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