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 dep_xv = null_dep
 520 with_gallium_xvmc = false
 521 if _xvmc != 'false'
 522   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 523   dep_xv = dependency('xv', required : _xvmc == 'true')
 524   with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
 525 endif
 526
 527 xvmc_drivers_path = get_option('xvmc-libs-path')
 528 if xvmc_drivers_path == ''
 529   xvmc_drivers_path = get_option('libdir')
 530 endif
 531
 532 _omx = get_option('gallium-omx')
 533 if not system_has_kms_drm
 534   if ['auto', 'disabled'].contains(_omx)
 535     _omx = 'disabled'
 536   else
 537     error('OMX state tracker can only be built on unix-like OSes.')
 538   endif
 539 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 540   if ['auto', 'disabled'].contains(_omx)
 541     _omx = 'disabled'
 542   else
 543     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 544   endif
 545 endif
 546 with_gallium_omx = _omx
 547 dep_omx = null_dep
 548 dep_omx_other = []
 549 if ['auto', 'bellagio'].contains(_omx)
 550   dep_omx = dependency(
 551     'libomxil-bellagio', required : _omx == 'bellagio'
 552   )
 553   if dep_omx.found()
 554     with_gallium_omx = 'bellagio'
 555   endif
 556 endif
 557 if ['auto', 'tizonia'].contains(_omx)
 558   if with_dri and with_egl
 559     dep_omx = dependency(
 560       'libtizonia', version : '>= 0.10.0',
 561       required : _omx == 'tizonia',
 562     )
 563     dep_omx_other = [
 564       dependency('libtizplatform', required : _omx == 'tizonia'),
 565       dependency('tizilheaders', required : _omx == 'tizonia'),
 566     ]
 567     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 568       with_gallium_omx = 'tizonia'
 569     endif
 570   elif _omx == 'tizonia'
 571     error('OMX-Tizonia state tracker requires dri and egl')
 572   endif
 573 endif
 574 if _omx == 'auto'
 575   with_gallium_omx = 'disabled'
 576 else
 577   with_gallium_omx = _omx
 578 endif
 579
 580 pre_args += [
 581   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 582   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 583 ]
 584
 585
 586 omx_drivers_path = get_option('omx-libs-path')
 587
 588 if with_gallium_omx != 'disabled'
 589   # Figure out where to put the omx driver.
 590   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 591   # argument to meson's get_pkgconfig_variable method.
 592   if omx_drivers_path == ''
 593     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 594     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 595     if _omx_libdir == get_option('libdir')
 596       omx_drivers_path = _omx_drivers_dir
 597     else
 598       _omx_base_dir = []
 599       # This will fail on windows. Does OMX run on windows?
 600       _omx_libdir = _omx_libdir.split('/')
 601       _omx_drivers_dir = _omx_drivers_dir.split('/')
 602       foreach o : _omx_drivers_dir
 603         if not _omx_libdir.contains(o)
 604           _omx_base_dir += o
 605         endif
 606       endforeach
 607       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 608     endif
 609   endif
 610 endif
 611
 612 _va = get_option('gallium-va')
 613 if not system_has_kms_drm
 614   if _va == 'true'
 615     error('VA state tracker can only be built on unix-like OSes.')
 616   else
 617     _va = 'false'
 618   endif
 619 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 620   if _va == 'true'
 621     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 622   else
 623     _va = 'false'
 624   endif
 625 endif
 626 with_gallium_va = false
 627 dep_va = null_dep
 628 if _va != 'false'
 629   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 630   if dep_va.found()
 631     dep_va_headers = declare_dependency(
 632       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 633     )
 634     with_gallium_va = true
 635   endif
 636 endif
 637
 638 va_drivers_path = get_option('va-libs-path')
 639 if va_drivers_path == ''
 640   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 641 endif
 642
 643 _xa = get_option('gallium-xa')
 644 if not system_has_kms_drm
 645   if _xa == 'true'
 646     error('XA state tracker can only be built on unix-like OSes.')
 647   else
 648     _xa = 'false'
 649   endif
 650 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 651           or with_gallium_svga)
 652   if _xa == 'true'
 653     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 654   else
 655     _xa = 'false'
 656   endif
 657 endif
 658 with_gallium_xa = _xa != 'false'
 659
 660 d3d_drivers_path = get_option('d3d-drivers-path')
 661 if d3d_drivers_path == ''
 662   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 663 endif
 664
 665 with_gallium_st_nine =  get_option('gallium-nine')
 666 if with_gallium_st_nine
 667   if not with_gallium_softpipe
 668     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 669   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 670             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 671             or with_gallium_iris)
 672     error('The nine state tracker requires at least one non-swrast gallium driver.')
 673   endif
 674   if not with_dri3
 675     error('Using nine with wine requires dri3')
 676   endif
 677 endif
 678
 679 if get_option('power8') != 'false'
 680   # on old versions of meson the cpu family would return as ppc64le on little
 681   # endian power8, this was changed in 0.48 such that the family would always
 682   # be ppc64 regardless of endianness, and then the machine.endian() value
 683   # should be checked. Since we support versions < 0.48 we need to use
 684   # startswith.
 685   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 686     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 687       error('Altivec is not supported with gcc version < 4.8.')
 688     endif
 689     if cc.compiles('''
 690         #include <altivec.h>
 691         int main() {
 692           vector unsigned char r;
 693           vector unsigned int v = vec_splat_u32 (1);
 694           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 695           return 0;
 696         }''',
 697         args : '-mpower8-vector',
 698         name : 'POWER8 intrinsics')
 699       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 700     elif get_option('power8') == 'true'
 701       error('POWER8 intrinsic support required but not found.')
 702     endif
 703   endif
 704 endif
 705
 706 _opencl = get_option('gallium-opencl')
 707 clover_cpp_std = []
 708 if _opencl != 'disabled'
 709   if not with_gallium
 710     error('OpenCL Clover implementation requires at least one gallium driver.')
 711   endif
 712
 713   dep_clc = dependency('libclc')
 714   with_gallium_opencl = true
 715   with_opencl_icd = _opencl == 'icd'
 716
 717   with_opencl_spirv = get_option('opencl-spirv')
 718   if with_opencl_spirv
 719     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 720     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 721     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 722   else
 723     dep_spirv_tools = null_dep
 724     dep_llvmspirvlib = null_dep
 725   endif
 726
 727   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 728       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 729       #error "AltiVec not enabled"
 730       #endif''',
 731       name : 'Altivec')
 732     clover_cpp_std += ['cpp_std=gnu++11']
 733   endif
 734 else
 735   dep_clc = null_dep
 736   dep_spirv_tools = null_dep
 737   dep_llvmspirvlib = null_dep
 738   with_gallium_opencl = false
 739   with_opencl_icd = false
 740   with_opencl_spirv = false
 741 endif
 742
 743 gl_pkgconfig_c_flags = []
 744 if with_platform_x11
 745   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 746     pre_args += '-DHAVE_X11_PLATFORM'
 747   endif
 748   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 749     pre_args += '-DUSE_XSHM'
 750   else
 751     pre_args += '-DGLX_INDIRECT_RENDERING'
 752     if with_glx_direct
 753       pre_args += '-DGLX_DIRECT_RENDERING'
 754     endif
 755     if with_dri_platform == 'drm'
 756       pre_args += '-DGLX_USE_DRM'
 757     elif with_dri_platform == 'apple'
 758       pre_args += '-DGLX_USE_APPLEGL'
 759     elif with_dri_platform == 'windows'
 760       pre_args += '-DGLX_USE_WINDOWSGL'
 761     endif
 762   endif
 763 else
 764   pre_args += '-DEGL_NO_X11'
 765   gl_pkgconfig_c_flags += '-DEGL_NO_X11'
 766 endif
 767 if with_platform_drm
 768   if with_egl and not with_gbm
 769     error('EGL drm platform requires gbm')
 770   endif
 771   pre_args += '-DHAVE_DRM_PLATFORM'
 772 endif
 773 if with_platform_surfaceless
 774   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 775 endif
 776 if with_platform_android
 777   dep_android = [
 778     dependency('cutils'),
 779     dependency('hardware'),
 780     dependency('sync'),
 781   ]
 782   if get_option('platform-sdk-version') >= 26
 783     dep_android += dependency('nativewindow')
 784   endif
 785   pre_args += '-DHAVE_ANDROID_PLATFORM'
 786 endif
 787 if with_platform_haiku
 788   pre_args += '-DHAVE_HAIKU_PLATFORM'
 789 endif
 790
 791 if meson.version().version_compare('>=0.50')
 792   prog_python = import('python').find_installation('python3')
 793 else
 794   prog_python = import('python3').find_python()
 795 endif
 796 has_mako = run_command(
 797   prog_python, '-c',
 798   '''
 799 from distutils.version import StrictVersion
 800 import mako
 801 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 802   ''')
 803 if has_mako.returncode() != 0
 804   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 805 endif
 806
 807 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 808   error('When using GCC, version 4.4.6 or later is required.')
 809 endif
 810
 811 # Support systems without ETIME (e.g. FreeBSD)
 812 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
 813   pre_args += '-DETIME=ETIMEDOUT'
 814 endif
 815
 816 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 817 if get_option('buildtype') == 'debug'
 818   pre_args += '-DDEBUG'
 819 endif
 820
 821 with_shader_cache = false
 822 _shader_cache = get_option('shader-cache')
 823 if _shader_cache != 'false'
 824   if host_machine.system() == 'windows'
 825     if _shader_cache == 'true'
 826       error('Shader Cache does not currently work on Windows')
 827     endif
 828   else
 829     pre_args += '-DENABLE_SHADER_CACHE'
 830     with_shader_cache = true
 831   endif
 832 endif
 833 if with_amd_vk and not with_shader_cache
 834   error('Radv requires shader cache support')
 835 endif
 836
 837 # Check for GCC style builtins
 838 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 839              'ffsll', 'popcount', 'popcountll', 'unreachable']
 840   if cc.has_function(b)
 841     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 842   endif
 843 endforeach
 844
 845 # check for GCC __attribute__
 846 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 847              'warn_unused_result', 'weak',]
 848   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 849                  name : '__attribute__((@0@))'.format(a))
 850     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 851   endif
 852 endforeach
 853 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 854                name : '__attribute__((format(...)))')
 855   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 856 endif
 857 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 858                name : '__attribute__((packed))')
 859   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 860 endif
 861 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 862                name : '__attribute__((returns_nonnull))')
 863   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 864 endif
 865 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 866                   int foo_hid(void) __attribute__((visibility("hidden")));
 867                   int foo_int(void) __attribute__((visibility("internal")));
 868                   int foo_pro(void) __attribute__((visibility("protected")));''',
 869                name : '__attribute__((visibility(...)))')
 870   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 871 endif
 872 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 873                name : '__attribute__((alias(...)))')
 874   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 875 endif
 876 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 877                name : '__attribute__((__noreturn__))')
 878   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 879 endif
 880 if cc.compiles('__uint128_t foo(void) { return 0; }',
 881                name : '__uint128_t')
 882   pre_args += '-DHAVE_UINT128'
 883 endif
 884
 885 # TODO: this is very incomplete
 886 if ['linux', 'cygwin', 'gnu', 'gnu/kfreebsd'].contains(host_machine.system())
 887   pre_args += '-D_GNU_SOURCE'
 888 endif
 889
 890 # Check for generic C arguments
 891 c_args = []
 892 foreach a : ['-Werror=implicit-function-declaration',
 893              '-Werror=missing-prototypes',
 894              '-Werror=return-type',
 895              '-Werror=incompatible-pointer-types',
 896              '-Werror=format',
 897              '-Wformat-security',
 898              '-Wno-missing-field-initializers',
 899              '-Wno-format-truncation',
 900              '-fno-math-errno',
 901              '-fno-trapping-math',
 902              '-Qunused-arguments']
 903   if cc.has_argument(a)
 904     c_args += a
 905   endif
 906 endforeach
 907
 908 c_vis_args = []
 909 if cc.has_argument('-fvisibility=hidden')
 910   c_vis_args += '-fvisibility=hidden'
 911 endif
 912
 913 # Check for generic C++ arguments
 914 cpp_args = []
 915 foreach a : ['-Werror=return-type',
 916              '-Werror=format',
 917              '-Wformat-security',
 918              '-Wno-non-virtual-dtor',
 919              '-Wno-missing-field-initializers',
 920              '-Wno-format-truncation',
 921              '-fno-math-errno',
 922              '-fno-trapping-math',
 923              '-Qunused-arguments']
 924   if cpp.has_argument(a)
 925     cpp_args += a
 926   endif
 927 endforeach
 928
 929 no_override_init_args = []
 930 foreach a : ['-Wno-override-init',
 931              '-Wno-initializer-overrides']
 932   if cc.has_argument(a)
 933     no_override_init_args += a
 934   endif
 935 endforeach
 936
 937 cpp_vis_args = []
 938 if cpp.has_argument('-fvisibility=hidden')
 939   cpp_vis_args += '-fvisibility=hidden'
 940 endif
 941
 942 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 943 # in parts of the mesa code base that need to compile with old versions of
 944 # MSVC, mainly common code
 945 c_msvc_compat_args = []
 946 cpp_msvc_compat_args = []
 947 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 948   if cc.has_argument(a)
 949     c_msvc_compat_args += a
 950   endif
 951   if cpp.has_argument(a)
 952     cpp_msvc_compat_args += a
 953   endif
 954 endforeach
 955
 956 if host_machine.cpu_family().startswith('x86')
 957   pre_args += '-DUSE_SSE41'
 958   with_sse41 = true
 959   sse41_args = ['-msse4.1']
 960
 961   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 962   # that's not guaranteed
 963   if host_machine.cpu_family() == 'x86'
 964     sse41_args += '-mstackrealign'
 965   endif
 966 else
 967   with_sse41 = false
 968   sse41_args = []
 969 endif
 970
 971 # Check for GCC style atomics
 972 dep_atomic = null_dep
 973
 974 if cc.compiles('''#include <stdint.h>
 975                   int main() {
 976                     struct {
 977                       uint64_t *v;
 978                     } x;
 979                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 980                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 981
 982                   }''',
 983                name : 'GCC atomic builtins')
 984   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 985
 986   # Not all atomic calls can be turned into lock-free instructions, in which
 987   # GCC will make calls into the libatomic library. Check whether we need to
 988   # link with -latomic.
 989   #
 990   # This can happen for 64-bit atomic operations on 32-bit architectures such
 991   # as ARM.
 992   if not cc.links('''#include <stdint.h>
 993                      int main() {
 994                        struct {
 995                          uint64_t *v;
 996                        } x;
 997                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 998                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 999                      }''',
1000                   name : 'GCC atomic builtins required -latomic')
1001     dep_atomic = cc.find_library('atomic')
1002   endif
1003 endif
1004 if not cc.links('''#include <stdint.h>
1005                    uint64_t v;
1006                    int main() {
1007                      return __sync_add_and_fetch(&v, (uint64_t)1);
1008                    }''',
1009                 dependencies : dep_atomic,
1010                 name : 'GCC 64bit atomics')
1011   pre_args += '-DMISSING_64BIT_ATOMICS'
1012 endif
1013
1014 # TODO: shared/static? Is this even worth doing?
1015
1016 with_asm_arch = ''
1017 if host_machine.cpu_family() == 'x86'
1018   if system_has_kms_drm or host_machine.system() == 'gnu'
1019     with_asm_arch = 'x86'
1020     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1021                  '-DUSE_SSE_ASM']
1022
1023     if with_glx_read_only_text
1024       pre_args += ['-DGLX_X86_READONLY_TEXT']
1025     endif
1026   endif
1027 elif host_machine.cpu_family() == 'x86_64'
1028   if system_has_kms_drm
1029     with_asm_arch = 'x86_64'
1030     pre_args += ['-DUSE_X86_64_ASM']
1031   endif
1032 elif host_machine.cpu_family() == 'arm'
1033   if system_has_kms_drm
1034     with_asm_arch = 'arm'
1035     pre_args += ['-DUSE_ARM_ASM']
1036   endif
1037 elif host_machine.cpu_family() == 'aarch64'
1038   if system_has_kms_drm
1039     with_asm_arch = 'aarch64'
1040     pre_args += ['-DUSE_AARCH64_ASM']
1041   endif
1042 elif host_machine.cpu_family() == 'sparc64'
1043   if system_has_kms_drm
1044     with_asm_arch = 'sparc'
1045     pre_args += ['-DUSE_SPARC_ASM']
1046   endif
1047 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1048   if system_has_kms_drm
1049     with_asm_arch = 'ppc64le'
1050     pre_args += ['-DUSE_PPC64LE_ASM']
1051   endif
1052 endif
1053
1054 # Check for standard headers and functions
1055 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1056   cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1057   cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1058   pre_args += '-DMAJOR_IN_SYSMACROS'
1059 endif
1060 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1061   cc.has_header_symbol('sys/mkdev.h', 'minor') and
1062   cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1063   pre_args += '-DMAJOR_IN_MKDEV'
1064 endif
1065
1066 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1067   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1068     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1069   endif
1070 endforeach
1071
1072 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create', 'random_r']
1073   if cc.has_function(f)
1074     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1075   endif
1076 endforeach
1077
1078 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1079                         args : '-D_GNU_SOURCE')
1080    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1081 elif with_tools.contains('intel')
1082   error('Intel tools require the program_invocation_name variable')
1083 endif
1084
1085 # strtod locale support
1086 if cc.links('''
1087     #define _GNU_SOURCE
1088     #include <stdlib.h>
1089     #include <locale.h>
1090     #ifdef HAVE_XLOCALE_H
1091     #include <xlocale.h>
1092     #endif
1093     int main() {
1094       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1095       const char *s = "1.0";
1096       char *end;
1097       double d = strtod_l(s, end, loc);
1098       float f = strtof_l(s, end, loc);
1099       freelocale(loc);
1100       return 0;
1101     }''',
1102     args : pre_args,
1103     name : 'strtod has locale support')
1104   pre_args += '-DHAVE_STRTOD_L'
1105 endif
1106
1107 # Check for some linker flags
1108 ld_args_bsymbolic = []
1109 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1110   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1111 endif
1112 ld_args_gc_sections = []
1113 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1114             args : '-Wl,--gc-sections', name : 'gc-sections')
1115   ld_args_gc_sections += '-Wl,--gc-sections'
1116 endif
1117 with_ld_version_script = false
1118 if cc.links('int main() { return 0; }',
1119             args : '-Wl,--version-script=@0@'.format(
1120               join_paths(meson.source_root(), 'build-support/conftest.map')),
1121             name : 'version-script')
1122   with_ld_version_script = true
1123 endif
1124 with_ld_dynamic_list = false
1125 if cc.links('int main() { return 0; }',
1126             args : '-Wl,--dynamic-list=@0@'.format(
1127               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1128             name : 'dynamic-list')
1129   with_ld_dynamic_list = true
1130 endif
1131
1132 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1133
1134 # check for dl support
1135 dep_dl = null_dep
1136 if host_machine.system() != 'windows'
1137   if not cc.has_function('dlopen')
1138     dep_dl = cc.find_library('dl')
1139   endif
1140   if cc.has_function('dladdr', dependencies : dep_dl)
1141     # This is really only required for megadrivers
1142     pre_args += '-DHAVE_DLADDR'
1143   endif
1144 endif
1145
1146 if cc.has_function('dl_iterate_phdr')
1147   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1148 elif with_intel_vk
1149   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1150 elif with_dri_i965 and with_shader_cache
1151   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1152 endif
1153
1154 # Determine whether or not the rt library is needed for time functions
1155 if cc.has_function('clock_gettime')
1156   dep_clock = null_dep
1157 else
1158   dep_clock = cc.find_library('rt')
1159 endif
1160
1161 # TODO: some of these may be conditional
1162 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1163 pre_args += '-DHAVE_ZLIB'
1164 dep_thread = dependency('threads')
1165 if dep_thread.found() and host_machine.system() != 'windows'
1166   pre_args += '-DHAVE_PTHREAD'
1167   if cc.has_function(
1168       'pthread_setaffinity_np',
1169       dependencies : dep_thread,
1170       prefix : '#include <pthread.h>',
1171       args : '-D_GNU_SOURCE')
1172     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1173   endif
1174   if cc.has_function(
1175       'pthread_setaffinity_np',
1176       dependencies : dep_thread,
1177       prefix : '#include <pthread_np.h>')
1178     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1179   endif
1180 endif
1181 dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1182 # this only exists on linux so either this is linux and it will be found, or
1183 # it's not linux and wont
1184 dep_m = cc.find_library('m', required : false)
1185
1186 # Check for libdrm. Various drivers have different libdrm version requirements,
1187 # but we always want to use the same version for all libdrm modules. That means
1188 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1189 # bar are both on use 2.4.3 for both of them
1190 dep_libdrm_amdgpu = null_dep
1191 dep_libdrm_radeon = null_dep
1192 dep_libdrm_nouveau = null_dep
1193 dep_libdrm_intel = null_dep
1194
1195 _drm_amdgpu_ver = '2.4.99'
1196 _drm_radeon_ver = '2.4.71'
1197 _drm_nouveau_ver = '2.4.66'
1198 _drm_intel_ver = '2.4.75'
1199 _drm_ver = '2.4.81'
1200
1201 _libdrm_checks = [
1202   ['intel', with_dri_i915 or with_gallium_i915],
1203   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1204   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1205               with_gallium_r300 or with_gallium_r600)],
1206   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1207 ]
1208
1209 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1210 # library.
1211 if with_gallium_vc4
1212   _drm_ver = '2.4.89'
1213 endif
1214
1215 # etnaviv only needs core libdrm
1216 if with_gallium_etnaviv
1217   _drm_ver = '2.4.89'
1218 endif
1219
1220 # Loop over the enables versions and get the highest libdrm requirement for all
1221 # active drivers.
1222 _drm_blame = ''
1223 foreach d : _libdrm_checks
1224   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1225   if d[1] and ver.version_compare('>' + _drm_ver)
1226     _drm_ver = ver
1227     _drm_blame = d[0]
1228   endif
1229 endforeach
1230 if _drm_blame != ''
1231   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1232 endif
1233
1234 # Then get each libdrm module
1235 foreach d : _libdrm_checks
1236   if d[1]
1237     set_variable(
1238       'dep_libdrm_' + d[0],
1239       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1240     )
1241   endif
1242 endforeach
1243
1244 with_gallium_drisw_kms = false
1245 dep_libdrm = dependency(
1246   'libdrm', version : '>=' + _drm_ver,
1247   required : with_dri2 or with_dri3
1248 )
1249 if dep_libdrm.found()
1250   pre_args += '-DHAVE_LIBDRM'
1251   if with_dri_platform == 'drm' and with_dri
1252     with_gallium_drisw_kms = true
1253   endif
1254 endif
1255
1256 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1257 llvm_optional_modules = ['coroutines']
1258 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1259   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1260   if with_gallium_r600
1261     llvm_modules += 'asmparser'
1262   endif
1263 endif
1264 if with_gallium_opencl
1265   llvm_modules += [
1266     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1267     'lto', 'option', 'objcarcopts', 'profiledata',
1268   ]
1269 endif
1270
1271 if with_amd_vk or with_gallium_radeonsi
1272   _llvm_version = '>= 8.0.0'
1273 elif with_gallium_swr
1274   _llvm_version = '>= 6.0.0'
1275 else
1276   _llvm_version = '>= 3.9.0'
1277 endif
1278
1279 _shared_llvm = get_option('shared-llvm')
1280
1281 _llvm = get_option('llvm')
1282 dep_llvm = null_dep
1283 with_llvm = false
1284 if _llvm != 'false'
1285   dep_llvm = dependency(
1286     'llvm',
1287     version : _llvm_version,
1288     modules : llvm_modules,
1289     optional_modules : llvm_optional_modules,
1290     required : (
1291       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1292       with_gallium_opencl or _llvm == 'true'
1293     ),
1294     static : not _shared_llvm,
1295     method : 'config-tool',
1296   )
1297   with_llvm = dep_llvm.found()
1298 endif
1299 if with_llvm
1300   pre_args += '-DLLVM_AVAILABLE'
1301   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1302
1303   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1304   # programs, so we need to build all C++ code in mesa without rtti as well to
1305   # ensure that linking works.
1306   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1307     if with_gallium_nouveau
1308       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1309     elif with_gallium_opencl
1310       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1311     endif
1312     cpp_args += '-fno-rtti'
1313   endif
1314 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1315   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1316 elif with_gallium_opencl
1317   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1318 endif
1319
1320 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1321     (with_gallium_r600 and with_llvm))
1322   dep_elf = dependency('libelf', required : false)
1323   if not dep_elf.found()
1324     dep_elf = cc.find_library('elf')
1325   endif
1326 else
1327   dep_elf = null_dep
1328 endif
1329
1330 dep_glvnd = null_dep
1331 glvnd_has_headers_and_pc_files = false
1332 if with_glvnd
1333   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1334   # GLVND before 1.2 was missing its pkg-config and header files, forcing every
1335   # vendor to provide them and the distro maintainers to resolve the conflict.
1336   glvnd_has_headers_and_pc_files = dep_glvnd.version().version_compare('>= 1.2.0')
1337   pre_args += '-DUSE_LIBGLVND=1'
1338 endif
1339
1340 if with_valgrind != 'false'
1341   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1342   if dep_valgrind.found()
1343     pre_args += '-DHAVE_VALGRIND'
1344   endif
1345 else
1346   dep_valgrind = null_dep
1347 endif
1348
1349 # pthread stubs. Lets not and say we didn't
1350
1351 prog_bison = find_program('bison', required : with_any_opengl)
1352 prog_flex = find_program('flex', required : with_any_opengl)
1353
1354 dep_selinux = null_dep
1355 if get_option('selinux')
1356   dep_selinux = dependency('libselinux')
1357   pre_args += '-DMESA_SELINUX'
1358 endif
1359
1360 if with_libunwind != 'false'
1361   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1362   if dep_unwind.found()
1363     pre_args += '-DHAVE_LIBUNWIND'
1364   endif
1365 else
1366   dep_unwind = null_dep
1367 endif
1368
1369 if with_osmesa != 'none'
1370   if with_osmesa == 'gallium' and not with_gallium_softpipe
1371     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1372   endif
1373   osmesa_lib_name = 'OSMesa'
1374   osmesa_bits = get_option('osmesa-bits')
1375   if osmesa_bits != '8'
1376     if with_dri or with_glx != 'disabled'
1377       error('OSMesa bits must be 8 if building glx or dir based drivers')
1378     endif
1379     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1380     pre_args += [
1381       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1382     ]
1383   endif
1384 endif
1385
1386 # TODO: symbol mangling
1387
1388 if with_platform_wayland
1389   dep_wl_scanner = dependency('wayland-scanner', native: true)
1390   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1391   if dep_wl_scanner.version().version_compare('>= 1.15')
1392     wl_scanner_arg = 'private-code'
1393   else
1394     wl_scanner_arg = 'code'
1395   endif
1396   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1397   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1398   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1399   if with_egl
1400     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1401     dep_wayland_egl_headers = declare_dependency(
1402       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1403   endif
1404   wayland_dmabuf_xml = join_paths(
1405     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1406     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1407   )
1408   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1409 endif
1410
1411 dep_x11 = null_dep
1412 dep_xext = null_dep
1413 dep_xdamage = null_dep
1414 dep_xfixes = null_dep
1415 dep_x11_xcb = null_dep
1416 dep_xcb = null_dep
1417 dep_xcb_glx = null_dep
1418 dep_xcb_dri2 = null_dep
1419 dep_xcb_dri3 = null_dep
1420 dep_dri2proto = null_dep
1421 dep_glproto = null_dep
1422 dep_xxf86vm = null_dep
1423 dep_xcb_dri3 = null_dep
1424 dep_xcb_present = null_dep
1425 dep_xcb_sync = null_dep
1426 dep_xcb_xfixes = null_dep
1427 dep_xshmfence = null_dep
1428 dep_xcb_xrandr = null_dep
1429 dep_xlib_xrandr = null_dep
1430 if with_platform_x11
1431   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1432     dep_x11 = dependency('x11')
1433     dep_xext = dependency('xext')
1434     dep_xcb = dependency('xcb')
1435   elif with_glx == 'dri'
1436     dep_x11 = dependency('x11')
1437     dep_xext = dependency('xext')
1438     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1439     dep_xfixes = dependency('xfixes')
1440     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1441   endif
1442   if (with_any_vk or with_glx == 'dri' or with_egl or
1443        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1444         with_gallium_omx != 'disabled'))
1445     dep_xcb = dependency('xcb')
1446     dep_x11_xcb = dependency('x11-xcb')
1447     if with_dri_platform == 'drm' and not dep_libdrm.found()
1448       error('libdrm required for gallium video statetrackers when using x11')
1449     endif
1450   endif
1451   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1452     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1453
1454     if with_dri3
1455       pre_args += '-DHAVE_DRI3'
1456       dep_xcb_dri3 = dependency('xcb-dri3')
1457       dep_xcb_present = dependency('xcb-present')
1458       # until xcb-dri3 has been around long enough to make a hard-dependency:
1459       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1460           dep_xcb_present.version().version_compare('>= 1.13'))
1461         pre_args += '-DHAVE_DRI3_MODIFIERS'
1462       endif
1463       dep_xcb_sync = dependency('xcb-sync')
1464       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1465     endif
1466   endif
1467   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1468     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1469   endif
1470   if with_glx == 'dri'
1471     if with_dri_platform == 'drm'
1472       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1473       dep_xxf86vm = dependency('xxf86vm')
1474     endif
1475   endif
1476   if (with_egl or (
1477       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1478       with_gallium_omx != 'disabled'))
1479     dep_xcb_xfixes = dependency('xcb-xfixes')
1480   endif
1481   if with_xlib_lease
1482     dep_xcb_xrandr = dependency('xcb-randr')
1483     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1484   endif
1485 endif
1486
1487 if get_option('gallium-extra-hud')
1488   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1489 endif
1490
1491 _sensors = get_option('lmsensors')
1492 if _sensors != 'false'
1493   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1494   if dep_lmsensors.found()
1495     pre_args += '-DHAVE_LIBSENSORS=1'
1496   endif
1497 else
1498   dep_lmsensors = null_dep
1499 endif
1500
1501 foreach a : pre_args
1502   add_project_arguments(a, language : ['c', 'cpp'])
1503 endforeach
1504 foreach a : c_args
1505   add_project_arguments(a, language : ['c'])
1506 endforeach
1507 foreach a : cpp_args
1508   add_project_arguments(a, language : ['cpp'])
1509 endforeach
1510
1511 gl_priv_reqs = []
1512
1513 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1514   gl_priv_reqs += ['x11', 'xext', 'xcb']
1515 elif with_glx == 'dri'
1516   gl_priv_reqs += [
1517     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1518     'xcb-glx >= 1.8.1']
1519   if with_dri_platform == 'drm'
1520     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1521     gl_priv_reqs += 'xxf86vm'
1522   endif
1523 endif
1524 if dep_libdrm.found()
1525   gl_priv_reqs += 'libdrm >= 2.4.75'
1526 endif
1527
1528 gl_priv_libs = []
1529 if dep_thread.found()
1530   gl_priv_libs += ['-lpthread', '-pthread']
1531 endif
1532 if dep_m.found()
1533   gl_priv_libs += '-lm'
1534 endif
1535 if dep_dl.found()
1536   gl_priv_libs += '-ldl'
1537 endif
1538
1539 pkg = import('pkgconfig')
1540
1541 prog_nm = find_program('nm', required : false)
1542
1543 # This quirk needs to be applied to sources with functions defined in assembly
1544 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1545 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1546
1547 subdir('include')
1548 subdir('bin')
1549 subdir('src')
1550
1551 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1552 # formatting below unless the first argument is passed as a variable. This has
1553 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1554 # for backwards compatibility.
1555 _with_opengl_string = with_opengl ? 'yes' : 'no'
1556
1557 lines = ['',
1558   'prefix:          ' + get_option('prefix'),
1559   'libdir:          ' + get_option('libdir'),
1560   'includedir:      ' + get_option('includedir'),
1561   '',
1562   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1563                                                     with_gles1 ? 'yes' : 'no',
1564                                                     with_gles2 ? 'yes' : 'no'),
1565 ]
1566
1567 if with_osmesa != 'none'
1568   lines += ''
1569   suffix = ''
1570   if with_osmesa == 'gallium'
1571     suffix = '(Gallium)'
1572   endif
1573   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1574 else
1575   lines += 'OSMesa:          no'
1576 endif
1577
1578 if with_dri
1579   lines += ''
1580   lines += 'DRI platform:    ' + with_dri_platform
1581   if dri_drivers.length() != 0 and dri_drivers != ['']
1582     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1583   else
1584     lines += 'DRI drivers:     no'
1585   endif
1586   lines += 'DRI driver dir:  ' + dri_drivers_path
1587 endif
1588
1589 if with_glx != 'disabled'
1590   lines += ''
1591   if with_glx == 'dri'
1592     lines += 'GLX:             DRI-based'
1593   elif with_glx == 'xlib'
1594     lines += 'GLX:             Xlib-based'
1595   elif with_glx == 'gallium-xlib'
1596     lines += 'GLX:             Xlib-based (Gallium)'
1597   else
1598     lines += 'GLX:             ' + with_glx
1599   endif
1600 endif
1601
1602 lines += ''
1603 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1604 if with_egl
1605   egl_drivers = []
1606   if with_dri
1607     egl_drivers += 'builtin:egl_dri2'
1608   endif
1609   if with_dri3
1610     egl_drivers += 'builtin:egl_dri3'
1611   endif
1612   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1613 endif
1614 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1615 if with_platforms
1616   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1617 endif
1618
1619 lines += ''
1620 if with_any_vk
1621   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1622   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1623 else
1624   lines += 'Vulkan drivers:  no'
1625 endif
1626
1627 lines += ''
1628 if with_llvm
1629   lines += 'llvm:            yes'
1630   lines += 'llvm-version:    ' + dep_llvm.version()
1631 else
1632   lines += 'llvm:            no'
1633 endif
1634
1635 lines += ''
1636 if with_gallium
1637   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1638   gallium_st = ['mesa']
1639   if with_gallium_xa
1640     gallium_st += 'xa'
1641   endif
1642   if with_gallium_xvmc
1643     gallium_st += 'xvmc'
1644   endif
1645   if with_gallium_xvmc
1646     gallium_st += 'xvmc'
1647   endif
1648   if with_gallium_vdpau
1649     gallium_st += 'vdpau'
1650   endif
1651   if with_gallium_omx != 'disabled'
1652     gallium_st += 'omx' + with_gallium_omx
1653   endif
1654   if with_gallium_va
1655     gallium_st += 'va'
1656   endif
1657   if with_gallium_st_nine
1658     gallium_st += 'nine'
1659   endif
1660   if with_gallium_opencl
1661     gallium_st += 'clover'
1662   endif
1663   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1664 else
1665   lines += 'Gallium:         no'
1666 endif
1667
1668 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1669
1670 lines += ''
1671 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1672
1673
1674 indent = '        '
1675 summary = indent + ('\n' + indent).join(lines)
1676 message('Configuration summary:\n@0@\n'.format(summary))