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   dep_xvmc = declare_dependency(
 456     compile_args : run_command(prog_pkgconfig, ['xvmc', '--cflags']).stdout().split()
 457   )
 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
 647 prog_python2 = find_program('python2')
 648 has_mako = run_command(prog_python2, '-c', 'import mako')
 649 if has_mako.returncode() != 0
 650   error('Python (2.x) mako module required to build mesa.')
 651 endif
 652
 653 cc = meson.get_compiler('c')
 654 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 655   error('When using GCC, version 4.4.6 or later is required.')
 656 endif
 657
 658 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 659 if get_option('buildtype') == 'debug'
 660   pre_args += '-DDEBUG'
 661 endif
 662
 663 if get_option('shader-cache')
 664   pre_args += '-DENABLE_SHADER_CACHE'
 665 elif with_amd_vk
 666   error('Radv requires shader cache support')
 667 endif
 668
 669 # Check for GCC style builtins
 670 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 671              'ffsll', 'popcount', 'popcountll', 'unreachable']
 672   if cc.has_function(b)
 673     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 674   endif
 675 endforeach
 676
 677 # check for GCC __attribute__
 678 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 679              'warn_unused_result', 'weak',]
 680   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 681                  name : '__attribute__((@0@))'.format(a))
 682     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 683   endif
 684 endforeach
 685 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 686                name : '__attribute__((format(...)))')
 687   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 688 endif
 689 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 690                name : '__attribute__((packed))')
 691   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 692 endif
 693 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 694                name : '__attribute__((returns_nonnull))')
 695   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 696 endif
 697 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 698                   int foo_hid(void) __attribute__((visibility("hidden")));
 699                   int foo_int(void) __attribute__((visibility("internal")));
 700                   int foo_pro(void) __attribute__((visibility("protected")));''',
 701                name : '__attribute__((visibility(...)))')
 702   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 703 endif
 704 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 705                name : '__attribute__((alias(...)))')
 706   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 707 endif
 708 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 709                name : '__attribute__((__noreturn__))')
 710   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 711 endif
 712
 713 # TODO: this is very incomplete
 714 if ['linux', 'cygwin'].contains(host_machine.system())
 715   pre_args += '-D_GNU_SOURCE'
 716 endif
 717
 718 # Check for generic C arguments
 719 c_args = []
 720 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 721              '-Werror=missing-prototypes', '-fno-math-errno',
 722              '-fno-trapping-math', '-Qunused-arguments']
 723   if cc.has_argument(a)
 724     c_args += a
 725   endif
 726 endforeach
 727 c_vis_args = []
 728 if cc.has_argument('-fvisibility=hidden')
 729   c_vis_args += '-fvisibility=hidden'
 730 endif
 731
 732 # Check for generic C++ arguments
 733 cpp = meson.get_compiler('cpp')
 734 cpp_args = []
 735 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 736              '-Qunused-arguments']
 737   if cpp.has_argument(a)
 738     cpp_args += a
 739   endif
 740 endforeach
 741
 742 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 743 # option is not supported. Hence, check for -Wfoo instead.
 744 if cpp.has_argument('-Wnon-virtual-dtor')
 745   cpp_args += '-Wno-non-virtual-dtor'
 746 endif
 747
 748 no_override_init_args = []
 749 foreach a : ['override-init', 'initializer-overrides']
 750   if cc.has_argument('-W' + a)
 751     no_override_init_args += '-Wno-' + a
 752   endif
 753 endforeach
 754
 755 cpp_vis_args = []
 756 if cpp.has_argument('-fvisibility=hidden')
 757   cpp_vis_args += '-fvisibility=hidden'
 758 endif
 759
 760 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 761 # in parts of the mesa code base that need to compile with old versions of
 762 # MSVC, mainly common code
 763 c_msvc_compat_args = []
 764 cpp_msvc_compat_args = []
 765 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 766   if cc.has_argument(a)
 767     c_msvc_compat_args += a
 768   endif
 769   if cpp.has_argument(a)
 770     cpp_msvc_compat_args += a
 771   endif
 772 endforeach
 773
 774 if host_machine.cpu_family().startswith('x86')
 775   pre_args += '-DUSE_SSE41'
 776   with_sse41 = true
 777   sse41_args = ['-msse4.1']
 778
 779   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 780   # that's not guaranteed
 781   if host_machine.cpu_family() == 'x86'
 782     sse41_args += '-mstackrealign'
 783   endif
 784 else
 785   with_sse41 = false
 786   sse41_args = []
 787 endif
 788
 789 # Check for GCC style atomics
 790 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 791                name : 'GCC atomic builtins')
 792   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 793 endif
 794 if not cc.links('''#include <stdint.h>
 795                    uint64_t v;
 796                    int main() {
 797                      return __sync_add_and_fetch(&v, (uint64_t)1);
 798                    }''',
 799                 name : 'GCC 64bit atomics')
 800   pre_args += '-DMISSING_64_BIT_ATOMICS'
 801 endif
 802
 803 # TODO: endian
 804 # TODO: powr8
 805 # TODO: shared/static? Is this even worth doing?
 806
 807 # Building x86 assembly code requires running x86 binaries. It is possible for
 808 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 809 # TODO: it should be possible to use an exe_wrapper to run the binary during
 810 # the build.
 811 if meson.is_cross_build()
 812   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 813           and build_machine.system() == host_machine.system())
 814     message('Cross compiling to x86 from non-x86, disabling asm')
 815     with_asm = false
 816   endif
 817 endif
 818
 819 with_asm_arch = ''
 820 if with_asm
 821   # TODO: SPARC and PPC
 822   if host_machine.cpu_family() == 'x86'
 823     if system_has_kms_drm
 824       with_asm_arch = 'x86'
 825       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 826                    '-DUSE_SSE_ASM']
 827     endif
 828   elif host_machine.cpu_family() == 'x86_64'
 829     if system_has_kms_drm
 830       with_asm_arch = 'x86_64'
 831       pre_args += ['-DUSE_X86_64_ASM']
 832     endif
 833   elif host_machine.cpu_family() == 'arm'
 834     if system_has_kms_drm
 835       with_asm_arch = 'arm'
 836       pre_args += ['-DUSE_ARM_ASM']
 837     endif
 838   elif host_machine.cpu_family() == 'aarch64'
 839     if system_has_kms_drm
 840       with_asm_arch = 'aarch64'
 841       pre_args += ['-DUSE_AARCH64_ASM']
 842     endif
 843   endif
 844 endif
 845
 846 # Check for standard headers and functions
 847 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 848   pre_args += '-DMAJOR_IN_SYSMACROS'
 849 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 850   pre_args += '-DMAJOR_IN_MKDEV'
 851 endif
 852
 853 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 854   if cc.has_header(h)
 855     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 856   endif
 857 endforeach
 858
 859 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 860   if cc.has_function(f)
 861     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 862   endif
 863 endforeach
 864
 865 # strtod locale support
 866 if cc.links('''
 867     #define _GNU_SOURCE
 868     #include <stdlib.h>
 869     #include <locale.h>
 870     #ifdef HAVE_XLOCALE_H
 871     #include <xlocale.h>
 872     #endif
 873     int main() {
 874       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 875       const char *s = "1.0";
 876       char *end;
 877       double d = strtod_l(s, end, loc);
 878       float f = strtof_l(s, end, loc);
 879       freelocale(loc);
 880       return 0;
 881     }''',
 882     extra_args : pre_args,
 883     name : 'strtod has locale support')
 884   pre_args += '-DHAVE_STRTOD_L'
 885 endif
 886
 887 # Check for some linker flags
 888 ld_args_bsymbolic = []
 889 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 890   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 891 endif
 892 ld_args_gc_sections = []
 893 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 894             args : '-Wl,--gc-sections', name : 'gc-sections')
 895   ld_args_gc_sections += '-Wl,--gc-sections'
 896 endif
 897 with_ld_version_script = false
 898 if cc.links('int main() { return 0; }',
 899             args : '-Wl,--version-script=@0@'.format(
 900               join_paths(meson.source_root(), 'build-support/conftest.map')),
 901             name : 'version-script')
 902   with_ld_version_script = true
 903 endif
 904 with_ld_dynamic_list = false
 905 if cc.links('int main() { return 0; }',
 906             args : '-Wl,--dynamic-list=@0@'.format(
 907               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 908             name : 'dynamic-list')
 909   with_ld_dynamic_list = true
 910 endif
 911 ld_args_build_id = []
 912 if build_machine.system() != 'darwin'
 913    ld_args_build_id += '-Wl,--build-id=sha1'
 914 endif
 915
 916 # check for dl support
 917 if cc.has_function('dlopen')
 918   dep_dl = []
 919 else
 920   dep_dl = cc.find_library('dl')
 921 endif
 922 if cc.has_function('dladdr', dependencies : dep_dl)
 923   # This is really only required for megadrivers
 924   pre_args += '-DHAVE_DLADDR'
 925 endif
 926
 927 if cc.has_function('dl_iterate_phdr')
 928   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 929 elif with_intel_vk
 930   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 931 elif with_dri_i965 and get_option('shader-cache')
 932   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 933 endif
 934
 935 # Determine whether or not the rt library is needed for time functions
 936 if cc.has_function('clock_gettime')
 937   dep_clock = []
 938 else
 939   dep_clock = cc.find_library('rt')
 940 endif
 941
 942 with_gallium_drisw_kms = false
 943 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 944                         required : with_dri2 or with_dri3)
 945 if dep_libdrm.found()
 946   pre_args += '-DHAVE_LIBDRM'
 947   if with_dri_platform == 'drm' and with_dri
 948     with_gallium_drisw_kms = true
 949   endif
 950 endif
 951
 952 # TODO: some of these may be conditional
 953 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 954 pre_args += '-DHAVE_ZLIB'
 955 dep_thread = dependency('threads')
 956 if dep_thread.found() and host_machine.system() != 'windows'
 957   pre_args += '-DHAVE_PTHREAD'
 958 endif
 959 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
 960   dep_elf = dependency('libelf', required : false)
 961   if not dep_elf.found()
 962     dep_elf = cc.find_library('elf')
 963   endif
 964 else
 965   dep_elf = []
 966 endif
 967 dep_expat = dependency('expat')
 968 # this only exists on linux so either this is linux and it will be found, or
 969 # its not linux and and wont
 970 dep_m = cc.find_library('m', required : false)
 971
 972 dep_libdrm_amdgpu = []
 973 dep_libdrm_radeon = []
 974 dep_libdrm_nouveau = []
 975 dep_libdrm_etnaviv = []
 976 dep_libdrm_freedreno = []
 977 if with_amd_vk or with_gallium_radeonsi
 978   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.89')
 979 endif
 980 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
 981     with_gallium_r300 or with_gallium_r600)
 982   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 983 endif
 984 if with_gallium_nouveau or with_dri_nouveau
 985   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 986 endif
 987 if with_gallium_etnaviv
 988   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 989 endif
 990 if with_gallium_freedreno
 991   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
 992 endif
 993
 994 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 995 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
 996   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 997   if with_gallium_r600
 998     llvm_modules += 'asmparser'
 999   endif
1000 endif
1001 if with_gallium_opencl
1002   llvm_modules += [
1003     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1004     'lto', 'option', 'objcarcopts', 'profiledata',
1005   ]
1006   # TODO: optional modules
1007 endif
1008
1009 if with_amd_vk or with_gallium_radeonsi
1010   _llvm_version = '>= 4.0.0'
1011 elif with_gallium_opencl or with_gallium_swr or with_gallium_r600
1012   _llvm_version = '>= 3.9.0'
1013 else
1014   _llvm_version = '>= 3.3.0'
1015 endif
1016
1017 _llvm = get_option('llvm')
1018 if _llvm == 'auto'
1019   dep_llvm = dependency(
1020     'llvm', version : _llvm_version, modules : llvm_modules,
1021     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1022   )
1023   with_llvm = dep_llvm.found()
1024 elif _llvm == 'true'
1025   dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1026   with_llvm = true
1027 else
1028   dep_llvm = []
1029   with_llvm = false
1030 endif
1031 if with_llvm
1032   _llvm_version = dep_llvm.version().split('.')
1033   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1034   # that for our version checks.
1035   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1036   # strippped as of 0.44, but we support older meson versions.
1037   _llvm_patch = _llvm_version[2]
1038   if _llvm_patch.endswith('svn')
1039     _llvm_patch = _llvm_patch.split('s')[0]
1040   elif _llvm_patch.contains('git')
1041     _llvm_patch = _llvm_patch.split('g')[0]
1042   endif
1043   pre_args += [
1044     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1045     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1046   ]
1047 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1048   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1049 endif
1050
1051 dep_glvnd = []
1052 if with_glvnd
1053   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1054   pre_args += '-DUSE_LIBGLVND=1'
1055 endif
1056
1057 if with_valgrind != 'false'
1058   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1059   if dep_valgrind.found()
1060     pre_args += '-DHAVE_VALGRIND'
1061   endif
1062 else
1063   dep_valgrind = []
1064 endif
1065
1066 # pthread stubs. Lets not and say we didn't
1067
1068 prog_bison = find_program('bison', required : with_any_opengl)
1069 prog_flex = find_program('flex', required : with_any_opengl)
1070
1071 dep_selinux = []
1072 if get_option('selinux')
1073   dep_selinux = dependency('libselinux')
1074   pre_args += '-DMESA_SELINUX'
1075 endif
1076
1077 # TODO: llvm-prefix and llvm-shared-libs
1078
1079 if with_libunwind != 'false'
1080   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1081   if dep_unwind.found()
1082     pre_args += '-DHAVE_LIBUNWIND'
1083   endif
1084 else
1085   dep_unwind = []
1086 endif
1087
1088 # TODO: gallium-hud
1089
1090 if with_osmesa != 'none'
1091   if with_osmesa == 'classic' and not with_dri_swrast
1092     error('OSMesa classic requires dri (classic) swrast.')
1093   endif
1094   if with_osmesa == 'gallium' and not with_gallium_softpipe
1095     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1096   endif
1097   osmesa_lib_name = 'OSMesa'
1098   osmesa_bits = get_option('osmesa-bits')
1099   if osmesa_bits != '8'
1100     if with_dri or with_glx != 'disabled'
1101       error('OSMesa bits must be 8 if building glx or dir based drivers')
1102     endif
1103     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1104     pre_args += [
1105       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1106     ]
1107   endif
1108 endif
1109
1110 # TODO: symbol mangling
1111
1112 if with_platform_wayland
1113   prog_wl_scanner = find_program('wayland-scanner')
1114   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1115   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1116   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1117   wayland_dmabuf_xml = join_paths(
1118     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1119     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1120   )
1121   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1122 else
1123   prog_wl_scanner = []
1124   dep_wl_protocols = []
1125   dep_wayland_client = []
1126   dep_wayland_server = []
1127   wayland_dmabuf_xml = ''
1128 endif
1129
1130 dep_x11 = []
1131 dep_xext = []
1132 dep_xdamage = []
1133 dep_xfixes = []
1134 dep_x11_xcb = []
1135 dep_xcb = []
1136 dep_xcb_glx = []
1137 dep_xcb_dri2 = []
1138 dep_xcb_dri3 = []
1139 dep_dri2proto = []
1140 dep_glproto = []
1141 dep_xxf86vm = []
1142 dep_xcb_dri3 = []
1143 dep_xcb_present = []
1144 dep_xcb_sync = []
1145 dep_xcb_xfixes = []
1146 dep_xshmfence = []
1147 if with_platform_x11
1148   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1149     dep_x11 = dependency('x11')
1150     dep_xext = dependency('xext')
1151     dep_xcb = dependency('xcb')
1152   elif with_glx == 'dri'
1153     dep_x11 = dependency('x11')
1154     dep_xext = dependency('xext')
1155     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1156     dep_xfixes = dependency('xfixes')
1157     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1158     dep_xxf86vm = dependency('xxf86vm', required : false)
1159   endif
1160   if (with_any_vk or with_glx == 'dri' or
1161        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_omx or
1162         with_gallium_xa))
1163     dep_xcb = dependency('xcb')
1164     dep_x11_xcb = dependency('x11-xcb')
1165   endif
1166   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
1167     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1168
1169     if with_dri3
1170       pre_args += '-DHAVE_DRI3'
1171       dep_xcb_dri3 = dependency('xcb-dri3')
1172       dep_xcb_present = dependency('xcb-present')
1173       dep_xcb_sync = dependency('xcb-sync')
1174       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1175     endif
1176   endif
1177   if with_glx == 'dri'
1178     if with_dri_platform == 'drm'
1179       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1180     endif
1181     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1182   endif
1183   if with_egl
1184     dep_xcb_xfixes = dependency('xcb-xfixes')
1185   endif
1186 endif
1187
1188 if get_option('gallium-extra-hud')
1189   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1190 endif
1191
1192 _sensors = get_option('lmsensors')
1193 if _sensors != 'false'
1194   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1195   if dep_lmsensors.found()
1196     pre_args += '-DHAVE_LIBSENSORS=1'
1197   endif
1198 else
1199   dep_lmsensors = []
1200 endif
1201
1202 # TODO: gallium tests
1203
1204 # TODO: various libdirs
1205
1206 # TODO: gallium driver dirs
1207
1208 # FIXME: this is a workaround for #2326
1209 prog_touch = find_program('touch')
1210 dummy_cpp = custom_target(
1211   'dummy_cpp',
1212   output : 'dummy.cpp',
1213   command : [prog_touch, '@OUTPUT@'],
1214 )
1215
1216 foreach a : pre_args
1217   add_project_arguments(a, language : ['c', 'cpp'])
1218 endforeach
1219 foreach a : c_args
1220   add_project_arguments(a, language : ['c'])
1221 endforeach
1222 foreach a : cpp_args
1223   add_project_arguments(a, language : ['cpp'])
1224 endforeach
1225
1226 inc_include = include_directories('include')
1227
1228 gl_priv_reqs = [
1229   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1230   'xcb-glx >= 1.8.1']
1231 if dep_libdrm.found()
1232   gl_priv_reqs += 'libdrm >= 2.4.75'
1233 endif
1234 if dep_xxf86vm != [] and dep_xxf86vm.found()
1235   gl_priv_reqs += 'xxf86vm'
1236 endif
1237 if with_dri_platform == 'drm'
1238   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1239 endif
1240
1241 gl_priv_libs = []
1242 if dep_thread.found()
1243   gl_priv_libs += ['-lpthread', '-pthread']
1244 endif
1245 if dep_m.found()
1246   gl_priv_libs += '-lm'
1247 endif
1248 if dep_dl != [] and dep_dl.found()
1249   gl_priv_libs += '-ldl'
1250 endif
1251
1252 pkg = import('pkgconfig')
1253
1254 subdir('include')
1255 subdir('bin')
1256 subdir('src')