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('libdir'), 'dri')
  65 endif
  66 dri_search_path = get_option('dri-search-path')
  67 if dri_search_path == ''
  68   dri_search_path = join_paths(get_option('prefix'), 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 _drivers = get_option('dri-drivers')
  95 if _drivers.contains('auto')
  96   if system_has_kms_drm
  97     # TODO: PPC, Sparc
  98     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  99       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 100     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 101       _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     _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 = _drivers.contains('i915')
 116 with_dri_i965 = _drivers.contains('i965')
 117 with_dri_r100 = _drivers.contains('r100')
 118 with_dri_r200 = _drivers.contains('r200')
 119 with_dri_nouveau = _drivers.contains('nouveau')
 120 with_dri_swrast = _drivers.contains('swrast')
 121
 122 with_dri = _drivers.length() != 0 and _drivers != ['']
 123
 124 _drivers = get_option('gallium-drivers')
 125 if _drivers.contains('auto')
 126   if system_has_kms_drm
 127     # TODO: PPC, Sparc
 128     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 129       _drivers = [
 130         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 131       ]
 132     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 133       _drivers = [
 134         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 135         'tegra', 'virgl', '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     _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 = _drivers.contains('kmsro')
 149 with_gallium_radeonsi = _drivers.contains('radeonsi')
 150 with_gallium_r300 = _drivers.contains('r300')
 151 with_gallium_r600 = _drivers.contains('r600')
 152 with_gallium_nouveau = _drivers.contains('nouveau')
 153 with_gallium_freedreno = _drivers.contains('freedreno')
 154 with_gallium_softpipe = _drivers.contains('swrast')
 155 with_gallium_vc4 = _drivers.contains('vc4')
 156 with_gallium_v3d = _drivers.contains('v3d')
 157 with_gallium_panfrost = _drivers.contains('panfrost')
 158 with_gallium_etnaviv = _drivers.contains('etnaviv')
 159 with_gallium_tegra = _drivers.contains('tegra')
 160 with_gallium_i915 = _drivers.contains('i915')
 161 with_gallium_svga = _drivers.contains('svga')
 162 with_gallium_virgl = _drivers.contains('virgl')
 163 with_gallium_swr = _drivers.contains('swr')
 164
 165 if cc.get_id() == 'intel'
 166   if meson.version().version_compare('< 0.49.0')
 167     error('Meson does not have sufficient support of ICC before 0.49.0 to compile mesa')
 168   elif with_gallium_swr and meson.version().version_compare('== 0.49.0')
 169     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')
 170   endif
 171 endif
 172
 173 with_gallium = _drivers.length() != 0 and _drivers != ['']
 174
 175 if with_gallium and system_has_kms_drm
 176   _glx = get_option('glx')
 177   _egl = get_option('egl')
 178   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 179     with_dri = true
 180   endif
 181 endif
 182
 183 _vulkan_drivers = get_option('vulkan-drivers')
 184 if _vulkan_drivers.contains('auto')
 185   if system_has_kms_drm
 186     if host_machine.cpu_family().startswith('x86')
 187       _vulkan_drivers = ['amd', 'intel']
 188     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 189       _vulkan_drivers = []
 190     else
 191       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 192             host_machine.cpu_family()))
 193     endif
 194   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 195     # No vulkan driver supports windows or macOS currently
 196     _vulkan_drivers = []
 197   else
 198     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 199           host_machine.system()))
 200   endif
 201 endif
 202
 203 with_intel_vk = _vulkan_drivers.contains('intel')
 204 with_amd_vk = _vulkan_drivers.contains('amd')
 205 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 206
 207 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 208   error('Only one swrast provider can be built')
 209 endif
 210 if with_dri_i915 and with_gallium_i915
 211   error('Only one i915 provider can be built')
 212 endif
 213 if with_gallium_kmsro and not (with_gallium_vc4 or with_gallium_etnaviv or with_gallium_freedreno or with_gallium_panfrost)
 214   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost)')
 215 endif
 216 if with_gallium_tegra and not with_gallium_nouveau
 217   error('tegra driver requires nouveau driver')
 218 endif
 219
 220 if host_machine.system() == 'darwin'
 221   with_dri_platform = 'apple'
 222 elif ['windows', 'cygwin'].contains(host_machine.system())
 223   with_dri_platform = 'windows'
 224 elif system_has_kms_drm
 225   with_dri_platform = 'drm'
 226 else
 227   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 228   # assert here that one of those cases has been met.
 229   # FIXME: illumos ends up here as well
 230   with_dri_platform = 'none'
 231 endif
 232
 233 _platforms = get_option('platforms')
 234 if _platforms.contains('auto')
 235   if system_has_kms_drm
 236     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 237   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 238     _platforms = ['x11', 'surfaceless']
 239   elif ['haiku'].contains(host_machine.system())
 240     _platforms = ['haiku']
 241   else
 242     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 243           host_machine.system()))
 244   endif
 245 endif
 246
 247 with_platform_android = _platforms.contains('android')
 248 with_platform_x11 = _platforms.contains('x11')
 249 with_platform_wayland = _platforms.contains('wayland')
 250 with_platform_drm = _platforms.contains('drm')
 251 with_platform_haiku = _platforms.contains('haiku')
 252 with_platform_surfaceless = _platforms.contains('surfaceless')
 253
 254 with_platforms = false
 255 if _platforms.length() != 0 and _platforms != ['']
 256   with_platforms = true
 257   egl_native_platform = _platforms[0]
 258 endif
 259
 260 _xlib_lease = get_option('xlib-lease')
 261 if _xlib_lease == 'auto'
 262   with_xlib_lease = with_platform_x11 and with_platform_drm
 263 else
 264   with_xlib_lease = _xlib_lease == 'true'
 265 endif
 266
 267 with_glx = get_option('glx')
 268 if with_glx == 'auto'
 269   if with_dri
 270     with_glx = 'dri'
 271   elif with_platform_haiku
 272     with_glx = 'disabled'
 273   elif with_gallium
 274     # Even when building just gallium drivers the user probably wants dri
 275     with_glx = 'dri'
 276   elif with_platform_x11 and with_any_opengl and not with_any_vk
 277     # The automatic behavior should not be to turn on xlib based glx when
 278     # building only vulkan drivers
 279     with_glx = 'xlib'
 280   else
 281     with_glx = 'disabled'
 282   endif
 283 endif
 284 if with_glx == 'dri'
 285    if with_gallium
 286       with_dri = true
 287    endif
 288 endif
 289
 290 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 291   with_gles1 = false
 292   with_gles2 = false
 293   with_opengl = false
 294   with_any_opengl = false
 295   with_shared_glapi = false
 296 endif
 297
 298 _gbm = get_option('gbm')
 299 if _gbm == 'auto'
 300   with_gbm = system_has_kms_drm and with_dri
 301 else
 302   with_gbm = _gbm == 'true'
 303 endif
 304 if with_gbm and not system_has_kms_drm
 305   error('GBM only supports DRM/KMS platforms')
 306 endif
 307
 308 _egl = get_option('egl')
 309 if _egl == 'auto'
 310   with_egl = (
 311     not ['darwin', 'windows'].contains(host_machine.system()) and
 312     with_dri and with_shared_glapi and with_platforms
 313   )
 314 elif _egl == 'true'
 315   if not with_dri
 316     error('EGL requires dri')
 317   elif not with_shared_glapi
 318     error('EGL requires shared-glapi')
 319   elif not with_platforms
 320     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 321   elif not ['disabled', 'dri'].contains(with_glx)
 322     error('EGL requires dri, but a GLX is being built without dri')
 323   elif ['darwin', 'windows'].contains(host_machine.system())
 324     error('EGL is not available on Windows or MacOS')
 325   endif
 326   with_egl = true
 327 else
 328   with_egl = false
 329 endif
 330
 331 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 332   if with_gallium_radeonsi
 333     error('RadeonSI requires drm or surfaceless platform when using EGL')
 334   endif
 335   if with_gallium_virgl
 336     error('Virgl requires drm or surfaceless platform when using EGL')
 337   endif
 338 endif
 339
 340 pre_args += '-DGLX_USE_TLS'
 341 if with_glx != 'disabled'
 342   if not (with_platform_x11 and with_any_opengl)
 343     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 344   elif with_glx == 'gallium-xlib'
 345     if not with_gallium
 346       error('Gallium-xlib based GLX requires at least one gallium driver')
 347     elif not with_gallium_softpipe
 348       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 349     elif with_dri
 350       error('gallium-xlib conflicts with any dri driver')
 351     endif
 352   elif with_glx == 'xlib'
 353     if with_dri
 354       error('xlib conflicts with any dri driver')
 355     endif
 356   elif with_glx == 'dri'
 357     if not with_dri
 358       error('dri based GLX requires at least one DRI driver')
 359     elif not with_shared_glapi
 360       error('dri based GLX requires shared-glapi')
 361     endif
 362   endif
 363 endif
 364
 365 with_glvnd = get_option('glvnd')
 366 if with_glvnd
 367   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 368     error('Cannot build glvnd support for GLX that is not DRI based.')
 369   elif with_glx == 'disabled' and not with_egl
 370     error('glvnd requires DRI based GLX and/or EGL')
 371   endif
 372 endif
 373
 374 if with_vulkan_icd_dir == ''
 375   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 376 endif
 377
 378 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 379 _dri3 = get_option('dri3')
 380 if _dri3 == 'auto'
 381   with_dri3 = system_has_kms_drm and with_dri2
 382 else
 383   with_dri3 = _dri3 == 'true'
 384 endif
 385
 386 if with_any_vk and (with_platform_x11 and not with_dri3)
 387   error('Vulkan drivers require dri3 for X11 support')
 388 endif
 389 if with_dri
 390   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 391     error('building dri drivers require at least one windowing system or classic osmesa')
 392   endif
 393 endif
 394
 395 prog_pkgconfig = find_program('pkg-config')
 396
 397 _vdpau = get_option('gallium-vdpau')
 398 if not system_has_kms_drm
 399   if _vdpau == 'true'
 400     error('VDPAU state tracker can only be build on unix-like OSes.')
 401   else
 402     _vdpau = 'false'
 403   endif
 404 elif not with_platform_x11
 405   if _vdpau == 'true'
 406     error('VDPAU state tracker requires X11 support.')
 407   else
 408     _vdpau = 'false'
 409   endif
 410 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 411           with_gallium_nouveau)
 412   if _vdpau == 'true'
 413     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 414   else
 415     _vdpau = 'false'
 416   endif
 417 endif
 418 dep_vdpau = null_dep
 419 with_gallium_vdpau = false
 420 if _vdpau != 'false'
 421   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 422   if dep_vdpau.found()
 423     dep_vdpau = declare_dependency(
 424       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 425     )
 426     with_gallium_vdpau = true
 427   endif
 428 endif
 429
 430 if with_gallium_vdpau
 431   pre_args += '-DHAVE_ST_VDPAU'
 432 endif
 433 vdpau_drivers_path = get_option('vdpau-libs-path')
 434 if vdpau_drivers_path == ''
 435   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 436 endif
 437
 438 _xvmc = get_option('gallium-xvmc')
 439 if not system_has_kms_drm
 440   if _xvmc == 'true'
 441     error('XVMC state tracker can only be build on unix-like OSes.')
 442   else
 443     _xvmc = 'false'
 444   endif
 445 elif not with_platform_x11
 446   if _xvmc == 'true'
 447     error('XVMC state tracker requires X11 support.')
 448   else
 449     _xvmc = 'false'
 450   endif
 451 elif not (with_gallium_r600 or with_gallium_nouveau)
 452   if _xvmc == 'true'
 453     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 454   else
 455     _xvmc = 'false'
 456   endif
 457 endif
 458 dep_xvmc = null_dep
 459 with_gallium_xvmc = false
 460 if _xvmc != 'false'
 461   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 462   with_gallium_xvmc = dep_xvmc.found()
 463 endif
 464
 465 xvmc_drivers_path = get_option('xvmc-libs-path')
 466 if xvmc_drivers_path == ''
 467   xvmc_drivers_path = get_option('libdir')
 468 endif
 469
 470 _omx = get_option('gallium-omx')
 471 if not system_has_kms_drm
 472   if ['auto', 'disabled'].contains(_omx)
 473     _omx = 'disabled'
 474   else
 475     error('OMX state tracker can only be built on unix-like OSes.')
 476   endif
 477 elif not (with_platform_x11 or with_platform_drm)
 478   if ['auto', 'disabled'].contains(_omx)
 479     _omx = 'disabled'
 480   else
 481     error('OMX state tracker requires X11 or drm platform support.')
 482   endif
 483 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 484   if ['auto', 'disabled'].contains(_omx)
 485     _omx = 'disabled'
 486   else
 487     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 488   endif
 489 endif
 490 with_gallium_omx = _omx
 491 dep_omx = null_dep
 492 dep_omx_other = []
 493 if ['auto', 'bellagio'].contains(_omx)
 494   dep_omx = dependency(
 495     'libomxil-bellagio', required : _omx == 'bellagio'
 496   )
 497   if dep_omx.found()
 498     with_gallium_omx = 'bellagio'
 499   endif
 500 endif
 501 if ['auto', 'tizonia'].contains(_omx)
 502   if with_dri and with_egl
 503     dep_omx = dependency(
 504       'libtizonia', version : '>= 0.10.0',
 505       required : _omx == 'tizonia',
 506     )
 507     dep_omx_other = [
 508       dependency('libtizplatform', required : _omx == 'tizonia'),
 509       dependency('tizilheaders', required : _omx == 'tizonia'),
 510     ]
 511     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 512       with_gallium_omx = 'tizonia'
 513     endif
 514   elif _omx == 'tizonia'
 515     error('OMX-Tizonia state tracker requires dri and egl')
 516   endif
 517 endif
 518 if _omx == 'auto'
 519   with_gallium_omx = 'disabled'
 520 else
 521   with_gallium_omx = _omx
 522 endif
 523
 524 pre_args += [
 525   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 526   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 527 ]
 528
 529
 530 omx_drivers_path = get_option('omx-libs-path')
 531
 532 if with_gallium_omx != 'disabled'
 533   # Figure out where to put the omx driver.
 534   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 535   # argument to meson's get_pkgconfig_variable method.
 536   if omx_drivers_path == ''
 537     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 538     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 539     if _omx_libdir == get_option('libdir')
 540       omx_drivers_path = _omx_drivers_dir
 541     else
 542       _omx_base_dir = []
 543       # This will fail on windows. Does OMX run on windows?
 544       _omx_libdir = _omx_libdir.split('/')
 545       _omx_drivers_dir = _omx_drivers_dir.split('/')
 546       foreach o : _omx_drivers_dir
 547         if not _omx_libdir.contains(o)
 548           _omx_base_dir += o
 549         endif
 550       endforeach
 551       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 552     endif
 553   endif
 554 endif
 555
 556 _va = get_option('gallium-va')
 557 if not system_has_kms_drm
 558   if _va == 'true'
 559     error('VA state tracker can only be built on unix-like OSes.')
 560   else
 561     _va = 'false'
 562   endif
 563 elif not (with_platform_x11 or with_platform_drm)
 564   if _va == 'true'
 565     error('VA state tracker requires X11 or drm or wayland platform support.')
 566   else
 567     _va = 'false'
 568   endif
 569 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 570   if _va == 'true'
 571     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 572   else
 573     _va = 'false'
 574   endif
 575 endif
 576 with_gallium_va = false
 577 dep_va = null_dep
 578 if _va != 'false'
 579   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 580   if dep_va.found()
 581     dep_va_headers = declare_dependency(
 582       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 583     )
 584     with_gallium_va = true
 585   endif
 586 endif
 587
 588 va_drivers_path = get_option('va-libs-path')
 589 if va_drivers_path == ''
 590   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 591 endif
 592
 593 _xa = get_option('gallium-xa')
 594 if not system_has_kms_drm
 595   if _xa == 'true'
 596     error('XA state tracker can only be built on unix-like OSes.')
 597   else
 598     _xa = 'false'
 599   endif
 600 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 601           or with_gallium_svga)
 602   if _xa == 'true'
 603     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 604   else
 605     _xa = 'false'
 606   endif
 607 endif
 608 with_gallium_xa = _xa != 'false'
 609
 610 d3d_drivers_path = get_option('d3d-drivers-path')
 611 if d3d_drivers_path == ''
 612   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 613 endif
 614
 615 with_gallium_st_nine =  get_option('gallium-nine')
 616 if with_gallium_st_nine
 617   if not with_gallium_softpipe
 618     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 619   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 620             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 621     error('The nine state tracker requires at least one non-swrast gallium driver.')
 622   endif
 623   if not with_dri3
 624     error('Using nine with wine requires dri3')
 625   endif
 626 endif
 627
 628 if get_option('power8') != 'false'
 629   # on old versions of meson the cpu family would return as ppc64le on little
 630   # endian power8, this was changed in 0.48 such that the family would always
 631   # be ppc64 regardless of endianness, and the the machine.endian() value
 632   # should be checked. Since we support versions < 0.48 we need to use
 633   # startswith.
 634   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 635     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 636       error('Altivec is not supported with gcc version < 4.8.')
 637     endif
 638     if cc.compiles('''
 639         #include <altivec.h>
 640         int main() {
 641           vector unsigned char r;
 642           vector unsigned int v = vec_splat_u32 (1);
 643           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 644           return 0;
 645         }''',
 646         args : '-mpower8-vector',
 647         name : 'POWER8 intrinsics')
 648       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 649     elif get_option('power8') == 'true'
 650       error('POWER8 intrinsic support required but not found.')
 651     endif
 652   endif
 653 endif
 654
 655 _opencl = get_option('gallium-opencl')
 656 clover_cpp_std = []
 657 if _opencl != 'disabled'
 658   if not with_gallium
 659     error('OpenCL Clover implementation requires at least one gallium driver.')
 660   endif
 661
 662   dep_clc = dependency('libclc')
 663   with_gallium_opencl = true
 664   with_opencl_icd = _opencl == 'icd'
 665
 666   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 667       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 668       #error "AltiVec not enabled"
 669       #endif''',
 670       name : 'Altivec')
 671     clover_cpp_std += ['cpp_std=gnu++11']
 672   endif
 673 else
 674   dep_clc = null_dep
 675   with_gallium_opencl = false
 676   with_opencl_icd = false
 677 endif
 678
 679 gl_pkgconfig_c_flags = []
 680 if with_platform_x11
 681   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 682     pre_args += '-DHAVE_X11_PLATFORM'
 683   endif
 684   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 685     pre_args += '-DUSE_XSHM'
 686   else
 687     pre_args += '-DGLX_INDIRECT_RENDERING'
 688     if with_glx_direct
 689       pre_args += '-DGLX_DIRECT_RENDERING'
 690     endif
 691     if with_dri_platform == 'drm'
 692       pre_args += '-DGLX_USE_DRM'
 693     elif with_dri_platform == 'apple'
 694       pre_args += '-DGLX_USE_APPLEGL'
 695     elif with_dri_platform == 'windows'
 696       pre_args += '-DGLX_USE_WINDOWSGL'
 697     endif
 698   endif
 699 else
 700   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 701   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 702 endif
 703 if with_platform_drm
 704   if with_egl and not with_gbm
 705     error('EGL drm platform requires gbm')
 706   endif
 707   pre_args += '-DHAVE_DRM_PLATFORM'
 708 endif
 709 if with_platform_surfaceless
 710   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 711 endif
 712 if with_platform_android
 713   dep_android = [
 714     dependency('cutils'),
 715     dependency('hardware'),
 716     dependency('sync'),
 717   ]
 718   pre_args += '-DHAVE_ANDROID_PLATFORM'
 719 endif
 720 if with_platform_haiku
 721   pre_args += '-DHAVE_HAIKU_PLATFORM'
 722 endif
 723
 724 prog_python = import('python3').find_python()
 725 has_mako = run_command(
 726   prog_python, '-c',
 727   '''
 728 from distutils.version import StrictVersion
 729 import mako
 730 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 731   ''')
 732 if has_mako.returncode() != 0
 733   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 734 endif
 735
 736 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 737   error('When using GCC, version 4.4.6 or later is required.')
 738 endif
 739
 740 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 741 if get_option('buildtype') == 'debug'
 742   pre_args += '-DDEBUG'
 743 endif
 744
 745 if get_option('shader-cache')
 746   pre_args += '-DENABLE_SHADER_CACHE'
 747 elif with_amd_vk
 748   error('Radv requires shader cache support')
 749 endif
 750
 751 # Check for GCC style builtins
 752 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 753              'ffsll', 'popcount', 'popcountll', 'unreachable']
 754   if cc.has_function(b)
 755     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 756   endif
 757 endforeach
 758
 759 # check for GCC __attribute__
 760 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 761              'warn_unused_result', 'weak',]
 762   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 763                  name : '__attribute__((@0@))'.format(a))
 764     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 765   endif
 766 endforeach
 767 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 768                name : '__attribute__((format(...)))')
 769   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 770 endif
 771 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 772                name : '__attribute__((packed))')
 773   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 774 endif
 775 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 776                name : '__attribute__((returns_nonnull))')
 777   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 778 endif
 779 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 780                   int foo_hid(void) __attribute__((visibility("hidden")));
 781                   int foo_int(void) __attribute__((visibility("internal")));
 782                   int foo_pro(void) __attribute__((visibility("protected")));''',
 783                name : '__attribute__((visibility(...)))')
 784   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 785 endif
 786 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 787                name : '__attribute__((alias(...)))')
 788   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 789 endif
 790 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 791                name : '__attribute__((__noreturn__))')
 792   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 793 endif
 794
 795 # TODO: this is very incomplete
 796 if ['linux', 'cygwin', 'gnu'].contains(host_machine.system())
 797   pre_args += '-D_GNU_SOURCE'
 798 endif
 799
 800 # Check for generic C arguments
 801 c_args = []
 802 foreach a : ['-Werror=implicit-function-declaration',
 803              '-Werror=missing-prototypes', '-Werror=return-type',
 804              '-fno-math-errno',
 805              '-fno-trapping-math', '-Qunused-arguments']
 806   if cc.has_argument(a)
 807     c_args += a
 808   endif
 809 endforeach
 810
 811 foreach a : ['missing-field-initializers', 'format-truncation']
 812   if cc.has_argument('-W' + a)
 813     c_args += '-Wno-' + a
 814   endif
 815 endforeach
 816
 817 c_vis_args = []
 818 if cc.has_argument('-fvisibility=hidden')
 819   c_vis_args += '-fvisibility=hidden'
 820 endif
 821
 822 # Check for generic C++ arguments
 823 cpp_args = []
 824 foreach a : ['-Werror=return-type',
 825              '-fno-math-errno', '-fno-trapping-math',
 826              '-Qunused-arguments']
 827   if cpp.has_argument(a)
 828     cpp_args += a
 829   endif
 830 endforeach
 831
 832 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 833 # option is not supported. Hence, check for -Wfoo instead.
 834
 835 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
 836   if cpp.has_argument('-W' + a)
 837     cpp_args += '-Wno-' + a
 838   endif
 839 endforeach
 840
 841 no_override_init_args = []
 842 foreach a : ['override-init', 'initializer-overrides']
 843   if cc.has_argument('-W' + a)
 844     no_override_init_args += '-Wno-' + a
 845   endif
 846 endforeach
 847
 848 cpp_vis_args = []
 849 if cpp.has_argument('-fvisibility=hidden')
 850   cpp_vis_args += '-fvisibility=hidden'
 851 endif
 852
 853 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 854 # in parts of the mesa code base that need to compile with old versions of
 855 # MSVC, mainly common code
 856 c_msvc_compat_args = []
 857 cpp_msvc_compat_args = []
 858 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 859   if cc.has_argument(a)
 860     c_msvc_compat_args += a
 861   endif
 862   if cpp.has_argument(a)
 863     cpp_msvc_compat_args += a
 864   endif
 865 endforeach
 866
 867 if host_machine.cpu_family().startswith('x86')
 868   pre_args += '-DUSE_SSE41'
 869   with_sse41 = true
 870   sse41_args = ['-msse4.1']
 871
 872   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 873   # that's not guaranteed
 874   if host_machine.cpu_family() == 'x86'
 875     sse41_args += '-mstackrealign'
 876   endif
 877 else
 878   with_sse41 = false
 879   sse41_args = []
 880 endif
 881
 882 # Check for GCC style atomics
 883 dep_atomic = null_dep
 884
 885 if cc.compiles('''#include <stdint.h>
 886                   int main() {
 887                     struct {
 888                       uint64_t *v;
 889                     } x;
 890                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 891                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 892
 893                   }''',
 894                name : 'GCC atomic builtins')
 895   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 896
 897   # Not all atomic calls can be turned into lock-free instructions, in which
 898   # GCC will make calls into the libatomic library. Check whether we need to
 899   # link with -latomic.
 900   #
 901   # This can happen for 64-bit atomic operations on 32-bit architectures such
 902   # as ARM.
 903   if not cc.links('''#include <stdint.h>
 904                      int main() {
 905                        struct {
 906                          uint64_t *v;
 907                        } x;
 908                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 909                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 910                      }''',
 911                   name : 'GCC atomic builtins required -latomic')
 912     dep_atomic = cc.find_library('atomic')
 913   endif
 914 endif
 915 if not cc.links('''#include <stdint.h>
 916                    uint64_t v;
 917                    int main() {
 918                      return __sync_add_and_fetch(&v, (uint64_t)1);
 919                    }''',
 920                 dependencies : dep_atomic,
 921                 name : 'GCC 64bit atomics')
 922   pre_args += '-DMISSING_64BIT_ATOMICS'
 923 endif
 924
 925 # TODO: shared/static? Is this even worth doing?
 926
 927 # When cross compiling we generally need to turn off the use of assembly,
 928 # because mesa's assembly relies on building an executable for the host system,
 929 # and running it to get information about struct sizes. There is at least one
 930 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 931 # host OS == build OS, since in that case the build machine can run the host's
 932 # binaries.
 933 if with_asm and meson.is_cross_build()
 934   if build_machine.system() != host_machine.system()
 935     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 936     message('Cross compiling from one OS to another, disabling assembly.')
 937     with_asm = false
 938   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 939     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 940     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 941     # case.
 942     # TODO: There may be other cases where the 64 bit version of the
 943     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 944     message('''
 945       Cross compiling to different architectures, and the host cannot run
 946       the build machine's binaries. Disabling assembly.
 947     ''')
 948     with_asm = false
 949   endif
 950 endif
 951
 952 with_asm_arch = ''
 953 if with_asm
 954   if host_machine.cpu_family() == 'x86'
 955     if system_has_kms_drm or host_machine.system() == 'gnu'
 956       with_asm_arch = 'x86'
 957       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 958                    '-DUSE_SSE_ASM']
 959
 960       if with_glx_read_only_text
 961          pre_args += ['-DGLX_X86_READONLY_TEXT']
 962       endif
 963     endif
 964   elif host_machine.cpu_family() == 'x86_64'
 965     if system_has_kms_drm
 966       with_asm_arch = 'x86_64'
 967       pre_args += ['-DUSE_X86_64_ASM']
 968     endif
 969   elif host_machine.cpu_family() == 'arm'
 970     if system_has_kms_drm
 971       with_asm_arch = 'arm'
 972       pre_args += ['-DUSE_ARM_ASM']
 973     endif
 974   elif host_machine.cpu_family() == 'aarch64'
 975     if system_has_kms_drm
 976       with_asm_arch = 'aarch64'
 977       pre_args += ['-DUSE_AARCH64_ASM']
 978     endif
 979   elif host_machine.cpu_family() == 'sparc64'
 980     if system_has_kms_drm
 981       with_asm_arch = 'sparc'
 982       pre_args += ['-DUSE_SPARC_ASM']
 983     endif
 984   elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 985     if system_has_kms_drm
 986       with_asm_arch = 'ppc64le'
 987       pre_args += ['-DUSE_PPC64LE_ASM']
 988     endif
 989   endif
 990 endif
 991
 992 # Check for standard headers and functions
 993 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 994   pre_args += '-DMAJOR_IN_SYSMACROS'
 995 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 996   pre_args += '-DMAJOR_IN_MKDEV'
 997 endif
 998
 999 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
1000   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1001     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1002   endif
1003 endforeach
1004
1005 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
1006   if cc.has_function(f)
1007     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1008   endif
1009 endforeach
1010
1011 # strtod locale support
1012 if cc.links('''
1013     #define _GNU_SOURCE
1014     #include <stdlib.h>
1015     #include <locale.h>
1016     #ifdef HAVE_XLOCALE_H
1017     #include <xlocale.h>
1018     #endif
1019     int main() {
1020       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1021       const char *s = "1.0";
1022       char *end;
1023       double d = strtod_l(s, end, loc);
1024       float f = strtof_l(s, end, loc);
1025       freelocale(loc);
1026       return 0;
1027     }''',
1028     args : pre_args,
1029     name : 'strtod has locale support')
1030   pre_args += '-DHAVE_STRTOD_L'
1031 endif
1032
1033 # Check for some linker flags
1034 ld_args_bsymbolic = []
1035 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1036   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1037 endif
1038 ld_args_gc_sections = []
1039 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1040             args : '-Wl,--gc-sections', name : 'gc-sections')
1041   ld_args_gc_sections += '-Wl,--gc-sections'
1042 endif
1043 with_ld_version_script = false
1044 if cc.links('int main() { return 0; }',
1045             args : '-Wl,--version-script=@0@'.format(
1046               join_paths(meson.source_root(), 'build-support/conftest.map')),
1047             name : 'version-script')
1048   with_ld_version_script = true
1049 endif
1050 with_ld_dynamic_list = false
1051 if cc.links('int main() { return 0; }',
1052             args : '-Wl,--dynamic-list=@0@'.format(
1053               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1054             name : 'dynamic-list')
1055   with_ld_dynamic_list = true
1056 endif
1057 ld_args_build_id = []
1058 if build_machine.system() != 'darwin'
1059    ld_args_build_id += '-Wl,--build-id=sha1'
1060 endif
1061
1062 # check for dl support
1063 if cc.has_function('dlopen')
1064   dep_dl = null_dep
1065 else
1066   dep_dl = cc.find_library('dl')
1067 endif
1068 if cc.has_function('dladdr', dependencies : dep_dl)
1069   # This is really only required for megadrivers
1070   pre_args += '-DHAVE_DLADDR'
1071 endif
1072
1073 if cc.has_function('dl_iterate_phdr')
1074   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1075 elif with_intel_vk
1076   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1077 elif with_dri_i965 and get_option('shader-cache')
1078   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1079 endif
1080
1081 # Determine whether or not the rt library is needed for time functions
1082 if cc.has_function('clock_gettime')
1083   dep_clock = null_dep
1084 else
1085   dep_clock = cc.find_library('rt')
1086 endif
1087
1088 # TODO: some of these may be conditional
1089 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1090 pre_args += '-DHAVE_ZLIB'
1091 dep_thread = dependency('threads')
1092 if dep_thread.found() and host_machine.system() != 'windows'
1093   pre_args += '-DHAVE_PTHREAD'
1094   if cc.has_function(
1095       'pthread_setaffinity_np',
1096       dependencies : dep_thread,
1097       prefix : '#include <pthread.h>',
1098       args : '-D_GNU_SOURCE')
1099     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1100   endif
1101 endif
1102 dep_expat = dependency('expat')
1103 # this only exists on linux so either this is linux and it will be found, or
1104 # its not linux and and wont
1105 dep_m = cc.find_library('m', required : false)
1106
1107 # Check for libdrm. various drivers have different libdrm version requirements,
1108 # but we always want to use the same version for all libdrm modules. That means
1109 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1110 # bar are both on use 2.4.3 for both of them
1111 dep_libdrm_amdgpu = null_dep
1112 dep_libdrm_radeon = null_dep
1113 dep_libdrm_nouveau = null_dep
1114 dep_libdrm_etnaviv = null_dep
1115 dep_libdrm_intel = null_dep
1116
1117 _drm_amdgpu_ver = '2.4.97'
1118 _drm_radeon_ver = '2.4.71'
1119 _drm_nouveau_ver = '2.4.66'
1120 _drm_etnaviv_ver = '2.4.89'
1121 _drm_intel_ver = '2.4.75'
1122 _drm_ver = '2.4.75'
1123
1124 _libdrm_checks = [
1125   ['intel', with_dri_i915 or with_gallium_i915],
1126   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1127   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1128               with_gallium_r300 or with_gallium_r600)],
1129   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1130   ['etnaviv', with_gallium_etnaviv],
1131 ]
1132
1133 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1134 # library.
1135 if with_gallium_vc4
1136   _drm_ver = '2.4.89'
1137 endif
1138
1139 # Loop over the enables versions and get the highest libdrm requirement for all
1140 # active drivers.
1141 _drm_blame = ''
1142 foreach d : _libdrm_checks
1143   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1144   if d[1] and ver.version_compare('>' + _drm_ver)
1145     _drm_ver = ver
1146     _drm_blame = d[0]
1147   endif
1148 endforeach
1149 if _drm_blame != ''
1150   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1151 endif
1152
1153 # Then get each libdrm module
1154 foreach d : _libdrm_checks
1155   if d[1]
1156     set_variable(
1157       'dep_libdrm_' + d[0],
1158       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1159     )
1160   endif
1161 endforeach
1162
1163 with_gallium_drisw_kms = false
1164 dep_libdrm = dependency(
1165   'libdrm', version : '>=' + _drm_ver,
1166   required : with_dri2 or with_dri3
1167 )
1168 if dep_libdrm.found()
1169   pre_args += '-DHAVE_LIBDRM'
1170   if with_dri_platform == 'drm' and with_dri
1171     with_gallium_drisw_kms = true
1172   endif
1173 endif
1174
1175 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1176 llvm_optional_modules = []
1177 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1178   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1179   if with_gallium_r600
1180     llvm_modules += 'asmparser'
1181   endif
1182 endif
1183 if with_gallium_opencl
1184   llvm_modules += [
1185     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1186     'lto', 'option', 'objcarcopts', 'profiledata',
1187   ]
1188   llvm_optional_modules += ['coroutines']
1189 endif
1190
1191 if with_amd_vk or with_gallium_radeonsi
1192   _llvm_version = '>= 7.0.0'
1193 elif with_gallium_swr
1194   _llvm_version = '>= 6.0.0'
1195 elif with_gallium_opencl or with_gallium_r600
1196   _llvm_version = '>= 3.9.0'
1197 else
1198   _llvm_version = '>= 3.3.0'
1199 endif
1200
1201 _shared_llvm = get_option('shared-llvm')
1202
1203 _llvm = get_option('llvm')
1204 dep_llvm = null_dep
1205 with_llvm = false
1206 if _llvm != 'false'
1207   dep_llvm = dependency(
1208     'llvm',
1209     version : _llvm_version,
1210     modules : llvm_modules,
1211     optional_modules : llvm_optional_modules,
1212     required : (
1213       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1214       with_gallium_opencl or _llvm == 'true'
1215     ),
1216     static : not _shared_llvm,
1217   )
1218   with_llvm = dep_llvm.found()
1219 endif
1220 if with_llvm
1221   _llvm_version = dep_llvm.version().split('.')
1222
1223   # 3 digits versions in LLVM only started from 3.4.1 on
1224   if dep_llvm.version().version_compare('>= 3.4.1')
1225     _llvm_patch = _llvm_version[2]
1226   else
1227     _llvm_patch = '0'
1228   endif
1229
1230   pre_args += [
1231     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1232     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1233   ]
1234
1235   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1236   # programs, so we need to build all C++ code in mesa without rtti as well to
1237   # ensure that linking works.
1238   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1239     if with_gallium_nouveau
1240       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1241     endif
1242     cpp_args += '-fno-rtti'
1243   endif
1244 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1245   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1246 endif
1247
1248 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1249     (with_gallium_r600 and with_llvm))
1250   dep_elf = dependency('libelf', required : false)
1251   if not dep_elf.found()
1252     dep_elf = cc.find_library('elf')
1253   endif
1254 else
1255   dep_elf = null_dep
1256 endif
1257
1258 dep_glvnd = null_dep
1259 if with_glvnd
1260   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1261   pre_args += '-DUSE_LIBGLVND=1'
1262 endif
1263
1264 if with_valgrind != 'false'
1265   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1266   if dep_valgrind.found()
1267     pre_args += '-DHAVE_VALGRIND'
1268   endif
1269 else
1270   dep_valgrind = null_dep
1271 endif
1272
1273 # pthread stubs. Lets not and say we didn't
1274
1275 prog_bison = find_program('bison', required : with_any_opengl)
1276 prog_flex = find_program('flex', required : with_any_opengl)
1277
1278 dep_selinux = null_dep
1279 if get_option('selinux')
1280   dep_selinux = dependency('libselinux')
1281   pre_args += '-DMESA_SELINUX'
1282 endif
1283
1284 if with_libunwind != 'false'
1285   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1286   if dep_unwind.found()
1287     pre_args += '-DHAVE_LIBUNWIND'
1288   endif
1289 else
1290   dep_unwind = null_dep
1291 endif
1292
1293 if with_osmesa != 'none'
1294   if with_osmesa == 'classic' and not with_dri_swrast
1295     error('OSMesa classic requires dri (classic) swrast.')
1296   endif
1297   if with_osmesa == 'gallium' and not with_gallium_softpipe
1298     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1299   endif
1300   osmesa_lib_name = 'OSMesa'
1301   osmesa_bits = get_option('osmesa-bits')
1302   if osmesa_bits != '8'
1303     if with_dri or with_glx != 'disabled'
1304       error('OSMesa bits must be 8 if building glx or dir based drivers')
1305     endif
1306     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1307     pre_args += [
1308       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1309     ]
1310   endif
1311 endif
1312
1313 # TODO: symbol mangling
1314
1315 if with_platform_wayland
1316   dep_wl_scanner = dependency('wayland-scanner', native: true)
1317   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1318   if dep_wl_scanner.version().version_compare('>= 1.15')
1319     wl_scanner_arg = 'private-code'
1320   else
1321     wl_scanner_arg = 'code'
1322   endif
1323   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1324   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1325   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1326   if with_egl
1327     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1328     dep_wayland_egl_headers = declare_dependency(
1329       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1330   endif
1331   wayland_dmabuf_xml = join_paths(
1332     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1333     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1334   )
1335   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1336 endif
1337
1338 dep_x11 = null_dep
1339 dep_xext = null_dep
1340 dep_xdamage = null_dep
1341 dep_xfixes = null_dep
1342 dep_x11_xcb = null_dep
1343 dep_xcb = null_dep
1344 dep_xcb_glx = null_dep
1345 dep_xcb_dri2 = null_dep
1346 dep_xcb_dri3 = null_dep
1347 dep_dri2proto = null_dep
1348 dep_glproto = null_dep
1349 dep_xxf86vm = null_dep
1350 dep_xcb_dri3 = null_dep
1351 dep_xcb_present = null_dep
1352 dep_xcb_sync = null_dep
1353 dep_xcb_xfixes = null_dep
1354 dep_xshmfence = null_dep
1355 dep_xcb_xrandr = null_dep
1356 dep_xlib_xrandr = null_dep
1357 if with_platform_x11
1358   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1359     dep_x11 = dependency('x11')
1360     dep_xext = dependency('xext')
1361     dep_xcb = dependency('xcb')
1362   elif with_glx == 'dri'
1363     dep_x11 = dependency('x11')
1364     dep_xext = dependency('xext')
1365     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1366     dep_xfixes = dependency('xfixes')
1367     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1368   endif
1369   if (with_any_vk or with_glx == 'dri' or with_egl or
1370        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1371         with_gallium_omx != 'disabled'))
1372     dep_xcb = dependency('xcb')
1373     dep_x11_xcb = dependency('x11-xcb')
1374   endif
1375   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1376     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1377
1378     if with_dri3
1379       pre_args += '-DHAVE_DRI3'
1380       dep_xcb_dri3 = dependency('xcb-dri3')
1381       dep_xcb_present = dependency('xcb-present')
1382       # until xcb-dri3 has been around long enough to make a hard-dependency:
1383       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1384           dep_xcb_present.version().version_compare('>= 1.13'))
1385         pre_args += '-DHAVE_DRI3_MODIFIERS'
1386       endif
1387       dep_xcb_sync = dependency('xcb-sync')
1388       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1389     endif
1390   endif
1391   if with_glx == 'dri'
1392     if with_dri_platform == 'drm'
1393       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1394       dep_xxf86vm = dependency('xxf86vm')
1395     endif
1396     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1397   endif
1398   if (with_egl or (
1399       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1400       with_gallium_omx != 'disabled'))
1401     dep_xcb_xfixes = dependency('xcb-xfixes')
1402   endif
1403   if with_xlib_lease
1404     dep_xcb_xrandr = dependency('xcb-randr')
1405     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1406   endif
1407 endif
1408
1409 if get_option('gallium-extra-hud')
1410   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1411 endif
1412
1413 _sensors = get_option('lmsensors')
1414 if _sensors != 'false'
1415   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1416   if dep_lmsensors.found()
1417     pre_args += '-DHAVE_LIBSENSORS=1'
1418   endif
1419 else
1420   dep_lmsensors = null_dep
1421 endif
1422
1423 foreach a : pre_args
1424   add_project_arguments(a, language : ['c', 'cpp'])
1425 endforeach
1426 foreach a : c_args
1427   add_project_arguments(a, language : ['c'])
1428 endforeach
1429 foreach a : cpp_args
1430   add_project_arguments(a, language : ['cpp'])
1431 endforeach
1432
1433 inc_include = include_directories('include')
1434
1435 gl_priv_reqs = []
1436
1437 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1438   gl_priv_reqs += ['x11', 'xext', 'xcb']
1439 elif with_glx == 'dri'
1440   gl_priv_reqs += [
1441     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1442     'xcb-glx >= 1.8.1']
1443   if with_dri_platform == 'drm'
1444     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1445     gl_priv_reqs += 'xxf86vm'
1446   endif
1447 endif
1448 if dep_libdrm.found()
1449   gl_priv_reqs += 'libdrm >= 2.4.75'
1450 endif
1451
1452 gl_priv_libs = []
1453 if dep_thread.found()
1454   gl_priv_libs += ['-lpthread', '-pthread']
1455 endif
1456 if dep_m.found()
1457   gl_priv_libs += '-lm'
1458 endif
1459 if dep_dl.found()
1460   gl_priv_libs += '-ldl'
1461 endif
1462
1463 pkg = import('pkgconfig')
1464
1465 env_test = environment()
1466 env_test.set('NM', find_program('nm').path())
1467
1468 # This quirk needs to be applied to sources with functions defined in assembly
1469 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1470 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1471
1472 subdir('include')
1473 subdir('bin')
1474 subdir('src')