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 with_tools = get_option('tools').split(',')
  52 if with_tools.contains('all')
  53   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
  54 endif
  55 if get_option('texture-float')
  56   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  57   message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  58 endif
  59
  60 dri_drivers_path = get_option('dri-drivers-path')
  61 if dri_drivers_path == ''
  62   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  63 endif
  64 dri_search_path = get_option('dri-search-path')
  65 if dri_search_path == ''
  66   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  67 endif
  68
  69 with_gles1 = get_option('gles1')
  70 with_gles2 = get_option('gles2')
  71 with_opengl = get_option('opengl')
  72 with_any_opengl = with_opengl or with_gles1 or with_gles2
  73 # Only build shared_glapi if at least one OpenGL API is enabled
  74 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  75
  76
  77 # shared-glapi is required if at least two OpenGL APIs are being built
  78 if not with_shared_glapi
  79   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  80       or (with_gles2 and with_opengl))
  81     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  82   endif
  83 endif
  84
  85 # We require OpenGL for OpenGL ES
  86 if (with_gles1 or with_gles2) and not with_opengl
  87   error('building OpenGL ES without OpenGL is not supported.')
  88 endif
  89
  90 with_dri = false
  91 with_dri_i915 = false
  92 with_dri_i965 = false
  93 with_dri_r100 = false
  94 with_dri_r200 = false
  95 with_dri_nouveau = false
  96 with_dri_swrast = false
  97 _drivers = get_option('dri-drivers')
  98 if _drivers == 'auto'
  99   if host_machine.system() == 'linux'
 100     # TODO: PPC, Sparc
 101     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 102       _drivers = 'i915,i965,r100,r200,nouveau'
 103     else
 104       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 105     endif
 106   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 107     # only swrast would make sense here, but gallium swrast is a much better default
 108     _drivers = ''
 109   else
 110     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 111   endif
 112 endif
 113 if _drivers != ''
 114   _split = _drivers.split(',')
 115   with_dri_i915 = _split.contains('i915')
 116   with_dri_i965 = _split.contains('i965')
 117   with_dri_r100 = _split.contains('r100')
 118   with_dri_r200 = _split.contains('r200')
 119   with_dri_nouveau = _split.contains('nouveau')
 120   with_dri_swrast = _split.contains('swrast')
 121   with_dri = true
 122 endif
 123
 124 with_gallium = false
 125 with_gallium_pl111 = false
 126 with_gallium_radeonsi = false
 127 with_gallium_r300 = false
 128 with_gallium_r600 = false
 129 with_gallium_nouveau = false
 130 with_gallium_freedreno = false
 131 with_gallium_softpipe = false
 132 with_gallium_vc4 = false
 133 with_gallium_vc5 = false
 134 with_gallium_etnaviv = false
 135 with_gallium_imx = false
 136 with_gallium_i915 = false
 137 with_gallium_svga = false
 138 with_gallium_virgl = false
 139 with_gallium_swr = false
 140 _drivers = get_option('gallium-drivers')
 141 if _drivers == 'auto'
 142   if host_machine.system() == 'linux'
 143     # TODO: PPC, Sparc
 144     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 145       _drivers = 'r300,r600,radeonsi,nouveau,virgl,svga,swrast'
 146     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 147       _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,virgl,svga,swrast'
 148     else
 149       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 150     endif
 151   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 152     _drivers = 'swrast'
 153   else
 154     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 155   endif
 156 endif
 157 if _drivers != ''
 158   _split = _drivers.split(',')
 159   with_gallium_pl111 = _split.contains('pl111')
 160   with_gallium_radeonsi = _split.contains('radeonsi')
 161   with_gallium_r300 = _split.contains('r300')
 162   with_gallium_r600 = _split.contains('r600')
 163   with_gallium_nouveau = _split.contains('nouveau')
 164   with_gallium_freedreno = _split.contains('freedreno')
 165   with_gallium_softpipe = _split.contains('swrast')
 166   with_gallium_vc4 = _split.contains('vc4')
 167   with_gallium_vc5 = _split.contains('vc5')
 168   with_gallium_etnaviv = _split.contains('etnaviv')
 169   with_gallium_imx = _split.contains('imx')
 170   with_gallium_i915 = _split.contains('i915')
 171   with_gallium_svga = _split.contains('svga')
 172   with_gallium_virgl = _split.contains('virgl')
 173   with_gallium_swr = _split.contains('swr')
 174   with_gallium = true
 175 endif
 176
 177 with_intel_vk = false
 178 with_amd_vk = false
 179 with_any_vk = false
 180 _vulkan_drivers = get_option('vulkan-drivers')
 181 if _vulkan_drivers == 'auto'
 182   if host_machine.system() == 'linux'
 183     if host_machine.cpu_family().startswith('x86')
 184       _vulkan_drivers = 'amd,intel'
 185     else
 186       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 187     endif
 188   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 189     # No vulkan driver supports windows or macOS currently
 190     _vulkan_drivers = ''
 191   else
 192     error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 193   endif
 194 endif
 195 if _vulkan_drivers != ''
 196   _split = _vulkan_drivers.split(',')
 197   with_intel_vk = _split.contains('intel')
 198   with_amd_vk = _split.contains('amd')
 199   with_any_vk = with_amd_vk or with_intel_vk
 200 endif
 201
 202 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 203   error('Only one swrast provider can be built')
 204 endif
 205 if with_dri_i915 and with_gallium_i915
 206   error('Only one i915 provider can be built')
 207 endif
 208 if with_gallium_imx and not with_gallium_etnaviv
 209   error('IMX driver requires etnaviv driver')
 210 endif
 211 if with_gallium_pl111 and not with_gallium_vc4
 212   error('pl111 driver requires vc4 driver')
 213 endif
 214
 215 dep_libdrm_intel = []
 216 if with_dri_i915 or with_gallium_i915
 217   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 218 endif
 219
 220 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
 221
 222 if host_machine.system() == 'darwin'
 223   with_dri_platform = 'apple'
 224 elif ['windows', 'cygwin'].contains(host_machine.system())
 225   with_dri_platform = 'windows'
 226 elif system_has_kms_drm
 227   with_dri_platform = 'drm'
 228 else
 229   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 230   # assert here that one of those cases has been met.
 231   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 232   # support Hurd at time of writing (2017/11)
 233   # FIXME: illumos ends up here as well
 234   with_dri_platform = 'none'
 235 endif
 236
 237 with_platform_android = false
 238 with_platform_wayland = false
 239 with_platform_x11 = false
 240 with_platform_drm = false
 241 with_platform_surfaceless = false
 242 egl_native_platform = ''
 243 _platforms = get_option('platforms')
 244 if _platforms == 'auto'
 245   if system_has_kms_drm
 246     _platforms = 'x11,wayland,drm,surfaceless'
 247   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 248     _platforms = 'x11,surfaceless'
 249   elif ['haiku'].contains(host_machine.system())
 250     _platforms = 'haiku'
 251   else
 252     error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
 253   endif
 254 endif
 255 if _platforms != ''
 256   _split = _platforms.split(',')
 257   with_platform_android = _split.contains('android')
 258   with_platform_x11 = _split.contains('x11')
 259   with_platform_wayland = _split.contains('wayland')
 260   with_platform_drm = _split.contains('drm')
 261   with_platform_haiku = _split.contains('haiku')
 262   with_platform_surfaceless = _split.contains('surfaceless')
 263   egl_native_platform = _split[0]
 264 endif
 265
 266 with_glx = get_option('glx')
 267 if with_glx == 'auto'
 268   if with_dri
 269     with_glx = 'dri'
 270   elif with_platform_haiku
 271     with_glx = 'disabled'
 272   elif with_gallium
 273     # Even when building just gallium drivers the user probably wants dri
 274     with_glx = 'dri'
 275   elif with_platform_x11 and with_any_opengl and not with_any_vk
 276     # The automatic behavior should not be to turn on xlib based glx when
 277     # building only vulkan drivers
 278     with_glx = 'xlib'
 279   else
 280     with_glx = 'disabled'
 281   endif
 282 endif
 283 if with_glx == 'dri'
 284    if with_gallium
 285       with_dri = true
 286    endif
 287 endif
 288
 289 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 290   with_gles1 = false
 291   with_gles2 = false
 292   with_opengl = false
 293   with_any_opengl = false
 294   with_shared_glapi = false
 295 endif
 296
 297 with_gbm = get_option('gbm')
 298 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 299   with_gbm = system_has_kms_drm
 300 elif with_gbm == 'true'
 301   if not system_has_kms_drm
 302     error('GBM only supports DRM/KMS platforms')
 303   endif
 304   with_gbm = true
 305 else
 306   with_gbm = false
 307 endif
 308
 309 _egl = get_option('egl')
 310 if _egl == 'auto'
 311   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 312 elif _egl == 'true'
 313   if not with_dri
 314     error('EGL requires dri')
 315   elif not with_shared_glapi
 316     error('EGL requires shared-glapi')
 317   elif egl_native_platform == ''
 318     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 319   endif
 320   with_egl = true
 321 else
 322   with_egl = false
 323 endif
 324
 325 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 326   if with_gallium_radeonsi
 327     error('RadeonSI requires drm or surfaceless platform when using EGL')
 328   endif
 329   if with_gallium_virgl
 330     error('Virgl requires drm or surfaceless platform when using EGL')
 331   endif
 332 endif
 333
 334 pre_args += '-DGLX_USE_TLS'
 335 if with_glx != 'disabled'
 336   if not (with_platform_x11 and with_any_opengl)
 337     if with_glx == 'auto'
 338       with_glx = 'disabled'
 339     else
 340       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 341     endif
 342   elif with_glx == 'gallium-xlib'
 343     if not with_gallium
 344       error('Gallium-xlib based GLX requires at least one gallium driver')
 345     elif not with_gallium_softpipe
 346       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 347     elif with_dri
 348       error('gallium-xlib conflicts with any dri driver')
 349     endif
 350   elif with_glx == 'xlib'
 351     if with_dri
 352       error('xlib conflicts with any dri driver')
 353     endif
 354   elif with_glx == 'dri' and not with_dri
 355     error('dri based GLX requires at least one DRI driver')
 356   endif
 357 endif
 358
 359 with_glvnd = get_option('glvnd')
 360 if with_glvnd
 361   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 362     error('Cannot build glvnd support for GLX that is not DRI based.')
 363   elif with_glx == 'disabled' and not with_egl
 364     error('glvnd requires DRI based GLX and/or EGL')
 365   endif
 366 endif
 367
 368 # TODO: toggle for this
 369 with_glx_direct = true
 370
 371 if with_vulkan_icd_dir == ''
 372   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 373 endif
 374
 375 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 376 with_dri3 = get_option('dri3')
 377 if with_dri3 == 'auto'
 378   with_dri3 = system_has_kms_drm and with_dri2
 379 else
 380   with_dri3 = with_dri3 == 'true'
 381 endif
 382
 383 if with_any_vk and (with_platform_x11 and not with_dri3)
 384   error('Vulkan drivers require dri3 for X11 support')
 385 endif
 386 if with_dri or with_gallium
 387   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 388     error('building dri or gallium drivers require at least one window system')
 389   endif
 390 endif
 391
 392 prog_pkgconfig = find_program('pkg-config')
 393
 394 _vdpau = get_option('gallium-vdpau')
 395 if not system_has_kms_drm
 396   if _vdpau == 'true'
 397     error('VDPAU state tracker can only be build on unix-like OSes.')
 398   else
 399     _vdpau = 'false'
 400   endif
 401 elif not with_platform_x11
 402   if _vdpau == 'true'
 403     error('VDPAU state tracker requires X11 support.')
 404   else
 405     _vdpau = 'false'
 406   endif
 407 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 408           with_gallium_nouveau)
 409   if _vdpau == 'true'
 410     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 411   else
 412     _vdpau = 'false'
 413   endif
 414 elif _vdpau == 'auto'
 415   _vdpau = 'true'
 416 endif
 417 with_gallium_vdpau = _vdpau == 'true'
 418 dep_vdpau = []
 419 if with_gallium_vdpau
 420   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 421   dep_vdpau = declare_dependency(
 422     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 423   )
 424 endif
 425
 426 if with_gallium_vdpau
 427   pre_args += '-DHAVE_ST_VDPAU'
 428 endif
 429 vdpau_drivers_path = get_option('vdpau-libs-path')
 430 if vdpau_drivers_path == ''
 431   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 432 endif
 433
 434 _xvmc = get_option('gallium-xvmc')
 435 if not system_has_kms_drm
 436   if _xvmc == 'true'
 437     error('XVMC state tracker can only be build on unix-like OSes.')
 438   else
 439     _xvmc = 'false'
 440   endif
 441 elif not with_platform_x11
 442   if _xvmc == 'true'
 443     error('XVMC state tracker requires X11 support.')
 444   else
 445     _xvmc = 'false'
 446   endif
 447 elif not (with_gallium_r600 or with_gallium_nouveau)
 448   if _xvmc == 'true'
 449     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 450   else
 451     _xvmc = 'false'
 452   endif
 453 elif _xvmc == 'auto'
 454   _xvmc = 'true'
 455 endif
 456 with_gallium_xvmc = _xvmc == 'true'
 457 dep_xvmc = []
 458 if with_gallium_xvmc
 459   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 460 endif
 461
 462 xvmc_drivers_path = get_option('xvmc-libs-path')
 463 if xvmc_drivers_path == ''
 464   xvmc_drivers_path = get_option('libdir')
 465 endif
 466
 467 _omx = get_option('gallium-omx')
 468 if not system_has_kms_drm
 469   if _omx == 'true'
 470     error('OMX state tracker can only be built on unix-like OSes.')
 471   else
 472     _omx = 'false'
 473   endif
 474 elif not (with_platform_x11 or with_platform_drm)
 475   if _omx == 'true'
 476     error('OMX state tracker requires X11 or drm platform support.')
 477   else
 478     _omx = 'false'
 479   endif
 480 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 481   if _omx == 'true'
 482     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 483   else
 484     _omx = 'false'
 485   endif
 486 elif _omx == 'auto'
 487   _omx = 'true'
 488 endif
 489 with_gallium_omx = _omx == 'true'
 490 dep_omx = []
 491 if with_gallium_omx
 492   dep_omx = dependency('libomxil-bellagio')
 493 endif
 494
 495 omx_drivers_path = get_option('omx-libs-path')
 496 if with_gallium_omx
 497   # Figure out where to put the omx driver.
 498   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 499   # argument to meson's get_pkgconfig_variable method.
 500   if omx_drivers_path == ''
 501     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 502     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 503     if _omx_libdir == get_option('libdir')
 504       omx_drivers_path = _omx_drivers_dir
 505     else
 506       _omx_base_dir = []
 507       # This will fail on windows. Does OMX run on windows?
 508       _omx_libdir = _omx_libdir.split('/')
 509       _omx_drivers_dir = _omx_drivers_dir.split('/')
 510       foreach o : _omx_drivers_dir
 511         if not _omx_libdir.contains(o)
 512           _omx_base_dir += o
 513         endif
 514       endforeach
 515       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 516     endif
 517   endif
 518 endif
 519
 520 _va = get_option('gallium-va')
 521 if not system_has_kms_drm
 522   if _va == 'true'
 523     error('VA state tracker can only be built on unix-like OSes.')
 524   else
 525     _va = 'false'
 526   endif
 527 elif not (with_platform_x11 or with_platform_drm)
 528   if _va == 'true'
 529     error('VA state tracker requires X11 or drm or wayland platform support.')
 530   else
 531     _va = 'false'
 532   endif
 533 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 534   if _va == 'true'
 535     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 536   else
 537     _va = 'false'
 538   endif
 539 elif _va == 'auto'
 540   _va = 'true'
 541 endif
 542 with_gallium_va = _va == 'true'
 543 dep_va = []
 544 if with_gallium_va
 545   dep_va = dependency('libva', version : '>= 0.38.0')
 546   dep_va_headers = declare_dependency(
 547     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 548   )
 549 endif
 550
 551 va_drivers_path = get_option('va-libs-path')
 552 if va_drivers_path == ''
 553   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 554 endif
 555
 556 _xa = get_option('gallium-xa')
 557 if not system_has_kms_drm
 558   if _xa == 'true'
 559     error('XA state tracker can only be built on unix-like OSes.')
 560   else
 561     _xa = 'false'
 562   endif
 563 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 564           or with_gallium_svga)
 565   if _xa == 'true'
 566     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 567   else
 568     _xa = 'false'
 569   endif
 570 endif
 571 with_gallium_xa = _xa != 'false'
 572
 573 d3d_drivers_path = get_option('d3d-drivers-path')
 574 if d3d_drivers_path == ''
 575   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 576 endif
 577
 578 with_gallium_st_nine =  get_option('gallium-nine')
 579 if with_gallium_st_nine
 580   if not with_gallium_softpipe
 581     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 582   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 583             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 584     error('The nine state tracker requires at least on non-swrast gallium driver.')
 585   endif
 586   if not with_dri3
 587     error('Using nine with wine requires dri3')
 588   endif
 589 endif
 590
 591 _opencl = get_option('gallium-opencl')
 592 if _opencl != 'disabled'
 593   if not with_gallium
 594     error('OpenCL Clover implementation requires at least one gallium driver.')
 595   endif
 596
 597   # TODO: alitvec?
 598   dep_clc = dependency('libclc')
 599   with_gallium_opencl = true
 600   with_opencl_icd = _opencl == 'icd'
 601 else
 602   dep_clc = []
 603   with_gallium_opencl = false
 604   with_gallium_icd = false
 605 endif
 606
 607 gl_pkgconfig_c_flags = []
 608 if with_platform_x11
 609   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 610     pre_args += '-DHAVE_X11_PLATFORM'
 611   endif
 612   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 613     pre_args += '-DUSE_XSHM'
 614   else
 615     pre_args += '-DGLX_INDIRECT_RENDERING'
 616     if with_glx_direct
 617       pre_args += '-DGLX_DIRECT_RENDERING'
 618     endif
 619     if with_dri_platform == 'drm'
 620       pre_args += '-DGLX_USE_DRM'
 621     elif with_dri_platform == 'apple'
 622       pre_args += '-DGLX_USE_APPLEGL'
 623     elif with_dri_platform == 'windows'
 624       pre_args += '-DGLX_USE_WINDOWSGL'
 625     endif
 626   endif
 627 else
 628   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 629   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 630 endif
 631 if with_platform_drm
 632   if with_egl and not with_gbm
 633     error('EGL drm platform requires gbm')
 634   endif
 635   pre_args += '-DHAVE_DRM_PLATFORM'
 636 endif
 637 if with_platform_surfaceless
 638   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 639 endif
 640 if with_platform_android
 641   dep_android = [
 642     dependency('cutils'),
 643     dependency('hardware'),
 644     dependency('sync'),
 645   ]
 646   pre_args += '-DHAVE_ANDROID_PLATFORM'
 647 endif
 648 if with_platform_haiku
 649   pre_args += '-DHAVE_HAIKU_PLATFORM'
 650 endif
 651
 652 prog_python2 = find_program('python2')
 653 has_mako = run_command(prog_python2, '-c', 'import mako')
 654 if has_mako.returncode() != 0
 655   error('Python (2.x) mako module required to build mesa.')
 656 endif
 657
 658 cc = meson.get_compiler('c')
 659 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 660   error('When using GCC, version 4.4.6 or later is required.')
 661 endif
 662
 663 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 664 if get_option('buildtype') == 'debug'
 665   pre_args += '-DDEBUG'
 666 endif
 667
 668 if get_option('shader-cache')
 669   pre_args += '-DENABLE_SHADER_CACHE'
 670 elif with_amd_vk
 671   error('Radv requires shader cache support')
 672 endif
 673
 674 # Check for GCC style builtins
 675 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 676              'ffsll', 'popcount', 'popcountll', 'unreachable']
 677   if cc.has_function(b)
 678     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 679   endif
 680 endforeach
 681
 682 # check for GCC __attribute__
 683 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 684              'warn_unused_result', 'weak',]
 685   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 686                  name : '__attribute__((@0@))'.format(a))
 687     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 688   endif
 689 endforeach
 690 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 691                name : '__attribute__((format(...)))')
 692   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 693 endif
 694 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 695                name : '__attribute__((packed))')
 696   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 697 endif
 698 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 699                name : '__attribute__((returns_nonnull))')
 700   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 701 endif
 702 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 703                   int foo_hid(void) __attribute__((visibility("hidden")));
 704                   int foo_int(void) __attribute__((visibility("internal")));
 705                   int foo_pro(void) __attribute__((visibility("protected")));''',
 706                name : '__attribute__((visibility(...)))')
 707   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 708 endif
 709 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 710                name : '__attribute__((alias(...)))')
 711   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 712 endif
 713 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 714                name : '__attribute__((__noreturn__))')
 715   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 716 endif
 717
 718 # TODO: this is very incomplete
 719 if ['linux', 'cygwin'].contains(host_machine.system())
 720   pre_args += '-D_GNU_SOURCE'
 721 endif
 722
 723 # Check for generic C arguments
 724 c_args = []
 725 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 726              '-Werror=missing-prototypes', '-fno-math-errno',
 727              '-fno-trapping-math', '-Qunused-arguments']
 728   if cc.has_argument(a)
 729     c_args += a
 730   endif
 731 endforeach
 732 c_vis_args = []
 733 if cc.has_argument('-fvisibility=hidden')
 734   c_vis_args += '-fvisibility=hidden'
 735 endif
 736
 737 # Check for generic C++ arguments
 738 cpp = meson.get_compiler('cpp')
 739 cpp_args = []
 740 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 741              '-Qunused-arguments']
 742   if cpp.has_argument(a)
 743     cpp_args += a
 744   endif
 745 endforeach
 746
 747 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 748 # option is not supported. Hence, check for -Wfoo instead.
 749 if cpp.has_argument('-Wnon-virtual-dtor')
 750   cpp_args += '-Wno-non-virtual-dtor'
 751 endif
 752
 753 no_override_init_args = []
 754 foreach a : ['override-init', 'initializer-overrides']
 755   if cc.has_argument('-W' + a)
 756     no_override_init_args += '-Wno-' + a
 757   endif
 758 endforeach
 759
 760 cpp_vis_args = []
 761 if cpp.has_argument('-fvisibility=hidden')
 762   cpp_vis_args += '-fvisibility=hidden'
 763 endif
 764
 765 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 766 # in parts of the mesa code base that need to compile with old versions of
 767 # MSVC, mainly common code
 768 c_msvc_compat_args = []
 769 cpp_msvc_compat_args = []
 770 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 771   if cc.has_argument(a)
 772     c_msvc_compat_args += a
 773   endif
 774   if cpp.has_argument(a)
 775     cpp_msvc_compat_args += a
 776   endif
 777 endforeach
 778
 779 if host_machine.cpu_family().startswith('x86')
 780   pre_args += '-DUSE_SSE41'
 781   with_sse41 = true
 782   sse41_args = ['-msse4.1']
 783
 784   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 785   # that's not guaranteed
 786   if host_machine.cpu_family() == 'x86'
 787     sse41_args += '-mstackrealign'
 788   endif
 789 else
 790   with_sse41 = false
 791   sse41_args = []
 792 endif
 793
 794 # Check for GCC style atomics
 795 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 796                name : 'GCC atomic builtins')
 797   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 798 endif
 799 if not cc.links('''#include <stdint.h>
 800                    uint64_t v;
 801                    int main() {
 802                      return __sync_add_and_fetch(&v, (uint64_t)1);
 803                    }''',
 804                 name : 'GCC 64bit atomics')
 805   pre_args += '-DMISSING_64_BIT_ATOMICS'
 806 endif
 807
 808 # TODO: endian
 809 # TODO: powr8
 810 # TODO: shared/static? Is this even worth doing?
 811
 812 # Building x86 assembly code requires running x86 binaries. It is possible for
 813 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 814 # TODO: it should be possible to use an exe_wrapper to run the binary during
 815 # the build.
 816 if meson.is_cross_build()
 817   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 818           and build_machine.system() == host_machine.system())
 819     message('Cross compiling to x86 from non-x86, disabling asm')
 820     with_asm = false
 821   endif
 822 endif
 823
 824 with_asm_arch = ''
 825 if with_asm
 826   # TODO: SPARC and PPC
 827   if host_machine.cpu_family() == 'x86'
 828     if system_has_kms_drm
 829       with_asm_arch = 'x86'
 830       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 831                    '-DUSE_SSE_ASM']
 832     endif
 833   elif host_machine.cpu_family() == 'x86_64'
 834     if system_has_kms_drm
 835       with_asm_arch = 'x86_64'
 836       pre_args += ['-DUSE_X86_64_ASM']
 837     endif
 838   elif host_machine.cpu_family() == 'arm'
 839     if system_has_kms_drm
 840       with_asm_arch = 'arm'
 841       pre_args += ['-DUSE_ARM_ASM']
 842     endif
 843   elif host_machine.cpu_family() == 'aarch64'
 844     if system_has_kms_drm
 845       with_asm_arch = 'aarch64'
 846       pre_args += ['-DUSE_AARCH64_ASM']
 847     endif
 848   endif
 849 endif
 850
 851 # Check for standard headers and functions
 852 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 853   pre_args += '-DMAJOR_IN_SYSMACROS'
 854 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 855   pre_args += '-DMAJOR_IN_MKDEV'
 856 endif
 857
 858 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 859   if cc.has_header(h)
 860     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 861   endif
 862 endforeach
 863
 864 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 865   if cc.has_function(f)
 866     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 867   endif
 868 endforeach
 869
 870 # strtod locale support
 871 if cc.links('''
 872     #define _GNU_SOURCE
 873     #include <stdlib.h>
 874     #include <locale.h>
 875     #ifdef HAVE_XLOCALE_H
 876     #include <xlocale.h>
 877     #endif
 878     int main() {
 879       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 880       const char *s = "1.0";
 881       char *end;
 882       double d = strtod_l(s, end, loc);
 883       float f = strtof_l(s, end, loc);
 884       freelocale(loc);
 885       return 0;
 886     }''',
 887     extra_args : pre_args,
 888     name : 'strtod has locale support')
 889   pre_args += '-DHAVE_STRTOD_L'
 890 endif
 891
 892 # Check for some linker flags
 893 ld_args_bsymbolic = []
 894 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 895   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 896 endif
 897 ld_args_gc_sections = []
 898 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 899             args : '-Wl,--gc-sections', name : 'gc-sections')
 900   ld_args_gc_sections += '-Wl,--gc-sections'
 901 endif
 902 with_ld_version_script = false
 903 if cc.links('int main() { return 0; }',
 904             args : '-Wl,--version-script=@0@'.format(
 905               join_paths(meson.source_root(), 'build-support/conftest.map')),
 906             name : 'version-script')
 907   with_ld_version_script = true
 908 endif
 909 with_ld_dynamic_list = false
 910 if cc.links('int main() { return 0; }',
 911             args : '-Wl,--dynamic-list=@0@'.format(
 912               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 913             name : 'dynamic-list')
 914   with_ld_dynamic_list = true
 915 endif
 916 ld_args_build_id = []
 917 if build_machine.system() != 'darwin'
 918    ld_args_build_id += '-Wl,--build-id=sha1'
 919 endif
 920
 921 # check for dl support
 922 if cc.has_function('dlopen')
 923   dep_dl = []
 924 else
 925   dep_dl = cc.find_library('dl')
 926 endif
 927 if cc.has_function('dladdr', dependencies : dep_dl)
 928   # This is really only required for megadrivers
 929   pre_args += '-DHAVE_DLADDR'
 930 endif
 931
 932 if cc.has_function('dl_iterate_phdr')
 933   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 934 elif with_intel_vk
 935   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 936 elif with_dri_i965 and get_option('shader-cache')
 937   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 938 endif
 939
 940 # Determine whether or not the rt library is needed for time functions
 941 if cc.has_function('clock_gettime')
 942   dep_clock = []
 943 else
 944   dep_clock = cc.find_library('rt')
 945 endif
 946
 947 with_gallium_drisw_kms = false
 948 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 949                         required : with_dri2 or with_dri3)
 950 if dep_libdrm.found()
 951   pre_args += '-DHAVE_LIBDRM'
 952   if with_dri_platform == 'drm' and with_dri
 953     with_gallium_drisw_kms = true
 954   endif
 955 endif
 956
 957 # TODO: some of these may be conditional
 958 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 959 pre_args += '-DHAVE_ZLIB'
 960 dep_thread = dependency('threads')
 961 if dep_thread.found() and host_machine.system() != 'windows'
 962   pre_args += '-DHAVE_PTHREAD'
 963 endif
 964 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
 965   dep_elf = dependency('libelf', required : false)
 966   if not dep_elf.found()
 967     dep_elf = cc.find_library('elf')
 968   endif
 969 else
 970   dep_elf = []
 971 endif
 972 dep_expat = dependency('expat')
 973 # this only exists on linux so either this is linux and it will be found, or
 974 # its not linux and and wont
 975 dep_m = cc.find_library('m', required : false)
 976
 977 dep_libdrm_amdgpu = []
 978 dep_libdrm_radeon = []
 979 dep_libdrm_nouveau = []
 980 dep_libdrm_etnaviv = []
 981 dep_libdrm_freedreno = []
 982 if with_amd_vk or with_gallium_radeonsi
 983   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.90')
 984 endif
 985 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
 986     with_gallium_r300 or with_gallium_r600)
 987   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 988 endif
 989 if with_gallium_nouveau or with_dri_nouveau
 990   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 991 endif
 992 if with_gallium_etnaviv
 993   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 994 endif
 995 if with_gallium_freedreno
 996   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
 997 endif
 998
 999 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1000 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1001   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1002   if with_gallium_r600
1003     llvm_modules += 'asmparser'
1004   endif
1005 endif
1006 if with_gallium_opencl
1007   llvm_modules += [
1008     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1009     'lto', 'option', 'objcarcopts', 'profiledata',
1010   ]
1011   # TODO: optional modules
1012 endif
1013
1014 if with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1015   _llvm_version = '>= 4.0.0'
1016 elif with_gallium_opencl or with_gallium_r600
1017   _llvm_version = '>= 3.9.0'
1018 else
1019   _llvm_version = '>= 3.3.0'
1020 endif
1021
1022 _llvm = get_option('llvm')
1023 if _llvm == 'auto'
1024   dep_llvm = dependency(
1025     'llvm', version : _llvm_version, modules : llvm_modules,
1026     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1027   )
1028   with_llvm = dep_llvm.found()
1029 elif _llvm == 'true'
1030   dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1031   with_llvm = true
1032 else
1033   dep_llvm = []
1034   with_llvm = false
1035 endif
1036 if with_llvm
1037   _llvm_version = dep_llvm.version().split('.')
1038   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1039   # that for our version checks.
1040   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1041   # strippped as of 0.44, but we support older meson versions.
1042   _llvm_patch = _llvm_version[2]
1043   if _llvm_patch.endswith('svn')
1044     _llvm_patch = _llvm_patch.split('s')[0]
1045   elif _llvm_patch.contains('git')
1046     _llvm_patch = _llvm_patch.split('g')[0]
1047   endif
1048   pre_args += [
1049     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1050     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1051   ]
1052 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1053   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1054 endif
1055
1056 dep_glvnd = []
1057 if with_glvnd
1058   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1059   pre_args += '-DUSE_LIBGLVND=1'
1060 endif
1061
1062 if with_valgrind != 'false'
1063   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1064   if dep_valgrind.found()
1065     pre_args += '-DHAVE_VALGRIND'
1066   endif
1067 else
1068   dep_valgrind = []
1069 endif
1070
1071 # pthread stubs. Lets not and say we didn't
1072
1073 prog_bison = find_program('bison', required : with_any_opengl)
1074 prog_flex = find_program('flex', required : with_any_opengl)
1075
1076 dep_selinux = []
1077 if get_option('selinux')
1078   dep_selinux = dependency('libselinux')
1079   pre_args += '-DMESA_SELINUX'
1080 endif
1081
1082 # TODO: llvm-prefix and llvm-shared-libs
1083
1084 if with_libunwind != 'false'
1085   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1086   if dep_unwind.found()
1087     pre_args += '-DHAVE_LIBUNWIND'
1088   endif
1089 else
1090   dep_unwind = []
1091 endif
1092
1093 # TODO: gallium-hud
1094
1095 if with_osmesa != 'none'
1096   if with_osmesa == 'classic' and not with_dri_swrast
1097     error('OSMesa classic requires dri (classic) swrast.')
1098   endif
1099   if with_osmesa == 'gallium' and not with_gallium_softpipe
1100     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1101   endif
1102   osmesa_lib_name = 'OSMesa'
1103   osmesa_bits = get_option('osmesa-bits')
1104   if osmesa_bits != '8'
1105     if with_dri or with_glx != 'disabled'
1106       error('OSMesa bits must be 8 if building glx or dir based drivers')
1107     endif
1108     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1109     pre_args += [
1110       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1111     ]
1112   endif
1113 endif
1114
1115 # TODO: symbol mangling
1116
1117 if with_platform_wayland
1118   prog_wl_scanner = find_program('wayland-scanner')
1119   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1120   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1121   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1122   wayland_dmabuf_xml = join_paths(
1123     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1124     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1125   )
1126   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1127 else
1128   prog_wl_scanner = []
1129   dep_wl_protocols = []
1130   dep_wayland_client = []
1131   dep_wayland_server = []
1132   wayland_dmabuf_xml = ''
1133 endif
1134
1135 dep_x11 = []
1136 dep_xext = []
1137 dep_xdamage = []
1138 dep_xfixes = []
1139 dep_x11_xcb = []
1140 dep_xcb = []
1141 dep_xcb_glx = []
1142 dep_xcb_dri2 = []
1143 dep_xcb_dri3 = []
1144 dep_dri2proto = []
1145 dep_glproto = []
1146 dep_xxf86vm = []
1147 dep_xcb_dri3 = []
1148 dep_xcb_present = []
1149 dep_xcb_sync = []
1150 dep_xcb_xfixes = []
1151 dep_xshmfence = []
1152 if with_platform_x11
1153   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1154     dep_x11 = dependency('x11')
1155     dep_xext = dependency('xext')
1156     dep_xcb = dependency('xcb')
1157   elif with_glx == 'dri'
1158     dep_x11 = dependency('x11')
1159     dep_xext = dependency('xext')
1160     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1161     dep_xfixes = dependency('xfixes')
1162     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1163     dep_xxf86vm = dependency('xxf86vm', required : false)
1164   endif
1165   if (with_any_vk or with_glx == 'dri' or
1166        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_omx or
1167         with_gallium_xa))
1168     dep_xcb = dependency('xcb')
1169     dep_x11_xcb = dependency('x11-xcb')
1170   endif
1171   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
1172     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1173
1174     if with_dri3
1175       pre_args += '-DHAVE_DRI3'
1176       dep_xcb_dri3 = dependency('xcb-dri3')
1177       dep_xcb_present = dependency('xcb-present')
1178       dep_xcb_sync = dependency('xcb-sync')
1179       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1180     endif
1181   endif
1182   if with_glx == 'dri'
1183     if with_dri_platform == 'drm'
1184       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1185     endif
1186     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1187   endif
1188   if with_egl
1189     dep_xcb_xfixes = dependency('xcb-xfixes')
1190   endif
1191 endif
1192
1193 if get_option('gallium-extra-hud')
1194   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1195 endif
1196
1197 _sensors = get_option('lmsensors')
1198 if _sensors != 'false'
1199   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1200   if dep_lmsensors.found()
1201     pre_args += '-DHAVE_LIBSENSORS=1'
1202   endif
1203 else
1204   dep_lmsensors = []
1205 endif
1206
1207 # TODO: gallium tests
1208
1209 # TODO: various libdirs
1210
1211 # TODO: gallium driver dirs
1212
1213 # FIXME: this is a workaround for #2326
1214 prog_touch = find_program('touch')
1215 dummy_cpp = custom_target(
1216   'dummy_cpp',
1217   output : 'dummy.cpp',
1218   command : [prog_touch, '@OUTPUT@'],
1219 )
1220
1221 foreach a : pre_args
1222   add_project_arguments(a, language : ['c', 'cpp'])
1223 endforeach
1224 foreach a : c_args
1225   add_project_arguments(a, language : ['c'])
1226 endforeach
1227 foreach a : cpp_args
1228   add_project_arguments(a, language : ['cpp'])
1229 endforeach
1230
1231 inc_include = include_directories('include')
1232
1233 gl_priv_reqs = [
1234   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1235   'xcb-glx >= 1.8.1']
1236 if dep_libdrm.found()
1237   gl_priv_reqs += 'libdrm >= 2.4.75'
1238 endif
1239 if dep_xxf86vm != [] and dep_xxf86vm.found()
1240   gl_priv_reqs += 'xxf86vm'
1241 endif
1242 if with_dri_platform == 'drm'
1243   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1244 endif
1245
1246 gl_priv_libs = []
1247 if dep_thread.found()
1248   gl_priv_libs += ['-lpthread', '-pthread']
1249 endif
1250 if dep_m.found()
1251   gl_priv_libs += '-lm'
1252 endif
1253 if dep_dl != [] and dep_dl.found()
1254   gl_priv_libs += '-ldl'
1255 endif
1256
1257 pkg = import('pkgconfig')
1258
1259 subdir('include')
1260 subdir('bin')
1261 subdir('src')