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 : '>= 0.45',
  29   default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++11']
  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://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  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_asm = get_option('asm')
  53 with_glx_read_only_text = get_option('glx-read-only-text')
  54 with_glx_direct = get_option('glx-direct')
  55 with_osmesa = get_option('osmesa')
  56 with_swr_arches = get_option('swr-arches')
  57 with_tools = get_option('tools')
  58 if with_tools.contains('all')
  59   with_tools = ['etnaviv', 'freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
  60 endif
  61
  62 dri_drivers_path = get_option('dri-drivers-path')
  63 if dri_drivers_path == ''
  64   dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
  65 endif
  66 dri_search_path = get_option('dri-search-path')
  67 if dri_search_path == ''
  68   dri_search_path = dri_drivers_path
  69 endif
  70
  71 with_gles1 = get_option('gles1')
  72 with_gles2 = get_option('gles2')
  73 with_opengl = get_option('opengl')
  74 with_any_opengl = with_opengl or with_gles1 or with_gles2
  75 # Only build shared_glapi if at least one OpenGL API is enabled
  76 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  77
  78
  79 # shared-glapi is required if at least two OpenGL APIs are being built
  80 if not with_shared_glapi
  81   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  82       or (with_gles2 and with_opengl))
  83     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  84   endif
  85 endif
  86
  87 # We require OpenGL for OpenGL ES
  88 if (with_gles1 or with_gles2) and not with_opengl
  89   error('building OpenGL ES without OpenGL is not supported.')
  90 endif
  91
  92 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  93
  94 dri_drivers = get_option('dri-drivers')
  95 if dri_drivers.contains('auto')
  96   if system_has_kms_drm
  97     # TODO: PPC, Sparc
  98     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  99       dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 100     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 101       dri_drivers = []
 102     else
 103       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 104             host_machine.cpu_family()))
 105     endif
 106   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 107     # only swrast would make sense here, but gallium swrast is a much better default
 108     dri_drivers = []
 109   else
 110     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 111           host_machine.system()))
 112   endif
 113 endif
 114
 115 with_dri_i915 = dri_drivers.contains('i915')
 116 with_dri_i965 = dri_drivers.contains('i965')
 117 with_dri_r100 = dri_drivers.contains('r100')
 118 with_dri_r200 = dri_drivers.contains('r200')
 119 with_dri_nouveau = dri_drivers.contains('nouveau')
 120 with_dri_swrast = dri_drivers.contains('swrast')
 121
 122 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
 123
 124 gallium_drivers = get_option('gallium-drivers')
 125 if gallium_drivers.contains('auto')
 126   if system_has_kms_drm
 127     # TODO: PPC, Sparc
 128     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 129       gallium_drivers = [
 130         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 131       ]
 132     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 133       gallium_drivers = [
 134         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 135         'tegra', 'virgl', 'lima', 'swrast'
 136       ]
 137     else
 138       error('Unknown architecture @0@. Please pass -Dgallium-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     gallium_drivers = ['swrast']
 143   else
 144     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 145           host_machine.system()))
 146   endif
 147 endif
 148 with_gallium_kmsro = gallium_drivers.contains('kmsro')
 149 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
 150 with_gallium_r300 = gallium_drivers.contains('r300')
 151 with_gallium_r600 = gallium_drivers.contains('r600')
 152 with_gallium_nouveau = gallium_drivers.contains('nouveau')
 153 with_gallium_freedreno = gallium_drivers.contains('freedreno')
 154 with_gallium_softpipe = gallium_drivers.contains('swrast')
 155 with_gallium_vc4 = gallium_drivers.contains('vc4')
 156 with_gallium_v3d = gallium_drivers.contains('v3d')
 157 with_gallium_panfrost = gallium_drivers.contains('panfrost')
 158 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
 159 with_gallium_tegra = gallium_drivers.contains('tegra')
 160 with_gallium_iris = gallium_drivers.contains('iris')
 161 with_gallium_i915 = gallium_drivers.contains('i915')
 162 with_gallium_svga = gallium_drivers.contains('svga')
 163 with_gallium_virgl = gallium_drivers.contains('virgl')
 164 with_gallium_swr = gallium_drivers.contains('swr')
 165 with_gallium_lima = gallium_drivers.contains('lima')
 166
 167 if cc.get_id() == 'intel'
 168   if meson.version().version_compare('< 0.49.0')
 169     error('Meson does not have sufficient support of ICC before 0.49.0 to compile mesa')
 170   elif with_gallium_swr and meson.version().version_compare('== 0.49.0')
 171     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')
 172   endif
 173 endif
 174
 175 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 176
 177 if with_gallium and system_has_kms_drm
 178   _glx = get_option('glx')
 179   _egl = get_option('egl')
 180   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 181     with_dri = true
 182   endif
 183 endif
 184
 185 _vulkan_drivers = get_option('vulkan-drivers')
 186 if _vulkan_drivers.contains('auto')
 187   if system_has_kms_drm
 188     if host_machine.cpu_family().startswith('x86')
 189       _vulkan_drivers = ['amd', 'intel']
 190     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 191       _vulkan_drivers = []
 192     else
 193       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 194             host_machine.cpu_family()))
 195     endif
 196   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 197     # No vulkan driver supports windows or macOS currently
 198     _vulkan_drivers = []
 199   else
 200     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 201           host_machine.system()))
 202   endif
 203 endif
 204
 205 with_intel_vk = _vulkan_drivers.contains('intel')
 206 with_amd_vk = _vulkan_drivers.contains('amd')
 207 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 208 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 209
 210 if with_freedreno_vk and get_option('I-love-half-baked-turnips') != true
 211   error('Cannot enable freedreno vulkan driver')
 212 endif
 213
 214 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 215   error('Only one swrast provider can be built')
 216 endif
 217 if with_dri_i915 and with_gallium_i915
 218   error('Only one i915 provider can be built')
 219 endif
 220 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)
 221   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
 222 endif
 223 if with_gallium_tegra and not with_gallium_nouveau
 224   error('tegra driver requires nouveau driver')
 225 endif
 226
 227 if host_machine.system() == 'darwin'
 228   with_dri_platform = 'apple'
 229 elif ['windows', 'cygwin'].contains(host_machine.system())
 230   with_dri_platform = 'windows'
 231 elif system_has_kms_drm
 232   with_dri_platform = 'drm'
 233 else
 234   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 235   # assert here that one of those cases has been met.
 236   # FIXME: illumos ends up here as well
 237   with_dri_platform = 'none'
 238 endif
 239
 240 _platforms = get_option('platforms')
 241 if _platforms.contains('auto')
 242   if system_has_kms_drm
 243     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 244   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 245     _platforms = ['x11', 'surfaceless']
 246   elif ['haiku'].contains(host_machine.system())
 247     _platforms = ['haiku']
 248   else
 249     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 250           host_machine.system()))
 251   endif
 252 endif
 253
 254 with_platform_android = _platforms.contains('android')
 255 with_platform_x11 = _platforms.contains('x11')
 256 with_platform_wayland = _platforms.contains('wayland')
 257 with_platform_drm = _platforms.contains('drm')
 258 with_platform_haiku = _platforms.contains('haiku')
 259 with_platform_surfaceless = _platforms.contains('surfaceless')
 260
 261 with_platforms = false
 262 if _platforms.length() != 0 and _platforms != ['']
 263   with_platforms = true
 264   egl_native_platform = _platforms[0]
 265 endif
 266
 267 _xlib_lease = get_option('xlib-lease')
 268 if _xlib_lease == 'auto'
 269   with_xlib_lease = with_platform_x11 and with_platform_drm
 270 else
 271   with_xlib_lease = _xlib_lease == 'true'
 272 endif
 273
 274 with_glx = get_option('glx')
 275 if with_glx == 'auto'
 276   if with_dri
 277     with_glx = 'dri'
 278   elif with_platform_haiku
 279     with_glx = 'disabled'
 280   elif with_gallium
 281     # Even when building just gallium drivers the user probably wants dri
 282     with_glx = 'dri'
 283   elif with_platform_x11 and with_any_opengl and not with_any_vk
 284     # The automatic behavior should not be to turn on xlib based glx when
 285     # building only vulkan drivers
 286     with_glx = 'xlib'
 287   else
 288     with_glx = 'disabled'
 289   endif
 290 endif
 291 if with_glx == 'dri'
 292    if with_gallium
 293       with_dri = true
 294    endif
 295 endif
 296
 297 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 298   with_gles1 = false
 299   with_gles2 = false
 300   with_opengl = false
 301   with_any_opengl = false
 302   with_shared_glapi = false
 303 endif
 304
 305 _gbm = get_option('gbm')
 306 if _gbm == 'auto'
 307   with_gbm = system_has_kms_drm and with_dri
 308 else
 309   with_gbm = _gbm == 'true'
 310 endif
 311 if with_gbm and not system_has_kms_drm
 312   error('GBM only supports DRM/KMS platforms')
 313 endif
 314
 315 _egl = get_option('egl')
 316 if _egl == 'auto'
 317   with_egl = (
 318     not ['darwin', 'windows'].contains(host_machine.system()) and
 319     with_dri and with_shared_glapi and with_platforms
 320   )
 321 elif _egl == 'true'
 322   if not with_dri
 323     error('EGL requires dri')
 324   elif not with_shared_glapi
 325     error('EGL requires shared-glapi')
 326   elif not with_platforms
 327     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 328   elif not ['disabled', 'dri'].contains(with_glx)
 329     error('EGL requires dri, but a GLX is being built without dri')
 330   elif ['darwin', 'windows'].contains(host_machine.system())
 331     error('EGL is not available on Windows or MacOS')
 332   endif
 333   with_egl = true
 334 else
 335   with_egl = false
 336 endif
 337
 338 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 339   if with_gallium_radeonsi
 340     error('RadeonSI requires drm or surfaceless platform when using EGL')
 341   endif
 342   if with_gallium_virgl
 343     error('Virgl requires drm or surfaceless platform when using EGL')
 344   endif
 345 endif
 346
 347 pre_args += '-DGLX_USE_TLS'
 348 if with_glx != 'disabled'
 349   if not (with_platform_x11 and with_any_opengl)
 350     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 351   elif with_glx == 'gallium-xlib'
 352     if not with_gallium
 353       error('Gallium-xlib based GLX requires at least one gallium driver')
 354     elif not with_gallium_softpipe
 355       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 356     elif with_dri
 357       error('gallium-xlib conflicts with any dri driver')
 358     endif
 359   elif with_glx == 'xlib'
 360     if with_dri
 361       error('xlib conflicts with any dri driver')
 362     endif
 363   elif with_glx == 'dri'
 364     if not with_dri
 365       error('dri based GLX requires at least one DRI driver')
 366     elif not with_shared_glapi
 367       error('dri based GLX requires shared-glapi')
 368     endif
 369   endif
 370 endif
 371
 372 with_glvnd = get_option('glvnd')
 373 if with_glvnd
 374   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 375     error('Cannot build glvnd support for GLX that is not DRI based.')
 376   elif with_glx == 'disabled' and not with_egl
 377     error('glvnd requires DRI based GLX and/or EGL')
 378   endif
 379   if get_option('egl-lib-suffix') != ''
 380     error('''EGL lib suffix can't be used with libglvnd''')
 381   endif
 382 endif
 383
 384 if with_vulkan_icd_dir == ''
 385   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 386 endif
 387
 388 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
 389   host_machine.system() == 'gnu')
 390 _dri3 = get_option('dri3')
 391 if _dri3 == 'auto'
 392   with_dri3 = system_has_kms_drm and with_dri2
 393 else
 394   with_dri3 = _dri3 == 'true'
 395 endif
 396
 397 if with_any_vk and (with_platform_x11 and not with_dri3)
 398   error('Vulkan drivers require dri3 for X11 support')
 399 endif
 400 if with_dri
 401   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 402     error('building dri drivers require at least one windowing system or classic osmesa')
 403   endif
 404 endif
 405
 406 prog_pkgconfig = find_program('pkg-config')
 407
 408 _vdpau = get_option('gallium-vdpau')
 409 if not system_has_kms_drm
 410   if _vdpau == 'true'
 411     error('VDPAU state tracker can only be build on unix-like OSes.')
 412   else
 413     _vdpau = 'false'
 414   endif
 415 elif not with_platform_x11
 416   if _vdpau == 'true'
 417     error('VDPAU state tracker requires X11 support.')
 418   else
 419     _vdpau = 'false'
 420   endif
 421 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 422           with_gallium_nouveau)
 423   if _vdpau == 'true'
 424     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 425   else
 426     _vdpau = 'false'
 427   endif
 428 endif
 429 dep_vdpau = null_dep
 430 with_gallium_vdpau = false
 431 if _vdpau != 'false'
 432   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 433   if dep_vdpau.found()
 434     dep_vdpau = declare_dependency(
 435       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 436     )
 437     with_gallium_vdpau = true
 438   endif
 439 endif
 440
 441 if with_gallium_vdpau
 442   pre_args += '-DHAVE_ST_VDPAU'
 443 endif
 444 vdpau_drivers_path = get_option('vdpau-libs-path')
 445 if vdpau_drivers_path == ''
 446   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 447 endif
 448
 449 _xvmc = get_option('gallium-xvmc')
 450 if not system_has_kms_drm
 451   if _xvmc == 'true'
 452     error('XVMC state tracker can only be build on unix-like OSes.')
 453   else
 454     _xvmc = 'false'
 455   endif
 456 elif not with_platform_x11
 457   if _xvmc == 'true'
 458     error('XVMC state tracker requires X11 support.')
 459   else
 460     _xvmc = 'false'
 461   endif
 462 elif not (with_gallium_r600 or with_gallium_nouveau)
 463   if _xvmc == 'true'
 464     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 465   else
 466     _xvmc = 'false'
 467   endif
 468 endif
 469 dep_xvmc = null_dep
 470 with_gallium_xvmc = false
 471 if _xvmc != 'false'
 472   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 473   with_gallium_xvmc = dep_xvmc.found()
 474 endif
 475
 476 xvmc_drivers_path = get_option('xvmc-libs-path')
 477 if xvmc_drivers_path == ''
 478   xvmc_drivers_path = get_option('libdir')
 479 endif
 480
 481 _omx = get_option('gallium-omx')
 482 if not system_has_kms_drm
 483   if ['auto', 'disabled'].contains(_omx)
 484     _omx = 'disabled'
 485   else
 486     error('OMX state tracker can only be built on unix-like OSes.')
 487   endif
 488 elif not (with_platform_x11 or with_platform_drm)
 489   if ['auto', 'disabled'].contains(_omx)
 490     _omx = 'disabled'
 491   else
 492     error('OMX state tracker requires X11 or drm platform support.')
 493   endif
 494 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 495   if ['auto', 'disabled'].contains(_omx)
 496     _omx = 'disabled'
 497   else
 498     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 499   endif
 500 endif
 501 with_gallium_omx = _omx
 502 dep_omx = null_dep
 503 dep_omx_other = []
 504 if ['auto', 'bellagio'].contains(_omx)
 505   dep_omx = dependency(
 506     'libomxil-bellagio', required : _omx == 'bellagio'
 507   )
 508   if dep_omx.found()
 509     with_gallium_omx = 'bellagio'
 510   endif
 511 endif
 512 if ['auto', 'tizonia'].contains(_omx)
 513   if with_dri and with_egl
 514     dep_omx = dependency(
 515       'libtizonia', version : '>= 0.10.0',
 516       required : _omx == 'tizonia',
 517     )
 518     dep_omx_other = [
 519       dependency('libtizplatform', required : _omx == 'tizonia'),
 520       dependency('tizilheaders', required : _omx == 'tizonia'),
 521     ]
 522     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 523       with_gallium_omx = 'tizonia'
 524     endif
 525   elif _omx == 'tizonia'
 526     error('OMX-Tizonia state tracker requires dri and egl')
 527   endif
 528 endif
 529 if _omx == 'auto'
 530   with_gallium_omx = 'disabled'
 531 else
 532   with_gallium_omx = _omx
 533 endif
 534
 535 pre_args += [
 536   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 537   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 538 ]
 539
 540
 541 omx_drivers_path = get_option('omx-libs-path')
 542
 543 if with_gallium_omx != 'disabled'
 544   # Figure out where to put the omx driver.
 545   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 546   # argument to meson's get_pkgconfig_variable method.
 547   if omx_drivers_path == ''
 548     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 549     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 550     if _omx_libdir == get_option('libdir')
 551       omx_drivers_path = _omx_drivers_dir
 552     else
 553       _omx_base_dir = []
 554       # This will fail on windows. Does OMX run on windows?
 555       _omx_libdir = _omx_libdir.split('/')
 556       _omx_drivers_dir = _omx_drivers_dir.split('/')
 557       foreach o : _omx_drivers_dir
 558         if not _omx_libdir.contains(o)
 559           _omx_base_dir += o
 560         endif
 561       endforeach
 562       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 563     endif
 564   endif
 565 endif
 566
 567 _va = get_option('gallium-va')
 568 if not system_has_kms_drm
 569   if _va == 'true'
 570     error('VA state tracker can only be built on unix-like OSes.')
 571   else
 572     _va = 'false'
 573   endif
 574 elif not (with_platform_x11 or with_platform_drm)
 575   if _va == 'true'
 576     error('VA state tracker requires X11 or drm or wayland platform support.')
 577   else
 578     _va = 'false'
 579   endif
 580 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 581   if _va == 'true'
 582     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 583   else
 584     _va = 'false'
 585   endif
 586 endif
 587 with_gallium_va = false
 588 dep_va = null_dep
 589 if _va != 'false'
 590   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 591   if dep_va.found()
 592     dep_va_headers = declare_dependency(
 593       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 594     )
 595     with_gallium_va = true
 596   endif
 597 endif
 598
 599 va_drivers_path = get_option('va-libs-path')
 600 if va_drivers_path == ''
 601   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 602 endif
 603
 604 _xa = get_option('gallium-xa')
 605 if not system_has_kms_drm
 606   if _xa == 'true'
 607     error('XA state tracker can only be built on unix-like OSes.')
 608   else
 609     _xa = 'false'
 610   endif
 611 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 612           or with_gallium_svga)
 613   if _xa == 'true'
 614     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 615   else
 616     _xa = 'false'
 617   endif
 618 endif
 619 with_gallium_xa = _xa != 'false'
 620
 621 d3d_drivers_path = get_option('d3d-drivers-path')
 622 if d3d_drivers_path == ''
 623   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 624 endif
 625
 626 with_gallium_st_nine =  get_option('gallium-nine')
 627 if with_gallium_st_nine
 628   if not with_gallium_softpipe
 629     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 630   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 631             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 632             or with_gallium_iris)
 633     error('The nine state tracker requires at least one non-swrast gallium driver.')
 634   endif
 635   if not with_dri3
 636     error('Using nine with wine requires dri3')
 637   endif
 638 endif
 639
 640 if get_option('power8') != 'false'
 641   # on old versions of meson the cpu family would return as ppc64le on little
 642   # endian power8, this was changed in 0.48 such that the family would always
 643   # be ppc64 regardless of endianness, and the the machine.endian() value
 644   # should be checked. Since we support versions < 0.48 we need to use
 645   # startswith.
 646   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 647     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 648       error('Altivec is not supported with gcc version < 4.8.')
 649     endif
 650     if cc.compiles('''
 651         #include <altivec.h>
 652         int main() {
 653           vector unsigned char r;
 654           vector unsigned int v = vec_splat_u32 (1);
 655           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 656           return 0;
 657         }''',
 658         args : '-mpower8-vector',
 659         name : 'POWER8 intrinsics')
 660       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 661     elif get_option('power8') == 'true'
 662       error('POWER8 intrinsic support required but not found.')
 663     endif
 664   endif
 665 endif
 666
 667 _opencl = get_option('gallium-opencl')
 668 clover_cpp_std = []
 669 if _opencl != 'disabled'
 670   if not with_gallium
 671     error('OpenCL Clover implementation requires at least one gallium driver.')
 672   endif
 673
 674   dep_clc = dependency('libclc')
 675   with_gallium_opencl = true
 676   with_opencl_icd = _opencl == 'icd'
 677
 678   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 679       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 680       #error "AltiVec not enabled"
 681       #endif''',
 682       name : 'Altivec')
 683     clover_cpp_std += ['cpp_std=gnu++11']
 684   endif
 685 else
 686   dep_clc = null_dep
 687   with_gallium_opencl = false
 688   with_opencl_icd = false
 689 endif
 690
 691 gl_pkgconfig_c_flags = []
 692 if with_platform_x11
 693   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 694     pre_args += '-DHAVE_X11_PLATFORM'
 695   endif
 696   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 697     pre_args += '-DUSE_XSHM'
 698   else
 699     pre_args += '-DGLX_INDIRECT_RENDERING'
 700     if with_glx_direct
 701       pre_args += '-DGLX_DIRECT_RENDERING'
 702     endif
 703     if with_dri_platform == 'drm'
 704       pre_args += '-DGLX_USE_DRM'
 705     elif with_dri_platform == 'apple'
 706       pre_args += '-DGLX_USE_APPLEGL'
 707     elif with_dri_platform == 'windows'
 708       pre_args += '-DGLX_USE_WINDOWSGL'
 709     endif
 710   endif
 711 else
 712   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 713   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 714 endif
 715 if with_platform_drm
 716   if with_egl and not with_gbm
 717     error('EGL drm platform requires gbm')
 718   endif
 719   pre_args += '-DHAVE_DRM_PLATFORM'
 720 endif
 721 if with_platform_surfaceless
 722   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 723 endif
 724 if with_platform_android
 725   dep_android = [
 726     dependency('cutils'),
 727     dependency('hardware'),
 728     dependency('sync'),
 729   ]
 730   if get_option('platform-sdk-version') >= 26
 731     dep_android += dependency('nativewindow')
 732   endif
 733   pre_args += '-DHAVE_ANDROID_PLATFORM'
 734 endif
 735 if with_platform_haiku
 736   pre_args += '-DHAVE_HAIKU_PLATFORM'
 737 endif
 738
 739 prog_python = import('python3').find_python()
 740 has_mako = run_command(
 741   prog_python, '-c',
 742   '''
 743 from distutils.version import StrictVersion
 744 import mako
 745 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 746   ''')
 747 if has_mako.returncode() != 0
 748   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 749 endif
 750
 751 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 752   error('When using GCC, version 4.4.6 or later is required.')
 753 endif
 754
 755 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 756 if get_option('buildtype') == 'debug'
 757   pre_args += '-DDEBUG'
 758 endif
 759
 760 if get_option('shader-cache')
 761   pre_args += '-DENABLE_SHADER_CACHE'
 762 elif with_amd_vk
 763   error('Radv requires shader cache support')
 764 endif
 765
 766 # Check for GCC style builtins
 767 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 768              'ffsll', 'popcount', 'popcountll', 'unreachable']
 769   if cc.has_function(b)
 770     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 771   endif
 772 endforeach
 773
 774 # check for GCC __attribute__
 775 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 776              'warn_unused_result', 'weak',]
 777   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 778                  name : '__attribute__((@0@))'.format(a))
 779     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 780   endif
 781 endforeach
 782 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 783                name : '__attribute__((format(...)))')
 784   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 785 endif
 786 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 787                name : '__attribute__((packed))')
 788   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 789 endif
 790 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 791                name : '__attribute__((returns_nonnull))')
 792   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 793 endif
 794 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 795                   int foo_hid(void) __attribute__((visibility("hidden")));
 796                   int foo_int(void) __attribute__((visibility("internal")));
 797                   int foo_pro(void) __attribute__((visibility("protected")));''',
 798                name : '__attribute__((visibility(...)))')
 799   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 800 endif
 801 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 802                name : '__attribute__((alias(...)))')
 803   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 804 endif
 805 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 806                name : '__attribute__((__noreturn__))')
 807   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 808 endif
 809
 810 # TODO: this is very incomplete
 811 if ['linux', 'cygwin', 'gnu'].contains(host_machine.system())
 812   pre_args += '-D_GNU_SOURCE'
 813 endif
 814
 815 # Check for generic C arguments
 816 c_args = []
 817 foreach a : ['-Werror=implicit-function-declaration',
 818              '-Werror=missing-prototypes', '-Werror=return-type',
 819              '-Werror=incompatible-pointer-types',
 820              '-fno-math-errno',
 821              '-fno-trapping-math', '-Qunused-arguments']
 822   if cc.has_argument(a)
 823     c_args += a
 824   endif
 825 endforeach
 826
 827 foreach a : ['missing-field-initializers', 'format-truncation']
 828   if cc.has_argument('-W' + a)
 829     c_args += '-Wno-' + a
 830   endif
 831 endforeach
 832
 833 c_vis_args = []
 834 if cc.has_argument('-fvisibility=hidden')
 835   c_vis_args += '-fvisibility=hidden'
 836 endif
 837
 838 # Check for generic C++ arguments
 839 cpp_args = []
 840 foreach a : ['-Werror=return-type',
 841              '-fno-math-errno', '-fno-trapping-math',
 842              '-Qunused-arguments']
 843   if cpp.has_argument(a)
 844     cpp_args += a
 845   endif
 846 endforeach
 847
 848 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 849 # option is not supported. Hence, check for -Wfoo instead.
 850
 851 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
 852   if cpp.has_argument('-W' + a)
 853     cpp_args += '-Wno-' + a
 854   endif
 855 endforeach
 856
 857 no_override_init_args = []
 858 foreach a : ['override-init', 'initializer-overrides']
 859   if cc.has_argument('-W' + a)
 860     no_override_init_args += '-Wno-' + a
 861   endif
 862 endforeach
 863
 864 cpp_vis_args = []
 865 if cpp.has_argument('-fvisibility=hidden')
 866   cpp_vis_args += '-fvisibility=hidden'
 867 endif
 868
 869 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 870 # in parts of the mesa code base that need to compile with old versions of
 871 # MSVC, mainly common code
 872 c_msvc_compat_args = []
 873 cpp_msvc_compat_args = []
 874 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 875   if cc.has_argument(a)
 876     c_msvc_compat_args += a
 877   endif
 878   if cpp.has_argument(a)
 879     cpp_msvc_compat_args += a
 880   endif
 881 endforeach
 882
 883 if host_machine.cpu_family().startswith('x86')
 884   pre_args += '-DUSE_SSE41'
 885   with_sse41 = true
 886   sse41_args = ['-msse4.1']
 887
 888   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 889   # that's not guaranteed
 890   if host_machine.cpu_family() == 'x86'
 891     sse41_args += '-mstackrealign'
 892   endif
 893 else
 894   with_sse41 = false
 895   sse41_args = []
 896 endif
 897
 898 # Check for GCC style atomics
 899 dep_atomic = null_dep
 900
 901 if cc.compiles('''#include <stdint.h>
 902                   int main() {
 903                     struct {
 904                       uint64_t *v;
 905                     } x;
 906                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 907                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 908
 909                   }''',
 910                name : 'GCC atomic builtins')
 911   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 912
 913   # Not all atomic calls can be turned into lock-free instructions, in which
 914   # GCC will make calls into the libatomic library. Check whether we need to
 915   # link with -latomic.
 916   #
 917   # This can happen for 64-bit atomic operations on 32-bit architectures such
 918   # as ARM.
 919   if not cc.links('''#include <stdint.h>
 920                      int main() {
 921                        struct {
 922                          uint64_t *v;
 923                        } x;
 924                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 925                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 926                      }''',
 927                   name : 'GCC atomic builtins required -latomic')
 928     dep_atomic = cc.find_library('atomic')
 929   endif
 930 endif
 931 if not cc.links('''#include <stdint.h>
 932                    uint64_t v;
 933                    int main() {
 934                      return __sync_add_and_fetch(&v, (uint64_t)1);
 935                    }''',
 936                 dependencies : dep_atomic,
 937                 name : 'GCC 64bit atomics')
 938   pre_args += '-DMISSING_64BIT_ATOMICS'
 939 endif
 940
 941 # TODO: shared/static? Is this even worth doing?
 942
 943 # When cross compiling we generally need to turn off the use of assembly,
 944 # because mesa's assembly relies on building an executable for the host system,
 945 # and running it to get information about struct sizes. There is at least one
 946 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 947 # host OS == build OS, since in that case the build machine can run the host's
 948 # binaries.
 949 if with_asm and meson.is_cross_build()
 950   if build_machine.system() != host_machine.system()
 951     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 952     message('Cross compiling from one OS to another, disabling assembly.')
 953     with_asm = false
 954   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 955     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 956     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 957     # case.
 958     # TODO: There may be other cases where the 64 bit version of the
 959     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 960     message('''
 961       Cross compiling to different architectures, and the host cannot run
 962       the build machine's binaries. Disabling assembly.
 963     ''')
 964     with_asm = false
 965   endif
 966 endif
 967
 968 with_asm_arch = ''
 969 if with_asm
 970   if host_machine.cpu_family() == 'x86'
 971     if system_has_kms_drm or host_machine.system() == 'gnu'
 972       with_asm_arch = 'x86'
 973       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 974                    '-DUSE_SSE_ASM']
 975
 976       if with_glx_read_only_text
 977          pre_args += ['-DGLX_X86_READONLY_TEXT']
 978       endif
 979     endif
 980   elif host_machine.cpu_family() == 'x86_64'
 981     if system_has_kms_drm
 982       with_asm_arch = 'x86_64'
 983       pre_args += ['-DUSE_X86_64_ASM']
 984     endif
 985   elif host_machine.cpu_family() == 'arm'
 986     if system_has_kms_drm
 987       with_asm_arch = 'arm'
 988       pre_args += ['-DUSE_ARM_ASM']
 989     endif
 990   elif host_machine.cpu_family() == 'aarch64'
 991     if system_has_kms_drm
 992       with_asm_arch = 'aarch64'
 993       pre_args += ['-DUSE_AARCH64_ASM']
 994     endif
 995   elif host_machine.cpu_family() == 'sparc64'
 996     if system_has_kms_drm
 997       with_asm_arch = 'sparc'
 998       pre_args += ['-DUSE_SPARC_ASM']
 999     endif
1000   elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1001     if system_has_kms_drm
1002       with_asm_arch = 'ppc64le'
1003       pre_args += ['-DUSE_PPC64LE_ASM']
1004     endif
1005   endif
1006 endif
1007
1008 # Check for standard headers and functions
1009 if cc.has_header_symbol('sys/sysmacros.h', 'major')
1010   pre_args += '-DMAJOR_IN_SYSMACROS'
1011 elif cc.has_header_symbol('sys/mkdev.h', 'major')
1012   pre_args += '-DMAJOR_IN_MKDEV'
1013 endif
1014
1015 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
1016   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1017     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1018   endif
1019 endforeach
1020
1021 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
1022   if cc.has_function(f)
1023     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1024   endif
1025 endforeach
1026
1027 # strtod locale support
1028 if cc.links('''
1029     #define _GNU_SOURCE
1030     #include <stdlib.h>
1031     #include <locale.h>
1032     #ifdef HAVE_XLOCALE_H
1033     #include <xlocale.h>
1034     #endif
1035     int main() {
1036       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1037       const char *s = "1.0";
1038       char *end;
1039       double d = strtod_l(s, end, loc);
1040       float f = strtof_l(s, end, loc);
1041       freelocale(loc);
1042       return 0;
1043     }''',
1044     args : pre_args,
1045     name : 'strtod has locale support')
1046   pre_args += '-DHAVE_STRTOD_L'
1047 endif
1048
1049 # Check for some linker flags
1050 ld_args_bsymbolic = []
1051 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1052   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1053 endif
1054 ld_args_gc_sections = []
1055 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1056             args : '-Wl,--gc-sections', name : 'gc-sections')
1057   ld_args_gc_sections += '-Wl,--gc-sections'
1058 endif
1059 with_ld_version_script = false
1060 if cc.links('int main() { return 0; }',
1061             args : '-Wl,--version-script=@0@'.format(
1062               join_paths(meson.source_root(), 'build-support/conftest.map')),
1063             name : 'version-script')
1064   with_ld_version_script = true
1065 endif
1066 with_ld_dynamic_list = false
1067 if cc.links('int main() { return 0; }',
1068             args : '-Wl,--dynamic-list=@0@'.format(
1069               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1070             name : 'dynamic-list')
1071   with_ld_dynamic_list = true
1072 endif
1073 ld_args_build_id = []
1074 if build_machine.system() != 'darwin'
1075    ld_args_build_id += '-Wl,--build-id=sha1'
1076 endif
1077
1078 # check for dl support
1079 if cc.has_function('dlopen')
1080   dep_dl = null_dep
1081 else
1082   dep_dl = cc.find_library('dl')
1083 endif
1084 if cc.has_function('dladdr', dependencies : dep_dl)
1085   # This is really only required for megadrivers
1086   pre_args += '-DHAVE_DLADDR'
1087 endif
1088
1089 if cc.has_function('dl_iterate_phdr')
1090   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1091 elif with_intel_vk
1092   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1093 elif with_dri_i965 and get_option('shader-cache')
1094   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1095 endif
1096
1097 # Determine whether or not the rt library is needed for time functions
1098 if cc.has_function('clock_gettime')
1099   dep_clock = null_dep
1100 else
1101   dep_clock = cc.find_library('rt')
1102 endif
1103
1104 # TODO: some of these may be conditional
1105 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1106 pre_args += '-DHAVE_ZLIB'
1107 dep_thread = dependency('threads')
1108 if dep_thread.found() and host_machine.system() != 'windows'
1109   pre_args += '-DHAVE_PTHREAD'
1110   if cc.has_function(
1111       'pthread_setaffinity_np',
1112       dependencies : dep_thread,
1113       prefix : '#include <pthread.h>',
1114       args : '-D_GNU_SOURCE')
1115     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1116   endif
1117 endif
1118 dep_expat = dependency('expat')
1119 # this only exists on linux so either this is linux and it will be found, or
1120 # its not linux and and wont
1121 dep_m = cc.find_library('m', required : false)
1122
1123 # Check for libdrm. various drivers have different libdrm version requirements,
1124 # but we always want to use the same version for all libdrm modules. That means
1125 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1126 # bar are both on use 2.4.3 for both of them
1127 dep_libdrm_amdgpu = null_dep
1128 dep_libdrm_radeon = null_dep
1129 dep_libdrm_nouveau = null_dep
1130 dep_libdrm_etnaviv = null_dep
1131 dep_libdrm_intel = null_dep
1132
1133 _drm_amdgpu_ver = '2.4.97'
1134 _drm_radeon_ver = '2.4.71'
1135 _drm_nouveau_ver = '2.4.66'
1136 _drm_etnaviv_ver = '2.4.89'
1137 _drm_intel_ver = '2.4.75'
1138 _drm_ver = '2.4.75'
1139
1140 _libdrm_checks = [
1141   ['intel', with_dri_i915 or with_gallium_i915],
1142   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1143   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1144               with_gallium_r300 or with_gallium_r600)],
1145   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1146   ['etnaviv', with_gallium_etnaviv],
1147 ]
1148
1149 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1150 # library.
1151 if with_gallium_vc4
1152   _drm_ver = '2.4.89'
1153 endif
1154
1155 # Loop over the enables versions and get the highest libdrm requirement for all
1156 # active drivers.
1157 _drm_blame = ''
1158 foreach d : _libdrm_checks
1159   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1160   if d[1] and ver.version_compare('>' + _drm_ver)
1161     _drm_ver = ver
1162     _drm_blame = d[0]
1163   endif
1164 endforeach
1165 if _drm_blame != ''
1166   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1167 endif
1168
1169 # Then get each libdrm module
1170 foreach d : _libdrm_checks
1171   if d[1]
1172     set_variable(
1173       'dep_libdrm_' + d[0],
1174       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1175     )
1176   endif
1177 endforeach
1178
1179 with_gallium_drisw_kms = false
1180 dep_libdrm = dependency(
1181   'libdrm', version : '>=' + _drm_ver,
1182   required : with_dri2 or with_dri3
1183 )
1184 if dep_libdrm.found()
1185   pre_args += '-DHAVE_LIBDRM'
1186   if with_dri_platform == 'drm' and with_dri
1187     with_gallium_drisw_kms = true
1188   endif
1189 endif
1190
1191 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1192 llvm_optional_modules = []
1193 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1194   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1195   if with_gallium_r600
1196     llvm_modules += 'asmparser'
1197   endif
1198 endif
1199 if with_gallium_opencl
1200   llvm_modules += [
1201     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1202     'lto', 'option', 'objcarcopts', 'profiledata',
1203   ]
1204   llvm_optional_modules += ['coroutines']
1205 endif
1206
1207 if with_amd_vk or with_gallium_radeonsi
1208   _llvm_version = '>= 7.0.0'
1209 elif with_gallium_swr
1210   _llvm_version = '>= 6.0.0'
1211 elif with_gallium_opencl or with_gallium_r600
1212   _llvm_version = '>= 3.9.0'
1213 else
1214   _llvm_version = '>= 3.3.0'
1215 endif
1216
1217 _shared_llvm = get_option('shared-llvm')
1218
1219 _llvm = get_option('llvm')
1220 dep_llvm = null_dep
1221 with_llvm = false
1222 if _llvm != 'false'
1223   dep_llvm = dependency(
1224     'llvm',
1225     version : _llvm_version,
1226     modules : llvm_modules,
1227     optional_modules : llvm_optional_modules,
1228     required : (
1229       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1230       with_gallium_opencl or _llvm == 'true'
1231     ),
1232     static : not _shared_llvm,
1233   )
1234   with_llvm = dep_llvm.found()
1235 endif
1236 if with_llvm
1237   _llvm_version = dep_llvm.version().split('.')
1238   pre_args += [
1239     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1240     '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version()),
1241   ]
1242
1243   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1244   # programs, so we need to build all C++ code in mesa without rtti as well to
1245   # ensure that linking works.
1246   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1247     if with_gallium_nouveau
1248       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1249     elif with_gallium_opencl
1250       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1251     endif
1252     cpp_args += '-fno-rtti'
1253   endif
1254 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1255   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1256 elif with_gallium_opencl
1257   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1258 endif
1259
1260 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1261     (with_gallium_r600 and with_llvm))
1262   dep_elf = dependency('libelf', required : false)
1263   if not dep_elf.found()
1264     dep_elf = cc.find_library('elf')
1265   endif
1266 else
1267   dep_elf = null_dep
1268 endif
1269
1270 dep_glvnd = null_dep
1271 if with_glvnd
1272   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1273   pre_args += '-DUSE_LIBGLVND=1'
1274 endif
1275
1276 if with_valgrind != 'false'
1277   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1278   if dep_valgrind.found()
1279     pre_args += '-DHAVE_VALGRIND'
1280   endif
1281 else
1282   dep_valgrind = null_dep
1283 endif
1284
1285 # pthread stubs. Lets not and say we didn't
1286
1287 prog_bison = find_program('bison', required : with_any_opengl)
1288 prog_flex = find_program('flex', required : with_any_opengl)
1289
1290 dep_selinux = null_dep
1291 if get_option('selinux')
1292   dep_selinux = dependency('libselinux')
1293   pre_args += '-DMESA_SELINUX'
1294 endif
1295
1296 if with_libunwind != 'false'
1297   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1298   if dep_unwind.found()
1299     pre_args += '-DHAVE_LIBUNWIND'
1300   endif
1301 else
1302   dep_unwind = null_dep
1303 endif
1304
1305 if with_osmesa != 'none'
1306   if with_osmesa == 'classic' and not with_dri_swrast
1307     error('OSMesa classic requires dri (classic) swrast.')
1308   endif
1309   if with_osmesa == 'gallium' and not with_gallium_softpipe
1310     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1311   endif
1312   osmesa_lib_name = 'OSMesa'
1313   osmesa_bits = get_option('osmesa-bits')
1314   if osmesa_bits != '8'
1315     if with_dri or with_glx != 'disabled'
1316       error('OSMesa bits must be 8 if building glx or dir based drivers')
1317     endif
1318     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1319     pre_args += [
1320       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1321     ]
1322   endif
1323 endif
1324
1325 # TODO: symbol mangling
1326
1327 if with_platform_wayland
1328   dep_wl_scanner = dependency('wayland-scanner', native: true)
1329   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1330   if dep_wl_scanner.version().version_compare('>= 1.15')
1331     wl_scanner_arg = 'private-code'
1332   else
1333     wl_scanner_arg = 'code'
1334   endif
1335   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1336   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1337   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1338   if with_egl
1339     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1340     dep_wayland_egl_headers = declare_dependency(
1341       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1342   endif
1343   wayland_dmabuf_xml = join_paths(
1344     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1345     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1346   )
1347   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1348 endif
1349
1350 dep_x11 = null_dep
1351 dep_xext = null_dep
1352 dep_xdamage = null_dep
1353 dep_xfixes = null_dep
1354 dep_x11_xcb = null_dep
1355 dep_xcb = null_dep
1356 dep_xcb_glx = null_dep
1357 dep_xcb_dri2 = null_dep
1358 dep_xcb_dri3 = null_dep
1359 dep_dri2proto = null_dep
1360 dep_glproto = null_dep
1361 dep_xxf86vm = null_dep
1362 dep_xcb_dri3 = null_dep
1363 dep_xcb_present = null_dep
1364 dep_xcb_sync = null_dep
1365 dep_xcb_xfixes = null_dep
1366 dep_xshmfence = null_dep
1367 dep_xcb_xrandr = null_dep
1368 dep_xlib_xrandr = null_dep
1369 if with_platform_x11
1370   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1371     dep_x11 = dependency('x11')
1372     dep_xext = dependency('xext')
1373     dep_xcb = dependency('xcb')
1374   elif with_glx == 'dri'
1375     dep_x11 = dependency('x11')
1376     dep_xext = dependency('xext')
1377     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1378     dep_xfixes = dependency('xfixes')
1379     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1380   endif
1381   if (with_any_vk or with_glx == 'dri' or with_egl or
1382        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1383         with_gallium_omx != 'disabled'))
1384     dep_xcb = dependency('xcb')
1385     dep_x11_xcb = dependency('x11-xcb')
1386   endif
1387   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1388     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1389
1390     if with_dri3
1391       pre_args += '-DHAVE_DRI3'
1392       dep_xcb_dri3 = dependency('xcb-dri3')
1393       dep_xcb_present = dependency('xcb-present')
1394       # until xcb-dri3 has been around long enough to make a hard-dependency:
1395       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1396           dep_xcb_present.version().version_compare('>= 1.13'))
1397         pre_args += '-DHAVE_DRI3_MODIFIERS'
1398       endif
1399       dep_xcb_sync = dependency('xcb-sync')
1400       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1401     endif
1402   endif
1403   if with_glx == 'dri'
1404     if with_dri_platform == 'drm'
1405       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1406       dep_xxf86vm = dependency('xxf86vm')
1407     endif
1408     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1409   endif
1410   if (with_egl or (
1411       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1412       with_gallium_omx != 'disabled'))
1413     dep_xcb_xfixes = dependency('xcb-xfixes')
1414   endif
1415   if with_xlib_lease
1416     dep_xcb_xrandr = dependency('xcb-randr')
1417     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1418   endif
1419 endif
1420
1421 if get_option('gallium-extra-hud')
1422   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1423 endif
1424
1425 _sensors = get_option('lmsensors')
1426 if _sensors != 'false'
1427   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1428   if dep_lmsensors.found()
1429     pre_args += '-DHAVE_LIBSENSORS=1'
1430   endif
1431 else
1432   dep_lmsensors = null_dep
1433 endif
1434
1435 foreach a : pre_args
1436   add_project_arguments(a, language : ['c', 'cpp'])
1437 endforeach
1438 foreach a : c_args
1439   add_project_arguments(a, language : ['c'])
1440 endforeach
1441 foreach a : cpp_args
1442   add_project_arguments(a, language : ['cpp'])
1443 endforeach
1444
1445 gl_priv_reqs = []
1446
1447 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1448   gl_priv_reqs += ['x11', 'xext', 'xcb']
1449 elif with_glx == 'dri'
1450   gl_priv_reqs += [
1451     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1452     'xcb-glx >= 1.8.1']
1453   if with_dri_platform == 'drm'
1454     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1455     gl_priv_reqs += 'xxf86vm'
1456   endif
1457 endif
1458 if dep_libdrm.found()
1459   gl_priv_reqs += 'libdrm >= 2.4.75'
1460 endif
1461
1462 gl_priv_libs = []
1463 if dep_thread.found()
1464   gl_priv_libs += ['-lpthread', '-pthread']
1465 endif
1466 if dep_m.found()
1467   gl_priv_libs += '-lm'
1468 endif
1469 if dep_dl.found()
1470   gl_priv_libs += '-ldl'
1471 endif
1472
1473 pkg = import('pkgconfig')
1474
1475 env_test = environment()
1476 env_test.set('NM', find_program('nm').path())
1477
1478 # This quirk needs to be applied to sources with functions defined in assembly
1479 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1480 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1481
1482 subdir('include')
1483 subdir('bin')
1484 subdir('src')
1485
1486 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1487 # formatting below unless the first argument is passed as a variable. This has
1488 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1489 # for backwards compatibility.
1490 _with_opengl_string = with_opengl ? 'yes' : 'no'
1491
1492 lines = ['',
1493   'prefix:          ' + get_option('prefix'),
1494   'libdir:          ' + get_option('libdir'),
1495   'includedir:      ' + get_option('includedir'),
1496   '',
1497   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1498                                                     with_gles1 ? 'yes' : 'no',
1499                                                     with_gles2 ? 'yes' : 'no'),
1500 ]
1501
1502 lines += ''
1503 if with_osmesa != 'none'
1504   suffix = ''
1505   if with_osmesa == 'gallium'
1506     suffix = '(Gallium)'
1507   endif
1508   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1509 else
1510   lines += 'OSMesa:          no'
1511 endif
1512
1513 lines += ''
1514 if with_dri
1515   lines += 'DRI platform:    ' + with_dri_platform
1516   if dri_drivers.length() != 0 and dri_drivers != ['']
1517     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1518   else
1519     lines += 'DRI drivers:     no'
1520   endif
1521   lines += 'DRI driver dir:  ' + dri_drivers_path
1522 endif
1523
1524 lines += ''
1525 if with_glx != 'disabled'
1526   if with_glx == 'dri'
1527     lines += 'GLX:             DRI-based'
1528   elif with_glx == 'xlib'
1529     lines += 'GLX:             Xlib-based'
1530   elif with_glx == 'gallium-xlib'
1531     lines += 'GLX:             Xlib-based (Gallium)'
1532   else
1533     lines += 'GLX:             ' + with_glx
1534   endif
1535 endif
1536
1537 lines += ''
1538 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1539 if with_egl
1540   egl_drivers = []
1541   if with_dri
1542     egl_drivers += 'builtin:egl_dri2'
1543   endif
1544   if with_dri3
1545     egl_drivers += 'builtin:egl_dri3'
1546   endif
1547   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1548 endif
1549 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1550 if with_platforms
1551   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1552 endif
1553
1554 lines += ''
1555 if with_any_vk
1556   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1557   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1558 else
1559   lines += 'Vulkan drivers:  no'
1560 endif
1561
1562 lines += ''
1563 if with_llvm
1564   lines += 'llvm:            yes'
1565   lines += 'llvm-version:    ' + dep_llvm.version()
1566 else
1567   lines += 'llvm:            no'
1568 endif
1569
1570 lines += ''
1571 if with_gallium
1572   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1573   gallium_st = ['mesa']
1574   if with_gallium_xa
1575     gallium_st += 'xa'
1576   endif
1577   if with_gallium_xvmc
1578     gallium_st += 'xvmc'
1579   endif
1580   if with_gallium_xvmc
1581     gallium_st += 'xvmc'
1582   endif
1583   if with_gallium_vdpau
1584     gallium_st += 'vdpau'
1585   endif
1586   if with_gallium_omx != 'disabled'
1587     gallium_st += 'omx' + with_gallium_omx
1588   endif
1589   if with_gallium_va
1590     gallium_st += 'va'
1591   endif
1592   if with_gallium_st_nine
1593     gallium_st += 'nine'
1594   endif
1595   if with_gallium_opencl
1596     gallium_st += 'clover'
1597   endif
1598   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1599 else
1600   lines += 'Gallium:         no'
1601 endif
1602
1603 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1604
1605 lines += ''
1606 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1607
1608
1609 indent = '        '
1610 summary = indent + ('\n' + indent).join(lines)
1611 message('Configuration summary:\n@0@\n'.format(summary))