meson.build

   1 # Copyright © 2017 Intel Corporation
   2
   3 # Permission is hereby granted, free of charge, to any person obtaining a copy
   4 # of this software and associated documentation files (the "Software"), to deal
   5 # in the Software without restriction, including without limitation the rights
   6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7 # copies of the Software, and to permit persons to whom the Software is
   8 # furnished to do so, subject to the following conditions:
   9
  10 # The above copyright notice and this permission notice shall be included in
  11 # all copies or substantial portions of the Software.
  12
  13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  19 # SOFTWARE.
  20
  21 project(
  22   'mesa',
  23   ['c', 'cpp'],
  24   version : run_command(
  25     [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
  26   ).stdout(),
  27   license : 'MIT',
  28   meson_version : '>= 0.42',
  29   default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
  30 )
  31
  32 # Arguments for the preprocessor, put these in a separate array from the C and
  33 # C++ (cpp in meson terminology) arguments since they need to be added to the
  34 # default arguments for both C and C++.
  35 pre_args = [
  36   '-D__STDC_CONSTANT_MACROS',
  37   '-D__STDC_FORMAT_MACROS',
  38   '-D__STDC_LIMIT_MACROS',
  39   '-DVERSION="@0@"'.format(meson.project_version()),
  40   '-DPACKAGE_VERSION=VERSION',
  41   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  42 ]
  43
  44 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  45 with_tests = get_option('build-tests')
  46 with_valgrind = get_option('valgrind')
  47 with_libunwind = get_option('libunwind')
  48 with_asm = get_option('asm')
  49 with_osmesa = get_option('osmesa')
  50 with_swr_arches = get_option('swr-arches').split(',')
  51 if get_option('texture-float')
  52   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  53   message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  54 endif
  55
  56 dri_drivers_path = get_option('dri-drivers-path')
  57 if dri_drivers_path == ''
  58   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  59 endif
  60 dri_search_path = get_option('dri-search-path')
  61 if dri_search_path == ''
  62   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  63 endif
  64
  65 with_gles1 = get_option('gles1')
  66 with_gles2 = get_option('gles2')
  67 with_opengl = get_option('opengl')
  68 with_any_opengl = with_opengl or with_gles1 or with_gles2
  69 # Only build shared_glapi if at least one OpenGL API is enabled
  70 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  71
  72
  73 # shared-glapi is required if at least two OpenGL APIs are being built
  74 if not with_shared_glapi
  75   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  76       or (with_gles2 and with_opengl))
  77     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  78   endif
  79 endif
  80
  81 # We require OpenGL for OpenGL ES
  82 if (with_gles1 or with_gles2) and not with_opengl
  83   error('building OpenGL ES without OpenGL is not supported.')
  84 endif
  85
  86 with_dri = false
  87 with_dri_i915 = false
  88 with_dri_i965 = false
  89 with_dri_r100 = false
  90 with_dri_r200 = false
  91 with_dri_nouveau = false
  92 with_dri_swrast = false
  93 _drivers = get_option('dri-drivers')
  94 if _drivers == 'auto'
  95   # TODO: PPC, Sparc
  96   if not ['darwin', 'windows'].contains(host_machine.system())
  97     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  98       _drivers = 'i915,i965,r100,r200,nouveau'
  99     else
 100       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 101     endif
 102   else
 103     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 104   endif
 105 endif
 106 if _drivers != ''
 107   _split = _drivers.split(',')
 108   with_dri_i915 = _split.contains('i915')
 109   with_dri_i965 = _split.contains('i965')
 110   with_dri_r100 = _split.contains('r100')
 111   with_dri_r200 = _split.contains('r200')
 112   with_dri_nouveau = _split.contains('nouveau')
 113   with_dri_swrast = _split.contains('swrast')
 114   with_dri = true
 115 endif
 116
 117 with_gallium = false
 118 with_gallium_pl111 = false
 119 with_gallium_radeonsi = false
 120 with_gallium_r300 = false
 121 with_gallium_r600 = false
 122 with_gallium_nouveau = false
 123 with_gallium_freedreno = false
 124 with_gallium_softpipe = false
 125 with_gallium_vc4 = false
 126 with_gallium_vc5 = false
 127 with_gallium_etnaviv = false
 128 with_gallium_imx = false
 129 with_gallium_i915 = false
 130 with_gallium_svga = false
 131 with_gallium_virgl = false
 132 with_gallium_swr = false
 133 _drivers = get_option('gallium-drivers')
 134 if _drivers == 'auto'
 135   if not ['darwin', 'windows'].contains(host_machine.system())
 136     # TODO: PPC, Sparc
 137     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 138       _drivers = 'r300,r600,radeonsi,nouveau,virgl,svga,swrast'
 139     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 140       _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,virgl,svga,swrast'
 141     else
 142       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 143     endif
 144   else
 145     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 146   endif
 147 endif
 148 if _drivers != ''
 149   _split = _drivers.split(',')
 150   with_gallium_pl111 = _split.contains('pl111')
 151   with_gallium_radeonsi = _split.contains('radeonsi')
 152   with_gallium_r300 = _split.contains('r300')
 153   with_gallium_r600 = _split.contains('r600')
 154   with_gallium_nouveau = _split.contains('nouveau')
 155   with_gallium_freedreno = _split.contains('freedreno')
 156   with_gallium_softpipe = _split.contains('swrast')
 157   with_gallium_vc4 = _split.contains('vc4')
 158   with_gallium_vc5 = _split.contains('vc5')
 159   with_gallium_etnaviv = _split.contains('etnaviv')
 160   with_gallium_imx = _split.contains('imx')
 161   with_gallium_i915 = _split.contains('i915')
 162   with_gallium_svga = _split.contains('svga')
 163   with_gallium_virgl = _split.contains('virgl')
 164   with_gallium_swr = _split.contains('swr')
 165   with_gallium = true
 166 endif
 167
 168 with_intel_vk = false
 169 with_amd_vk = false
 170 with_any_vk = false
 171 _vulkan_drivers = get_option('vulkan-drivers')
 172 if _vulkan_drivers == 'auto'
 173   if not ['darwin', 'windows'].contains(host_machine.system())
 174     if host_machine.cpu_family().startswith('x86')
 175       _vulkan_drivers = 'amd,intel'
 176     else
 177       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 178     endif
 179   else
 180     # No vulkan driver supports windows or macOS currently
 181     _vulkan_drivers = ''
 182   endif
 183 endif
 184 if _vulkan_drivers != ''
 185   _split = _vulkan_drivers.split(',')
 186   with_intel_vk = _split.contains('intel')
 187   with_amd_vk = _split.contains('amd')
 188   with_any_vk = with_amd_vk or with_intel_vk
 189 endif
 190
 191 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 192   error('Only one swrast provider can be built')
 193 endif
 194 if with_dri_i915 and with_gallium_i915
 195   error('Only one i915 provider can be built')
 196 endif
 197 if with_gallium_imx and not with_gallium_etnaviv
 198   error('IMX driver requires etnaviv driver')
 199 endif
 200 if with_gallium_pl111 and not with_gallium_vc4
 201   error('pl111 driver requires vc4 driver')
 202 endif
 203
 204 dep_libdrm_intel = []
 205 if with_dri_i915 or with_gallium_i915
 206   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 207 endif
 208
 209 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
 210
 211 if host_machine.system() == 'darwin'
 212   with_dri_platform = 'apple'
 213 elif ['windows', 'cygwin'].contains(host_machine.system())
 214   with_dri_platform = 'windows'
 215 elif system_has_kms_drm
 216   with_dri_platform = 'drm'
 217 else
 218   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 219   # assert here that one of those cases has been met.
 220   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 221   # support Hurd at time of writing (2017/11)
 222   # FIXME: illumos ends up here as well
 223   with_dri_platform = 'none'
 224 endif
 225
 226 with_platform_android = false
 227 with_platform_wayland = false
 228 with_platform_x11 = false
 229 with_platform_drm = false
 230 with_platform_surfaceless = false
 231 egl_native_platform = ''
 232 _platforms = get_option('platforms')
 233 if _platforms == 'auto'
 234   if system_has_kms_drm
 235     _platforms = 'x11,wayland,drm,surfaceless'
 236   else
 237     error('Unknown OS, no platforms enabled. Patches gladly accepted to fix this.')
 238   endif
 239 endif
 240 if _platforms != ''
 241   _split = _platforms.split(',')
 242   with_platform_android = _split.contains('android')
 243   with_platform_x11 = _split.contains('x11')
 244   with_platform_wayland = _split.contains('wayland')
 245   with_platform_drm = _split.contains('drm')
 246   with_platform_surfaceless = _split.contains('surfaceless')
 247   egl_native_platform = _split[0]
 248 endif
 249
 250 with_glx = get_option('glx')
 251 if with_glx == 'auto'
 252   if with_dri
 253     with_glx = 'dri'
 254   elif with_gallium
 255     # Even when building just gallium drivers the user probably wants dri
 256     with_glx = 'dri'
 257   elif with_platform_x11 and with_any_opengl and not with_any_vk
 258     # The automatic behavior should not be to turn on xlib based glx when
 259     # building only vulkan drivers
 260     with_glx = 'xlib'
 261   else
 262     with_glx = 'disabled'
 263   endif
 264 endif
 265 if with_glx == 'dri'
 266    if with_gallium
 267       with_dri = true
 268    endif
 269 endif
 270
 271 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 272   with_gles1 = false
 273   with_gles2 = false
 274   with_opengl = false
 275   with_any_opengl = false
 276   with_shared_glapi = false
 277 endif
 278
 279 with_gbm = get_option('gbm')
 280 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 281   with_gbm = system_has_kms_drm
 282 elif with_gbm == 'true'
 283   if not system_has_kms_drm
 284     error('GBM only supports DRM/KMS platforms')
 285   endif
 286   with_gbm = true
 287 else
 288   with_gbm = false
 289 endif
 290
 291 _egl = get_option('egl')
 292 if _egl == 'auto'
 293   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 294 elif _egl == 'true'
 295   if not with_dri
 296     error('EGL requires dri')
 297   elif not with_shared_glapi
 298     error('EGL requires shared-glapi')
 299   elif egl_native_platform == ''
 300     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 301   endif
 302   with_egl = true
 303 else
 304   with_egl = false
 305 endif
 306
 307 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 308   if with_gallium_radeonsi
 309     error('RadeonSI requires drm or surfaceless platform when using EGL')
 310   endif
 311   if with_gallium_virgl
 312     error('Virgl requires drm or surfaceless platform when using EGL')
 313   endif
 314 endif
 315
 316 pre_args += '-DGLX_USE_TLS'
 317 if with_glx != 'disabled'
 318   if not (with_platform_x11 and with_any_opengl)
 319     if with_glx == 'auto'
 320       with_glx = 'disabled'
 321     else
 322       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 323     endif
 324   elif with_glx == 'gallium-xlib'
 325     if not with_gallium
 326       error('Gallium-xlib based GLX requires at least one gallium driver')
 327     elif not with_gallium_softpipe
 328       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 329     elif with_dri
 330       error('gallium-xlib conflicts with any dri driver')
 331     endif
 332   elif with_glx == 'xlib'
 333     if with_dri
 334       error('xlib conflicts with any dri driver')
 335     endif
 336   elif with_glx == 'dri' and not with_dri
 337     error('dri based GLX requires at least one DRI driver')
 338   endif
 339 endif
 340
 341 with_glvnd = get_option('glvnd')
 342 if with_glvnd
 343   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 344     error('Cannot build glvnd support for GLX that is not DRI based.')
 345   elif with_glx == 'disabled' and not with_egl
 346     error('glvnd requires DRI based GLX and/or EGL')
 347   endif
 348 endif
 349
 350 # TODO: toggle for this
 351 with_glx_direct = true
 352
 353 if with_vulkan_icd_dir == ''
 354   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 355 endif
 356
 357 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 358 with_dri3 = get_option('dri3')
 359 if with_dri3 == 'auto'
 360   with_dri3 = system_has_kms_drm and with_dri2
 361 else
 362   with_dri3 = with_dri3 == 'true'
 363 endif
 364
 365 if with_any_vk and (with_platform_x11 and not with_dri3)
 366   error('Vulkan drivers require dri3 for X11 support')
 367 endif
 368 if with_dri or with_gallium
 369   if with_glx == 'disabled' and not with_egl
 370     error('building dri or gallium drivers require at least one window system')
 371   endif
 372 endif
 373
 374 prog_pkgconfig = find_program('pkg-config')
 375
 376 _vdpau = get_option('gallium-vdpau')
 377 if not system_has_kms_drm
 378   if _vdpau == 'true'
 379     error('VDPAU state tracker can only be build on unix-like OSes.')
 380   else
 381     _vdpau = 'false'
 382   endif
 383 elif not with_platform_x11
 384   if _vdpau == 'true'
 385     error('VDPAU state tracker requires X11 support.')
 386   else
 387     _vdpau = 'false'
 388   endif
 389 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 390           with_gallium_nouveau)
 391   if _vdpau == 'true'
 392     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 393   else
 394     _vdpau = 'false'
 395   endif
 396 elif _vdpau == 'auto'
 397   _vdpau = 'true'
 398 endif
 399 with_gallium_vdpau = _vdpau == 'true'
 400 dep_vdpau = []
 401 if with_gallium_vdpau
 402   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 403   dep_vdpau = declare_dependency(
 404     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 405   )
 406 endif
 407
 408 if with_gallium_vdpau
 409   pre_args += '-DHAVE_ST_VDPAU'
 410 endif
 411 vdpau_drivers_path = get_option('vdpau-libs-path')
 412 if vdpau_drivers_path == ''
 413   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 414 endif
 415
 416 _xvmc = get_option('gallium-xvmc')
 417 if not system_has_kms_drm
 418   if _xvmc == 'true'
 419     error('XVMC state tracker can only be build on unix-like OSes.')
 420   else
 421     _xvmc = 'false'
 422   endif
 423 elif not with_platform_x11
 424   if _xvmc == 'true'
 425     error('XVMC state tracker requires X11 support.')
 426   else
 427     _xvmc = 'false'
 428   endif
 429 elif not (with_gallium_r600 or with_gallium_nouveau)
 430   if _xvmc == 'true'
 431     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 432   else
 433     _xvmc = 'false'
 434   endif
 435 elif _xvmc == 'auto'
 436   _xvmc = 'true'
 437 endif
 438 with_gallium_xvmc = _xvmc == 'true'
 439 dep_xvmc = []
 440 if with_gallium_xvmc
 441   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 442   dep_xvmc = declare_dependency(
 443     compile_args : run_command(prog_pkgconfig, ['xvmc', '--cflags']).stdout().split()
 444   )
 445 endif
 446
 447 xvmc_drivers_path = get_option('xvmc-libs-path')
 448 if xvmc_drivers_path == ''
 449   xvmc_drivers_path = get_option('libdir')
 450 endif
 451
 452 _omx = get_option('gallium-omx')
 453 if not system_has_kms_drm
 454   if _omx == 'true'
 455     error('OMX state tracker can only be built on unix-like OSes.')
 456   else
 457     _omx = 'false'
 458   endif
 459 elif not (with_platform_x11 or with_platform_drm)
 460   if _omx == 'true'
 461     error('OMX state tracker requires X11 or drm platform support.')
 462   else
 463     _omx = 'false'
 464   endif
 465 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 466   if _omx == 'true'
 467     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 468   else
 469     _omx = 'false'
 470   endif
 471 elif _omx == 'auto'
 472   _omx = 'true'
 473 endif
 474 with_gallium_omx = _omx == 'true'
 475 dep_omx = []
 476 if with_gallium_omx
 477   dep_omx = dependency('libomxil-bellagio')
 478 endif
 479
 480 omx_drivers_path = get_option('omx-libs-path')
 481 if with_gallium_omx
 482   # Figure out where to put the omx driver.
 483   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 484   # argument to meson's get_pkgconfig_variable method.
 485   if omx_drivers_path == ''
 486     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 487     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 488     if _omx_libdir == get_option('libdir')
 489       omx_drivers_path = _omx_drivers_dir
 490     else
 491       _omx_base_dir = []
 492       # This will fail on windows. Does OMX run on windows?
 493       _omx_libdir = _omx_libdir.split('/')
 494       _omx_drivers_dir = _omx_drivers_dir.split('/')
 495       foreach o : _omx_drivers_dir
 496         if not _omx_libdir.contains(o)
 497           _omx_base_dir += o
 498         endif
 499       endforeach
 500       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 501     endif
 502   endif
 503 endif
 504 if with_gallium_omx
 505   dep_omx = declare_dependency(
 506     compile_args : run_command(prog_pkgconfig, ['libomxil-bellagio', '--cflags']).stdout().split()
 507   )
 508 endif
 509
 510 _va = get_option('gallium-va')
 511 if not system_has_kms_drm
 512   if _va == 'true'
 513     error('VA state tracker can only be built on unix-like OSes.')
 514   else
 515     _va = 'false'
 516   endif
 517 elif not (with_platform_x11 or with_platform_drm)
 518   if _va == 'true'
 519     error('VA state tracker requires X11 or drm or wayland platform support.')
 520   else
 521     _va = 'false'
 522   endif
 523 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 524   if _va == 'true'
 525     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 526   else
 527     _va = 'false'
 528   endif
 529 elif _va == 'auto'
 530   _va = 'true'
 531 endif
 532 with_gallium_va = _va == 'true'
 533 dep_va = []
 534 if with_gallium_va
 535   dep_va = dependency('libva', version : '>= 0.38.0')
 536   dep_va = declare_dependency(
 537     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 538   )
 539 endif
 540
 541 va_drivers_path = get_option('va-libs-path')
 542 if va_drivers_path == ''
 543   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 544 endif
 545
 546 _xa = get_option('gallium-xa')
 547 if not system_has_kms_drm
 548   if _xa == 'true'
 549     error('XA state tracker can only be built on unix-like OSes.')
 550   else
 551     _xa = 'false'
 552   endif
 553 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 554           or with_gallium_svga)
 555   if _xa == 'true'
 556     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 557   else
 558     _xa = 'false'
 559   endif
 560 endif
 561 with_gallium_xa = _xa != 'false'
 562
 563 d3d_drivers_path = get_option('d3d-drivers-path')
 564 if d3d_drivers_path == ''
 565   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 566 endif
 567
 568 with_gallium_st_nine =  get_option('gallium-nine')
 569 if with_gallium_st_nine
 570   if not with_gallium_softpipe
 571     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 572   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 573             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 574     error('The nine state tracker requires at least on non-swrast gallium driver.')
 575   endif
 576   if not with_dri3
 577     error('Using nine with wine requires dri3')
 578   endif
 579 endif
 580
 581 _opencl = get_option('gallium-opencl')
 582 if _opencl != 'disabled'
 583   if not with_gallium
 584     error('OpenCL Clover implementation requires at least one gallium driver.')
 585   endif
 586
 587   # TODO: alitvec?
 588   dep_clc = dependency('libclc')
 589   with_gallium_opencl = true
 590   with_opencl_icd = _opencl == 'icd'
 591 else
 592   dep_clc = []
 593   with_gallium_opencl = false
 594   with_gallium_icd = false
 595 endif
 596
 597 gl_pkgconfig_c_flags = []
 598 if with_platform_x11
 599   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 600     pre_args += '-DHAVE_X11_PLATFORM'
 601   endif
 602   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 603     pre_args += '-DUSE_XSHM'
 604   else
 605     pre_args += '-DGLX_INDIRECT_RENDERING'
 606     if with_glx_direct
 607       pre_args += '-DGLX_DIRECT_RENDERING'
 608     endif
 609     if with_dri_platform == 'drm'
 610       pre_args += '-DGLX_USE_DRM'
 611     elif with_dri_platform == 'windows'
 612       pre_args += '-DGLX_USE_WINDOWSGL'
 613     endif
 614   endif
 615 else
 616   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 617   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 618 endif
 619 if with_platform_drm
 620   if with_egl and not with_gbm
 621     error('EGL drm platform requires gbm')
 622   endif
 623   pre_args += '-DHAVE_DRM_PLATFORM'
 624 endif
 625 if with_platform_surfaceless
 626   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 627 endif
 628 if with_platform_android
 629   dep_android = [
 630     dependency('cutils'),
 631     dependency('hardware'),
 632     dependency('sync'),
 633   ]
 634   pre_args += '-DHAVE_ANDROID_PLATFORM'
 635 endif
 636
 637 prog_python2 = find_program('python2')
 638 has_mako = run_command(prog_python2, '-c', 'import mako')
 639 if has_mako.returncode() != 0
 640   error('Python (2.x) mako module required to build mesa.')
 641 endif
 642
 643 cc = meson.get_compiler('c')
 644 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 645   error('When using GCC, version 4.4.6 or later is required.')
 646 endif
 647
 648 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 649 if get_option('buildtype') == 'debug'
 650   pre_args += '-DDEBUG'
 651 endif
 652
 653 if get_option('shader-cache')
 654   pre_args += '-DENABLE_SHADER_CACHE'
 655 elif with_amd_vk
 656   error('Radv requires shader cache support')
 657 endif
 658
 659 # Check for GCC style builtins
 660 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 661              'ffsll', 'popcount', 'popcountll', 'unreachable']
 662   if cc.has_function(b)
 663     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 664   endif
 665 endforeach
 666
 667 # check for GCC __attribute__
 668 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 669              'warn_unused_result', 'weak',]
 670   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 671                  name : '__attribute__((@0@))'.format(a))
 672     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 673   endif
 674 endforeach
 675 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 676                name : '__attribute__((format(...)))')
 677   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 678 endif
 679 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 680                name : '__attribute__((packed))')
 681   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 682 endif
 683 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 684                name : '__attribute__((returns_nonnull))')
 685   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 686 endif
 687 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 688                   int foo_hid(void) __attribute__((visibility("hidden")));
 689                   int foo_int(void) __attribute__((visibility("internal")));
 690                   int foo_pro(void) __attribute__((visibility("protected")));''',
 691                name : '__attribute__((visibility(...)))')
 692   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 693 endif
 694 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 695                name : '__attribute__((alias(...)))')
 696   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 697 endif
 698 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 699                name : '__attribute__((__noreturn__))')
 700   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 701 endif
 702
 703 # TODO: this is very incomplete
 704 if ['linux', 'cygwin'].contains(host_machine.system())
 705   pre_args += '-D_GNU_SOURCE'
 706 endif
 707
 708 # Check for generic C arguments
 709 c_args = []
 710 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 711              '-Werror=missing-prototypes', '-fno-math-errno',
 712              '-fno-trapping-math', '-Qunused-arguments']
 713   if cc.has_argument(a)
 714     c_args += a
 715   endif
 716 endforeach
 717 c_vis_args = []
 718 if cc.has_argument('-fvisibility=hidden')
 719   c_vis_args += '-fvisibility=hidden'
 720 endif
 721
 722 # Check for generic C++ arguments
 723 cpp = meson.get_compiler('cpp')
 724 cpp_args = []
 725 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 726              '-Qunused-arguments']
 727   if cpp.has_argument(a)
 728     cpp_args += a
 729   endif
 730 endforeach
 731
 732 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 733 # option is not supported. Hence, check for -Wfoo instead.
 734 if cpp.has_argument('-Wnon-virtual-dtor')
 735   cpp_args += '-Wno-non-virtual-dtor'
 736 endif
 737
 738 no_override_init_args = []
 739 foreach a : ['override-init', 'initializer-overrides']
 740   if cc.has_argument('-W' + a)
 741     no_override_init_args += '-Wno-' + a
 742   endif
 743 endforeach
 744
 745 cpp_vis_args = []
 746 if cpp.has_argument('-fvisibility=hidden')
 747   cpp_vis_args += '-fvisibility=hidden'
 748 endif
 749
 750 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 751 # in parts of the mesa code base that need to compile with old versions of
 752 # MSVC, mainly common code
 753 c_msvc_compat_args = []
 754 cpp_msvc_compat_args = []
 755 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 756   if cc.has_argument(a)
 757     c_msvc_compat_args += a
 758   endif
 759   if cpp.has_argument(a)
 760     cpp_msvc_compat_args += a
 761   endif
 762 endforeach
 763
 764 if host_machine.cpu_family().startswith('x86')
 765   pre_args += '-DUSE_SSE41'
 766   with_sse41 = true
 767   sse41_args = ['-msse4.1']
 768
 769   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 770   # that's not guaranteed
 771   if host_machine.cpu_family() == 'x86'
 772     sse41_args += '-mstackrealign'
 773   endif
 774 else
 775   with_sse41 = false
 776   sse41_args = []
 777 endif
 778
 779 # Check for GCC style atomics
 780 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 781                name : 'GCC atomic builtins')
 782   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 783 endif
 784 if not cc.links('''#include <stdint.h>
 785                    uint64_t v;
 786                    int main() {
 787                      return __sync_add_and_fetch(&v, (uint64_t)1);
 788                    }''',
 789                 name : 'GCC 64bit atomics')
 790   pre_args += '-DMISSING_64_BIT_ATOMICS'
 791 endif
 792
 793 # TODO: endian
 794 # TODO: powr8
 795 # TODO: shared/static? Is this even worth doing?
 796
 797 # Building x86 assembly code requires running x86 binaries. It is possible for
 798 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 799 # TODO: it should be possible to use an exe_wrapper to run the binary during
 800 # the build.
 801 if meson.is_cross_build()
 802   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 803           and build_machine.system() == host_machine.system())
 804     message('Cross compiling to x86 from non-x86, disabling asm')
 805     with_asm = false
 806   endif
 807 endif
 808
 809 with_asm_arch = ''
 810 if with_asm
 811   # TODO: SPARC and PPC
 812   if host_machine.cpu_family() == 'x86'
 813     if system_has_kms_drm
 814       with_asm_arch = 'x86'
 815       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 816                    '-DUSE_SSE_ASM']
 817     endif
 818   elif host_machine.cpu_family() == 'x86_64'
 819     if system_has_kms_drm
 820       with_asm_arch = 'x86_64'
 821       pre_args += ['-DUSE_X86_64_ASM']
 822     endif
 823   elif host_machine.cpu_family() == 'arm'
 824     if system_has_kms_drm
 825       with_asm_arch = 'arm'
 826       pre_args += ['-DUSE_ARM_ASM']
 827     endif
 828   elif host_machine.cpu_family() == 'aarch64'
 829     if system_has_kms_drm
 830       with_asm_arch = 'aarch64'
 831       pre_args += ['-DUSE_AARCH64_ASM']
 832     endif
 833   endif
 834 endif
 835
 836 # Check for standard headers and functions
 837 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 838   pre_args += '-DMAJOR_IN_SYSMACROS'
 839 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 840   pre_args += '-DMAJOR_IN_MKDEV'
 841 endif
 842
 843 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 844   if cc.has_header(h)
 845     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 846   endif
 847 endforeach
 848
 849 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 850   if cc.has_function(f)
 851     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 852   endif
 853 endforeach
 854
 855 # strtod locale support
 856 if cc.links('''
 857     #define _GNU_SOURCE
 858     #include <stdlib.h>
 859     #include <locale.h>
 860     #ifdef HAVE_XLOCALE_H
 861     #include <xlocale.h>
 862     #endif
 863     int main() {
 864       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 865       const char *s = "1.0";
 866       char *end;
 867       double d = strtod_l(s, end, loc);
 868       float f = strtof_l(s, end, loc);
 869       freelocale(loc);
 870       return 0;
 871     }''',
 872     extra_args : pre_args,
 873     name : 'strtod has locale support')
 874   pre_args += '-DHAVE_STRTOD_L'
 875 endif
 876
 877 # Check for some linker flags
 878 ld_args_bsymbolic = []
 879 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 880   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 881 endif
 882 ld_args_gc_sections = []
 883 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 884             args : '-Wl,--gc-sections', name : 'gc-sections')
 885   ld_args_gc_sections += '-Wl,--gc-sections'
 886 endif
 887 with_ld_version_script = false
 888 if cc.links('int main() { return 0; }',
 889             args : '-Wl,--version-script=@0@'.format(
 890               join_paths(meson.source_root(), 'build-support/conftest.map')),
 891             name : 'version-script')
 892   with_ld_version_script = true
 893 endif
 894 with_ld_dynamic_list = false
 895 if cc.links('int main() { return 0; }',
 896             args : '-Wl,--dynamic-list=@0@'.format(
 897               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 898             name : 'dynamic-list')
 899   with_ld_dynamic_list = true
 900 endif
 901
 902 # check for dl support
 903 if cc.has_function('dlopen')
 904   dep_dl = []
 905 else
 906   dep_dl = cc.find_library('dl')
 907 endif
 908 if cc.has_function('dladdr', dependencies : dep_dl)
 909   # This is really only required for megadrivers
 910   pre_args += '-DHAVE_DLADDR'
 911 endif
 912
 913 if cc.has_function('dl_iterate_phdr')
 914   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 915 elif with_intel_vk
 916   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 917 elif with_dri_i965 and get_option('shader-cache')
 918   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 919 endif
 920
 921 # Determine whether or not the rt library is needed for time functions
 922 if cc.has_function('clock_gettime')
 923   dep_clock = []
 924 else
 925   dep_clock = cc.find_library('rt')
 926 endif
 927
 928 with_gallium_drisw_kms = false
 929 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 930                         required : with_dri2 or with_dri3)
 931 if dep_libdrm.found()
 932   pre_args += '-DHAVE_LIBDRM'
 933   if with_dri_platform == 'drm' and with_dri
 934     with_gallium_drisw_kms = true
 935   endif
 936 endif
 937
 938 # TODO: some of these may be conditional
 939 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 940 pre_args += '-DHAVE_ZLIB'
 941 dep_thread = dependency('threads')
 942 if dep_thread.found() and host_machine.system() != 'windows'
 943   pre_args += '-DHAVE_PTHREAD'
 944 endif
 945 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
 946   dep_elf = dependency('libelf', required : false)
 947   if not dep_elf.found()
 948     dep_elf = cc.find_library('elf')
 949   endif
 950 else
 951   dep_elf = []
 952 endif
 953 dep_expat = dependency('expat')
 954 # this only exists on linux so either this is linux and it will be found, or
 955 # its not linux and and wont
 956 dep_m = cc.find_library('m', required : false)
 957
 958 dep_libdrm_amdgpu = []
 959 dep_libdrm_radeon = []
 960 dep_libdrm_nouveau = []
 961 dep_libdrm_etnaviv = []
 962 dep_libdrm_freedreno = []
 963 if with_amd_vk or with_gallium_radeonsi
 964   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.89')
 965 endif
 966 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
 967     with_gallium_r300 or with_gallium_r600)
 968   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 969 endif
 970 if with_gallium_nouveau or with_dri_nouveau
 971   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 972 endif
 973 if with_gallium_etnaviv
 974   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 975 endif
 976 if with_gallium_freedreno
 977   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
 978 endif
 979
 980 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 981 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
 982   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 983   if with_gallium_r600
 984     llvm_modules += 'asmparser'
 985   endif
 986 endif
 987 if with_gallium_opencl
 988   llvm_modules += [
 989     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
 990     'lto', 'option', 'objcarcopts', 'profiledata',
 991   ]
 992   # TODO: optional modules
 993 endif
 994
 995 _llvm = get_option('llvm')
 996 if _llvm == 'auto'
 997   dep_llvm = dependency(
 998     'llvm', version : '>= 3.9.0', modules : llvm_modules,
 999     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1000   )
1001   with_llvm = dep_llvm.found()
1002 elif _llvm == 'true'
1003   dep_llvm = dependency('llvm', version : '>= 3.9.0', modules : llvm_modules)
1004   with_llvm = true
1005 else
1006   dep_llvm = []
1007   with_llvm = false
1008 endif
1009 if with_llvm
1010   _llvm_version = dep_llvm.version().split('.')
1011   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1012   # that for our version checks.
1013   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1014   # strippped as of 0.44, but we support older meson versions.
1015   _llvm_patch = _llvm_version[2]
1016   if _llvm_patch.endswith('svn')
1017     _llvm_patch = _llvm_patch.split('s')[0]
1018   elif _llvm_patch.contains('git')
1019     _llvm_patch = _llvm_patch.split('g')[0]
1020   endif
1021   pre_args += [
1022     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1023     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1024   ]
1025 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1026   error('The following drivers requires LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1027 endif
1028
1029 dep_glvnd = []
1030 if with_glvnd
1031   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1032   pre_args += '-DUSE_LIBGLVND=1'
1033 endif
1034
1035 if with_valgrind != 'false'
1036   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1037   if dep_valgrind.found()
1038     pre_args += '-DHAVE_VALGRIND'
1039   endif
1040 else
1041   dep_valgrind = []
1042 endif
1043
1044 # pthread stubs. Lets not and say we didn't
1045
1046 prog_bison = find_program('bison', required : with_any_opengl)
1047 prog_flex = find_program('flex', required : with_any_opengl)
1048
1049 dep_selinux = []
1050 if get_option('selinux')
1051   dep_selinux = dependency('libselinux')
1052   pre_args += '-DMESA_SELINUX'
1053 endif
1054
1055 # TODO: llvm-prefix and llvm-shared-libs
1056
1057 if with_libunwind != 'false'
1058   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1059   if dep_unwind.found()
1060     pre_args += '-DHAVE_LIBUNWIND'
1061   endif
1062 else
1063   dep_unwind = []
1064 endif
1065
1066 # TODO: gallium-hud
1067
1068 if with_osmesa != 'none'
1069   if with_osmesa == 'classic' and not with_dri_swrast
1070     error('OSMesa classic requires dri (classic) swrast.')
1071   endif
1072   if with_osmesa == 'gallium' and not with_gallium_softpipe
1073     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1074   endif
1075   osmesa_lib_name = 'OSMesa'
1076   osmesa_bits = get_option('osmesa-bits')
1077   if osmesa_bits != '8'
1078     if with_dri or with_glx != 'disabled'
1079       error('OSMesa bits must be 8 if building glx or dir based drivers')
1080     endif
1081     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1082     pre_args += [
1083       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1084     ]
1085   endif
1086 endif
1087
1088 # TODO: symbol mangling
1089
1090 if with_platform_wayland
1091   prog_wl_scanner = find_program('wayland-scanner')
1092   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1093   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1094   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1095   wayland_dmabuf_xml = join_paths(
1096     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1097     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1098   )
1099   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1100 else
1101   prog_wl_scanner = []
1102   dep_wl_protocols = []
1103   dep_wayland_client = []
1104   dep_wayland_server = []
1105   wayland_dmabuf_xml = ''
1106 endif
1107
1108 dep_x11 = []
1109 dep_xext = []
1110 dep_xdamage = []
1111 dep_xfixes = []
1112 dep_x11_xcb = []
1113 dep_xcb = []
1114 dep_xcb_glx = []
1115 dep_xcb_dri2 = []
1116 dep_xcb_dri3 = []
1117 dep_dri2proto = []
1118 dep_glproto = []
1119 dep_xxf86vm = []
1120 dep_xcb_dri3 = []
1121 dep_xcb_present = []
1122 dep_xcb_sync = []
1123 dep_xcb_xfixes = []
1124 dep_xshmfence = []
1125 if with_platform_x11
1126   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1127     dep_x11 = dependency('x11')
1128     dep_xext = dependency('xext')
1129     dep_xcb = dependency('xcb')
1130   elif with_glx == 'dri'
1131     dep_x11 = dependency('x11')
1132     dep_xext = dependency('xext')
1133     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1134     dep_xfixes = dependency('xfixes')
1135     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1136     dep_xxf86vm = dependency('xxf86vm', required : false)
1137   endif
1138   if (with_any_vk or with_glx == 'dri' or
1139        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_omx or
1140         with_gallium_xa))
1141     dep_xcb = dependency('xcb')
1142     dep_x11_xcb = dependency('x11-xcb')
1143   endif
1144   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
1145     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1146
1147     if with_dri3
1148       pre_args += '-DHAVE_DRI3'
1149       dep_xcb_dri3 = dependency('xcb-dri3')
1150       dep_xcb_present = dependency('xcb-present')
1151       dep_xcb_sync = dependency('xcb-sync')
1152       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1153     endif
1154   endif
1155   if with_glx == 'dri'
1156     if with_dri_platform == 'drm'
1157       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1158     endif
1159     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1160   endif
1161   if with_egl
1162     dep_xcb_xfixes = dependency('xcb-xfixes')
1163   endif
1164 endif
1165
1166 if get_option('gallium-extra-hud')
1167   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1168 endif
1169
1170 _sensors = get_option('lmsensors')
1171 if _sensors != 'false'
1172   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1173   if dep_lmsensors.found()
1174     pre_args += '-DHAVE_LIBSENSORS=1'
1175   endif
1176 else
1177   dep_lmsensors = []
1178 endif
1179
1180 # TODO: gallium tests
1181
1182 # TODO: various libdirs
1183
1184 # TODO: gallium driver dirs
1185
1186 # FIXME: this is a workaround for #2326
1187 prog_touch = find_program('touch')
1188 dummy_cpp = custom_target(
1189   'dummy_cpp',
1190   output : 'dummy.cpp',
1191   command : [prog_touch, '@OUTPUT@'],
1192 )
1193
1194 foreach a : pre_args
1195   add_project_arguments(a, language : ['c', 'cpp'])
1196 endforeach
1197 foreach a : c_args
1198   add_project_arguments(a, language : ['c'])
1199 endforeach
1200 foreach a : cpp_args
1201   add_project_arguments(a, language : ['cpp'])
1202 endforeach
1203
1204 inc_include = include_directories('include')
1205
1206 gl_priv_reqs = [
1207   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1208   'xcb-glx >= 1.8.1']
1209 if dep_libdrm.found()
1210   gl_priv_reqs += 'libdrm >= 2.4.75'
1211 endif
1212 if dep_xxf86vm != [] and dep_xxf86vm.found()
1213   gl_priv_reqs += 'xxf86vm'
1214 endif
1215 if with_dri_platform == 'drm'
1216   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1217 endif
1218
1219 gl_priv_libs = []
1220 if dep_thread.found()
1221   gl_priv_libs += ['-lpthread', '-pthread']
1222 endif
1223 if dep_m.found()
1224   gl_priv_libs += '-lm'
1225 endif
1226 if dep_dl != [] and dep_dl.found()
1227   gl_priv_libs += '-ldl'
1228 endif
1229
1230 pkg = import('pkgconfig')
1231
1232 subdir('include')
1233 subdir('bin')
1234 subdir('src')