11
1423   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1424     dep_x11 = dependency('x11')
1425     dep_xext = dependency('xext')
1426     dep_xcb = dependency('xcb')
1427   elif with_glx == 'dri'
1428     dep_x11 = dependency('x11')
1429     dep_xext = dependency('xext')
1430     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1431     dep_xfixes = dependency('xfixes')
1432     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1433   endif
1434   if (with_any_vk or with_glx == 'dri' or with_egl or
1435        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1436         with_gallium_omx != 'disabled'))
1437     dep_xcb = dependency('xcb')
1438     dep_x11_xcb = dependency('x11-xcb')
1439   endif
1440   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1441     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1442
1443     if with_dri3
1444       pre_args += '-DHAVE_DRI3'
1445       dep_xcb_dri3 = dependency('xcb-dri3')
1446       dep_xcb_present = dependency('xcb-present')
1447       # until xcb-dri3 has been around long enough to make a hard-dependency:
1448       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1449           dep_xcb_present.version().version_compare('>= 1.13'))
1450         pre_args += '-DHAVE_DRI3_MODIFIERS'
1451       endif
1452       dep_xcb_sync = dependency('xcb-sync')
1453       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1454     endif
1455   endif
1456   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1457     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1458   endif
1459   if with_glx == 'dri'
1460     if with_dri_platform == 'drm'
1461       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1462       dep_xxf86vm = dependency('xxf86vm')
1463     endif
1464   endif
1465   if (with_egl or (
1466       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1467       with_gallium_omx != 'disabled'))
1468     dep_xcb_xfixes = dependency('xcb-xfixes')
1469   endif
1470   if with_xlib_lease
1471     dep_xcb_xrandr = dependency('xcb-randr')
1472     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1473   endif
1474 endif
1475
1476 if get_option('gallium-extra-hud')
1477   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1478 endif
1479
1480 _sensors = get_option('lmsensors')
1481 if _sensors != 'false'
1482   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1483   if dep_lmsensors.found()
1484     pre_args += '-DHAVE_LIBSENSORS=1'
1485   endif
1486 else
1487   dep_lmsensors = null_dep
1488 endif
1489
1490 foreach a : pre_args
1491   add_project_arguments(a, language : ['c', 'cpp'])
1492 endforeach
1493 foreach a : c_args
1494   add_project_arguments(a, language : ['c'])
1495 endforeach
1496 foreach a : cpp_args
1497   add_project_arguments(a, language : ['cpp'])
1498 endforeach
1499
1500 gl_priv_reqs = []
1501
1502 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1503   gl_priv_reqs += ['x11', 'xext', 'xcb']
1504 elif with_glx == 'dri'
1505   gl_priv_reqs += [
1506     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1507     'xcb-glx >= 1.8.1']
1508   if with_dri_platform == 'drm'
1509     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1510     gl_priv_reqs += 'xxf86vm'
1511   endif
1512 endif
1513 if dep_libdrm.found()
1514   gl_priv_reqs += 'libdrm >= 2.4.75'
1515 endif
1516
1517 gl_priv_libs = []
1518 if dep_thread.found()
1519   gl_priv_libs += ['-lpthread', '-pthread']
1520 endif
1521 if dep_m.found()
1522   gl_priv_libs += '-lm'
1523 endif
1524 if dep_dl.found()
1525   gl_priv_libs += '-ldl'
1526 endif
1527
1528 pkg = import('pkgconfig')
1529
1530 prog_nm = find_program('nm', required : false)
1531
1532 # This quirk needs to be applied to sources with functions defined in assembly
1533 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1534 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1535
1536 subdir('include')
1537 subdir('bin')
1538 subdir('src')
1539
1540 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1541 # formatting below unless the first argument is passed as a variable. This has
1542 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1543 # for backwards compatibility.
1544 _with_opengl_string = with_opengl ? 'yes' : 'no'
1545
1546 lines = ['',
1547   'prefix:          ' + get_option('prefix'),
1548   'libdir:          ' + get_option('libdir'),
1549   'includedir:      ' + get_option('includedir'),
1550   '',
1551   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1552                                                     with_gles1 ? 'yes' : 'no',
1553                                                     with_gles2 ? 'yes' : 'no'),
1554 ]
1555
1556 if with_osmesa != 'none'
1557   lines += ''
1558   suffix = ''
1559   if with_osmesa == 'gallium'
1560     suffix = '(Gallium)'
1561   endif
1562   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1563 else
1564   lines += 'OSMesa:          no'
1565 endif
1566
1567 if with_dri
1568   lines += ''
1569   lines += 'DRI platform:    ' + with_dri_platform
1570   if dri_drivers.length() != 0 and dri_drivers != ['']
1571     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1572   else
1573     lines += 'DRI drivers:     no'
1574   endif
1575   lines += 'DRI driver dir:  ' + dri_drivers_path
1576 endif
1577
1578 if with_glx != 'disabled'
1579   lines += ''
1580   if with_glx == 'dri'
1581     lines += 'GLX:             DRI-based'
1582   elif with_glx == 'xlib'
1583     lines += 'GLX:             Xlib-based'
1584   elif with_glx == 'gallium-xlib'
1585     lines += 'GLX:             Xlib-based (Gallium)'
1586   else
1587     lines += 'GLX:             ' + with_glx
1588   endif
1589 endif
1590
1591 lines += ''
1592 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1593 if with_egl
1594   egl_drivers = []
1595   if with_dri
1596     egl_drivers += 'builtin:egl_dri2'
1597   endif
1598   if with_dri3
1599     egl_drivers += 'builtin:egl_dri3'
1600   endif
1601   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1602 endif
1603 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1604 if with_platforms
1605   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1606 endif
1607
1608 lines += ''
1609 if with_any_vk
1610   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1611   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1612 else
1613   lines += 'Vulkan drivers:  no'
1614 endif
1615
1616 lines += ''
1617 if with_llvm
1618   lines += 'llvm:            yes'
1619   lines += 'llvm-version:    ' + dep_llvm.version()
1620 else
1621   lines += 'llvm:            no'
1622 endif
1623
1624 lines += ''
1625 if with_gallium
1626   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1627   gallium_st = ['mesa']
1628   if with_gallium_xa
1629     gallium_st += 'xa'
1630   endif
1631   if with_gallium_xvmc
1632     gallium_st += 'xvmc'
1633   endif
1634   if with_gallium_xvmc
1635     gallium_st += 'xvmc'
1636   endif
1637   if with_gallium_vdpau
1638     gallium_st += 'vdpau'
1639   endif
1640   if with_gallium_omx != 'disabled'
1641     gallium_st += 'omx' + with_gallium_omx
1642   endif
1643   if with_gallium_va
1644     gallium_st += 'va'
1645   endif
1646   if with_gallium_st_nine
1647     gallium_st += 'nine'
1648   endif
1649   if with_gallium_opencl
1650     gallium_st += 'clover'
1651   endif
1652   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1653 else
1654   lines += 'Gallium:         no'
1655 endif
1656
1657 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1658
1659 lines += ''
1660 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1661
1662
1663 indent = '        '
1664 summary = indent + ('\n' + indent).join(lines)
1665 message('Configuration summary:\n@0@\n'.format(summary))