meson.build

   1 # Copyright © 2017-2018 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_osmesa = get_option('osmesa')
  55 with_swr_arches = get_option('swr-arches')
  56 with_tools = get_option('tools')
  57 if with_tools.contains('all')
  58   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
  59 endif
  60
  61 dri_drivers_path = get_option('dri-drivers-path')
  62 if dri_drivers_path == ''
  63   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  64 endif
  65 dri_search_path = get_option('dri-search-path')
  66 if dri_search_path == ''
  67   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  68 endif
  69
  70 with_gles1 = get_option('gles1')
  71 with_gles2 = get_option('gles2')
  72 with_opengl = get_option('opengl')
  73 with_any_opengl = with_opengl or with_gles1 or with_gles2
  74 # Only build shared_glapi if at least one OpenGL API is enabled
  75 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  76
  77
  78 # shared-glapi is required if at least two OpenGL APIs are being built
  79 if not with_shared_glapi
  80   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  81       or (with_gles2 and with_opengl))
  82     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  83   endif
  84 endif
  85
  86 # We require OpenGL for OpenGL ES
  87 if (with_gles1 or with_gles2) and not with_opengl
  88   error('building OpenGL ES without OpenGL is not supported.')
  89 endif
  90
  91 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  92
  93 _drivers = get_option('dri-drivers')
  94 if _drivers.contains('auto')
  95   if system_has_kms_drm
  96     # TODO: PPC, Sparc
  97     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  98       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
  99     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 100       _drivers = []
 101     else
 102       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 103             host_machine.cpu_family()))
 104     endif
 105   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 106     # only swrast would make sense here, but gallium swrast is a much better default
 107     _drivers = []
 108   else
 109     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 110           host_machine.system()))
 111   endif
 112 endif
 113
 114 with_dri_i915 = _drivers.contains('i915')
 115 with_dri_i965 = _drivers.contains('i965')
 116 with_dri_r100 = _drivers.contains('r100')
 117 with_dri_r200 = _drivers.contains('r200')
 118 with_dri_nouveau = _drivers.contains('nouveau')
 119 with_dri_swrast = _drivers.contains('swrast')
 120
 121 with_dri = _drivers.length() != 0 and _drivers != ['']
 122
 123 _drivers = get_option('gallium-drivers')
 124 if _drivers.contains('auto')
 125   if system_has_kms_drm
 126     # TODO: PPC, Sparc
 127     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 128       _drivers = [
 129         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 130       ]
 131     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 132       _drivers = [
 133         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 134         'tegra', 'virgl', 'swrast',
 135       ]
 136     else
 137       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 138             host_machine.cpu_family()))
 139     endif
 140   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 141     _drivers = ['swrast']
 142   else
 143     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 144           host_machine.system()))
 145   endif
 146 endif
 147 with_gallium_pl111 = _drivers.contains('pl111')
 148 with_gallium_radeonsi = _drivers.contains('radeonsi')
 149 with_gallium_r300 = _drivers.contains('r300')
 150 with_gallium_r600 = _drivers.contains('r600')
 151 with_gallium_nouveau = _drivers.contains('nouveau')
 152 with_gallium_freedreno = _drivers.contains('freedreno')
 153 with_gallium_softpipe = _drivers.contains('swrast')
 154 with_gallium_vc4 = _drivers.contains('vc4')
 155 with_gallium_v3d = _drivers.contains('v3d')
 156 with_gallium_etnaviv = _drivers.contains('etnaviv')
 157 with_gallium_imx = _drivers.contains('imx')
 158 with_gallium_tegra = _drivers.contains('tegra')
 159 with_gallium_i915 = _drivers.contains('i915')
 160 with_gallium_svga = _drivers.contains('svga')
 161 with_gallium_virgl = _drivers.contains('virgl')
 162 with_gallium_swr = _drivers.contains('swr')
 163
 164 with_gallium = _drivers.length() != 0 and _drivers != ['']
 165
 166 if with_gallium and system_has_kms_drm
 167   _glx = get_option('glx')
 168   _egl = get_option('egl')
 169   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 170     with_dri = true
 171   endif
 172 endif
 173
 174 _vulkan_drivers = get_option('vulkan-drivers')
 175 if _vulkan_drivers.contains('auto')
 176   if system_has_kms_drm
 177     if host_machine.cpu_family().startswith('x86')
 178       _vulkan_drivers = ['amd', 'intel']
 179     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 180       _vulkan_drivers = []
 181     else
 182       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 183             host_machine.cpu_family()))
 184     endif
 185   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 186     # No vulkan driver supports windows or macOS currently
 187     _vulkan_drivers = []
 188   else
 189     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 190           host_machine.system()))
 191   endif
 192 endif
 193
 194 with_intel_vk = _vulkan_drivers.contains('intel')
 195 with_amd_vk = _vulkan_drivers.contains('amd')
 196 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 197
 198 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 199   error('Only one swrast provider can be built')
 200 endif
 201 if with_dri_i915 and with_gallium_i915
 202   error('Only one i915 provider can be built')
 203 endif
 204 if with_gallium_imx and not with_gallium_etnaviv
 205   error('IMX driver requires etnaviv driver')
 206 endif
 207 if with_gallium_pl111 and not with_gallium_vc4
 208   error('pl111 driver requires vc4 driver')
 209 endif
 210 if with_gallium_tegra and not with_gallium_nouveau
 211   error('tegra driver requires nouveau driver')
 212 endif
 213
 214 if host_machine.system() == 'darwin'
 215   with_dri_platform = 'apple'
 216 elif ['windows', 'cygwin'].contains(host_machine.system())
 217   with_dri_platform = 'windows'
 218 elif system_has_kms_drm
 219   with_dri_platform = 'drm'
 220 else
 221   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 222   # assert here that one of those cases has been met.
 223   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 224   # support Hurd at time of writing (2017/11)
 225   # FIXME: illumos ends up here as well
 226   with_dri_platform = 'none'
 227 endif
 228
 229 _platforms = get_option('platforms')
 230 if _platforms.contains('auto')
 231   if system_has_kms_drm
 232     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 233   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 234     _platforms = ['x11', 'surfaceless']
 235   elif ['haiku'].contains(host_machine.system())
 236     _platforms = ['haiku']
 237   else
 238     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 239           host_machine.system()))
 240   endif
 241 endif
 242
 243 with_platform_android = _platforms.contains('android')
 244 with_platform_x11 = _platforms.contains('x11')
 245 with_platform_wayland = _platforms.contains('wayland')
 246 with_platform_drm = _platforms.contains('drm')
 247 with_platform_haiku = _platforms.contains('haiku')
 248 with_platform_surfaceless = _platforms.contains('surfaceless')
 249
 250 with_platforms = false
 251 if _platforms.length() != 0 and _platforms != ['']
 252   with_platforms = true
 253   egl_native_platform = _platforms[0]
 254 endif
 255
 256 _xlib_lease = get_option('xlib-lease')
 257 if _xlib_lease == 'auto'
 258   with_xlib_lease = with_platform_x11 and with_platform_drm
 259 else
 260   with_xlib_lease = _xlib_lease == 'true'
 261 endif
 262
 263 with_glx = get_option('glx')
 264 if with_glx == 'auto'
 265   if with_dri
 266     with_glx = 'dri'
 267   elif with_platform_haiku
 268     with_glx = 'disabled'
 269   elif with_gallium
 270     # Even when building just gallium drivers the user probably wants dri
 271     with_glx = 'dri'
 272   elif with_platform_x11 and with_any_opengl and not with_any_vk
 273     # The automatic behavior should not be to turn on xlib based glx when
 274     # building only vulkan drivers
 275     with_glx = 'xlib'
 276   else
 277     with_glx = 'disabled'
 278   endif
 279 endif
 280 if with_glx == 'dri'
 281    if with_gallium
 282       with_dri = true
 283    endif
 284 endif
 285
 286 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 287   with_gles1 = false
 288   with_gles2 = false
 289   with_opengl = false
 290   with_any_opengl = false
 291   with_shared_glapi = false
 292 endif
 293
 294 _gbm = get_option('gbm')
 295 if _gbm == 'auto'
 296   with_gbm = system_has_kms_drm and with_dri
 297 else
 298   with_gbm = _gbm == 'true'
 299 endif
 300 if with_gbm and not system_has_kms_drm
 301   error('GBM only supports DRM/KMS platforms')
 302 endif
 303
 304 _egl = get_option('egl')
 305 if _egl == 'auto'
 306   with_egl = (
 307     not ['darwin', 'windows'].contains(host_machine.system()) and
 308     with_dri and with_shared_glapi and with_platforms
 309   )
 310 elif _egl == 'true'
 311   if not with_dri
 312     error('EGL requires dri')
 313   elif not with_shared_glapi
 314     error('EGL requires shared-glapi')
 315   elif not with_platforms
 316     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 317   elif not ['disabled', 'dri'].contains(with_glx)
 318     error('EGL requires dri, but a GLX is being built without dri')
 319   elif ['darwin', 'windows'].contains(host_machine.system())
 320     error('EGL is not available on Windows or MacOS')
 321   endif
 322   with_egl = true
 323 else
 324   with_egl = false
 325 endif
 326
 327 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 328   if with_gallium_radeonsi
 329     error('RadeonSI requires drm or surfaceless platform when using EGL')
 330   endif
 331   if with_gallium_virgl
 332     error('Virgl requires drm or surfaceless platform when using EGL')
 333   endif
 334 endif
 335
 336 pre_args += '-DGLX_USE_TLS'
 337 if with_glx != 'disabled'
 338   if not (with_platform_x11 and with_any_opengl)
 339     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 340   elif with_glx == 'gallium-xlib'
 341     if not with_gallium
 342       error('Gallium-xlib based GLX requires at least one gallium driver')
 343     elif not with_gallium_softpipe
 344       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 345     elif with_dri
 346       error('gallium-xlib conflicts with any dri driver')
 347     endif
 348   elif with_glx == 'xlib'
 349     if with_dri
 350       error('xlib conflicts with any dri driver')
 351     endif
 352   elif with_glx == 'dri'
 353     if not with_dri
 354       error('dri based GLX requires at least one DRI driver')
 355     elif not with_shared_glapi
 356       error('dri based GLX requires shared-glapi')
 357     endif
 358   endif
 359 endif
 360
 361 with_glvnd = get_option('glvnd')
 362 if with_glvnd
 363   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 364     error('Cannot build glvnd support for GLX that is not DRI based.')
 365   elif with_glx == 'disabled' and not with_egl
 366     error('glvnd requires DRI based GLX and/or EGL')
 367   endif
 368 endif
 369
 370 # TODO: toggle for this
 371 with_glx_direct = true
 372
 373 if with_vulkan_icd_dir == ''
 374   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 375 endif
 376
 377 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 378 _dri3 = get_option('dri3')
 379 if _dri3 == 'auto'
 380   with_dri3 = system_has_kms_drm and with_dri2
 381 else
 382   with_dri3 = _dri3 == 'true'
 383 endif
 384
 385 if with_any_vk and (with_platform_x11 and not with_dri3)
 386   error('Vulkan drivers require dri3 for X11 support')
 387 endif
 388 if with_dri or with_gallium
 389   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 390     error('building dri or gallium drivers require at least one window system')
 391   endif
 392 endif
 393
 394 prog_pkgconfig = find_program('pkg-config')
 395
 396 _vdpau = get_option('gallium-vdpau')
 397 if not system_has_kms_drm
 398   if _vdpau == 'true'
 399     error('VDPAU state tracker can only be build on unix-like OSes.')
 400   else
 401     _vdpau = 'false'
 402   endif
 403 elif not with_platform_x11
 404   if _vdpau == 'true'
 405     error('VDPAU state tracker requires X11 support.')
 406   else
 407     _vdpau = 'false'
 408   endif
 409 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 410           with_gallium_nouveau)
 411   if _vdpau == 'true'
 412     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 413   else
 414     _vdpau = 'false'
 415   endif
 416 endif
 417 dep_vdpau = null_dep
 418 with_gallium_vdpau = false
 419 if _vdpau != 'false'
 420   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 421   if dep_vdpau.found()
 422     dep_vdpau = declare_dependency(
 423       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 424     )
 425     with_gallium_vdpau = true
 426   endif
 427 endif
 428
 429 if with_gallium_vdpau
 430   pre_args += '-DHAVE_ST_VDPAU'
 431 endif
 432 vdpau_drivers_path = get_option('vdpau-libs-path')
 433 if vdpau_drivers_path == ''
 434   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 435 endif
 436
 437 _xvmc = get_option('gallium-xvmc')
 438 if not system_has_kms_drm
 439   if _xvmc == 'true'
 440     error('XVMC state tracker can only be build on unix-like OSes.')
 441   else
 442     _xvmc = 'false'
 443   endif
 444 elif not with_platform_x11
 445   if _xvmc == 'true'
 446     error('XVMC state tracker requires X11 support.')
 447   else
 448     _xvmc = 'false'
 449   endif
 450 elif not (with_gallium_r600 or with_gallium_nouveau)
 451   if _xvmc == 'true'
 452     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 453   else
 454     _xvmc = 'false'
 455   endif
 456 endif
 457 dep_xvmc = null_dep
 458 with_gallium_xvmc = false
 459 if _xvmc != 'false'
 460   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 461   with_gallium_xvmc = dep_xvmc.found()
 462 endif
 463
 464 xvmc_drivers_path = get_option('xvmc-libs-path')
 465 if xvmc_drivers_path == ''
 466   xvmc_drivers_path = get_option('libdir')
 467 endif
 468
 469 _omx = get_option('gallium-omx')
 470 if not system_has_kms_drm
 471   if ['auto', 'disabled'].contains(_omx)
 472     _omx = 'disabled'
 473   else
 474     error('OMX state tracker can only be built on unix-like OSes.')
 475   endif
 476 elif not (with_platform_x11 or with_platform_drm)
 477   if ['auto', 'disabled'].contains(_omx)
 478     _omx = 'disabled'
 479   else
 480     error('OMX state tracker requires X11 or drm platform support.')
 481   endif
 482 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 483   if ['auto', 'disabled'].contains(_omx)
 484     _omx = 'disabled'
 485   else
 486     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 487   endif
 488 endif
 489 with_gallium_omx = _omx
 490 dep_omx = null_dep
 491 dep_omx_other = []
 492 if ['auto', 'bellagio'].contains(_omx)
 493   dep_omx = dependency(
 494     'libomxil-bellagio', required : _omx == 'bellagio'
 495   )
 496   if dep_omx.found()
 497     with_gallium_omx = 'bellagio'
 498   endif
 499 endif
 500 if ['auto', 'tizonia'].contains(_omx)
 501   if with_dri and with_egl
 502     dep_omx = dependency(
 503       'libtizonia', version : '>= 0.10.0',
 504       required : _omx == 'tizonia',
 505     )
 506     dep_omx_other = [
 507       dependency('libtizplatform', required : _omx == 'tizonia'),
 508       dependency('tizilheaders', required : _omx == 'tizonia'),
 509     ]
 510     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 511       with_gallium_omx = 'tizonia'
 512     endif
 513   elif _omx == 'tizonia'
 514     error('OMX-Tizonia state tracker requires dri and egl')
 515   endif
 516 endif
 517 if _omx == 'auto'
 518   with_gallium_omx = 'disabled'
 519 else
 520   with_gallium_omx = _omx
 521 endif
 522
 523 pre_args += [
 524   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 525   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 526 ]
 527
 528
 529 omx_drivers_path = get_option('omx-libs-path')
 530
 531 if with_gallium_omx != 'disabled'
 532   # Figure out where to put the omx driver.
 533   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 534   # argument to meson's get_pkgconfig_variable method.
 535   if omx_drivers_path == ''
 536     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 537     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 538     if _omx_libdir == get_option('libdir')
 539       omx_drivers_path = _omx_drivers_dir
 540     else
 541       _omx_base_dir = []
 542       # This will fail on windows. Does OMX run on windows?
 543       _omx_libdir = _omx_libdir.split('/')
 544       _omx_drivers_dir = _omx_drivers_dir.split('/')
 545       foreach o : _omx_drivers_dir
 546         if not _omx_libdir.contains(o)
 547           _omx_base_dir += o
 548         endif
 549       endforeach
 550       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 551     endif
 552   endif
 553 endif
 554
 555 _va = get_option('gallium-va')
 556 if not system_has_kms_drm
 557   if _va == 'true'
 558     error('VA state tracker can only be built on unix-like OSes.')
 559   else
 560     _va = 'false'
 561   endif
 562 elif not (with_platform_x11 or with_platform_drm)
 563   if _va == 'true'
 564     error('VA state tracker requires X11 or drm or wayland platform support.')
 565   else
 566     _va = 'false'
 567   endif
 568 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 569   if _va == 'true'
 570     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 571   else
 572     _va = 'false'
 573   endif
 574 endif
 575 with_gallium_va = false
 576 dep_va = null_dep
 577 if _va != 'false'
 578   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 579   if dep_va.found()
 580     dep_va_headers = declare_dependency(
 581       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 582     )
 583     with_gallium_va = true
 584   endif
 585 endif
 586
 587 va_drivers_path = get_option('va-libs-path')
 588 if va_drivers_path == ''
 589   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 590 endif
 591
 592 _xa = get_option('gallium-xa')
 593 if not system_has_kms_drm
 594   if _xa == 'true'
 595     error('XA state tracker can only be built on unix-like OSes.')
 596   else
 597     _xa = 'false'
 598   endif
 599 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 600           or with_gallium_svga)
 601   if _xa == 'true'
 602     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 603   else
 604     _xa = 'false'
 605   endif
 606 endif
 607 with_gallium_xa = _xa != 'false'
 608
 609 d3d_drivers_path = get_option('d3d-drivers-path')
 610 if d3d_drivers_path == ''
 611   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 612 endif
 613
 614 with_gallium_st_nine =  get_option('gallium-nine')
 615 if with_gallium_st_nine
 616   if not with_gallium_softpipe
 617     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 618   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 619             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 620     error('The nine state tracker requires at least on non-swrast gallium driver.')
 621   endif
 622   if not with_dri3
 623     error('Using nine with wine requires dri3')
 624   endif
 625 endif
 626
 627 if get_option('power8') != 'false'
 628   # on old versions of meson the cpu family would return as ppc64le on little
 629   # endian power8, this was changed in 0.48 such that the family would always
 630   # be ppc64 regardless of endianness, and the the machine.endian() value
 631   # should be checked. Since we support versions < 0.48 we need to use
 632   # startswith.
 633   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 634     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 635       error('Altivec is not supported with gcc version < 4.8.')
 636     endif
 637     if cc.compiles('''
 638         #include <altivec.h>
 639         int main() {
 640           vector unsigned char r;
 641           vector unsigned int v = vec_splat_u32 (1);
 642           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 643           return 0;
 644         }''',
 645         args : '-mpower8-vector',
 646         name : 'POWER8 intrinsics')
 647       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 648     elif get_option('power8') == 'true'
 649       error('POWER8 intrinsic support required but not found.')
 650     endif
 651   endif
 652 endif
 653
 654 _opencl = get_option('gallium-opencl')
 655 if _opencl != 'disabled'
 656   if not with_gallium
 657     error('OpenCL Clover implementation requires at least one gallium driver.')
 658   endif
 659
 660   dep_clc = dependency('libclc')
 661   with_gallium_opencl = true
 662   with_opencl_icd = _opencl == 'icd'
 663 else
 664   dep_clc = null_dep
 665   with_gallium_opencl = false
 666   with_gallium_icd = false
 667 endif
 668
 669 gl_pkgconfig_c_flags = []
 670 if with_platform_x11
 671   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 672     pre_args += '-DHAVE_X11_PLATFORM'
 673   endif
 674   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 675     pre_args += '-DUSE_XSHM'
 676   else
 677     pre_args += '-DGLX_INDIRECT_RENDERING'
 678     if with_glx_direct
 679       pre_args += '-DGLX_DIRECT_RENDERING'
 680     endif
 681     if with_dri_platform == 'drm'
 682       pre_args += '-DGLX_USE_DRM'
 683     elif with_dri_platform == 'apple'
 684       pre_args += '-DGLX_USE_APPLEGL'
 685     elif with_dri_platform == 'windows'
 686       pre_args += '-DGLX_USE_WINDOWSGL'
 687     endif
 688   endif
 689 else
 690   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 691   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 692 endif
 693 if with_platform_drm
 694   if with_egl and not with_gbm
 695     error('EGL drm platform requires gbm')
 696   endif
 697   pre_args += '-DHAVE_DRM_PLATFORM'
 698 endif
 699 if with_platform_surfaceless
 700   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 701 endif
 702 if with_platform_android
 703   dep_android = [
 704     dependency('cutils'),
 705     dependency('hardware'),
 706     dependency('sync'),
 707   ]
 708   pre_args += '-DHAVE_ANDROID_PLATFORM'
 709 endif
 710 if with_platform_haiku
 711   pre_args += '-DHAVE_HAIKU_PLATFORM'
 712 endif
 713
 714 prog_python = import('python3').find_python()
 715 has_mako = run_command(
 716   prog_python, '-c',
 717   '''
 718 from distutils.version import StrictVersion
 719 import mako
 720 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 721   ''')
 722 if has_mako.returncode() != 0
 723   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 724 endif
 725
 726 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 727   error('When using GCC, version 4.4.6 or later is required.')
 728 endif
 729
 730 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 731 if get_option('buildtype') == 'debug'
 732   pre_args += '-DDEBUG'
 733 endif
 734
 735 if get_option('shader-cache')
 736   pre_args += '-DENABLE_SHADER_CACHE'
 737 elif with_amd_vk
 738   error('Radv requires shader cache support')
 739 endif
 740
 741 # Check for GCC style builtins
 742 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 743              'ffsll', 'popcount', 'popcountll', 'unreachable']
 744   if cc.has_function(b)
 745     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 746   endif
 747 endforeach
 748
 749 # check for GCC __attribute__
 750 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 751              'warn_unused_result', 'weak',]
 752   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 753                  name : '__attribute__((@0@))'.format(a))
 754     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 755   endif
 756 endforeach
 757 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 758                name : '__attribute__((format(...)))')
 759   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 760 endif
 761 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 762                name : '__attribute__((packed))')
 763   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 764 endif
 765 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 766                name : '__attribute__((returns_nonnull))')
 767   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 768 endif
 769 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 770                   int foo_hid(void) __attribute__((visibility("hidden")));
 771                   int foo_int(void) __attribute__((visibility("internal")));
 772                   int foo_pro(void) __attribute__((visibility("protected")));''',
 773                name : '__attribute__((visibility(...)))')
 774   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 775 endif
 776 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 777                name : '__attribute__((alias(...)))')
 778   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 779 endif
 780 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 781                name : '__attribute__((__noreturn__))')
 782   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 783 endif
 784
 785 # TODO: this is very incomplete
 786 if ['linux', 'cygwin'].contains(host_machine.system())
 787   pre_args += '-D_GNU_SOURCE'
 788 endif
 789
 790 # Check for generic C arguments
 791 c_args = []
 792 foreach a : ['-Werror=implicit-function-declaration',
 793              '-Werror=missing-prototypes', '-Werror=return-type',
 794              '-fno-math-errno',
 795              '-fno-trapping-math', '-Qunused-arguments']
 796   if cc.has_argument(a)
 797     c_args += a
 798   endif
 799 endforeach
 800
 801 foreach a : ['missing-field-initializers', 'format-truncation']
 802   if cc.has_argument('-W' + a)
 803     c_args += '-Wno-' + a
 804   endif
 805 endforeach
 806
 807 c_vis_args = []
 808 if cc.has_argument('-fvisibility=hidden')
 809   c_vis_args += '-fvisibility=hidden'
 810 endif
 811
 812 # Check for generic C++ arguments
 813 cpp_args = []
 814 foreach a : ['-Werror=return-type',
 815              '-fno-math-errno', '-fno-trapping-math',
 816              '-Qunused-arguments']
 817   if cpp.has_argument(a)
 818     cpp_args += a
 819   endif
 820 endforeach
 821
 822 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 823 # option is not supported. Hence, check for -Wfoo instead.
 824
 825 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
 826   if cpp.has_argument('-W' + a)
 827     cpp_args += '-Wno-' + a
 828   endif
 829 endforeach
 830
 831 no_override_init_args = []
 832 foreach a : ['override-init', 'initializer-overrides']
 833   if cc.has_argument('-W' + a)
 834     no_override_init_args += '-Wno-' + a
 835   endif
 836 endforeach
 837
 838 cpp_vis_args = []
 839 if cpp.has_argument('-fvisibility=hidden')
 840   cpp_vis_args += '-fvisibility=hidden'
 841 endif
 842
 843 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 844 # in parts of the mesa code base that need to compile with old versions of
 845 # MSVC, mainly common code
 846 c_msvc_compat_args = []
 847 cpp_msvc_compat_args = []
 848 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 849   if cc.has_argument(a)
 850     c_msvc_compat_args += a
 851   endif
 852   if cpp.has_argument(a)
 853     cpp_msvc_compat_args += a
 854   endif
 855 endforeach
 856
 857 if host_machine.cpu_family().startswith('x86')
 858   pre_args += '-DUSE_SSE41'
 859   with_sse41 = true
 860   sse41_args = ['-msse4.1']
 861
 862   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 863   # that's not guaranteed
 864   if host_machine.cpu_family() == 'x86'
 865     sse41_args += '-mstackrealign'
 866   endif
 867 else
 868   with_sse41 = false
 869   sse41_args = []
 870 endif
 871
 872 # Check for GCC style atomics
 873 dep_atomic = null_dep
 874
 875 if cc.compiles('''#include <stdint.h>
 876                   int main() {
 877                     struct {
 878                       uint64_t *v;
 879                     } x;
 880                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 881                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 882
 883                   }''',
 884                name : 'GCC atomic builtins')
 885   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 886
 887   # Not all atomic calls can be turned into lock-free instructions, in which
 888   # GCC will make calls into the libatomic library. Check whether we need to
 889   # link with -latomic.
 890   #
 891   # This can happen for 64-bit atomic operations on 32-bit architectures such
 892   # as ARM.
 893   if not cc.links('''#include <stdint.h>
 894                      int main() {
 895                        struct {
 896                          uint64_t *v;
 897                        } x;
 898                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 899                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 900                      }''',
 901                   name : 'GCC atomic builtins required -latomic')
 902     dep_atomic = cc.find_library('atomic')
 903   endif
 904 endif
 905 if not cc.links('''#include <stdint.h>
 906                    uint64_t v;
 907                    int main() {
 908                      return __sync_add_and_fetch(&v, (uint64_t)1);
 909                    }''',
 910                 dependencies : dep_atomic,
 911                 name : 'GCC 64bit atomics')
 912   pre_args += '-DMISSING_64BIT_ATOMICS'
 913 endif
 914
 915 # TODO: shared/static? Is this even worth doing?
 916
 917 # When cross compiling we generally need to turn off the use of assembly,
 918 # because mesa's assembly relies on building an executable for the host system,
 919 # and running it to get information about struct sizes. There is at least one
 920 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 921 # host OS == build OS, since in that case the build machine can run the host's
 922 # binaries.
 923 if with_asm and meson.is_cross_build()
 924   if build_machine.system() != host_machine.system()
 925     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 926     message('Cross compiling from one OS to another, disabling assembly.')
 927     with_asm = false
 928   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 929     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 930     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 931     # case.
 932     # TODO: There may be other cases where the 64 bit version of the
 933     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 934     message('''
 935       Cross compiling to different architectures, and the host cannot run
 936       the build machine's binaries. Disabling assembly.
 937     ''')
 938     with_asm = false
 939   endif
 940 endif
 941
 942 with_asm_arch = ''
 943 if with_asm
 944   if host_machine.cpu_family() == 'x86'
 945     if system_has_kms_drm
 946       with_asm_arch = 'x86'
 947       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 948                    '-DUSE_SSE_ASM']
 949
 950       if with_glx_read_only_text
 951          pre_args += ['-DGLX_X86_READONLY_TEXT']
 952       endif
 953     endif
 954   elif host_machine.cpu_family() == 'x86_64'
 955     if system_has_kms_drm
 956       with_asm_arch = 'x86_64'
 957       pre_args += ['-DUSE_X86_64_ASM']
 958     endif
 959   elif host_machine.cpu_family() == 'arm'
 960     if system_has_kms_drm
 961       with_asm_arch = 'arm'
 962       pre_args += ['-DUSE_ARM_ASM']
 963     endif
 964   elif host_machine.cpu_family() == 'aarch64'
 965     if system_has_kms_drm
 966       with_asm_arch = 'aarch64'
 967       pre_args += ['-DUSE_AARCH64_ASM']
 968     endif
 969   elif host_machine.cpu_family() == 'sparc64'
 970     if system_has_kms_drm
 971       with_asm_arch = 'sparc'
 972       pre_args += ['-DUSE_SPARC_ASM']
 973     endif
 974   elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 975     if system_has_kms_drm
 976       with_asm_arch = 'ppc64le'
 977       pre_args += ['-DUSE_PPC64LE_ASM']
 978     endif
 979   endif
 980 endif
 981
 982 # Check for standard headers and functions
 983 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 984   pre_args += '-DMAJOR_IN_SYSMACROS'
 985 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 986   pre_args += '-DMAJOR_IN_MKDEV'
 987 endif
 988
 989 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
 990   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 991     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 992   endif
 993 endforeach
 994
 995 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 996   if cc.has_function(f)
 997     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 998   endif
 999 endforeach
1000
1001 # strtod locale support
1002 if cc.links('''
1003     #define _GNU_SOURCE
1004     #include <stdlib.h>
1005     #include <locale.h>
1006     #ifdef HAVE_XLOCALE_H
1007     #include <xlocale.h>
1008     #endif
1009     int main() {
1010       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1011       const char *s = "1.0";
1012       char *end;
1013       double d = strtod_l(s, end, loc);
1014       float f = strtof_l(s, end, loc);
1015       freelocale(loc);
1016       return 0;
1017     }''',
1018     args : pre_args,
1019     name : 'strtod has locale support')
1020   pre_args += '-DHAVE_STRTOD_L'
1021 endif
1022
1023 # Check for some linker flags
1024 ld_args_bsymbolic = []
1025 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1026   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1027 endif
1028 ld_args_gc_sections = []
1029 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1030             args : '-Wl,--gc-sections', name : 'gc-sections')
1031   ld_args_gc_sections += '-Wl,--gc-sections'
1032 endif
1033 with_ld_version_script = false
1034 if cc.links('int main() { return 0; }',
1035             args : '-Wl,--version-script=@0@'.format(
1036               join_paths(meson.source_root(), 'build-support/conftest.map')),
1037             name : 'version-script')
1038   with_ld_version_script = true
1039 endif
1040 with_ld_dynamic_list = false
1041 if cc.links('int main() { return 0; }',
1042             args : '-Wl,--dynamic-list=@0@'.format(
1043               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1044             name : 'dynamic-list')
1045   with_ld_dynamic_list = true
1046 endif
1047 ld_args_build_id = []
1048 if build_machine.system() != 'darwin'
1049    ld_args_build_id += '-Wl,--build-id=sha1'
1050 endif
1051
1052 # check for dl support
1053 if cc.has_function('dlopen')
1054   dep_dl = null_dep
1055 else
1056   dep_dl = cc.find_library('dl')
1057 endif
1058 if cc.has_function('dladdr', dependencies : dep_dl)
1059   # This is really only required for megadrivers
1060   pre_args += '-DHAVE_DLADDR'
1061 endif
1062
1063 if cc.has_function('dl_iterate_phdr')
1064   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1065 elif with_intel_vk
1066   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1067 elif with_dri_i965 and get_option('shader-cache')
1068   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1069 endif
1070
1071 # Determine whether or not the rt library is needed for time functions
1072 if cc.has_function('clock_gettime')
1073   dep_clock = null_dep
1074 else
1075   dep_clock = cc.find_library('rt')
1076 endif
1077
1078 # TODO: some of these may be conditional
1079 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1080 pre_args += '-DHAVE_ZLIB'
1081 dep_thread = dependency('threads')
1082 if dep_thread.found() and host_machine.system() != 'windows'
1083   pre_args += '-DHAVE_PTHREAD'
1084   if cc.has_function(
1085       'pthread_setaffinity_np',
1086       dependencies : dep_thread,
1087       prefix : '#include <pthread.h>',
1088       args : '-D_GNU_SOURCE')
1089     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1090   endif
1091 endif
1092 dep_expat = dependency('expat')
1093 # this only exists on linux so either this is linux and it will be found, or
1094 # its not linux and and wont
1095 dep_m = cc.find_library('m', required : false)
1096
1097 # Check for libdrm. various drivers have different libdrm version requirements,
1098 # but we always want to use the same version for all libdrm modules. That means
1099 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1100 # bar are both on use 2.4.3 for both of them
1101 dep_libdrm_amdgpu = null_dep
1102 dep_libdrm_radeon = null_dep
1103 dep_libdrm_nouveau = null_dep
1104 dep_libdrm_etnaviv = null_dep
1105 dep_libdrm_intel = null_dep
1106
1107 _drm_amdgpu_ver = '2.4.95'
1108 _drm_radeon_ver = '2.4.71'
1109 _drm_nouveau_ver = '2.4.66'
1110 _drm_etnaviv_ver = '2.4.89'
1111 _drm_intel_ver = '2.4.75'
1112 _drm_ver = '2.4.75'
1113
1114 _libdrm_checks = [
1115   ['intel', with_dri_i915 or with_gallium_i915],
1116   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1117   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1118               with_gallium_r300 or with_gallium_r600)],
1119   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1120   ['etnaviv', with_gallium_etnaviv],
1121 ]
1122
1123 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1124 # library.
1125 if with_gallium_vc4
1126   _drm_ver = '2.4.89'
1127 endif
1128
1129 # Loop over the enables versions and get the highest libdrm requirement for all
1130 # active drivers.
1131 _drm_blame = ''
1132 foreach d : _libdrm_checks
1133   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1134   if d[1] and ver.version_compare('>' + _drm_ver)
1135     _drm_ver = ver
1136     _drm_blame = d[0]
1137   endif
1138 endforeach
1139 if _drm_blame != ''
1140   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1141 endif
1142
1143 # Then get each libdrm module
1144 foreach d : _libdrm_checks
1145   if d[1]
1146     set_variable(
1147       'dep_libdrm_' + d[0],
1148       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1149     )
1150   endif
1151 endforeach
1152
1153 with_gallium_drisw_kms = false
1154 dep_libdrm = dependency(
1155   'libdrm', version : '>=' + _drm_ver,
1156   required : with_dri2 or with_dri3
1157 )
1158 if dep_libdrm.found()
1159   pre_args += '-DHAVE_LIBDRM'
1160   if with_dri_platform == 'drm' and with_dri
1161     with_gallium_drisw_kms = true
1162   endif
1163 endif
1164
1165 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1166 llvm_optional_modules = []
1167 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1168   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1169   if with_gallium_r600
1170     llvm_modules += 'asmparser'
1171   endif
1172 endif
1173 if with_gallium_opencl
1174   llvm_modules += [
1175     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1176     'lto', 'option', 'objcarcopts', 'profiledata',
1177   ]
1178   llvm_optional_modules += ['coroutines']
1179 endif
1180
1181 if with_amd_vk or with_gallium_radeonsi
1182   _llvm_version = '>= 7.0.0'
1183 elif with_gallium_swr
1184   _llvm_version = '>= 6.0.0'
1185 elif with_gallium_opencl or with_gallium_r600
1186   _llvm_version = '>= 3.9.0'
1187 else
1188   _llvm_version = '>= 3.3.0'
1189 endif
1190
1191 _shared_llvm = get_option('shared-llvm')
1192
1193 _llvm = get_option('llvm')
1194 dep_llvm = null_dep
1195 with_llvm = false
1196 if _llvm != 'false'
1197   dep_llvm = dependency(
1198     'llvm',
1199     version : _llvm_version,
1200     modules : llvm_modules,
1201     optional_modules : llvm_optional_modules,
1202     required : (
1203       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1204       with_gallium_opencl or _llvm == 'true'
1205     ),
1206     static : not _shared_llvm,
1207   )
1208   with_llvm = dep_llvm.found()
1209 endif
1210 if with_llvm
1211   _llvm_version = dep_llvm.version().split('.')
1212
1213   # 3 digits versions in LLVM only started from 3.4.1 on
1214   if dep_llvm.version().version_compare('>= 3.4.1')
1215     _llvm_patch = _llvm_version[2]
1216   else
1217     _llvm_patch = '0'
1218   endif
1219
1220   pre_args += [
1221     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1222     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1223   ]
1224
1225   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1226   # programs, so we need to build all C++ code in mesa without rtti as well to
1227   # ensure that linking works.
1228   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1229     cpp_args += '-fno-rtti'
1230   endif
1231 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1232   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1233 endif
1234
1235 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1236     (with_gallium_r600 and with_llvm))
1237   dep_elf = dependency('libelf', required : false)
1238   if not dep_elf.found()
1239     dep_elf = cc.find_library('elf')
1240   endif
1241 else
1242   dep_elf = null_dep
1243 endif
1244
1245 dep_glvnd = null_dep
1246 if with_glvnd
1247   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1248   pre_args += '-DUSE_LIBGLVND=1'
1249 endif
1250
1251 if with_valgrind != 'false'
1252   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1253   if dep_valgrind.found()
1254     pre_args += '-DHAVE_VALGRIND'
1255   endif
1256 else
1257   dep_valgrind = null_dep
1258 endif
1259
1260 # pthread stubs. Lets not and say we didn't
1261
1262 prog_bison = find_program('bison', required : with_any_opengl)
1263 prog_flex = find_program('flex', required : with_any_opengl)
1264
1265 dep_selinux = null_dep
1266 if get_option('selinux')
1267   dep_selinux = dependency('libselinux')
1268   pre_args += '-DMESA_SELINUX'
1269 endif
1270
1271 if with_libunwind != 'false'
1272   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1273   if dep_unwind.found()
1274     pre_args += '-DHAVE_LIBUNWIND'
1275   endif
1276 else
1277   dep_unwind = null_dep
1278 endif
1279
1280 if with_osmesa != 'none'
1281   if with_osmesa == 'classic' and not with_dri_swrast
1282     error('OSMesa classic requires dri (classic) swrast.')
1283   endif
1284   if with_osmesa == 'gallium' and not with_gallium_softpipe
1285     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1286   endif
1287   osmesa_lib_name = 'OSMesa'
1288   osmesa_bits = get_option('osmesa-bits')
1289   if osmesa_bits != '8'
1290     if with_dri or with_glx != 'disabled'
1291       error('OSMesa bits must be 8 if building glx or dir based drivers')
1292     endif
1293     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1294     pre_args += [
1295       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1296     ]
1297   endif
1298 endif
1299
1300 # TODO: symbol mangling
1301
1302 if with_platform_wayland
1303   dep_wl_scanner = dependency('wayland-scanner', native: true)
1304   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1305   if dep_wl_scanner.version().version_compare('>= 1.15')
1306     wl_scanner_arg = 'private-code'
1307   else
1308     wl_scanner_arg = 'code'
1309   endif
1310   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1311   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1312   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1313   if with_egl
1314     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1315     dep_wayland_egl_headers = declare_dependency(
1316       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1317   endif
1318   wayland_dmabuf_xml = join_paths(
1319     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1320     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1321   )
1322   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1323 endif
1324
1325 dep_x11 = null_dep
1326 dep_xext = null_dep
1327 dep_xdamage = null_dep
1328 dep_xfixes = null_dep
1329 dep_x11_xcb = null_dep
1330 dep_xcb = null_dep
1331 dep_xcb_glx = null_dep
1332 dep_xcb_dri2 = null_dep
1333 dep_xcb_dri3 = null_dep
1334 dep_dri2proto = null_dep
1335 dep_glproto = null_dep
1336 dep_xxf86vm = null_dep
1337 dep_xcb_dri3 = null_dep
1338 dep_xcb_present = null_dep
1339 dep_xcb_sync = null_dep
1340 dep_xcb_xfixes = null_dep
1341 dep_xshmfence = null_dep
1342 dep_xcb_xrandr = null_dep
1343 dep_xlib_xrandr = null_dep
1344 if with_platform_x11
1345   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1346     dep_x11 = dependency('x11')
1347     dep_xext = dependency('xext')
1348     dep_xcb = dependency('xcb')
1349   elif with_glx == 'dri'
1350     dep_x11 = dependency('x11')
1351     dep_xext = dependency('xext')
1352     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1353     dep_xfixes = dependency('xfixes')
1354     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1355   endif
1356   if (with_any_vk or with_glx == 'dri' or
1357        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1358         with_gallium_omx != 'disabled'))
1359     dep_xcb = dependency('xcb')
1360     dep_x11_xcb = dependency('x11-xcb')
1361   endif
1362   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1363     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1364
1365     if with_dri3
1366       pre_args += '-DHAVE_DRI3'
1367       dep_xcb_dri3 = dependency('xcb-dri3')
1368       dep_xcb_present = dependency('xcb-present')
1369       # until xcb-dri3 has been around long enough to make a hard-dependency:
1370       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1371           dep_xcb_present.version().version_compare('>= 1.13'))
1372         pre_args += '-DHAVE_DRI3_MODIFIERS'
1373       endif
1374       dep_xcb_sync = dependency('xcb-sync')
1375       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1376     endif
1377   endif
1378   if with_glx == 'dri'
1379     if with_dri_platform == 'drm'
1380       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1381       dep_xxf86vm = dependency('xxf86vm')
1382     endif
1383     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1384   endif
1385   if (with_egl or (
1386       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1387       with_gallium_omx != 'disabled'))
1388     dep_xcb_xfixes = dependency('xcb-xfixes')
1389   endif
1390   if with_xlib_lease
1391     dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1392     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1393   endif
1394 endif
1395
1396 if get_option('gallium-extra-hud')
1397   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1398 endif
1399
1400 _sensors = get_option('lmsensors')
1401 if _sensors != 'false'
1402   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1403   if dep_lmsensors.found()
1404     pre_args += '-DHAVE_LIBSENSORS=1'
1405   endif
1406 else
1407   dep_lmsensors = null_dep
1408 endif
1409
1410 foreach a : pre_args
1411   add_project_arguments(a, language : ['c', 'cpp'])
1412 endforeach
1413 foreach a : c_args
1414   add_project_arguments(a, language : ['c'])
1415 endforeach
1416 foreach a : cpp_args
1417   add_project_arguments(a, language : ['cpp'])
1418 endforeach
1419
1420 inc_include = include_directories('include')
1421
1422 gl_priv_reqs = []
1423
1424 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1425   gl_priv_reqs += ['x11', 'xext', 'xcb']
1426 elif with_glx == 'dri'
1427   gl_priv_reqs += [
1428     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1429     'xcb-glx >= 1.8.1']
1430   if with_dri_platform == 'drm'
1431     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1432     gl_priv_reqs += 'xxf86vm'
1433   endif
1434 endif
1435 if dep_libdrm.found()
1436   gl_priv_reqs += 'libdrm >= 2.4.75'
1437 endif
1438
1439 gl_priv_libs = []
1440 if dep_thread.found()
1441   gl_priv_libs += ['-lpthread', '-pthread']
1442 endif
1443 if dep_m.found()
1444   gl_priv_libs += '-lm'
1445 endif
1446 if dep_dl.found()
1447   gl_priv_libs += '-ldl'
1448 endif
1449
1450 pkg = import('pkgconfig')
1451
1452 env_test = environment()
1453 env_test.set('NM', find_program('nm').path())
1454
1455 subdir('include')
1456 subdir('bin')
1457 subdir('src')