meson.build

   1 # Copyright © 2017 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 # Arguments for the preprocessor, put these in a separate array from the C and
  33 # C++ (cpp in meson terminology) arguments since they need to be added to the
  34 # default arguments for both C and C++.
  35 pre_args = [
  36   '-D__STDC_CONSTANT_MACROS',
  37   '-D__STDC_FORMAT_MACROS',
  38   '-D__STDC_LIMIT_MACROS',
  39   '-DVERSION="@0@"'.format(meson.project_version()),
  40   '-DPACKAGE_VERSION=VERSION',
  41   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  42 ]
  43
  44 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  45 with_tests = get_option('build-tests')
  46 with_valgrind = get_option('valgrind')
  47 with_libunwind = get_option('libunwind')
  48 with_asm = get_option('asm')
  49 with_osmesa = get_option('osmesa')
  50 with_swr_arches = get_option('swr-arches').split(',')
  51 if get_option('texture-float')
  52   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  53   message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  54 endif
  55
  56 dri_drivers_path = get_option('dri-drivers-path')
  57 if dri_drivers_path == ''
  58   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  59 endif
  60
  61 with_gles1 = get_option('gles1')
  62 with_gles2 = get_option('gles2')
  63 with_opengl = get_option('opengl')
  64 with_any_opengl = with_opengl or with_gles1 or with_gles2
  65 # Only build shared_glapi if at least one OpenGL API is enabled
  66 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  67
  68
  69 # shared-glapi is required if at least two OpenGL APIs are being built
  70 if not with_shared_glapi
  71   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  72       or (with_gles2 and with_opengl))
  73     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  74   endif
  75 endif
  76
  77 # We require OpenGL for OpenGL ES
  78 if (with_gles1 or with_gles2) and not with_opengl
  79   error('building OpenGL ES without OpenGL is not supported.')
  80 endif
  81
  82 with_dri = false
  83 with_dri_i915 = false
  84 with_dri_i965 = false
  85 with_dri_r100 = false
  86 with_dri_r200 = false
  87 with_dri_nouveau = false
  88 with_dri_swrast = false
  89 _drivers = get_option('dri-drivers')
  90 if _drivers == 'auto'
  91   # TODO: PPC, Sparc
  92   if not ['darwin', 'windows'].contains(host_machine.system())
  93     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  94       _drivers = 'i915,i965,r100,r200,nouveau'
  95     else
  96       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
  97     endif
  98   else
  99     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 100   endif
 101 endif
 102 if _drivers != ''
 103   _split = _drivers.split(',')
 104   with_dri_i915 = _split.contains('i915')
 105   with_dri_i965 = _split.contains('i965')
 106   with_dri_r100 = _split.contains('r100')
 107   with_dri_r200 = _split.contains('r200')
 108   with_dri_nouveau = _split.contains('nouveau')
 109   with_dri_swrast = _split.contains('swrast')
 110   with_dri = true
 111 endif
 112
 113 with_gallium = false
 114 with_gallium_pl111 = false
 115 with_gallium_radeonsi = false
 116 with_gallium_r300 = false
 117 with_gallium_r600 = false
 118 with_gallium_nouveau = false
 119 with_gallium_freedreno = false
 120 with_gallium_softpipe = false
 121 with_gallium_vc4 = false
 122 with_gallium_vc5 = false
 123 with_gallium_etnaviv = false
 124 with_gallium_imx = false
 125 with_gallium_i915 = false
 126 with_gallium_svga = false
 127 with_gallium_virgl = false
 128 _drivers = get_option('gallium-drivers')
 129 if _drivers == 'auto'
 130   if not ['darwin', 'windows'].contains(host_machine.system())
 131     # TODO: PPC, Sparc
 132     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 133       _drivers = 'r300,r600,radeonsi,nouveau,virgl,svga,swrast'
 134     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 135       _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,virgl,svga,swrast'
 136     else
 137       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 138     endif
 139   else
 140     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 141   endif
 142 endif
 143 if _drivers != ''
 144   _split = _drivers.split(',')
 145   with_gallium_pl111 = _split.contains('pl111')
 146   with_gallium_radeonsi = _split.contains('radeonsi')
 147   with_gallium_r300 = _split.contains('r300')
 148   with_gallium_r600 = _split.contains('r600')
 149   with_gallium_nouveau = _split.contains('nouveau')
 150   with_gallium_freedreno = _split.contains('freedreno')
 151   with_gallium_softpipe = _split.contains('swrast')
 152   with_gallium_vc4 = _split.contains('vc4')
 153   with_gallium_vc5 = _split.contains('vc5')
 154   with_gallium_etnaviv = _split.contains('etnaviv')
 155   with_gallium_imx = _split.contains('imx')
 156   with_gallium_i915 = _split.contains('i915')
 157   with_gallium_svga = _split.contains('svga')
 158   with_gallium_virgl = _split.contains('virgl')
 159   with_gallium_swr = _split.contains('swr')
 160   with_gallium = true
 161 endif
 162
 163 with_intel_vk = false
 164 with_amd_vk = false
 165 with_any_vk = false
 166 _vulkan_drivers = get_option('vulkan-drivers')
 167 if _vulkan_drivers == 'auto'
 168   if not ['darwin', 'windows'].contains(host_machine.system())
 169     if host_machine.cpu_family().startswith('x86')
 170       _vulkan_drivers = 'amd,intel'
 171     else
 172       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 173     endif
 174   else
 175     # No vulkan driver supports windows or macOS currently
 176     _vulkan_drivers = ''
 177   endif
 178 endif
 179 if _vulkan_drivers != ''
 180   _split = _vulkan_drivers.split(',')
 181   with_intel_vk = _split.contains('intel')
 182   with_amd_vk = _split.contains('amd')
 183   with_any_vk = with_amd_vk or with_intel_vk
 184 endif
 185
 186 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 187   error('Only one swrast provider can be built')
 188 endif
 189 if with_dri_i915 and with_gallium_i915
 190   error('Only one i915 provider can be built')
 191 endif
 192 if with_gallium_imx and not with_gallium_etnaviv
 193   error('IMX driver requires etnaviv driver')
 194 endif
 195 if with_gallium_pl111 and not with_gallium_vc4
 196   error('pl111 driver requires vc4 driver')
 197 endif
 198
 199 dep_libdrm_intel = []
 200 if with_dri_i915 or with_gallium_i915
 201   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 202 endif
 203
 204 if host_machine.system() == 'darwin'
 205   with_dri_platform = 'apple'
 206 elif ['windows', 'cygwin'].contains(host_machine.system())
 207   with_dri_platform = 'windows'
 208 elif host_machine.system() == 'linux'
 209   # FIXME: This should include BSD and possibly other systems
 210   with_dri_platform = 'drm'
 211 else
 212   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 213   # assert here that one of those cases has been met.
 214   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 215   # support Hurd at time of writing (2017/11)
 216   with_dri_platform = 'none'
 217 endif
 218
 219 with_platform_android = false
 220 with_platform_wayland = false
 221 with_platform_x11 = false
 222 with_platform_drm = false
 223 with_platform_surfaceless = false
 224 egl_native_platform = ''
 225 _platforms = get_option('platforms')
 226 if _platforms == 'auto'
 227   if ['linux'].contains(host_machine.system())
 228     _platforms = 'x11,wayland,drm,surfaceless'
 229   else
 230     error('Unknown OS, no platforms enabled. Patches gladly accepted to fix this.')
 231   endif
 232 endif
 233 if _platforms != ''
 234   _split = _platforms.split(',')
 235   with_platform_android = _split.contains('android')
 236   with_platform_x11 = _split.contains('x11')
 237   with_platform_wayland = _split.contains('wayland')
 238   with_platform_drm = _split.contains('drm')
 239   with_platform_surfaceless = _split.contains('surfaceless')
 240   egl_native_platform = _split[0]
 241 endif
 242
 243 with_glx = get_option('glx')
 244 if with_glx == 'auto'
 245   if with_dri
 246     with_glx = 'dri'
 247   elif with_gallium
 248     # Even when building just gallium drivers the user probably wants dri
 249     with_glx = 'dri'
 250     with_dri = true
 251   elif with_platform_x11 and with_any_opengl and not with_any_vk
 252     # The automatic behavior should not be to turn on xlib based glx when
 253     # building only vulkan drivers
 254     with_glx = 'xlib'
 255   else
 256     with_glx = 'disabled'
 257   endif
 258 endif
 259
 260 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 261   with_gles1 = false
 262   with_gles2 = false
 263   with_opengl = false
 264   with_any_opengl = false
 265   with_shared_glapi = false
 266 endif
 267
 268 with_gbm = get_option('gbm')
 269 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 270   with_gbm = host_machine.system() == 'linux'
 271 elif with_gbm == 'true'
 272   if not ['linux', 'bsd'].contains(host_machine.system())
 273     error('GBM only supports unix-like platforms')
 274   endif
 275   with_gbm = true
 276 else
 277   with_gbm = false
 278 endif
 279
 280 _egl = get_option('egl')
 281 if _egl == 'auto'
 282   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 283 elif _egl == 'true'
 284   if not with_dri
 285     error('EGL requires dri')
 286   elif not with_shared_glapi
 287     error('EGL requires shared-glapi')
 288   elif egl_native_platform == ''
 289     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 290   endif
 291   with_egl = true
 292 else
 293   with_egl = false
 294 endif
 295
 296 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 297   if with_gallium_radeonsi
 298     error('RadeonSI requires drm or surfaceless platform when using EGL')
 299   endif
 300   if with_gallium_virgl
 301     error('Virgl requires drm or surfaceless platform when using EGL')
 302   endif
 303 endif
 304
 305 pre_args += '-DGLX_USE_TLS'
 306 if with_glx != 'disabled'
 307   if not (with_platform_x11 and with_any_opengl)
 308     if with_glx == 'auto'
 309       with_glx = 'disabled'
 310     else
 311       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 312     endif
 313   elif with_glx == 'gallium-xlib'
 314     if not with_gallium
 315       error('Gallium-xlib based GLX requires at least one gallium driver')
 316     elif not with_gallium_softpipe
 317       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 318     elif with_dri
 319       error('gallium-xlib conflicts with any dri driver')
 320     endif
 321   elif with_glx == 'xlib'
 322     if with_dri
 323       error('xlib conflicts with any dri driver')
 324     endif
 325   elif with_glx == 'dri' and not with_dri
 326     error('dri based GLX requires at least one DRI driver')
 327   endif
 328 endif
 329
 330 with_glvnd = get_option('glvnd')
 331 if with_glvnd
 332   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 333     error('Cannot build glvnd support for GLX that is not DRI based.')
 334   elif with_glx == 'disabled' and not with_egl
 335     error('glvnd requires DRI based GLX and/or EGL')
 336   endif
 337 endif
 338
 339 # TODO: toggle for this
 340 with_glx_direct = true
 341
 342 if with_vulkan_icd_dir == ''
 343   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 344 endif
 345
 346 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 347 with_dri3 = get_option('dri3')
 348 if with_dri3 == 'auto'
 349   if host_machine.system() == 'linux' and with_dri2
 350     with_dri3 = true
 351   else
 352     with_dri3 = false
 353  endif
 354 elif with_dri3 == 'true'
 355   with_dri3 = true
 356 else
 357   with_dri3 = false
 358 endif
 359
 360 if with_any_vk and (with_platform_x11 and not with_dri3)
 361   error('Vulkan drivers require dri3 for X11 support')
 362 endif
 363 if with_dri or with_gallium
 364   if with_glx == 'disabled' and not with_egl
 365     error('building dri or gallium drivers require at least one window system')
 366   endif
 367 endif
 368
 369 dep_vdpau = []
 370 _vdpau = get_option('gallium-vdpau')
 371 if _vdpau == 'auto'
 372   if not ['linux', 'bsd'].contains(host_machine.system())
 373     with_gallium_vdpau = false
 374   elif not with_platform_x11
 375     with_gallium_vdpau = false
 376   elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 377             with_gallium_nouveau)
 378     with_gallium_vdpau = false
 379   else
 380     dep_vdpau = dependency('vdpau', version : '>= 1.1', required : false)
 381     with_gallium_vdpau = dep_vdpau.found()
 382   endif
 383 elif _vdpau == 'true'
 384   if not ['linux', 'bsd'].contains(host_machine.system())
 385     error('VDPAU state tracker can only be build on unix-like OSes.')
 386   elif not with_platform_x11
 387     error('VDPAU state tracker requires X11 support.')
 388     with_gallium_vdpau = false
 389   elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 390             with_gallium_nouveau)
 391     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 392   endif
 393   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 394   with_gallium_vdpau = true
 395 else
 396   with_gallium_vdpau = false
 397 endif
 398 if with_gallium_vdpau
 399   dep_vdpau = declare_dependency(
 400     compile_args : dep_vdpau.get_pkgconfig_variable('cflags').split()
 401   )
 402 endif
 403
 404 if with_gallium_vdpau
 405   pre_args += '-DHAVE_ST_VDPAU'
 406 endif
 407 vdpau_drivers_path = get_option('vdpau-libs-path')
 408 if vdpau_drivers_path == ''
 409   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 410 endif
 411
 412 dep_xvmc = []
 413 _xvmc = get_option('gallium-xvmc')
 414 if _xvmc == 'auto'
 415   if not ['linux', 'bsd'].contains(host_machine.system())
 416     with_gallium_xvmc = false
 417   elif not with_platform_x11
 418     with_gallium_xvmc = false
 419   elif not (with_gallium_r600 or with_gallium_nouveau)
 420     with_gallium_xvmc = false
 421   else
 422     dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : false)
 423     with_gallium_xvmc = dep_xvmc.found()
 424   endif
 425 elif _xvmc == 'true'
 426   if not ['linux', 'bsd'].contains(host_machine.system())
 427     error('XVMC state tracker can only be build on unix-like OSes.')
 428   elif not with_platform_x11
 429     error('XVMC state tracker requires X11 support.')
 430     with_gallium_xvmc = false
 431   elif not (with_gallium_r600 or with_gallium_nouveau)
 432     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 433   endif
 434   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 435   with_gallium_xvmc = true
 436 else
 437   with_gallium_xvmc = false
 438 endif
 439 if with_gallium_xvmc
 440   dep_xvmc = declare_dependency(
 441     compile_args : dep_xvmc.get_pkgconfig_variable('cflags').split()
 442   )
 443 endif
 444
 445 xvmc_drivers_path = get_option('xvmc-libs-path')
 446 if xvmc_drivers_path == ''
 447   xvmc_drivers_path = get_option('libdir')
 448 endif
 449
 450 dep_omx = []
 451 _omx = get_option('gallium-omx')
 452 if _omx == 'auto'
 453   if not ['linux', 'bsd'].contains(host_machine.system())
 454     with_gallium_omx = false
 455   elif not with_platform_x11
 456     with_gallium_omx = false
 457   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 458     with_gallium_omx = false
 459   else
 460     dep_omx = dependency('libomxil-bellagio', required : false)
 461     with_gallium_omx = dep_omx.found()
 462   endif
 463 elif _omx == 'true'
 464   if not ['linux', 'bsd'].contains(host_machine.system())
 465     error('OMX state tracker can only be built on unix-like OSes.')
 466   elif not (with_platform_x11 or with_platform_drm)
 467     error('OMX state tracker requires X11 or drm platform support.')
 468     with_gallium_omx = false
 469   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 470     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 471   endif
 472   dep_omx = dependency('libomxil-bellagio')
 473   with_gallium_omx = true
 474 else
 475   with_gallium_omx = false
 476 endif
 477
 478 omx_drivers_path = get_option('omx-libs-path')
 479 if with_gallium_omx
 480   # Figure out where to put the omx driver.
 481   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 482   # argument to meson's get_pkgconfig_variable method.
 483   if omx_drivers_path == ''
 484     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 485     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 486     if _omx_libdir == get_option('libdir')
 487       omx_drivers_path = _omx_drivers_dir
 488     else
 489       _omx_base_dir = []
 490       # This will fail on windows. Does OMX run on windows?
 491       _omx_libdir = _omx_libdir.split('/')
 492       _omx_drivers_dir = _omx_drivers_dir.split('/')
 493       foreach o : _omx_drivers_dir
 494         if not _omx_libdir.contains(o)
 495           _omx_base_dir += o
 496         endif
 497       endforeach
 498       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 499     endif
 500   endif
 501 endif
 502 if with_gallium_omx
 503   dep_omx = declare_dependency(
 504     compile_args : dep_omx.get_pkgconfig_variable('cflags').split()
 505   )
 506 endif
 507
 508 dep_va = []
 509 _va = get_option('gallium-va')
 510 if _va == 'auto'
 511   if not ['linux', 'bsd'].contains(host_machine.system())
 512     with_gallium_va = false
 513   elif not with_platform_x11
 514     with_gallium_va = false
 515   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 516     with_gallium_va = false
 517   else
 518     dep_va = dependency('libva', version : '>= 0.38.0', required : false)
 519     with_gallium_va = dep_va.found()
 520   endif
 521 elif _va == 'true'
 522   if not ['linux', 'bsd'].contains(host_machine.system())
 523     error('VA state tracker can only be built on unix-like OSes.')
 524   elif not (with_platform_x11 or with_platform_drm)
 525     error('VA state tracker requires X11 or drm or wayland platform support.')
 526     with_gallium_va = false
 527   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 528     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 529   endif
 530   dep_va = dependency('libva', version : '>= 0.38.0')
 531   with_gallium_va = true
 532 else
 533   with_gallium_va = false
 534 endif
 535 if with_gallium_va
 536   dep_va = declare_dependency(
 537     compile_args : dep_va.get_pkgconfig_variable('cflags').split()
 538   )
 539 endif
 540
 541 va_drivers_path = get_option('va-libs-path')
 542 if va_drivers_path == ''
 543   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 544 endif
 545
 546 _xa = get_option('gallium-xa')
 547 if _xa == 'auto'
 548   if not ['linux', 'bsd'].contains(host_machine.system())
 549     with_gallium_xa = false
 550   elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 551             or with_gallium_svga)
 552     with_gallium_xa = false
 553   else
 554     with_gallium_xa = true
 555   endif
 556 elif _xa == 'true'
 557   if not ['linux', 'bsd'].contains(host_machine.system())
 558     error('XA state tracker can only be built on unix-like OSes.')
 559   elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 560             or with_gallium_svga)
 561     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 562   endif
 563   with_gallium_xa = true
 564 else
 565   with_gallium_xa = false
 566 endif
 567
 568 d3d_drivers_path = get_option('d3d-drivers-path')
 569 if d3d_drivers_path == ''
 570   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 571 endif
 572
 573 with_gallium_st_nine =  get_option('gallium-nine')
 574 if with_gallium_st_nine
 575   if not with_gallium_softpipe
 576     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 577   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 578             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 579     error('The nine state tracker requires at least on non-swrast gallium driver.')
 580   endif
 581   if not with_dri3
 582     error('Using nine with wine requires dri3')
 583   endif
 584 endif
 585
 586 gl_pkgconfig_c_flags = []
 587 if with_platform_x11
 588   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 589     pre_args += '-DHAVE_X11_PLATFORM'
 590   endif
 591   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 592     pre_args += '-DUSE_XSHM'
 593   else
 594     pre_args += '-DGLX_INDIRECT_RENDERING'
 595     if with_glx_direct
 596       pre_args += '-DGLX_DIRECT_RENDERING'
 597     endif
 598     if with_dri_platform == 'drm'
 599       pre_args += '-DGLX_USE_DRM'
 600     elif with_dri_platform == 'windows'
 601       pre_args += '-DGLX_USE_WINDOWSGL'
 602     endif
 603   endif
 604 else
 605   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 606   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 607 endif
 608 if with_platform_drm
 609   if with_egl and not with_gbm
 610     error('EGL drm platform requires gbm')
 611   endif
 612   pre_args += '-DHAVE_DRM_PLATFORM'
 613 endif
 614 if with_platform_surfaceless
 615   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 616 endif
 617 if with_platform_android
 618   dep_android = [
 619     dependency('cutils'),
 620     dependency('hardware'),
 621     dependency('sync'),
 622   ]
 623   pre_args += '-DHAVE_ANDROID_PLATFORM'
 624 endif
 625
 626 prog_python2 = find_program('python2')
 627 has_mako = run_command(prog_python2, '-c', 'import mako')
 628 if has_mako.returncode() != 0
 629   error('Python (2.x) mako module required to build mesa.')
 630 endif
 631
 632 cc = meson.get_compiler('c')
 633 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 634   error('When using GCC, version 4.4.6 or later is required.')
 635 endif
 636
 637 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 638 if get_option('buildtype') == 'debug'
 639   pre_args += '-DDEBUG'
 640 endif
 641
 642 if get_option('shader-cache')
 643   pre_args += '-DENABLE_SHADER_CACHE'
 644 elif with_amd_vk
 645   error('Radv requires shader cache support')
 646 endif
 647
 648 # Check for GCC style builtins
 649 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 650              'ffsll', 'popcount', 'popcountll', 'unreachable']
 651   if cc.has_function(b)
 652     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 653   endif
 654 endforeach
 655
 656 # check for GCC __attribute__
 657 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 658              'warn_unused_result', 'weak',]
 659   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 660                  name : '__attribute__((@0@))'.format(a))
 661     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 662   endif
 663 endforeach
 664 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 665                name : '__attribute__((format(...)))')
 666   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 667 endif
 668 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 669                name : '__attribute__((packed))')
 670   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 671 endif
 672 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 673                name : '__attribute__((returns_nonnull))')
 674   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 675 endif
 676 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 677                   int foo_hid(void) __attribute__((visibility("hidden")));
 678                   int foo_int(void) __attribute__((visibility("internal")));
 679                   int foo_pro(void) __attribute__((visibility("protected")));''',
 680                name : '__attribute__((visibility(...)))')
 681   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 682 endif
 683 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 684                name : '__attribute__((alias(...)))')
 685   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 686 endif
 687 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 688                name : '__attribute__((__noreturn__))')
 689   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 690 endif
 691
 692 # TODO: this is very incomplete
 693 if ['linux', 'cygwin'].contains(host_machine.system())
 694   pre_args += '-D_GNU_SOURCE'
 695 endif
 696
 697 # Check for generic C arguments
 698 c_args = []
 699 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 700              '-Werror=missing-prototypes', '-fno-math-errno',
 701              '-fno-trapping-math', '-Qunused-arguments']
 702   if cc.has_argument(a)
 703     c_args += a
 704   endif
 705 endforeach
 706 c_vis_args = []
 707 if cc.has_argument('-fvisibility=hidden')
 708   c_vis_args += '-fvisibility=hidden'
 709 endif
 710
 711 # Check for generic C++ arguments
 712 cpp = meson.get_compiler('cpp')
 713 cpp_args = []
 714 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 715              '-Qunused-arguments']
 716   if cpp.has_argument(a)
 717     cpp_args += a
 718   endif
 719 endforeach
 720
 721 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 722 # option is not supported. Hence, check for -Wfoo instead.
 723 if cpp.has_argument('-Wnon-virtual-dtor')
 724   cpp_args += '-Wno-non-virtual-dtor'
 725 endif
 726
 727 no_override_init_args = []
 728 foreach a : ['override-init', 'initializer-overrides']
 729   if cc.has_argument('-W' + a)
 730     no_override_init_args += '-Wno-' + a
 731   endif
 732 endforeach
 733
 734 cpp_vis_args = []
 735 if cpp.has_argument('-fvisibility=hidden')
 736   cpp_vis_args += '-fvisibility=hidden'
 737 endif
 738
 739 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 740 # in parts of the mesa code base that need to compile with old versions of
 741 # MSVC, mainly common code
 742 c_msvc_compat_args = []
 743 cpp_msvc_compat_args = []
 744 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 745   if cc.has_argument(a)
 746     c_msvc_compat_args += a
 747   endif
 748   if cpp.has_argument(a)
 749     cpp_msvc_compat_args += a
 750   endif
 751 endforeach
 752
 753 if host_machine.cpu_family().startswith('x86')
 754   pre_args += '-DHAVE_SSE41'
 755   with_sse41 = true
 756   sse41_args = ['-msse4.1']
 757
 758   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 759   # that's not guaranteed
 760   if host_machine.cpu_family() == 'x86'
 761     sse41_args += '-mstackrealign'
 762   endif
 763 else
 764   with_sse41 = false
 765   sse41_args = []
 766 endif
 767
 768 # Check for GCC style atomics
 769 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 770                name : 'GCC atomic builtins')
 771   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 772 endif
 773 if not cc.links('''#include <stdint.h>
 774                    uint64_t v;
 775                    int main() {
 776                      return __sync_add_and_fetch(&v, (uint64_t)1);
 777                    }''',
 778                 name : 'GCC 64bit atomics')
 779   pre_args += '-DMISSING_64_BIT_ATOMICS'
 780 endif
 781
 782 # TODO: endian
 783 # TODO: powr8
 784 # TODO: shared/static? Is this even worth doing?
 785
 786 # Building x86 assembly code requires running x86 binaries. It is possible for
 787 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 788 # TODO: it should be possible to use an exe_wrapper to run the binary during
 789 # the build.
 790 if meson.is_cross_build()
 791   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 792           and build_machine.system() == host_machine.system())
 793     message('Cross compiling to x86 from non-x86, disabling asm')
 794     with_asm = false
 795   endif
 796 endif
 797
 798 with_asm_arch = ''
 799 if with_asm
 800   # TODO: SPARC and PPC
 801   if host_machine.cpu_family() == 'x86'
 802     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 803       with_asm_arch = 'x86'
 804       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 805                    '-DUSE_SSE_ASM']
 806     endif
 807   elif host_machine.cpu_family() == 'x86_64'
 808     if host_machine.system() == 'linux'
 809       with_asm_arch = 'x86_64'
 810       pre_args += ['-DUSE_X86_64_ASM']
 811     endif
 812   elif host_machine.cpu_family() == 'arm'
 813     if host_machine.system() == 'linux'
 814       with_asm_arch = 'arm'
 815       pre_args += ['-DUSE_ARM_ASM']
 816     endif
 817   elif host_machine.cpu_family() == 'aarch64'
 818     if host_machine.system() == 'linux'
 819       with_asm_arch = 'aarch64'
 820       pre_args += ['-DUSE_AARCH64_ASM']
 821     endif
 822   endif
 823 endif
 824
 825 # Check for standard headers and functions
 826 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 827   pre_args += '-DMAJOR_IN_SYSMACROS'
 828 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 829   pre_args += '-DMAJOR_IN_MKDEV'
 830 endif
 831
 832 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 833   if cc.has_header(h)
 834     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 835   endif
 836 endforeach
 837
 838 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 839   if cc.has_function(f)
 840     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 841   endif
 842 endforeach
 843
 844 # strtod locale support
 845 if cc.links('''
 846     #define _GNU_SOURCE
 847     #include <stdlib.h>
 848     #include <locale.h>
 849     #ifdef HAVE_XLOCALE_H
 850     #include <xlocale.h>
 851     #endif
 852     int main() {
 853       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 854       const char *s = "1.0";
 855       char *end;
 856       double d = strtod_l(s, end, loc);
 857       float f = strtof_l(s, end, loc);
 858       freelocale(loc);
 859       return 0;
 860     }''',
 861     extra_args : pre_args,
 862     name : 'strtod has locale support')
 863   pre_args += '-DHAVE_STRTOD_L'
 864 endif
 865
 866 # Check for some linker flags
 867 ld_args_bsymbolic = []
 868 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 869   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 870 endif
 871 ld_args_gc_sections = []
 872 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 873             args : '-Wl,--gc-sections', name : 'gc-sections')
 874   ld_args_gc_sections += '-Wl,--gc-sections'
 875 endif
 876 with_ld_version_script = false
 877 if cc.links('int main() { return 0; }',
 878             args : '-Wl,--version-script=@0@'.format(
 879               join_paths(meson.source_root(), 'build-support/conftest.map')),
 880             name : 'version-script')
 881   with_ld_version_script = true
 882 endif
 883 with_ld_dynamic_list = false
 884 if cc.links('int main() { return 0; }',
 885             args : '-Wl,--dynamic-list=@0@'.format(
 886               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 887             name : 'dynamic-list')
 888   with_ld_dynamic_list = true
 889 endif
 890
 891 # check for dl support
 892 if cc.has_function('dlopen')
 893   dep_dl = []
 894 else
 895   dep_dl = cc.find_library('dl')
 896 endif
 897 if cc.has_function('dladdr', dependencies : dep_dl)
 898   # This is really only required for megadrivers
 899   pre_args += '-DHAVE_DLADDR'
 900 endif
 901
 902 if cc.has_function('dl_iterate_phdr')
 903   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 904 elif with_intel_vk
 905   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 906 elif with_dri_i965 and get_option('shader-cache')
 907   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 908 endif
 909
 910 # Determine whether or not the rt library is needed for time functions
 911 if cc.has_function('clock_gettime')
 912   dep_clock = []
 913 else
 914   dep_clock = cc.find_library('rt')
 915 endif
 916
 917 with_gallium_drisw_kms = false
 918 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 919                         required : with_dri2 or with_dri3)
 920 if dep_libdrm.found()
 921   pre_args += '-DHAVE_LIBDRM'
 922   if with_dri_platform == 'drm' and with_dri
 923     with_gallium_drisw_kms = true
 924   endif
 925 endif
 926
 927 # TODO: some of these may be conditional
 928 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 929 dep_thread = dependency('threads')
 930 if dep_thread.found() and host_machine.system() != 'windows'
 931   pre_args += '-DHAVE_PTHREAD'
 932 endif
 933 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 # TODO: clover
 934   dep_elf = dependency('libelf', required : false)
 935   if not dep_elf.found()
 936     dep_elf = cc.find_library('elf')
 937   endif
 938 else
 939   dep_elf = []
 940 endif
 941 dep_expat = dependency('expat')
 942 # this only exists on linux so either this is linux and it will be found, or
 943 # its not linux and and wont
 944 dep_m = cc.find_library('m', required : false)
 945
 946 dep_libdrm_amdgpu = []
 947 dep_libdrm_radeon = []
 948 dep_libdrm_nouveau = []
 949 dep_libdrm_etnaviv = []
 950 dep_libdrm_freedreno = []
 951 if with_amd_vk or with_gallium_radeonsi
 952   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.89')
 953 endif
 954 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
 955     with_gallium_r300 or with_gallium_r600)
 956   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 957 endif
 958 if with_gallium_nouveau or with_dri_nouveau
 959   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 960 endif
 961 if with_gallium_etnaviv
 962   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 963 endif
 964 if with_gallium_freedreno
 965   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
 966 endif
 967
 968 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 969 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
 970   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 971   if with_gallium_r600
 972     llvm_modules += 'asmparser'
 973   endif
 974 endif
 975
 976 _llvm = get_option('llvm')
 977 if _llvm == 'auto'
 978   dep_llvm = dependency(
 979     'llvm', version : '>= 3.9.0', modules : llvm_modules,
 980     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr,
 981   )
 982   with_llvm = dep_llvm.found()
 983 elif _llvm == 'true'
 984   dep_llvm = dependency('llvm', version : '>= 3.9.0', modules : llvm_modules)
 985   with_llvm = true
 986 else
 987   dep_llvm = []
 988   with_llvm = false
 989 endif
 990 if with_llvm
 991   _llvm_version = dep_llvm.version().split('.')
 992   # Development versions of LLVM have an 'svn' suffix, we don't want that for
 993   # our version checks.
 994   _llvm_patch = _llvm_version[2]
 995   if _llvm_patch.endswith('svn')
 996     _llvm_patch = _llvm_patch.split('s')[0]
 997   endif
 998   pre_args += [
 999     '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
1000     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1001   ]
1002 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1003   error('The following drivers requires LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1004 endif
1005
1006 dep_glvnd = []
1007 if with_glvnd
1008   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1009   pre_args += '-DUSE_LIBGLVND=1'
1010 endif
1011
1012 if with_valgrind != 'false'
1013   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1014   if dep_valgrind.found()
1015     pre_args += '-DHAVE_VALGRIND'
1016   endif
1017 else
1018   dep_valgrind = []
1019 endif
1020
1021 # pthread stubs. Lets not and say we didn't
1022
1023 prog_bison = find_program('bison', required : with_any_opengl)
1024 prog_flex = find_program('flex', required : with_any_opengl)
1025
1026 dep_selinux = []
1027 if get_option('selinux')
1028   dep_selinux = dependency('libselinux')
1029   pre_args += '-DMESA_SELINUX'
1030 endif
1031
1032 # TODO: llvm-prefix and llvm-shared-libs
1033
1034 if with_libunwind != 'false'
1035   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1036   if dep_unwind.found()
1037     pre_args += '-DHAVE_LIBUNWIND'
1038   endif
1039 else
1040   dep_unwind = []
1041 endif
1042
1043 # TODO: gallium-hud
1044
1045 if with_osmesa != 'none'
1046   if with_osmesa == 'classic' and not with_dri_swrast
1047     error('OSMesa classic requires dri (classic) swrast.')
1048   endif
1049   if with_osmesa == 'gallium' and not with_gallium_softpipe
1050     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1051   endif
1052   osmesa_lib_name = 'OSMesa'
1053   osmesa_bits = get_option('osmesa-bits')
1054   if osmesa_bits != '8'
1055     if with_dri or with_glx != 'disabled'
1056       error('OSMesa bits must be 8 if building glx or dir based drivers')
1057     endif
1058     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1059     pre_args += [
1060       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1061     ]
1062   endif
1063 endif
1064
1065 # TODO: symbol mangling
1066
1067 if with_platform_wayland
1068   prog_wl_scanner = find_program('wayland-scanner')
1069   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1070   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1071   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1072   wayland_dmabuf_xml = join_paths(
1073     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1074     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1075   )
1076   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1077 else
1078   prog_wl_scanner = []
1079   dep_wl_protocols = []
1080   dep_wayland_client = []
1081   dep_wayland_server = []
1082   wayland_dmabuf_xml = ''
1083 endif
1084
1085 dep_x11 = []
1086 dep_xext = []
1087 dep_xdamage = []
1088 dep_xfixes = []
1089 dep_x11_xcb = []
1090 dep_xcb = []
1091 dep_xcb_glx = []
1092 dep_xcb_dri2 = []
1093 dep_xcb_dri3 = []
1094 dep_dri2proto = []
1095 dep_glproto = []
1096 dep_xxf86vm = []
1097 dep_xcb_dri3 = []
1098 dep_xcb_present = []
1099 dep_xcb_sync = []
1100 dep_xcb_xfixes = []
1101 dep_xshmfence = []
1102 if with_platform_x11
1103   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1104     dep_x11 = dependency('x11')
1105     dep_xext = dependency('xext')
1106     dep_xcb = dependency('xcb')
1107   elif with_glx == 'dri'
1108     dep_x11 = dependency('x11')
1109     dep_xext = dependency('xext')
1110     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1111     dep_xfixes = dependency('xfixes')
1112     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1113     dep_xxf86vm = dependency('xxf86vm', required : false)
1114   endif
1115   if (with_any_vk or with_glx == 'dri' or
1116        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_omx or
1117         with_gallium_xa))
1118     dep_xcb = dependency('xcb')
1119     dep_x11_xcb = dependency('x11-xcb')
1120   endif
1121   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
1122     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1123
1124     if with_dri3
1125       pre_args += '-DHAVE_DRI3'
1126       dep_xcb_dri3 = dependency('xcb-dri3')
1127       dep_xcb_present = dependency('xcb-present')
1128       dep_xcb_sync = dependency('xcb-sync')
1129       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1130     endif
1131   endif
1132   if with_glx == 'dri'
1133     if with_dri_platform == 'drm'
1134       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1135     endif
1136     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1137   endif
1138   if with_egl
1139     dep_xcb_xfixes = dependency('xcb-xfixes')
1140   endif
1141 endif
1142
1143 if get_option('gallium-extra-hud')
1144   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1145 endif
1146
1147 _sensors = get_option('lmsensors')
1148 if _sensors != 'false'
1149   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1150   if dep_lmsensors.found()
1151     pre_args += '-DHAVE_LIBSENSORS=1'
1152   endif
1153 else
1154   dep_lmsensors = []
1155 endif
1156
1157 # TODO: clover
1158
1159 # TODO: gallium tests
1160
1161 # TODO: various libdirs
1162
1163 # TODO: gallium driver dirs
1164
1165 # FIXME: this is a workaround for #2326
1166 prog_touch = find_program('touch')
1167 dummy_cpp = custom_target(
1168   'dummy_cpp',
1169   output : 'dummy.cpp',
1170   command : [prog_touch, '@OUTPUT@'],
1171 )
1172
1173 foreach a : pre_args
1174   add_project_arguments(a, language : ['c', 'cpp'])
1175 endforeach
1176 foreach a : c_args
1177   add_project_arguments(a, language : ['c'])
1178 endforeach
1179 foreach a : cpp_args
1180   add_project_arguments(a, language : ['cpp'])
1181 endforeach
1182
1183 inc_include = include_directories('include')
1184
1185 gl_priv_reqs = [
1186   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1187   'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
1188 ]
1189 if dep_xxf86vm != [] and dep_xxf86vm.found()
1190   gl_priv_reqs += 'xxf86vm'
1191 endif
1192 if with_dri_platform == 'drm'
1193   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1194 endif
1195
1196 gl_priv_libs = []
1197 if dep_thread.found()
1198   gl_priv_libs += ['-lpthread', '-pthread']
1199 endif
1200 if dep_m.found()
1201   gl_priv_libs += '-lm'
1202 endif
1203 if dep_dl != [] and dep_dl.found()
1204   gl_priv_libs += '-ldl'
1205 endif
1206
1207 pkg = import('pkgconfig')
1208
1209 subdir('include')
1210 subdir('bin')
1211 subdir('src')