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