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 _gbm = get_option('gbm')
 298 if _gbm == 'auto'
 299   with_gbm = system_has_kms_drm and with_dri
 300 else
 301   with_gbm = _gbm == 'true'
 302 endif
 303 if with_gbm and not system_has_kms_drm
 304   error('GBM only supports DRM/KMS platforms')
 305 endif
 306
 307 _egl = get_option('egl')
 308 if _egl == 'auto'
 309   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 310 elif _egl == 'true'
 311   if not with_dri
 312     error('EGL requires dri')
 313   elif not with_shared_glapi
 314     error('EGL requires shared-glapi')
 315   elif egl_native_platform == ''
 316     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 317   endif
 318   with_egl = true
 319 else
 320   with_egl = false
 321 endif
 322
 323 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 324   if with_gallium_radeonsi
 325     error('RadeonSI requires drm or surfaceless platform when using EGL')
 326   endif
 327   if with_gallium_virgl
 328     error('Virgl requires drm or surfaceless platform when using EGL')
 329   endif
 330 endif
 331
 332 pre_args += '-DGLX_USE_TLS'
 333 if with_glx != 'disabled'
 334   if not (with_platform_x11 and with_any_opengl)
 335     if with_glx == 'auto'
 336       with_glx = 'disabled'
 337     else
 338       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 339     endif
 340   elif with_glx == 'gallium-xlib'
 341     if not with_gallium
 342       error('Gallium-xlib based GLX requires at least one gallium driver')
 343     elif not with_gallium_softpipe
 344       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 345     elif with_dri
 346       error('gallium-xlib conflicts with any dri driver')
 347     endif
 348   elif with_glx == 'xlib'
 349     if with_dri
 350       error('xlib conflicts with any dri driver')
 351     endif
 352   elif with_glx == 'dri' and not with_dri
 353     error('dri based GLX requires at least one DRI driver')
 354   endif
 355 endif
 356
 357 with_glvnd = get_option('glvnd')
 358 if with_glvnd
 359   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 360     error('Cannot build glvnd support for GLX that is not DRI based.')
 361   elif with_glx == 'disabled' and not with_egl
 362     error('glvnd requires DRI based GLX and/or EGL')
 363   endif
 364 endif
 365
 366 # TODO: toggle for this
 367 with_glx_direct = true
 368
 369 if with_vulkan_icd_dir == ''
 370   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 371 endif
 372
 373 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 374 _dri3 = get_option('dri3')
 375 if _dri3 == 'auto'
 376   with_dri3 = system_has_kms_drm and with_dri2
 377 else
 378   with_dri3 = _dri3 == 'true'
 379 endif
 380
 381 if with_any_vk and (with_platform_x11 and not with_dri3)
 382   error('Vulkan drivers require dri3 for X11 support')
 383 endif
 384 if with_dri or with_gallium
 385   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 386     error('building dri or gallium drivers require at least one window system')
 387   endif
 388 endif
 389
 390 prog_pkgconfig = find_program('pkg-config')
 391
 392 _vdpau = get_option('gallium-vdpau')
 393 if not system_has_kms_drm
 394   if _vdpau == 'true'
 395     error('VDPAU state tracker can only be build on unix-like OSes.')
 396   else
 397     _vdpau = 'false'
 398   endif
 399 elif not with_platform_x11
 400   if _vdpau == 'true'
 401     error('VDPAU state tracker requires X11 support.')
 402   else
 403     _vdpau = 'false'
 404   endif
 405 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 406           with_gallium_nouveau)
 407   if _vdpau == 'true'
 408     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 409   else
 410     _vdpau = 'false'
 411   endif
 412 elif _vdpau == 'auto'
 413   _vdpau = 'true'
 414 endif
 415 with_gallium_vdpau = _vdpau == 'true'
 416 dep_vdpau = []
 417 if with_gallium_vdpau
 418   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 419   dep_vdpau = declare_dependency(
 420     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 421   )
 422 endif
 423
 424 if with_gallium_vdpau
 425   pre_args += '-DHAVE_ST_VDPAU'
 426 endif
 427 vdpau_drivers_path = get_option('vdpau-libs-path')
 428 if vdpau_drivers_path == ''
 429   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 430 endif
 431
 432 _xvmc = get_option('gallium-xvmc')
 433 if not system_has_kms_drm
 434   if _xvmc == 'true'
 435     error('XVMC state tracker can only be build on unix-like OSes.')
 436   else
 437     _xvmc = 'false'
 438   endif
 439 elif not with_platform_x11
 440   if _xvmc == 'true'
 441     error('XVMC state tracker requires X11 support.')
 442   else
 443     _xvmc = 'false'
 444   endif
 445 elif not (with_gallium_r600 or with_gallium_nouveau)
 446   if _xvmc == 'true'
 447     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 448   else
 449     _xvmc = 'false'
 450   endif
 451 elif _xvmc == 'auto'
 452   _xvmc = 'true'
 453 endif
 454 with_gallium_xvmc = _xvmc == 'true'
 455 dep_xvmc = []
 456 if with_gallium_xvmc
 457   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 458 endif
 459
 460 xvmc_drivers_path = get_option('xvmc-libs-path')
 461 if xvmc_drivers_path == ''
 462   xvmc_drivers_path = get_option('libdir')
 463 endif
 464
 465 _omx = get_option('gallium-omx')
 466 if not system_has_kms_drm
 467   if _omx != 'disabled'
 468     error('OMX state tracker can only be built on unix-like OSes.')
 469   else
 470     _omx = 'disabled'
 471   endif
 472 elif not (with_platform_x11 or with_platform_drm)
 473   if _omx != 'disabled'
 474     error('OMX state tracker requires X11 or drm platform support.')
 475   else
 476     _omx = 'disabled'
 477   endif
 478 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 479   if _omx != 'disabled'
 480     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 481   else
 482     _omx = 'disabled'
 483   endif
 484 endif
 485 with_gallium_omx = _omx != 'disabled'
 486 gallium_omx = _omx
 487 dep_omx = []
 488 dep_omx_other = []
 489 if gallium_omx == 'bellagio'
 490   dep_omx = dependency('libomxil-bellagio')
 491 elif gallium_omx == 'tizonia'
 492   dep_omx = dependency('libtizonia', version : '>= 0.10.0')
 493   dep_omx_other = [
 494     dependency('libtizplatform'),
 495     dependency('tizilheaders')
 496   ]
 497 endif
 498
 499 omx_drivers_path = get_option('omx-libs-path')
 500 if with_gallium_omx
 501   # Figure out where to put the omx driver.
 502   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 503   # argument to meson's get_pkgconfig_variable method.
 504   if omx_drivers_path == ''
 505     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 506     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 507     if _omx_libdir == get_option('libdir')
 508       omx_drivers_path = _omx_drivers_dir
 509     else
 510       _omx_base_dir = []
 511       # This will fail on windows. Does OMX run on windows?
 512       _omx_libdir = _omx_libdir.split('/')
 513       _omx_drivers_dir = _omx_drivers_dir.split('/')
 514       foreach o : _omx_drivers_dir
 515         if not _omx_libdir.contains(o)
 516           _omx_base_dir += o
 517         endif
 518       endforeach
 519       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 520     endif
 521   endif
 522 endif
 523
 524 _va = get_option('gallium-va')
 525 if not system_has_kms_drm
 526   if _va == 'true'
 527     error('VA state tracker can only be built on unix-like OSes.')
 528   else
 529     _va = 'false'
 530   endif
 531 elif not (with_platform_x11 or with_platform_drm)
 532   if _va == 'true'
 533     error('VA state tracker requires X11 or drm or wayland platform support.')
 534   else
 535     _va = 'false'
 536   endif
 537 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 538   if _va == 'true'
 539     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 540   else
 541     _va = 'false'
 542   endif
 543 elif _va == 'auto'
 544   _va = 'true'
 545 endif
 546 with_gallium_va = _va == 'true'
 547 dep_va = []
 548 if with_gallium_va
 549   dep_va = dependency('libva', version : '>= 0.38.0')
 550   dep_va_headers = declare_dependency(
 551     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 552   )
 553 endif
 554
 555 va_drivers_path = get_option('va-libs-path')
 556 if va_drivers_path == ''
 557   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 558 endif
 559
 560 _xa = get_option('gallium-xa')
 561 if not system_has_kms_drm
 562   if _xa == 'true'
 563     error('XA state tracker can only be built on unix-like OSes.')
 564   else
 565     _xa = 'false'
 566   endif
 567 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 568           or with_gallium_svga)
 569   if _xa == 'true'
 570     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 571   else
 572     _xa = 'false'
 573   endif
 574 endif
 575 with_gallium_xa = _xa != 'false'
 576
 577 d3d_drivers_path = get_option('d3d-drivers-path')
 578 if d3d_drivers_path == ''
 579   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 580 endif
 581
 582 with_gallium_st_nine =  get_option('gallium-nine')
 583 if with_gallium_st_nine
 584   if not with_gallium_softpipe
 585     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 586   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 587             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 588     error('The nine state tracker requires at least on non-swrast gallium driver.')
 589   endif
 590   if not with_dri3
 591     error('Using nine with wine requires dri3')
 592   endif
 593 endif
 594
 595 _opencl = get_option('gallium-opencl')
 596 if _opencl != 'disabled'
 597   if not with_gallium
 598     error('OpenCL Clover implementation requires at least one gallium driver.')
 599   endif
 600
 601   # TODO: alitvec?
 602   dep_clc = dependency('libclc')
 603   with_gallium_opencl = true
 604   with_opencl_icd = _opencl == 'icd'
 605 else
 606   dep_clc = []
 607   with_gallium_opencl = false
 608   with_gallium_icd = false
 609 endif
 610
 611 gl_pkgconfig_c_flags = []
 612 if with_platform_x11
 613   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 614     pre_args += '-DHAVE_X11_PLATFORM'
 615   endif
 616   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 617     pre_args += '-DUSE_XSHM'
 618   else
 619     pre_args += '-DGLX_INDIRECT_RENDERING'
 620     if with_glx_direct
 621       pre_args += '-DGLX_DIRECT_RENDERING'
 622     endif
 623     if with_dri_platform == 'drm'
 624       pre_args += '-DGLX_USE_DRM'
 625     elif with_dri_platform == 'apple'
 626       pre_args += '-DGLX_USE_APPLEGL'
 627     elif with_dri_platform == 'windows'
 628       pre_args += '-DGLX_USE_WINDOWSGL'
 629     endif
 630   endif
 631 else
 632   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 633   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 634 endif
 635 if with_platform_drm
 636   if with_egl and not with_gbm
 637     error('EGL drm platform requires gbm')
 638   endif
 639   pre_args += '-DHAVE_DRM_PLATFORM'
 640 endif
 641 if with_platform_surfaceless
 642   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 643 endif
 644 if with_platform_android
 645   dep_android = [
 646     dependency('cutils'),
 647     dependency('hardware'),
 648     dependency('sync'),
 649   ]
 650   pre_args += '-DHAVE_ANDROID_PLATFORM'
 651 endif
 652 if with_platform_haiku
 653   pre_args += '-DHAVE_HAIKU_PLATFORM'
 654 endif
 655
 656 prog_python2 = find_program('python2')
 657 has_mako = run_command(prog_python2, '-c', 'import mako')
 658 if has_mako.returncode() != 0
 659   error('Python (2.x) mako module required to build mesa.')
 660 endif
 661
 662 cc = meson.get_compiler('c')
 663 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 664   error('When using GCC, version 4.4.6 or later is required.')
 665 endif
 666
 667 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 668 if get_option('buildtype') == 'debug'
 669   pre_args += '-DDEBUG'
 670 endif
 671
 672 if get_option('shader-cache')
 673   pre_args += '-DENABLE_SHADER_CACHE'
 674 elif with_amd_vk
 675   error('Radv requires shader cache support')
 676 endif
 677
 678 # Check for GCC style builtins
 679 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 680              'ffsll', 'popcount', 'popcountll', 'unreachable']
 681   if cc.has_function(b)
 682     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 683   endif
 684 endforeach
 685
 686 # check for GCC __attribute__
 687 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 688              'warn_unused_result', 'weak',]
 689   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 690                  name : '__attribute__((@0@))'.format(a))
 691     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 692   endif
 693 endforeach
 694 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 695                name : '__attribute__((format(...)))')
 696   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 697 endif
 698 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 699                name : '__attribute__((packed))')
 700   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 701 endif
 702 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 703                name : '__attribute__((returns_nonnull))')
 704   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 705 endif
 706 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 707                   int foo_hid(void) __attribute__((visibility("hidden")));
 708                   int foo_int(void) __attribute__((visibility("internal")));
 709                   int foo_pro(void) __attribute__((visibility("protected")));''',
 710                name : '__attribute__((visibility(...)))')
 711   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 712 endif
 713 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 714                name : '__attribute__((alias(...)))')
 715   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 716 endif
 717 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 718                name : '__attribute__((__noreturn__))')
 719   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 720 endif
 721
 722 # TODO: this is very incomplete
 723 if ['linux', 'cygwin'].contains(host_machine.system())
 724   pre_args += '-D_GNU_SOURCE'
 725 endif
 726
 727 # Check for generic C arguments
 728 c_args = []
 729 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 730              '-Werror=missing-prototypes', '-fno-math-errno',
 731              '-fno-trapping-math', '-Qunused-arguments']
 732   if cc.has_argument(a)
 733     c_args += a
 734   endif
 735 endforeach
 736 c_vis_args = []
 737 if cc.has_argument('-fvisibility=hidden')
 738   c_vis_args += '-fvisibility=hidden'
 739 endif
 740
 741 # Check for generic C++ arguments
 742 cpp = meson.get_compiler('cpp')
 743 cpp_args = []
 744 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 745              '-Qunused-arguments']
 746   if cpp.has_argument(a)
 747     cpp_args += a
 748   endif
 749 endforeach
 750
 751 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 752 # option is not supported. Hence, check for -Wfoo instead.
 753 if cpp.has_argument('-Wnon-virtual-dtor')
 754   cpp_args += '-Wno-non-virtual-dtor'
 755 endif
 756
 757 no_override_init_args = []
 758 foreach a : ['override-init', 'initializer-overrides']
 759   if cc.has_argument('-W' + a)
 760     no_override_init_args += '-Wno-' + a
 761   endif
 762 endforeach
 763
 764 cpp_vis_args = []
 765 if cpp.has_argument('-fvisibility=hidden')
 766   cpp_vis_args += '-fvisibility=hidden'
 767 endif
 768
 769 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 770 # in parts of the mesa code base that need to compile with old versions of
 771 # MSVC, mainly common code
 772 c_msvc_compat_args = []
 773 cpp_msvc_compat_args = []
 774 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 775   if cc.has_argument(a)
 776     c_msvc_compat_args += a
 777   endif
 778   if cpp.has_argument(a)
 779     cpp_msvc_compat_args += a
 780   endif
 781 endforeach
 782
 783 if host_machine.cpu_family().startswith('x86')
 784   pre_args += '-DUSE_SSE41'
 785   with_sse41 = true
 786   sse41_args = ['-msse4.1']
 787
 788   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 789   # that's not guaranteed
 790   if host_machine.cpu_family() == 'x86'
 791     sse41_args += '-mstackrealign'
 792   endif
 793 else
 794   with_sse41 = false
 795   sse41_args = []
 796 endif
 797
 798 # Check for GCC style atomics
 799 dep_atomic = declare_dependency()
 800
 801 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 802                name : 'GCC atomic builtins')
 803   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 804
 805   # Not all atomic calls can be turned into lock-free instructions, in which
 806   # GCC will make calls into the libatomic library. Check whether we need to
 807   # link with -latomic.
 808   #
 809   # This can happen for 64-bit atomic operations on 32-bit architectures such
 810   # as ARM.
 811   if not cc.links('''#include <stdint.h>
 812                      int main() {
 813                        uint64_t n;
 814                        return (int)__atomic_load_n(&n, __ATOMIC_ACQUIRE);
 815                      }''',
 816                   name : 'GCC atomic builtins required -latomic')
 817     dep_atomic = cc.find_library('atomic')
 818   endif
 819 endif
 820 if not cc.links('''#include <stdint.h>
 821                    uint64_t v;
 822                    int main() {
 823                      return __sync_add_and_fetch(&v, (uint64_t)1);
 824                    }''',
 825                 name : 'GCC 64bit atomics')
 826   pre_args += '-DMISSING_64_BIT_ATOMICS'
 827 endif
 828
 829 # TODO: endian
 830 # TODO: powr8
 831 # TODO: shared/static? Is this even worth doing?
 832
 833 # Building x86 assembly code requires running x86 binaries. It is possible for
 834 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 835 # TODO: it should be possible to use an exe_wrapper to run the binary during
 836 # the build.
 837 if meson.is_cross_build()
 838   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 839           and build_machine.system() == host_machine.system())
 840     message('Cross compiling to x86 from non-x86, disabling asm')
 841     with_asm = false
 842   endif
 843 endif
 844
 845 with_asm_arch = ''
 846 if with_asm
 847   # TODO: SPARC and PPC
 848   if host_machine.cpu_family() == 'x86'
 849     if system_has_kms_drm
 850       with_asm_arch = 'x86'
 851       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 852                    '-DUSE_SSE_ASM']
 853     endif
 854   elif host_machine.cpu_family() == 'x86_64'
 855     if system_has_kms_drm
 856       with_asm_arch = 'x86_64'
 857       pre_args += ['-DUSE_X86_64_ASM']
 858     endif
 859   elif host_machine.cpu_family() == 'arm'
 860     if system_has_kms_drm
 861       with_asm_arch = 'arm'
 862       pre_args += ['-DUSE_ARM_ASM']
 863     endif
 864   elif host_machine.cpu_family() == 'aarch64'
 865     if system_has_kms_drm
 866       with_asm_arch = 'aarch64'
 867       pre_args += ['-DUSE_AARCH64_ASM']
 868     endif
 869   endif
 870 endif
 871
 872 # Check for standard headers and functions
 873 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 874   pre_args += '-DMAJOR_IN_SYSMACROS'
 875 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 876   pre_args += '-DMAJOR_IN_MKDEV'
 877 endif
 878
 879 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 880   if cc.has_header(h)
 881     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 882   endif
 883 endforeach
 884
 885 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 886   if cc.has_function(f)
 887     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 888   endif
 889 endforeach
 890
 891 # strtod locale support
 892 if cc.links('''
 893     #define _GNU_SOURCE
 894     #include <stdlib.h>
 895     #include <locale.h>
 896     #ifdef HAVE_XLOCALE_H
 897     #include <xlocale.h>
 898     #endif
 899     int main() {
 900       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 901       const char *s = "1.0";
 902       char *end;
 903       double d = strtod_l(s, end, loc);
 904       float f = strtof_l(s, end, loc);
 905       freelocale(loc);
 906       return 0;
 907     }''',
 908     extra_args : pre_args,
 909     name : 'strtod has locale support')
 910   pre_args += '-DHAVE_STRTOD_L'
 911 endif
 912
 913 # Check for some linker flags
 914 ld_args_bsymbolic = []
 915 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 916   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 917 endif
 918 ld_args_gc_sections = []
 919 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 920             args : '-Wl,--gc-sections', name : 'gc-sections')
 921   ld_args_gc_sections += '-Wl,--gc-sections'
 922 endif
 923 with_ld_version_script = false
 924 if cc.links('int main() { return 0; }',
 925             args : '-Wl,--version-script=@0@'.format(
 926               join_paths(meson.source_root(), 'build-support/conftest.map')),
 927             name : 'version-script')
 928   with_ld_version_script = true
 929 endif
 930 with_ld_dynamic_list = false
 931 if cc.links('int main() { return 0; }',
 932             args : '-Wl,--dynamic-list=@0@'.format(
 933               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 934             name : 'dynamic-list')
 935   with_ld_dynamic_list = true
 936 endif
 937 ld_args_build_id = []
 938 if build_machine.system() != 'darwin'
 939    ld_args_build_id += '-Wl,--build-id=sha1'
 940 endif
 941
 942 # check for dl support
 943 if cc.has_function('dlopen')
 944   dep_dl = []
 945 else
 946   dep_dl = cc.find_library('dl')
 947 endif
 948 if cc.has_function('dladdr', dependencies : dep_dl)
 949   # This is really only required for megadrivers
 950   pre_args += '-DHAVE_DLADDR'
 951 endif
 952
 953 if cc.has_function('dl_iterate_phdr')
 954   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 955 elif with_intel_vk
 956   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 957 elif with_dri_i965 and get_option('shader-cache')
 958   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 959 endif
 960
 961 # Determine whether or not the rt library is needed for time functions
 962 if cc.has_function('clock_gettime')
 963   dep_clock = []
 964 else
 965   dep_clock = cc.find_library('rt')
 966 endif
 967
 968 with_gallium_drisw_kms = false
 969 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 970                         required : with_dri2 or with_dri3)
 971 if dep_libdrm.found()
 972   pre_args += '-DHAVE_LIBDRM'
 973   if with_dri_platform == 'drm' and with_dri
 974     with_gallium_drisw_kms = true
 975   endif
 976 endif
 977
 978 # TODO: some of these may be conditional
 979 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 980 pre_args += '-DHAVE_ZLIB'
 981 dep_thread = dependency('threads')
 982 if dep_thread.found() and host_machine.system() != 'windows'
 983   pre_args += '-DHAVE_PTHREAD'
 984 endif
 985 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
 986   dep_elf = dependency('libelf', required : false)
 987   if not dep_elf.found()
 988     dep_elf = cc.find_library('elf')
 989   endif
 990 else
 991   dep_elf = []
 992 endif
 993 dep_expat = dependency('expat')
 994 # this only exists on linux so either this is linux and it will be found, or
 995 # its not linux and and wont
 996 dep_m = cc.find_library('m', required : false)
 997
 998 dep_libdrm_amdgpu = []
 999 dep_libdrm_radeon = []
1000 dep_libdrm_nouveau = []
1001 dep_libdrm_etnaviv = []
1002 dep_libdrm_freedreno = []
1003 if with_amd_vk or with_gallium_radeonsi
1004   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.90')
1005 endif
1006 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1007     with_gallium_r300 or with_gallium_r600)
1008   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
1009 endif
1010 if with_gallium_nouveau or with_dri_nouveau
1011   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
1012 endif
1013 if with_gallium_etnaviv
1014   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
1015 endif
1016 if with_gallium_freedreno
1017   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
1018 endif
1019
1020 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1021 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1022   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1023   if with_gallium_r600
1024     llvm_modules += 'asmparser'
1025   endif
1026 endif
1027 if with_gallium_opencl
1028   llvm_modules += [
1029     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1030     'lto', 'option', 'objcarcopts', 'profiledata',
1031   ]
1032   # TODO: optional modules
1033 endif
1034
1035 if with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1036   _llvm_version = '>= 4.0.0'
1037 elif with_gallium_opencl or with_gallium_r600
1038   _llvm_version = '>= 3.9.0'
1039 else
1040   _llvm_version = '>= 3.3.0'
1041 endif
1042
1043 _llvm = get_option('llvm')
1044 if _llvm == 'auto'
1045   dep_llvm = dependency(
1046     'llvm', version : _llvm_version, modules : llvm_modules,
1047     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1048   )
1049   with_llvm = dep_llvm.found()
1050 elif _llvm == 'true'
1051   dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1052   with_llvm = true
1053 else
1054   dep_llvm = []
1055   with_llvm = false
1056 endif
1057 if with_llvm
1058   _llvm_version = dep_llvm.version().split('.')
1059   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1060   # that for our version checks.
1061   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1062   # strippped as of 0.44, but we support older meson versions.
1063
1064   # 3 digits versions in LLVM only started from 3.4.1 on
1065   if dep_llvm.version().version_compare('>= 3.4.1')
1066     _llvm_patch = _llvm_version[2]
1067   else
1068     _llvm_patch = '0'
1069   endif
1070
1071   if _llvm_patch.endswith('svn')
1072     _llvm_patch = _llvm_patch.split('s')[0]
1073   elif _llvm_patch.contains('git')
1074     _llvm_patch = _llvm_patch.split('g')[0]
1075   endif
1076   pre_args += [
1077     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1078     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1079   ]
1080 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1081   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1082 endif
1083
1084 dep_glvnd = []
1085 if with_glvnd
1086   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1087   pre_args += '-DUSE_LIBGLVND=1'
1088 endif
1089
1090 if with_valgrind != 'false'
1091   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1092   if dep_valgrind.found()
1093     pre_args += '-DHAVE_VALGRIND'
1094   endif
1095 else
1096   dep_valgrind = []
1097 endif
1098
1099 # pthread stubs. Lets not and say we didn't
1100
1101 prog_bison = find_program('bison', required : with_any_opengl)
1102 prog_flex = find_program('flex', required : with_any_opengl)
1103
1104 dep_selinux = []
1105 if get_option('selinux')
1106   dep_selinux = dependency('libselinux')
1107   pre_args += '-DMESA_SELINUX'
1108 endif
1109
1110 # TODO: llvm-prefix and llvm-shared-libs
1111
1112 if with_libunwind != 'false'
1113   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1114   if dep_unwind.found()
1115     pre_args += '-DHAVE_LIBUNWIND'
1116   endif
1117 else
1118   dep_unwind = []
1119 endif
1120
1121 # TODO: gallium-hud
1122
1123 if with_osmesa != 'none'
1124   if with_osmesa == 'classic' and not with_dri_swrast
1125     error('OSMesa classic requires dri (classic) swrast.')
1126   endif
1127   if with_osmesa == 'gallium' and not with_gallium_softpipe
1128     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1129   endif
1130   osmesa_lib_name = 'OSMesa'
1131   osmesa_bits = get_option('osmesa-bits')
1132   if osmesa_bits != '8'
1133     if with_dri or with_glx != 'disabled'
1134       error('OSMesa bits must be 8 if building glx or dir based drivers')
1135     endif
1136     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1137     pre_args += [
1138       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1139     ]
1140   endif
1141 endif
1142
1143 # TODO: symbol mangling
1144
1145 if with_platform_wayland
1146   prog_wl_scanner = find_program('wayland-scanner')
1147   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1148   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1149   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1150   wayland_dmabuf_xml = join_paths(
1151     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1152     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1153   )
1154   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1155 else
1156   prog_wl_scanner = []
1157   dep_wl_protocols = []
1158   dep_wayland_client = []
1159   dep_wayland_server = []
1160   wayland_dmabuf_xml = ''
1161 endif
1162
1163 dep_x11 = []
1164 dep_xext = []
1165 dep_xdamage = []
1166 dep_xfixes = []
1167 dep_x11_xcb = []
1168 dep_xcb = []
1169 dep_xcb_glx = []
1170 dep_xcb_dri2 = []
1171 dep_xcb_dri3 = []
1172 dep_dri2proto = []
1173 dep_glproto = []
1174 dep_xxf86vm = []
1175 dep_xcb_dri3 = []
1176 dep_xcb_present = []
1177 dep_xcb_sync = []
1178 dep_xcb_xfixes = []
1179 dep_xshmfence = []
1180 if with_platform_x11
1181   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1182     dep_x11 = dependency('x11')
1183     dep_xext = dependency('xext')
1184     dep_xcb = dependency('xcb')
1185   elif with_glx == 'dri'
1186     dep_x11 = dependency('x11')
1187     dep_xext = dependency('xext')
1188     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1189     dep_xfixes = dependency('xfixes')
1190     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1191     dep_xxf86vm = dependency('xxf86vm', required : false)
1192   endif
1193   if (with_any_vk or with_glx == 'dri' or
1194        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_omx or
1195         with_gallium_xa))
1196     dep_xcb = dependency('xcb')
1197     dep_x11_xcb = dependency('x11-xcb')
1198   endif
1199   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
1200     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1201
1202     if with_dri3
1203       pre_args += '-DHAVE_DRI3'
1204       dep_xcb_dri3 = dependency('xcb-dri3')
1205       dep_xcb_present = dependency('xcb-present')
1206       dep_xcb_sync = dependency('xcb-sync')
1207       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1208     endif
1209   endif
1210   if with_glx == 'dri'
1211     if with_dri_platform == 'drm'
1212       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1213     endif
1214     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1215   endif
1216   if with_egl
1217     dep_xcb_xfixes = dependency('xcb-xfixes')
1218   endif
1219 endif
1220
1221 if get_option('gallium-extra-hud')
1222   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1223 endif
1224
1225 _sensors = get_option('lmsensors')
1226 if _sensors != 'false'
1227   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1228   if dep_lmsensors.found()
1229     pre_args += '-DHAVE_LIBSENSORS=1'
1230   endif
1231 else
1232   dep_lmsensors = []
1233 endif
1234
1235 # TODO: gallium tests
1236
1237 # TODO: various libdirs
1238
1239 # TODO: gallium driver dirs
1240
1241 # FIXME: this is a workaround for #2326
1242 prog_touch = find_program('touch')
1243 dummy_cpp = custom_target(
1244   'dummy_cpp',
1245   output : 'dummy.cpp',
1246   command : [prog_touch, '@OUTPUT@'],
1247 )
1248
1249 foreach a : pre_args
1250   add_project_arguments(a, language : ['c', 'cpp'])
1251 endforeach
1252 foreach a : c_args
1253   add_project_arguments(a, language : ['c'])
1254 endforeach
1255 foreach a : cpp_args
1256   add_project_arguments(a, language : ['cpp'])
1257 endforeach
1258
1259 inc_include = include_directories('include')
1260
1261 gl_priv_reqs = [
1262   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1263   'xcb-glx >= 1.8.1']
1264 if dep_libdrm.found()
1265   gl_priv_reqs += 'libdrm >= 2.4.75'
1266 endif
1267 if dep_xxf86vm != [] and dep_xxf86vm.found()
1268   gl_priv_reqs += 'xxf86vm'
1269 endif
1270 if with_dri_platform == 'drm'
1271   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1272 endif
1273
1274 gl_priv_libs = []
1275 if dep_thread.found()
1276   gl_priv_libs += ['-lpthread', '-pthread']
1277 endif
1278 if dep_m.found()
1279   gl_priv_libs += '-lm'
1280 endif
1281 if dep_dl != [] and dep_dl.found()
1282   gl_priv_libs += '-ldl'
1283 endif
1284
1285 pkg = import('pkgconfig')
1286
1287 env_test = environment()
1288 env_test.set('NM', find_program('nm').path())
1289
1290 subdir('include')
1291 subdir('bin')
1292 subdir('src')