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 : '>= 0.42',
  29   default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
  30 )
  31
  32 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  33
  34 # Arguments for the preprocessor, put these in a separate array from the C and
  35 # C++ (cpp in meson terminology) arguments since they need to be added to the
  36 # default arguments for both C and C++.
  37 pre_args = [
  38   '-D__STDC_CONSTANT_MACROS',
  39   '-D__STDC_FORMAT_MACROS',
  40   '-D__STDC_LIMIT_MACROS',
  41   '-DVERSION="@0@"'.format(meson.project_version()),
  42   '-DPACKAGE_VERSION=VERSION',
  43   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  44 ]
  45
  46 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  47 with_tests = get_option('build-tests')
  48 with_valgrind = get_option('valgrind')
  49 with_libunwind = get_option('libunwind')
  50 with_asm = get_option('asm')
  51 with_osmesa = get_option('osmesa')
  52 with_swr_arches = get_option('swr-arches').split(',')
  53 with_tools = get_option('tools').split(',')
  54 if with_tools.contains('all')
  55   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
  56 endif
  57 if get_option('texture-float')
  58   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  59   message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  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 with_dri = false
  93 with_dri_i915 = false
  94 with_dri_i965 = false
  95 with_dri_r100 = false
  96 with_dri_r200 = false
  97 with_dri_nouveau = false
  98 with_dri_swrast = false
  99 _drivers = get_option('dri-drivers')
 100 if _drivers == 'auto'
 101   if host_machine.system() == 'linux'
 102     # TODO: PPC, Sparc
 103     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 104       _drivers = 'i915,i965,r100,r200,nouveau'
 105     else
 106       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 107     endif
 108   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 109     # only swrast would make sense here, but gallium swrast is a much better default
 110     _drivers = ''
 111   else
 112     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 113   endif
 114 endif
 115 if _drivers != ''
 116   _split = _drivers.split(',')
 117   with_dri_i915 = _split.contains('i915')
 118   with_dri_i965 = _split.contains('i965')
 119   with_dri_r100 = _split.contains('r100')
 120   with_dri_r200 = _split.contains('r200')
 121   with_dri_nouveau = _split.contains('nouveau')
 122   with_dri_swrast = _split.contains('swrast')
 123   with_dri = true
 124 endif
 125
 126 with_gallium = false
 127 with_gallium_pl111 = false
 128 with_gallium_radeonsi = false
 129 with_gallium_r300 = false
 130 with_gallium_r600 = false
 131 with_gallium_nouveau = false
 132 with_gallium_freedreno = false
 133 with_gallium_softpipe = false
 134 with_gallium_vc4 = false
 135 with_gallium_vc5 = false
 136 with_gallium_etnaviv = false
 137 with_gallium_imx = false
 138 with_gallium_tegra = false
 139 with_gallium_i915 = false
 140 with_gallium_svga = false
 141 with_gallium_virgl = false
 142 with_gallium_swr = false
 143 _drivers = get_option('gallium-drivers')
 144 if _drivers == 'auto'
 145   if host_machine.system() == 'linux'
 146     # TODO: PPC, Sparc
 147     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 148       _drivers = 'r300,r600,radeonsi,nouveau,virgl,svga,swrast'
 149     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 150       _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,nouveau,tegra,virgl,svga,swrast'
 151     else
 152       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 153     endif
 154   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 155     _drivers = 'swrast'
 156   else
 157     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 158   endif
 159 endif
 160 if _drivers != ''
 161   _split = _drivers.split(',')
 162   with_gallium_pl111 = _split.contains('pl111')
 163   with_gallium_radeonsi = _split.contains('radeonsi')
 164   with_gallium_r300 = _split.contains('r300')
 165   with_gallium_r600 = _split.contains('r600')
 166   with_gallium_nouveau = _split.contains('nouveau')
 167   with_gallium_freedreno = _split.contains('freedreno')
 168   with_gallium_softpipe = _split.contains('swrast')
 169   with_gallium_vc4 = _split.contains('vc4')
 170   with_gallium_vc5 = _split.contains('vc5')
 171   with_gallium_etnaviv = _split.contains('etnaviv')
 172   with_gallium_imx = _split.contains('imx')
 173   with_gallium_tegra = _split.contains('tegra')
 174   with_gallium_i915 = _split.contains('i915')
 175   with_gallium_svga = _split.contains('svga')
 176   with_gallium_virgl = _split.contains('virgl')
 177   with_gallium_swr = _split.contains('swr')
 178   with_gallium = true
 179   if system_has_kms_drm
 180     _glx = get_option('glx')
 181     _egl = get_option('egl')
 182     if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 183       with_dri = true
 184     endif
 185   endif
 186 endif
 187
 188 with_intel_vk = false
 189 with_amd_vk = false
 190 with_any_vk = false
 191 _vulkan_drivers = get_option('vulkan-drivers')
 192 if _vulkan_drivers == 'auto'
 193   if host_machine.system() == 'linux'
 194     if host_machine.cpu_family().startswith('x86')
 195       _vulkan_drivers = 'amd,intel'
 196     else
 197       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 198     endif
 199   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 200     # No vulkan driver supports windows or macOS currently
 201     _vulkan_drivers = ''
 202   else
 203     error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 204   endif
 205 endif
 206 if _vulkan_drivers != ''
 207   _split = _vulkan_drivers.split(',')
 208   with_intel_vk = _split.contains('intel')
 209   with_amd_vk = _split.contains('amd')
 210   with_any_vk = with_amd_vk or with_intel_vk
 211 endif
 212
 213 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 214   error('Only one swrast provider can be built')
 215 endif
 216 if with_dri_i915 and with_gallium_i915
 217   error('Only one i915 provider can be built')
 218 endif
 219 if with_gallium_imx and not with_gallium_etnaviv
 220   error('IMX driver requires etnaviv driver')
 221 endif
 222 if with_gallium_pl111 and not with_gallium_vc4
 223   error('pl111 driver requires vc4 driver')
 224 endif
 225 if with_gallium_tegra and not with_gallium_nouveau
 226   error('tegra driver requires nouveau driver')
 227 endif
 228
 229 dep_libdrm_intel = []
 230 if with_dri_i915 or with_gallium_i915
 231   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 232 endif
 233
 234 if host_machine.system() == 'darwin'
 235   with_dri_platform = 'apple'
 236 elif ['windows', 'cygwin'].contains(host_machine.system())
 237   with_dri_platform = 'windows'
 238 elif system_has_kms_drm
 239   with_dri_platform = 'drm'
 240 else
 241   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 242   # assert here that one of those cases has been met.
 243   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 244   # support Hurd at time of writing (2017/11)
 245   # FIXME: illumos ends up here as well
 246   with_dri_platform = 'none'
 247 endif
 248
 249 with_platform_android = false
 250 with_platform_wayland = false
 251 with_platform_x11 = false
 252 with_platform_drm = false
 253 with_platform_surfaceless = false
 254 egl_native_platform = ''
 255 _platforms = get_option('platforms')
 256 if _platforms == 'auto'
 257   if system_has_kms_drm
 258     _platforms = 'x11,wayland,drm,surfaceless'
 259   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 260     _platforms = 'x11,surfaceless'
 261   elif ['haiku'].contains(host_machine.system())
 262     _platforms = 'haiku'
 263   else
 264     error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
 265   endif
 266 endif
 267 if _platforms != ''
 268   _split = _platforms.split(',')
 269   with_platform_android = _split.contains('android')
 270   with_platform_x11 = _split.contains('x11')
 271   with_platform_wayland = _split.contains('wayland')
 272   with_platform_drm = _split.contains('drm')
 273   with_platform_haiku = _split.contains('haiku')
 274   with_platform_surfaceless = _split.contains('surfaceless')
 275   egl_native_platform = _split[0]
 276 endif
 277
 278 with_glx = get_option('glx')
 279 if with_glx == 'auto'
 280   if with_dri
 281     with_glx = 'dri'
 282   elif with_platform_haiku
 283     with_glx = 'disabled'
 284   elif with_gallium
 285     # Even when building just gallium drivers the user probably wants dri
 286     with_glx = 'dri'
 287     with_dri = true
 288   elif with_platform_x11 and with_any_opengl and not with_any_vk
 289     # The automatic behavior should not be to turn on xlib based glx when
 290     # building only vulkan drivers
 291     with_glx = 'xlib'
 292   else
 293     with_glx = 'disabled'
 294   endif
 295 endif
 296
 297 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 298   with_gles1 = false
 299   with_gles2 = false
 300   with_opengl = false
 301   with_any_opengl = false
 302   with_shared_glapi = false
 303 endif
 304
 305 _gbm = get_option('gbm')
 306 if _gbm == 'auto'
 307   with_gbm = system_has_kms_drm and with_dri
 308 else
 309   with_gbm = _gbm == 'true'
 310 endif
 311 if with_gbm and not system_has_kms_drm
 312   error('GBM only supports DRM/KMS platforms')
 313 endif
 314
 315 _egl = get_option('egl')
 316 if _egl == 'auto'
 317   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 318 elif _egl == 'true'
 319   if not with_dri
 320     error('EGL requires dri')
 321   elif not with_shared_glapi
 322     error('EGL requires shared-glapi')
 323   elif egl_native_platform == ''
 324     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 325   elif not ['disabled', 'dri'].contains(with_glx)
 326     error('EGL requires dri, but a GLX is being built without dri')
 327   endif
 328   with_egl = true
 329 else
 330   with_egl = false
 331 endif
 332
 333 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 334   if with_gallium_radeonsi
 335     error('RadeonSI requires drm or surfaceless platform when using EGL')
 336   endif
 337   if with_gallium_virgl
 338     error('Virgl requires drm or surfaceless platform when using EGL')
 339   endif
 340 endif
 341
 342 pre_args += '-DGLX_USE_TLS'
 343 if with_glx != 'disabled'
 344   if not (with_platform_x11 and with_any_opengl)
 345     if with_glx == 'auto'
 346       with_glx = 'disabled'
 347     else
 348       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 349     endif
 350   elif with_glx == 'gallium-xlib'
 351     if not with_gallium
 352       error('Gallium-xlib based GLX requires at least one gallium driver')
 353     elif not with_gallium_softpipe
 354       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 355     elif with_dri
 356       error('gallium-xlib conflicts with any dri driver')
 357     endif
 358   elif with_glx == 'xlib'
 359     if with_dri
 360       error('xlib conflicts with any dri driver')
 361     endif
 362   elif with_glx == 'dri' and not with_dri
 363     error('dri based GLX requires at least one DRI driver')
 364   endif
 365 endif
 366
 367 with_glvnd = get_option('glvnd')
 368 if with_glvnd
 369   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 370     error('Cannot build glvnd support for GLX that is not DRI based.')
 371   elif with_glx == 'disabled' and not with_egl
 372     error('glvnd requires DRI based GLX and/or EGL')
 373   endif
 374 endif
 375
 376 # TODO: toggle for this
 377 with_glx_direct = true
 378
 379 if with_vulkan_icd_dir == ''
 380   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 381 endif
 382
 383 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 384 _dri3 = get_option('dri3')
 385 if _dri3 == 'auto'
 386   with_dri3 = system_has_kms_drm and with_dri2
 387 else
 388   with_dri3 = _dri3 == 'true'
 389 endif
 390
 391 if with_any_vk and (with_platform_x11 and not with_dri3)
 392   error('Vulkan drivers require dri3 for X11 support')
 393 endif
 394 if with_dri or with_gallium
 395   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 396     error('building dri or gallium drivers require at least one window system')
 397   endif
 398 endif
 399
 400 prog_pkgconfig = find_program('pkg-config')
 401
 402 _vdpau = get_option('gallium-vdpau')
 403 if not system_has_kms_drm
 404   if _vdpau == 'true'
 405     error('VDPAU state tracker can only be build on unix-like OSes.')
 406   else
 407     _vdpau = 'false'
 408   endif
 409 elif not with_platform_x11
 410   if _vdpau == 'true'
 411     error('VDPAU state tracker requires X11 support.')
 412   else
 413     _vdpau = 'false'
 414   endif
 415 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 416           with_gallium_nouveau)
 417   if _vdpau == 'true'
 418     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 419   else
 420     _vdpau = 'false'
 421   endif
 422 elif _vdpau == 'auto'
 423   _vdpau = 'true'
 424 endif
 425 with_gallium_vdpau = _vdpau == 'true'
 426 dep_vdpau = []
 427 if with_gallium_vdpau
 428   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 429   dep_vdpau = declare_dependency(
 430     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 431   )
 432 endif
 433
 434 if with_gallium_vdpau
 435   pre_args += '-DHAVE_ST_VDPAU'
 436 endif
 437 vdpau_drivers_path = get_option('vdpau-libs-path')
 438 if vdpau_drivers_path == ''
 439   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 440 endif
 441
 442 _xvmc = get_option('gallium-xvmc')
 443 if not system_has_kms_drm
 444   if _xvmc == 'true'
 445     error('XVMC state tracker can only be build on unix-like OSes.')
 446   else
 447     _xvmc = 'false'
 448   endif
 449 elif not with_platform_x11
 450   if _xvmc == 'true'
 451     error('XVMC state tracker requires X11 support.')
 452   else
 453     _xvmc = 'false'
 454   endif
 455 elif not (with_gallium_r600 or with_gallium_nouveau)
 456   if _xvmc == 'true'
 457     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 458   else
 459     _xvmc = 'false'
 460   endif
 461 elif _xvmc == 'auto'
 462   _xvmc = 'true'
 463 endif
 464 with_gallium_xvmc = _xvmc == 'true'
 465 dep_xvmc = []
 466 if with_gallium_xvmc
 467   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 468 endif
 469
 470 xvmc_drivers_path = get_option('xvmc-libs-path')
 471 if xvmc_drivers_path == ''
 472   xvmc_drivers_path = get_option('libdir')
 473 endif
 474
 475 _omx = get_option('gallium-omx')
 476 if not system_has_kms_drm
 477   if ['auto', 'disabled'].contains(_omx)
 478     _omx = 'disabled'
 479   else
 480     error('OMX state tracker can only be built on unix-like OSes.')
 481   endif
 482 elif not (with_platform_x11 or with_platform_drm)
 483   if ['auto', 'disabled'].contains(_omx)
 484     _omx = 'disabled'
 485   else
 486     error('OMX state tracker requires X11 or drm platform support.')
 487   endif
 488 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 489   if ['auto', 'disabled'].contains(_omx)
 490     _omx = 'disabled'
 491   else
 492     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 493   endif
 494 endif
 495 with_gallium_omx = _omx
 496 dep_omx = []
 497 dep_omx_other = []
 498 if with_gallium_omx == 'bellagio' or with_gallium_omx == 'auto'
 499   dep_omx = dependency(
 500     'libomxil-bellagio', required : with_gallium_omx == 'bellagio'
 501   )
 502   if dep_omx.found()
 503     pre_args += '-DENABLE_ST_OMX_BELLAGIO'
 504     with_gallium_omx = 'bellagio'
 505   endif
 506 endif
 507 if with_gallium_omx == 'tizonia' or with_gallium_omx == 'auto'
 508   if not (with_dri and with_egl)
 509     if with_gallium_omx == 'tizonia'
 510       error('OMX-Tizonia state tracker requires dri and egl')
 511     else
 512       with_gallium_omx == 'disabled'
 513     endif
 514   else
 515     dep_omx = dependency(
 516       'libtizonia', version : '>= 0.10.0',
 517       required : with_gallium_omx == 'tizonia',
 518     )
 519     dep_omx_other = [
 520       dependency('libtizplatform', required : with_gallium_omx == 'tizonia'),
 521       dependency('tizilheaders', required : with_gallium_omx == 'tizonia'),
 522     ]
 523     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 524       pre_args += '-DENABLE_ST_OMX_TIZONIA'
 525       with_gallium_omx = 'tizonia'
 526     else
 527       with_gallium_omx = 'disabled'
 528     endif
 529   endif
 530 endif
 531
 532 omx_drivers_path = get_option('omx-libs-path')
 533 if with_gallium_omx != 'disabled'
 534   # Figure out where to put the omx driver.
 535   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 536   # argument to meson's get_pkgconfig_variable method.
 537   if omx_drivers_path == ''
 538     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 539     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 540     if _omx_libdir == get_option('libdir')
 541       omx_drivers_path = _omx_drivers_dir
 542     else
 543       _omx_base_dir = []
 544       # This will fail on windows. Does OMX run on windows?
 545       _omx_libdir = _omx_libdir.split('/')
 546       _omx_drivers_dir = _omx_drivers_dir.split('/')
 547       foreach o : _omx_drivers_dir
 548         if not _omx_libdir.contains(o)
 549           _omx_base_dir += o
 550         endif
 551       endforeach
 552       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 553     endif
 554   endif
 555 endif
 556
 557 _va = get_option('gallium-va')
 558 if not system_has_kms_drm
 559   if _va == 'true'
 560     error('VA state tracker can only be built on unix-like OSes.')
 561   else
 562     _va = 'false'
 563   endif
 564 elif not (with_platform_x11 or with_platform_drm)
 565   if _va == 'true'
 566     error('VA state tracker requires X11 or drm or wayland platform support.')
 567   else
 568     _va = 'false'
 569   endif
 570 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 571   if _va == 'true'
 572     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 573   else
 574     _va = 'false'
 575   endif
 576 elif _va == 'auto'
 577   _va = 'true'
 578 endif
 579 with_gallium_va = _va == 'true'
 580 dep_va = []
 581 if with_gallium_va
 582   dep_va = dependency('libva', version : '>= 0.38.0')
 583   dep_va_headers = declare_dependency(
 584     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 585   )
 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 on 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 _opencl = get_option('gallium-opencl')
 629 if _opencl != 'disabled'
 630   if not with_gallium
 631     error('OpenCL Clover implementation requires at least one gallium driver.')
 632   endif
 633
 634   # TODO: alitvec?
 635   dep_clc = dependency('libclc')
 636   with_gallium_opencl = true
 637   with_opencl_icd = _opencl == 'icd'
 638 else
 639   dep_clc = []
 640   with_gallium_opencl = false
 641   with_gallium_icd = false
 642 endif
 643
 644 gl_pkgconfig_c_flags = []
 645 if with_platform_x11
 646   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 647     pre_args += '-DHAVE_X11_PLATFORM'
 648   endif
 649   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 650     pre_args += '-DUSE_XSHM'
 651   else
 652     pre_args += '-DGLX_INDIRECT_RENDERING'
 653     if with_glx_direct
 654       pre_args += '-DGLX_DIRECT_RENDERING'
 655     endif
 656     if with_dri_platform == 'drm'
 657       pre_args += '-DGLX_USE_DRM'
 658     elif with_dri_platform == 'apple'
 659       pre_args += '-DGLX_USE_APPLEGL'
 660     elif with_dri_platform == 'windows'
 661       pre_args += '-DGLX_USE_WINDOWSGL'
 662     endif
 663   endif
 664 else
 665   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 666   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 667 endif
 668 if with_platform_drm
 669   if with_egl and not with_gbm
 670     error('EGL drm platform requires gbm')
 671   endif
 672   pre_args += '-DHAVE_DRM_PLATFORM'
 673 endif
 674 if with_platform_surfaceless
 675   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 676 endif
 677 if with_platform_android
 678   dep_android = [
 679     dependency('cutils'),
 680     dependency('hardware'),
 681     dependency('sync'),
 682   ]
 683   pre_args += '-DHAVE_ANDROID_PLATFORM'
 684 endif
 685 if with_platform_haiku
 686   pre_args += '-DHAVE_HAIKU_PLATFORM'
 687 endif
 688
 689 prog_python2 = find_program('python2')
 690 has_mako = run_command(prog_python2, '-c', 'import mako')
 691 if has_mako.returncode() != 0
 692   error('Python (2.x) mako module required to build mesa.')
 693 endif
 694
 695 cc = meson.get_compiler('c')
 696 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 697   error('When using GCC, version 4.4.6 or later is required.')
 698 endif
 699
 700 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 701 if get_option('buildtype') == 'debug'
 702   pre_args += '-DDEBUG'
 703 endif
 704
 705 if get_option('shader-cache')
 706   pre_args += '-DENABLE_SHADER_CACHE'
 707 elif with_amd_vk
 708   error('Radv requires shader cache support')
 709 endif
 710
 711 # Check for GCC style builtins
 712 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 713              'ffsll', 'popcount', 'popcountll', 'unreachable']
 714   if cc.has_function(b)
 715     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 716   endif
 717 endforeach
 718
 719 # check for GCC __attribute__
 720 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 721              'warn_unused_result', 'weak',]
 722   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 723                  name : '__attribute__((@0@))'.format(a))
 724     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 725   endif
 726 endforeach
 727 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 728                name : '__attribute__((format(...)))')
 729   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 730 endif
 731 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 732                name : '__attribute__((packed))')
 733   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 734 endif
 735 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 736                name : '__attribute__((returns_nonnull))')
 737   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 738 endif
 739 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 740                   int foo_hid(void) __attribute__((visibility("hidden")));
 741                   int foo_int(void) __attribute__((visibility("internal")));
 742                   int foo_pro(void) __attribute__((visibility("protected")));''',
 743                name : '__attribute__((visibility(...)))')
 744   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 745 endif
 746 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 747                name : '__attribute__((alias(...)))')
 748   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 749 endif
 750 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 751                name : '__attribute__((__noreturn__))')
 752   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 753 endif
 754
 755 # TODO: this is very incomplete
 756 if ['linux', 'cygwin'].contains(host_machine.system())
 757   pre_args += '-D_GNU_SOURCE'
 758 endif
 759
 760 # Check for generic C arguments
 761 c_args = []
 762 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 763              '-Werror=missing-prototypes', '-fno-math-errno',
 764              '-fno-trapping-math', '-Qunused-arguments']
 765   if cc.has_argument(a)
 766     c_args += a
 767   endif
 768 endforeach
 769 c_vis_args = []
 770 if cc.has_argument('-fvisibility=hidden')
 771   c_vis_args += '-fvisibility=hidden'
 772 endif
 773
 774 # Check for generic C++ arguments
 775 cpp = meson.get_compiler('cpp')
 776 cpp_args = []
 777 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 778              '-Qunused-arguments']
 779   if cpp.has_argument(a)
 780     cpp_args += a
 781   endif
 782 endforeach
 783
 784 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 785 # option is not supported. Hence, check for -Wfoo instead.
 786 if cpp.has_argument('-Wnon-virtual-dtor')
 787   cpp_args += '-Wno-non-virtual-dtor'
 788 endif
 789
 790 no_override_init_args = []
 791 foreach a : ['override-init', 'initializer-overrides']
 792   if cc.has_argument('-W' + a)
 793     no_override_init_args += '-Wno-' + a
 794   endif
 795 endforeach
 796
 797 cpp_vis_args = []
 798 if cpp.has_argument('-fvisibility=hidden')
 799   cpp_vis_args += '-fvisibility=hidden'
 800 endif
 801
 802 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 803 # in parts of the mesa code base that need to compile with old versions of
 804 # MSVC, mainly common code
 805 c_msvc_compat_args = []
 806 cpp_msvc_compat_args = []
 807 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 808   if cc.has_argument(a)
 809     c_msvc_compat_args += a
 810   endif
 811   if cpp.has_argument(a)
 812     cpp_msvc_compat_args += a
 813   endif
 814 endforeach
 815
 816 if host_machine.cpu_family().startswith('x86')
 817   pre_args += '-DUSE_SSE41'
 818   with_sse41 = true
 819   sse41_args = ['-msse4.1']
 820
 821   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 822   # that's not guaranteed
 823   if host_machine.cpu_family() == 'x86'
 824     sse41_args += '-mstackrealign'
 825   endif
 826 else
 827   with_sse41 = false
 828   sse41_args = []
 829 endif
 830
 831 # Check for GCC style atomics
 832 dep_atomic = declare_dependency()
 833
 834 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 835                name : 'GCC atomic builtins')
 836   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 837
 838   # Not all atomic calls can be turned into lock-free instructions, in which
 839   # GCC will make calls into the libatomic library. Check whether we need to
 840   # link with -latomic.
 841   #
 842   # This can happen for 64-bit atomic operations on 32-bit architectures such
 843   # as ARM.
 844   if not cc.links('''#include <stdint.h>
 845                      int main() {
 846                        uint64_t n;
 847                        return (int)__atomic_load_n(&n, __ATOMIC_ACQUIRE);
 848                      }''',
 849                   name : 'GCC atomic builtins required -latomic')
 850     dep_atomic = cc.find_library('atomic')
 851   endif
 852 endif
 853 if not cc.links('''#include <stdint.h>
 854                    uint64_t v;
 855                    int main() {
 856                      return __sync_add_and_fetch(&v, (uint64_t)1);
 857                    }''',
 858                 name : 'GCC 64bit atomics')
 859   pre_args += '-DMISSING_64_BIT_ATOMICS'
 860 endif
 861
 862 # TODO: endian
 863 # TODO: powr8
 864 # TODO: shared/static? Is this even worth doing?
 865
 866 # Building x86 assembly code requires running x86 binaries. It is possible for
 867 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 868 # TODO: it should be possible to use an exe_wrapper to run the binary during
 869 # the build.
 870 if meson.is_cross_build()
 871   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 872           and build_machine.system() == host_machine.system())
 873     message('Cross compiling to x86 from non-x86, disabling asm')
 874     with_asm = false
 875   endif
 876 endif
 877
 878 with_asm_arch = ''
 879 if with_asm
 880   # TODO: SPARC and PPC
 881   if host_machine.cpu_family() == 'x86'
 882     if system_has_kms_drm
 883       with_asm_arch = 'x86'
 884       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 885                    '-DUSE_SSE_ASM']
 886     endif
 887   elif host_machine.cpu_family() == 'x86_64'
 888     if system_has_kms_drm
 889       with_asm_arch = 'x86_64'
 890       pre_args += ['-DUSE_X86_64_ASM']
 891     endif
 892   elif host_machine.cpu_family() == 'arm'
 893     if system_has_kms_drm
 894       with_asm_arch = 'arm'
 895       pre_args += ['-DUSE_ARM_ASM']
 896     endif
 897   elif host_machine.cpu_family() == 'aarch64'
 898     if system_has_kms_drm
 899       with_asm_arch = 'aarch64'
 900       pre_args += ['-DUSE_AARCH64_ASM']
 901     endif
 902   endif
 903 endif
 904
 905 # Check for standard headers and functions
 906 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 907   pre_args += '-DMAJOR_IN_SYSMACROS'
 908 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 909   pre_args += '-DMAJOR_IN_MKDEV'
 910 endif
 911
 912 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 913   if cc.has_header(h)
 914     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 915   endif
 916 endforeach
 917
 918 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 919   if cc.has_function(f)
 920     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 921   endif
 922 endforeach
 923
 924 # strtod locale support
 925 if cc.links('''
 926     #define _GNU_SOURCE
 927     #include <stdlib.h>
 928     #include <locale.h>
 929     #ifdef HAVE_XLOCALE_H
 930     #include <xlocale.h>
 931     #endif
 932     int main() {
 933       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 934       const char *s = "1.0";
 935       char *end;
 936       double d = strtod_l(s, end, loc);
 937       float f = strtof_l(s, end, loc);
 938       freelocale(loc);
 939       return 0;
 940     }''',
 941     extra_args : pre_args,
 942     name : 'strtod has locale support')
 943   pre_args += '-DHAVE_STRTOD_L'
 944 endif
 945
 946 # Check for some linker flags
 947 ld_args_bsymbolic = []
 948 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 949   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 950 endif
 951 ld_args_gc_sections = []
 952 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 953             args : '-Wl,--gc-sections', name : 'gc-sections')
 954   ld_args_gc_sections += '-Wl,--gc-sections'
 955 endif
 956 with_ld_version_script = false
 957 if cc.links('int main() { return 0; }',
 958             args : '-Wl,--version-script=@0@'.format(
 959               join_paths(meson.source_root(), 'build-support/conftest.map')),
 960             name : 'version-script')
 961   with_ld_version_script = true
 962 endif
 963 with_ld_dynamic_list = false
 964 if cc.links('int main() { return 0; }',
 965             args : '-Wl,--dynamic-list=@0@'.format(
 966               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 967             name : 'dynamic-list')
 968   with_ld_dynamic_list = true
 969 endif
 970 ld_args_build_id = []
 971 if build_machine.system() != 'darwin'
 972    ld_args_build_id += '-Wl,--build-id=sha1'
 973 endif
 974
 975 # check for dl support
 976 if cc.has_function('dlopen')
 977   dep_dl = []
 978 else
 979   dep_dl = cc.find_library('dl')
 980 endif
 981 if cc.has_function('dladdr', dependencies : dep_dl)
 982   # This is really only required for megadrivers
 983   pre_args += '-DHAVE_DLADDR'
 984 endif
 985
 986 if cc.has_function('dl_iterate_phdr')
 987   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 988 elif with_intel_vk
 989   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 990 elif with_dri_i965 and get_option('shader-cache')
 991   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 992 endif
 993
 994 # Determine whether or not the rt library is needed for time functions
 995 if cc.has_function('clock_gettime')
 996   dep_clock = []
 997 else
 998   dep_clock = cc.find_library('rt')
 999 endif
1000
1001 with_gallium_drisw_kms = false
1002 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
1003                         required : with_dri2 or with_dri3)
1004 if dep_libdrm.found()
1005   pre_args += '-DHAVE_LIBDRM'
1006   if with_dri_platform == 'drm' and with_dri
1007     with_gallium_drisw_kms = true
1008   endif
1009 endif
1010
1011 # TODO: some of these may be conditional
1012 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1013 pre_args += '-DHAVE_ZLIB'
1014 dep_thread = dependency('threads')
1015 if dep_thread.found() and host_machine.system() != 'windows'
1016   pre_args += '-DHAVE_PTHREAD'
1017 endif
1018 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1019   dep_elf = dependency('libelf', required : false)
1020   if not dep_elf.found()
1021     dep_elf = cc.find_library('elf')
1022   endif
1023 else
1024   dep_elf = []
1025 endif
1026 dep_expat = dependency('expat')
1027 # this only exists on linux so either this is linux and it will be found, or
1028 # its not linux and and wont
1029 dep_m = cc.find_library('m', required : false)
1030
1031 dep_libdrm_amdgpu = []
1032 dep_libdrm_radeon = []
1033 dep_libdrm_nouveau = []
1034 dep_libdrm_etnaviv = []
1035 dep_libdrm_freedreno = []
1036 if with_amd_vk or with_gallium_radeonsi
1037   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.90')
1038 endif
1039 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1040     with_gallium_r300 or with_gallium_r600)
1041   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
1042 endif
1043 if with_gallium_nouveau or with_dri_nouveau
1044   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
1045 endif
1046 if with_gallium_etnaviv
1047   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
1048 endif
1049 if with_gallium_freedreno
1050   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.91')
1051 endif
1052
1053 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1054 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1055   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1056   if with_gallium_r600
1057     llvm_modules += 'asmparser'
1058   endif
1059 endif
1060 if with_gallium_opencl
1061   llvm_modules += [
1062     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1063     'lto', 'option', 'objcarcopts', 'profiledata',
1064   ]
1065   # TODO: optional modules
1066 endif
1067
1068 if with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1069   _llvm_version = '>= 4.0.0'
1070 elif with_gallium_opencl or with_gallium_r600
1071   _llvm_version = '>= 3.9.0'
1072 else
1073   _llvm_version = '>= 3.3.0'
1074 endif
1075
1076 _llvm = get_option('llvm')
1077 if _llvm == 'auto'
1078   dep_llvm = dependency(
1079     'llvm', version : _llvm_version, modules : llvm_modules,
1080     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1081   )
1082   with_llvm = dep_llvm.found()
1083 elif _llvm == 'true'
1084   dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1085   with_llvm = true
1086 else
1087   dep_llvm = []
1088   with_llvm = false
1089 endif
1090 if with_llvm
1091   _llvm_version = dep_llvm.version().split('.')
1092   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1093   # that for our version checks.
1094   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1095   # strippped as of 0.44, but we support older meson versions.
1096
1097   # 3 digits versions in LLVM only started from 3.4.1 on
1098   if dep_llvm.version().version_compare('>= 3.4.1')
1099     _llvm_patch = _llvm_version[2]
1100   else
1101     _llvm_patch = '0'
1102   endif
1103
1104   if _llvm_patch.endswith('svn')
1105     _llvm_patch = _llvm_patch.split('s')[0]
1106   elif _llvm_patch.contains('git')
1107     _llvm_patch = _llvm_patch.split('g')[0]
1108   endif
1109   pre_args += [
1110     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1111     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1112   ]
1113 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1114   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1115 endif
1116
1117 dep_glvnd = []
1118 if with_glvnd
1119   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1120   pre_args += '-DUSE_LIBGLVND=1'
1121 endif
1122
1123 if with_valgrind != 'false'
1124   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1125   if dep_valgrind.found()
1126     pre_args += '-DHAVE_VALGRIND'
1127   endif
1128 else
1129   dep_valgrind = []
1130 endif
1131
1132 # pthread stubs. Lets not and say we didn't
1133
1134 prog_bison = find_program('bison', required : with_any_opengl)
1135 prog_flex = find_program('flex', required : with_any_opengl)
1136
1137 dep_selinux = []
1138 if get_option('selinux')
1139   dep_selinux = dependency('libselinux')
1140   pre_args += '-DMESA_SELINUX'
1141 endif
1142
1143 # TODO: llvm-prefix and llvm-shared-libs
1144
1145 if with_libunwind != 'false'
1146   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1147   if dep_unwind.found()
1148     pre_args += '-DHAVE_LIBUNWIND'
1149   endif
1150 else
1151   dep_unwind = []
1152 endif
1153
1154 # TODO: gallium-hud
1155
1156 if with_osmesa != 'none'
1157   if with_osmesa == 'classic' and not with_dri_swrast
1158     error('OSMesa classic requires dri (classic) swrast.')
1159   endif
1160   if with_osmesa == 'gallium' and not with_gallium_softpipe
1161     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1162   endif
1163   osmesa_lib_name = 'OSMesa'
1164   osmesa_bits = get_option('osmesa-bits')
1165   if osmesa_bits != '8'
1166     if with_dri or with_glx != 'disabled'
1167       error('OSMesa bits must be 8 if building glx or dir based drivers')
1168     endif
1169     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1170     pre_args += [
1171       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1172     ]
1173   endif
1174 endif
1175
1176 # TODO: symbol mangling
1177
1178 if with_platform_wayland
1179   prog_wl_scanner = find_program('wayland-scanner')
1180   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1181   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1182   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1183   wayland_dmabuf_xml = join_paths(
1184     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1185     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1186   )
1187   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1188 else
1189   prog_wl_scanner = []
1190   dep_wl_protocols = []
1191   dep_wayland_client = []
1192   dep_wayland_server = []
1193   wayland_dmabuf_xml = ''
1194 endif
1195
1196 dep_x11 = []
1197 dep_xext = []
1198 dep_xdamage = []
1199 dep_xfixes = []
1200 dep_x11_xcb = []
1201 dep_xcb = []
1202 dep_xcb_glx = []
1203 dep_xcb_dri2 = []
1204 dep_xcb_dri3 = []
1205 dep_dri2proto = []
1206 dep_glproto = []
1207 dep_xxf86vm = []
1208 dep_xcb_dri3 = []
1209 dep_xcb_present = []
1210 dep_xcb_sync = []
1211 dep_xcb_xfixes = []
1212 dep_xshmfence = []
1213 if with_platform_x11
1214   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1215     dep_x11 = dependency('x11')
1216     dep_xext = dependency('xext')
1217     dep_xcb = dependency('xcb')
1218   elif with_glx == 'dri'
1219     dep_x11 = dependency('x11')
1220     dep_xext = dependency('xext')
1221     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1222     dep_xfixes = dependency('xfixes')
1223     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1224     dep_xxf86vm = dependency('xxf86vm', required : false)
1225   endif
1226   if (with_any_vk or with_glx == 'dri' or
1227        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1228         with_gallium_omx != 'disabled'))
1229     dep_xcb = dependency('xcb')
1230     dep_x11_xcb = dependency('x11-xcb')
1231   endif
1232   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1233     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1234
1235     if with_dri3
1236       pre_args += '-DHAVE_DRI3'
1237       dep_xcb_dri3 = dependency('xcb-dri3', version : '>= 1.13')
1238       dep_xcb_present = dependency('xcb-present', version: '>= 1.13')
1239       dep_xcb_sync = dependency('xcb-sync')
1240       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1241     endif
1242   endif
1243   if with_glx == 'dri'
1244     if with_dri_platform == 'drm'
1245       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1246     endif
1247     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1248   endif
1249   if (with_egl or (
1250       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1251       with_gallium_omx != 'disabled'))
1252     dep_xcb_xfixes = dependency('xcb-xfixes')
1253   endif
1254 endif
1255
1256 if get_option('gallium-extra-hud')
1257   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1258 endif
1259
1260 _sensors = get_option('lmsensors')
1261 if _sensors != 'false'
1262   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1263   if dep_lmsensors.found()
1264     pre_args += '-DHAVE_LIBSENSORS=1'
1265   endif
1266 else
1267   dep_lmsensors = []
1268 endif
1269
1270 # TODO: gallium tests
1271
1272 # TODO: various libdirs
1273
1274 # TODO: gallium driver dirs
1275
1276 # FIXME: this is a workaround for #2326
1277 prog_touch = find_program('touch')
1278 dummy_cpp = custom_target(
1279   'dummy_cpp',
1280   output : 'dummy.cpp',
1281   command : [prog_touch, '@OUTPUT@'],
1282 )
1283
1284 foreach a : pre_args
1285   add_project_arguments(a, language : ['c', 'cpp'])
1286 endforeach
1287 foreach a : c_args
1288   add_project_arguments(a, language : ['c'])
1289 endforeach
1290 foreach a : cpp_args
1291   add_project_arguments(a, language : ['cpp'])
1292 endforeach
1293
1294 inc_include = include_directories('include')
1295
1296 gl_priv_reqs = [
1297   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1298   'xcb-glx >= 1.8.1']
1299 if dep_libdrm.found()
1300   gl_priv_reqs += 'libdrm >= 2.4.75'
1301 endif
1302 if dep_xxf86vm != [] and dep_xxf86vm.found()
1303   gl_priv_reqs += 'xxf86vm'
1304 endif
1305 if with_dri_platform == 'drm'
1306   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1307 endif
1308
1309 gl_priv_libs = []
1310 if dep_thread.found()
1311   gl_priv_libs += ['-lpthread', '-pthread']
1312 endif
1313 if dep_m.found()
1314   gl_priv_libs += '-lm'
1315 endif
1316 if dep_dl != [] and dep_dl.found()
1317   gl_priv_libs += '-ldl'
1318 endif
1319
1320 pkg = import('pkgconfig')
1321
1322 env_test = environment()
1323 env_test.set('NM', find_program('nm').path())
1324
1325 subdir('include')
1326 subdir('bin')
1327 subdir('src')