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
  61 with_gles1 = get_option('gles1')
  62 with_gles2 = get_option('gles2')
  63 with_opengl = get_option('opengl')
  64 with_any_opengl = with_opengl or with_gles1 or with_gles2
  65 # Only build shared_glapi if at least one OpenGL API is enabled
  66 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  67
  68
  69 # shared-glapi is required if at least two OpenGL APIs are being built
  70 if not with_shared_glapi
  71   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  72       or (with_gles2 and with_opengl))
  73     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  74   endif
  75 endif
  76
  77 # We require OpenGL for OpenGL ES
  78 if (with_gles1 or with_gles2) and not with_opengl
  79   error('building OpenGL ES without OpenGL is not supported.')
  80 endif
  81
  82 with_dri = false
  83 with_dri_i915 = false
  84 with_dri_i965 = false
  85 with_dri_r100 = false
  86 with_dri_r200 = false
  87 with_dri_nouveau = false
  88 with_dri_swrast = false
  89 _drivers = get_option('dri-drivers')
  90 if _drivers == 'auto'
  91   # TODO: PPC, Sparc
  92   if not ['darwin', 'windows'].contains(host_machine.system())
  93     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  94       _drivers = 'i915,i965,r100,r200,nouveau'
  95     else
  96       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
  97     endif
  98   else
  99     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 100   endif
 101 endif
 102 if _drivers != ''
 103   _split = _drivers.split(',')
 104   with_dri_i915 = _split.contains('i915')
 105   with_dri_i965 = _split.contains('i965')
 106   with_dri_r100 = _split.contains('r100')
 107   with_dri_r200 = _split.contains('r200')
 108   with_dri_nouveau = _split.contains('nouveau')
 109   with_dri_swrast = _split.contains('swrast')
 110   with_dri = true
 111 endif
 112
 113 with_gallium = false
 114 with_gallium_pl111 = false
 115 with_gallium_radeonsi = false
 116 with_gallium_r300 = false
 117 with_gallium_r600 = false
 118 with_gallium_nouveau = false
 119 with_gallium_freedreno = false
 120 with_gallium_softpipe = false
 121 with_gallium_vc4 = false
 122 with_gallium_vc5 = false
 123 with_gallium_etnaviv = false
 124 with_gallium_imx = false
 125 with_gallium_i915 = false
 126 with_gallium_svga = false
 127 with_gallium_virgl = false
 128 with_gallium_swr = false
 129 _drivers = get_option('gallium-drivers')
 130 if _drivers == 'auto'
 131   if not ['darwin', 'windows'].contains(host_machine.system())
 132     # TODO: PPC, Sparc
 133     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 134       _drivers = 'r300,r600,radeonsi,nouveau,virgl,svga,swrast'
 135     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 136       _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,virgl,svga,swrast'
 137     else
 138       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 139     endif
 140   else
 141     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 142   endif
 143 endif
 144 if _drivers != ''
 145   _split = _drivers.split(',')
 146   with_gallium_pl111 = _split.contains('pl111')
 147   with_gallium_radeonsi = _split.contains('radeonsi')
 148   with_gallium_r300 = _split.contains('r300')
 149   with_gallium_r600 = _split.contains('r600')
 150   with_gallium_nouveau = _split.contains('nouveau')
 151   with_gallium_freedreno = _split.contains('freedreno')
 152   with_gallium_softpipe = _split.contains('swrast')
 153   with_gallium_vc4 = _split.contains('vc4')
 154   with_gallium_vc5 = _split.contains('vc5')
 155   with_gallium_etnaviv = _split.contains('etnaviv')
 156   with_gallium_imx = _split.contains('imx')
 157   with_gallium_i915 = _split.contains('i915')
 158   with_gallium_svga = _split.contains('svga')
 159   with_gallium_virgl = _split.contains('virgl')
 160   with_gallium_swr = _split.contains('swr')
 161   with_gallium = true
 162 endif
 163
 164 with_intel_vk = false
 165 with_amd_vk = false
 166 with_any_vk = false
 167 _vulkan_drivers = get_option('vulkan-drivers')
 168 if _vulkan_drivers == 'auto'
 169   if not ['darwin', 'windows'].contains(host_machine.system())
 170     if host_machine.cpu_family().startswith('x86')
 171       _vulkan_drivers = 'amd,intel'
 172     else
 173       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 174     endif
 175   else
 176     # No vulkan driver supports windows or macOS currently
 177     _vulkan_drivers = ''
 178   endif
 179 endif
 180 if _vulkan_drivers != ''
 181   _split = _vulkan_drivers.split(',')
 182   with_intel_vk = _split.contains('intel')
 183   with_amd_vk = _split.contains('amd')
 184   with_any_vk = with_amd_vk or with_intel_vk
 185 endif
 186
 187 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 188   error('Only one swrast provider can be built')
 189 endif
 190 if with_dri_i915 and with_gallium_i915
 191   error('Only one i915 provider can be built')
 192 endif
 193 if with_gallium_imx and not with_gallium_etnaviv
 194   error('IMX driver requires etnaviv driver')
 195 endif
 196 if with_gallium_pl111 and not with_gallium_vc4
 197   error('pl111 driver requires vc4 driver')
 198 endif
 199
 200 dep_libdrm_intel = []
 201 if with_dri_i915 or with_gallium_i915
 202   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 203 endif
 204
 205 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
 206
 207 if host_machine.system() == 'darwin'
 208   with_dri_platform = 'apple'
 209 elif ['windows', 'cygwin'].contains(host_machine.system())
 210   with_dri_platform = 'windows'
 211 elif system_has_kms_drm
 212   with_dri_platform = 'drm'
 213 else
 214   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 215   # assert here that one of those cases has been met.
 216   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 217   # support Hurd at time of writing (2017/11)
 218   # FIXME: illumos ends up here as well
 219   with_dri_platform = 'none'
 220 endif
 221
 222 with_platform_android = false
 223 with_platform_wayland = false
 224 with_platform_x11 = false
 225 with_platform_drm = false
 226 with_platform_surfaceless = false
 227 egl_native_platform = ''
 228 _platforms = get_option('platforms')
 229 if _platforms == 'auto'
 230   if system_has_kms_drm
 231     _platforms = 'x11,wayland,drm,surfaceless'
 232   else
 233     error('Unknown OS, no platforms enabled. Patches gladly accepted to fix this.')
 234   endif
 235 endif
 236 if _platforms != ''
 237   _split = _platforms.split(',')
 238   with_platform_android = _split.contains('android')
 239   with_platform_x11 = _split.contains('x11')
 240   with_platform_wayland = _split.contains('wayland')
 241   with_platform_drm = _split.contains('drm')
 242   with_platform_surfaceless = _split.contains('surfaceless')
 243   egl_native_platform = _split[0]
 244 endif
 245
 246 with_glx = get_option('glx')
 247 if with_glx == 'auto'
 248   if with_dri
 249     with_glx = 'dri'
 250   elif with_gallium
 251     # Even when building just gallium drivers the user probably wants dri
 252     with_glx = 'dri'
 253   elif with_platform_x11 and with_any_opengl and not with_any_vk
 254     # The automatic behavior should not be to turn on xlib based glx when
 255     # building only vulkan drivers
 256     with_glx = 'xlib'
 257   else
 258     with_glx = 'disabled'
 259   endif
 260 endif
 261 if with_glx == 'dri'
 262    if with_gallium
 263       with_dri = true
 264    endif
 265 endif
 266
 267 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 268   with_gles1 = false
 269   with_gles2 = false
 270   with_opengl = false
 271   with_any_opengl = false
 272   with_shared_glapi = false
 273 endif
 274
 275 with_gbm = get_option('gbm')
 276 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 277   with_gbm = system_has_kms_drm
 278 elif with_gbm == 'true'
 279   if not system_has_kms_drm
 280     error('GBM only supports DRM/KMS platforms')
 281   endif
 282   with_gbm = true
 283 else
 284   with_gbm = false
 285 endif
 286
 287 _egl = get_option('egl')
 288 if _egl == 'auto'
 289   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 290 elif _egl == 'true'
 291   if not with_dri
 292     error('EGL requires dri')
 293   elif not with_shared_glapi
 294     error('EGL requires shared-glapi')
 295   elif egl_native_platform == ''
 296     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 297   endif
 298   with_egl = true
 299 else
 300   with_egl = false
 301 endif
 302
 303 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 304   if with_gallium_radeonsi
 305     error('RadeonSI requires drm or surfaceless platform when using EGL')
 306   endif
 307   if with_gallium_virgl
 308     error('Virgl requires drm or surfaceless platform when using EGL')
 309   endif
 310 endif
 311
 312 pre_args += '-DGLX_USE_TLS'
 313 if with_glx != 'disabled'
 314   if not (with_platform_x11 and with_any_opengl)
 315     if with_glx == 'auto'
 316       with_glx = 'disabled'
 317     else
 318       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 319     endif
 320   elif with_glx == 'gallium-xlib'
 321     if not with_gallium
 322       error('Gallium-xlib based GLX requires at least one gallium driver')
 323     elif not with_gallium_softpipe
 324       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 325     elif with_dri
 326       error('gallium-xlib conflicts with any dri driver')
 327     endif
 328   elif with_glx == 'xlib'
 329     if with_dri
 330       error('xlib conflicts with any dri driver')
 331     endif
 332   elif with_glx == 'dri' and not with_dri
 333     error('dri based GLX requires at least one DRI driver')
 334   endif
 335 endif
 336
 337 with_glvnd = get_option('glvnd')
 338 if with_glvnd
 339   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 340     error('Cannot build glvnd support for GLX that is not DRI based.')
 341   elif with_glx == 'disabled' and not with_egl
 342     error('glvnd requires DRI based GLX and/or EGL')
 343   endif
 344 endif
 345
 346 # TODO: toggle for this
 347 with_glx_direct = true
 348
 349 if with_vulkan_icd_dir == ''
 350   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 351 endif
 352
 353 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 354 with_dri3 = get_option('dri3')
 355 if with_dri3 == 'auto'
 356   if system_has_kms_drm and with_dri2
 357     with_dri3 = true
 358   else
 359     with_dri3 = false
 360  endif
 361 elif with_dri3 == 'true'
 362   with_dri3 = true
 363 else
 364   with_dri3 = false
 365 endif
 366
 367 if with_any_vk and (with_platform_x11 and not with_dri3)
 368   error('Vulkan drivers require dri3 for X11 support')
 369 endif
 370 if with_dri or with_gallium
 371   if with_glx == 'disabled' and not with_egl
 372     error('building dri or gallium drivers require at least one window system')
 373   endif
 374 endif
 375
 376 dep_vdpau = []
 377 _vdpau = get_option('gallium-vdpau')
 378 if _vdpau == 'auto'
 379   if not system_has_kms_drm
 380     with_gallium_vdpau = false
 381   elif not with_platform_x11
 382     with_gallium_vdpau = false
 383   elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 384             with_gallium_nouveau)
 385     with_gallium_vdpau = false
 386   else
 387     dep_vdpau = dependency('vdpau', version : '>= 1.1', required : false)
 388     with_gallium_vdpau = dep_vdpau.found()
 389   endif
 390 elif _vdpau == 'true'
 391   if not system_has_kms_drm
 392     error('VDPAU state tracker can only be build on DRM/KMS OSes.')
 393   elif not with_platform_x11
 394     error('VDPAU state tracker requires X11 support.')
 395     with_gallium_vdpau = false
 396   elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 397             with_gallium_nouveau)
 398     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 399   endif
 400   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 401   with_gallium_vdpau = true
 402 else
 403   with_gallium_vdpau = false
 404 endif
 405 if with_gallium_vdpau
 406   dep_vdpau = declare_dependency(
 407     compile_args : dep_vdpau.get_pkgconfig_variable('cflags').split()
 408   )
 409 endif
 410
 411 if with_gallium_vdpau
 412   pre_args += '-DHAVE_ST_VDPAU'
 413 endif
 414 vdpau_drivers_path = get_option('vdpau-libs-path')
 415 if vdpau_drivers_path == ''
 416   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 417 endif
 418
 419 dep_xvmc = []
 420 _xvmc = get_option('gallium-xvmc')
 421 if _xvmc == 'auto'
 422   if not system_has_kms_drm
 423     with_gallium_xvmc = false
 424   elif not with_platform_x11
 425     with_gallium_xvmc = false
 426   elif not (with_gallium_r600 or with_gallium_nouveau)
 427     with_gallium_xvmc = false
 428   else
 429     dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : false)
 430     with_gallium_xvmc = dep_xvmc.found()
 431   endif
 432 elif _xvmc == 'true'
 433   if not system_has_kms_drm
 434     error('XVMC state tracker can only be build on DRM/KMS OSes.')
 435   elif not with_platform_x11
 436     error('XVMC state tracker requires X11 support.')
 437     with_gallium_xvmc = false
 438   elif not (with_gallium_r600 or with_gallium_nouveau)
 439     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 440   endif
 441   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 442   with_gallium_xvmc = true
 443 else
 444   with_gallium_xvmc = false
 445 endif
 446 if with_gallium_xvmc
 447   dep_xvmc = declare_dependency(
 448     compile_args : dep_xvmc.get_pkgconfig_variable('cflags').split()
 449   )
 450 endif
 451
 452 xvmc_drivers_path = get_option('xvmc-libs-path')
 453 if xvmc_drivers_path == ''
 454   xvmc_drivers_path = get_option('libdir')
 455 endif
 456
 457 dep_omx = []
 458 _omx = get_option('gallium-omx')
 459 if _omx == 'auto'
 460   if not system_has_kms_drm
 461     with_gallium_omx = false
 462   elif not with_platform_x11
 463     with_gallium_omx = false
 464   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 465     with_gallium_omx = false
 466   else
 467     dep_omx = dependency('libomxil-bellagio', required : false)
 468     with_gallium_omx = dep_omx.found()
 469   endif
 470 elif _omx == 'true'
 471   if not system_has_kms_drm
 472     error('OMX state tracker can only be built on DRM/KMS OSes.')
 473   elif not (with_platform_x11 or with_platform_drm)
 474     error('OMX state tracker requires X11 or drm platform support.')
 475     with_gallium_omx = false
 476   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 477     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 478   endif
 479   dep_omx = dependency('libomxil-bellagio')
 480   with_gallium_omx = true
 481 else
 482   with_gallium_omx = false
 483 endif
 484
 485 omx_drivers_path = get_option('omx-libs-path')
 486 if with_gallium_omx
 487   # Figure out where to put the omx driver.
 488   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 489   # argument to meson's get_pkgconfig_variable method.
 490   if omx_drivers_path == ''
 491     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 492     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 493     if _omx_libdir == get_option('libdir')
 494       omx_drivers_path = _omx_drivers_dir
 495     else
 496       _omx_base_dir = []
 497       # This will fail on windows. Does OMX run on windows?
 498       _omx_libdir = _omx_libdir.split('/')
 499       _omx_drivers_dir = _omx_drivers_dir.split('/')
 500       foreach o : _omx_drivers_dir
 501         if not _omx_libdir.contains(o)
 502           _omx_base_dir += o
 503         endif
 504       endforeach
 505       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 506     endif
 507   endif
 508 endif
 509 if with_gallium_omx
 510   dep_omx = declare_dependency(
 511     compile_args : dep_omx.get_pkgconfig_variable('cflags').split()
 512   )
 513 endif
 514
 515 dep_va = []
 516 _va = get_option('gallium-va')
 517 if _va == 'auto'
 518   if not system_has_kms_drm
 519     with_gallium_va = false
 520   elif not with_platform_x11
 521     with_gallium_va = false
 522   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 523     with_gallium_va = false
 524   else
 525     dep_va = dependency('libva', version : '>= 0.38.0', required : false)
 526     with_gallium_va = dep_va.found()
 527   endif
 528 elif _va == 'true'
 529   if not system_has_kms_drm
 530     error('VA state tracker can only be built on DRM/KMS OSes.')
 531   elif not (with_platform_x11 or with_platform_drm)
 532     error('VA state tracker requires X11 or drm or wayland platform support.')
 533     with_gallium_va = false
 534   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 535     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 536   endif
 537   dep_va = dependency('libva', version : '>= 0.38.0')
 538   with_gallium_va = true
 539 else
 540   with_gallium_va = false
 541 endif
 542 if with_gallium_va
 543   dep_va = declare_dependency(
 544     compile_args : dep_va.get_pkgconfig_variable('cflags').split()
 545   )
 546 endif
 547
 548 va_drivers_path = get_option('va-libs-path')
 549 if va_drivers_path == ''
 550   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 551 endif
 552
 553 _xa = get_option('gallium-xa')
 554 if _xa == 'auto'
 555   if not system_has_kms_drm
 556     with_gallium_xa = false
 557   elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 558             or with_gallium_svga)
 559     with_gallium_xa = false
 560   else
 561     with_gallium_xa = true
 562   endif
 563 elif _xa == 'true'
 564   if not system_has_kms_drm
 565     error('XA state tracker can only be built on DRM/KMS OSes.')
 566   elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 567             or with_gallium_svga)
 568     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 569   endif
 570   with_gallium_xa = true
 571 else
 572   with_gallium_xa = false
 573 endif
 574
 575 d3d_drivers_path = get_option('d3d-drivers-path')
 576 if d3d_drivers_path == ''
 577   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 578 endif
 579
 580 with_gallium_st_nine =  get_option('gallium-nine')
 581 if with_gallium_st_nine
 582   if not with_gallium_softpipe
 583     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 584   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 585             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 586     error('The nine state tracker requires at least on non-swrast gallium driver.')
 587   endif
 588   if not with_dri3
 589     error('Using nine with wine requires dri3')
 590   endif
 591 endif
 592
 593 _opencl = get_option('gallium-opencl')
 594 if _opencl != 'disabled'
 595   if not with_gallium
 596     error('OpenCL Clover implementation requires at least one gallium driver.')
 597   endif
 598
 599   # TODO: alitvec?
 600   dep_clc = dependency('libclc')
 601   with_gallium_opencl = true
 602   with_opencl_icd = _opencl == 'icd'
 603 else
 604   dep_clc = []
 605   with_gallium_opencl = false
 606   with_gallium_icd = false
 607 endif
 608
 609 gl_pkgconfig_c_flags = []
 610 if with_platform_x11
 611   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 612     pre_args += '-DHAVE_X11_PLATFORM'
 613   endif
 614   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 615     pre_args += '-DUSE_XSHM'
 616   else
 617     pre_args += '-DGLX_INDIRECT_RENDERING'
 618     if with_glx_direct
 619       pre_args += '-DGLX_DIRECT_RENDERING'
 620     endif
 621     if with_dri_platform == 'drm'
 622       pre_args += '-DGLX_USE_DRM'
 623     elif with_dri_platform == 'windows'
 624       pre_args += '-DGLX_USE_WINDOWSGL'
 625     endif
 626   endif
 627 else
 628   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 629   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 630 endif
 631 if with_platform_drm
 632   if with_egl and not with_gbm
 633     error('EGL drm platform requires gbm')
 634   endif
 635   pre_args += '-DHAVE_DRM_PLATFORM'
 636 endif
 637 if with_platform_surfaceless
 638   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 639 endif
 640 if with_platform_android
 641   dep_android = [
 642     dependency('cutils'),
 643     dependency('hardware'),
 644     dependency('sync'),
 645   ]
 646   pre_args += '-DHAVE_ANDROID_PLATFORM'
 647 endif
 648
 649 prog_python2 = find_program('python2')
 650 has_mako = run_command(prog_python2, '-c', 'import mako')
 651 if has_mako.returncode() != 0
 652   error('Python (2.x) mako module required to build mesa.')
 653 endif
 654
 655 cc = meson.get_compiler('c')
 656 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 657   error('When using GCC, version 4.4.6 or later is required.')
 658 endif
 659
 660 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 661 if get_option('buildtype') == 'debug'
 662   pre_args += '-DDEBUG'
 663 endif
 664
 665 if get_option('shader-cache')
 666   pre_args += '-DENABLE_SHADER_CACHE'
 667 elif with_amd_vk
 668   error('Radv requires shader cache support')
 669 endif
 670
 671 # Check for GCC style builtins
 672 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 673              'ffsll', 'popcount', 'popcountll', 'unreachable']
 674   if cc.has_function(b)
 675     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 676   endif
 677 endforeach
 678
 679 # check for GCC __attribute__
 680 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 681              'warn_unused_result', 'weak',]
 682   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 683                  name : '__attribute__((@0@))'.format(a))
 684     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 685   endif
 686 endforeach
 687 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 688                name : '__attribute__((format(...)))')
 689   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 690 endif
 691 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 692                name : '__attribute__((packed))')
 693   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 694 endif
 695 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 696                name : '__attribute__((returns_nonnull))')
 697   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 698 endif
 699 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 700                   int foo_hid(void) __attribute__((visibility("hidden")));
 701                   int foo_int(void) __attribute__((visibility("internal")));
 702                   int foo_pro(void) __attribute__((visibility("protected")));''',
 703                name : '__attribute__((visibility(...)))')
 704   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 705 endif
 706 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 707                name : '__attribute__((alias(...)))')
 708   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 709 endif
 710 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 711                name : '__attribute__((__noreturn__))')
 712   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 713 endif
 714
 715 # TODO: this is very incomplete
 716 if ['linux', 'cygwin'].contains(host_machine.system())
 717   pre_args += '-D_GNU_SOURCE'
 718 endif
 719
 720 # Check for generic C arguments
 721 c_args = []
 722 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 723              '-Werror=missing-prototypes', '-fno-math-errno',
 724              '-fno-trapping-math', '-Qunused-arguments']
 725   if cc.has_argument(a)
 726     c_args += a
 727   endif
 728 endforeach
 729 c_vis_args = []
 730 if cc.has_argument('-fvisibility=hidden')
 731   c_vis_args += '-fvisibility=hidden'
 732 endif
 733
 734 # Check for generic C++ arguments
 735 cpp = meson.get_compiler('cpp')
 736 cpp_args = []
 737 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 738              '-Qunused-arguments']
 739   if cpp.has_argument(a)
 740     cpp_args += a
 741   endif
 742 endforeach
 743
 744 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 745 # option is not supported. Hence, check for -Wfoo instead.
 746 if cpp.has_argument('-Wnon-virtual-dtor')
 747   cpp_args += '-Wno-non-virtual-dtor'
 748 endif
 749
 750 no_override_init_args = []
 751 foreach a : ['override-init', 'initializer-overrides']
 752   if cc.has_argument('-W' + a)
 753     no_override_init_args += '-Wno-' + a
 754   endif
 755 endforeach
 756
 757 cpp_vis_args = []
 758 if cpp.has_argument('-fvisibility=hidden')
 759   cpp_vis_args += '-fvisibility=hidden'
 760 endif
 761
 762 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 763 # in parts of the mesa code base that need to compile with old versions of
 764 # MSVC, mainly common code
 765 c_msvc_compat_args = []
 766 cpp_msvc_compat_args = []
 767 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 768   if cc.has_argument(a)
 769     c_msvc_compat_args += a
 770   endif
 771   if cpp.has_argument(a)
 772     cpp_msvc_compat_args += a
 773   endif
 774 endforeach
 775
 776 if host_machine.cpu_family().startswith('x86')
 777   pre_args += '-DUSE_SSE41'
 778   with_sse41 = true
 779   sse41_args = ['-msse4.1']
 780
 781   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 782   # that's not guaranteed
 783   if host_machine.cpu_family() == 'x86'
 784     sse41_args += '-mstackrealign'
 785   endif
 786 else
 787   with_sse41 = false
 788   sse41_args = []
 789 endif
 790
 791 # Check for GCC style atomics
 792 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 793                name : 'GCC atomic builtins')
 794   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 795 endif
 796 if not cc.links('''#include <stdint.h>
 797                    uint64_t v;
 798                    int main() {
 799                      return __sync_add_and_fetch(&v, (uint64_t)1);
 800                    }''',
 801                 name : 'GCC 64bit atomics')
 802   pre_args += '-DMISSING_64_BIT_ATOMICS'
 803 endif
 804
 805 # TODO: endian
 806 # TODO: powr8
 807 # TODO: shared/static? Is this even worth doing?
 808
 809 # Building x86 assembly code requires running x86 binaries. It is possible for
 810 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 811 # TODO: it should be possible to use an exe_wrapper to run the binary during
 812 # the build.
 813 if meson.is_cross_build()
 814   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 815           and build_machine.system() == host_machine.system())
 816     message('Cross compiling to x86 from non-x86, disabling asm')
 817     with_asm = false
 818   endif
 819 endif
 820
 821 with_asm_arch = ''
 822 if with_asm
 823   # TODO: SPARC and PPC
 824   if host_machine.cpu_family() == 'x86'
 825     if system_has_kms_drm
 826       with_asm_arch = 'x86'
 827       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 828                    '-DUSE_SSE_ASM']
 829     endif
 830   elif host_machine.cpu_family() == 'x86_64'
 831     if system_has_kms_drm
 832       with_asm_arch = 'x86_64'
 833       pre_args += ['-DUSE_X86_64_ASM']
 834     endif
 835   elif host_machine.cpu_family() == 'arm'
 836     if system_has_kms_drm
 837       with_asm_arch = 'arm'
 838       pre_args += ['-DUSE_ARM_ASM']
 839     endif
 840   elif host_machine.cpu_family() == 'aarch64'
 841     if system_has_kms_drm
 842       with_asm_arch = 'aarch64'
 843       pre_args += ['-DUSE_AARCH64_ASM']
 844     endif
 845   endif
 846 endif
 847
 848 # Check for standard headers and functions
 849 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 850   pre_args += '-DMAJOR_IN_SYSMACROS'
 851 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 852   pre_args += '-DMAJOR_IN_MKDEV'
 853 endif
 854
 855 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 856   if cc.has_header(h)
 857     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 858   endif
 859 endforeach
 860
 861 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 862   if cc.has_function(f)
 863     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 864   endif
 865 endforeach
 866
 867 # strtod locale support
 868 if cc.links('''
 869     #define _GNU_SOURCE
 870     #include <stdlib.h>
 871     #include <locale.h>
 872     #ifdef HAVE_XLOCALE_H
 873     #include <xlocale.h>
 874     #endif
 875     int main() {
 876       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 877       const char *s = "1.0";
 878       char *end;
 879       double d = strtod_l(s, end, loc);
 880       float f = strtof_l(s, end, loc);
 881       freelocale(loc);
 882       return 0;
 883     }''',
 884     extra_args : pre_args,
 885     name : 'strtod has locale support')
 886   pre_args += '-DHAVE_STRTOD_L'
 887 endif
 888
 889 # Check for some linker flags
 890 ld_args_bsymbolic = []
 891 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 892   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 893 endif
 894 ld_args_gc_sections = []
 895 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 896             args : '-Wl,--gc-sections', name : 'gc-sections')
 897   ld_args_gc_sections += '-Wl,--gc-sections'
 898 endif
 899 with_ld_version_script = false
 900 if cc.links('int main() { return 0; }',
 901             args : '-Wl,--version-script=@0@'.format(
 902               join_paths(meson.source_root(), 'build-support/conftest.map')),
 903             name : 'version-script')
 904   with_ld_version_script = true
 905 endif
 906 with_ld_dynamic_list = false
 907 if cc.links('int main() { return 0; }',
 908             args : '-Wl,--dynamic-list=@0@'.format(
 909               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 910             name : 'dynamic-list')
 911   with_ld_dynamic_list = true
 912 endif
 913
 914 # check for dl support
 915 if cc.has_function('dlopen')
 916   dep_dl = []
 917 else
 918   dep_dl = cc.find_library('dl')
 919 endif
 920 if cc.has_function('dladdr', dependencies : dep_dl)
 921   # This is really only required for megadrivers
 922   pre_args += '-DHAVE_DLADDR'
 923 endif
 924
 925 if cc.has_function('dl_iterate_phdr')
 926   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 927 elif with_intel_vk
 928   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 929 elif with_dri_i965 and get_option('shader-cache')
 930   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 931 endif
 932
 933 # Determine whether or not the rt library is needed for time functions
 934 if cc.has_function('clock_gettime')
 935   dep_clock = []
 936 else
 937   dep_clock = cc.find_library('rt')
 938 endif
 939
 940 with_gallium_drisw_kms = false
 941 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 942                         required : with_dri2 or with_dri3)
 943 if dep_libdrm.found()
 944   pre_args += '-DHAVE_LIBDRM'
 945   if with_dri_platform == 'drm' and with_dri
 946     with_gallium_drisw_kms = true
 947   endif
 948 endif
 949
 950 # TODO: some of these may be conditional
 951 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 952 pre_args += '-DHAVE_ZLIB'
 953 dep_thread = dependency('threads')
 954 if dep_thread.found() and host_machine.system() != 'windows'
 955   pre_args += '-DHAVE_PTHREAD'
 956 endif
 957 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
 958   dep_elf = dependency('libelf', required : false)
 959   if not dep_elf.found()
 960     dep_elf = cc.find_library('elf')
 961   endif
 962 else
 963   dep_elf = []
 964 endif
 965 dep_expat = dependency('expat')
 966 # this only exists on linux so either this is linux and it will be found, or
 967 # its not linux and and wont
 968 dep_m = cc.find_library('m', required : false)
 969
 970 dep_libdrm_amdgpu = []
 971 dep_libdrm_radeon = []
 972 dep_libdrm_nouveau = []
 973 dep_libdrm_etnaviv = []
 974 dep_libdrm_freedreno = []
 975 if with_amd_vk or with_gallium_radeonsi
 976   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.89')
 977 endif
 978 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
 979     with_gallium_r300 or with_gallium_r600)
 980   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 981 endif
 982 if with_gallium_nouveau or with_dri_nouveau
 983   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 984 endif
 985 if with_gallium_etnaviv
 986   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 987 endif
 988 if with_gallium_freedreno
 989   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
 990 endif
 991
 992 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 993 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
 994   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 995   if with_gallium_r600
 996     llvm_modules += 'asmparser'
 997   endif
 998 endif
 999 if with_gallium_opencl
1000   llvm_modules += [
1001     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1002     'lto', 'option', 'objcarcopts', 'profiledata',
1003   ]
1004   # TODO: optional modules
1005 endif
1006
1007 _llvm = get_option('llvm')
1008 if _llvm == 'auto'
1009   dep_llvm = dependency(
1010     'llvm', version : '>= 3.9.0', modules : llvm_modules,
1011     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1012   )
1013   with_llvm = dep_llvm.found()
1014 elif _llvm == 'true'
1015   dep_llvm = dependency('llvm', version : '>= 3.9.0', modules : llvm_modules)
1016   with_llvm = true
1017 else
1018   dep_llvm = []
1019   with_llvm = false
1020 endif
1021 if with_llvm
1022   _llvm_version = dep_llvm.version().split('.')
1023   # Development versions of LLVM have an 'svn' suffix, we don't want that for
1024   # our version checks.
1025   _llvm_patch = _llvm_version[2]
1026   if _llvm_patch.endswith('svn')
1027     _llvm_patch = _llvm_patch.split('s')[0]
1028   endif
1029   pre_args += [
1030     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1031     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1032   ]
1033 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1034   error('The following drivers requires LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1035 endif
1036
1037 dep_glvnd = []
1038 if with_glvnd
1039   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1040   pre_args += '-DUSE_LIBGLVND=1'
1041 endif
1042
1043 if with_valgrind != 'false'
1044   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1045   if dep_valgrind.found()
1046     pre_args += '-DHAVE_VALGRIND'
1047   endif
1048 else
1049   dep_valgrind = []
1050 endif
1051
1052 # pthread stubs. Lets not and say we didn't
1053
1054 prog_bison = find_program('bison', required : with_any_opengl)
1055 prog_flex = find_program('flex', required : with_any_opengl)
1056
1057 dep_selinux = []
1058 if get_option('selinux')
1059   dep_selinux = dependency('libselinux')
1060   pre_args += '-DMESA_SELINUX'
1061 endif
1062
1063 # TODO: llvm-prefix and llvm-shared-libs
1064
1065 if with_libunwind != 'false'
1066   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1067   if dep_unwind.found()
1068     pre_args += '-DHAVE_LIBUNWIND'
1069   endif
1070 else
1071   dep_unwind = []
1072 endif
1073
1074 # TODO: gallium-hud
1075
1076 if with_osmesa != 'none'
1077   if with_osmesa == 'classic' and not with_dri_swrast
1078     error('OSMesa classic requires dri (classic) swrast.')
1079   endif
1080   if with_osmesa == 'gallium' and not with_gallium_softpipe
1081     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1082   endif
1083   osmesa_lib_name = 'OSMesa'
1084   osmesa_bits = get_option('osmesa-bits')
1085   if osmesa_bits != '8'
1086     if with_dri or with_glx != 'disabled'
1087       error('OSMesa bits must be 8 if building glx or dir based drivers')
1088     endif
1089     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1090     pre_args += [
1091       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1092     ]
1093   endif
1094 endif
1095
1096 # TODO: symbol mangling
1097
1098 if with_platform_wayland
1099   prog_wl_scanner = find_program('wayland-scanner')
1100   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1101   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1102   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1103   wayland_dmabuf_xml = join_paths(
1104     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1105     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1106   )
1107   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1108 else
1109   prog_wl_scanner = []
1110   dep_wl_protocols = []
1111   dep_wayland_client = []
1112   dep_wayland_server = []
1113   wayland_dmabuf_xml = ''
1114 endif
1115
1116 dep_x11 = []
1117 dep_xext = []
1118 dep_xdamage = []
1119 dep_xfixes = []
1120 dep_x11_xcb = []
1121 dep_xcb = []
1122 dep_xcb_glx = []
1123 dep_xcb_dri2 = []
1124 dep_xcb_dri3 = []
1125 dep_dri2proto = []
1126 dep_glproto = []
1127 dep_xxf86vm = []
1128 dep_xcb_dri3 = []
1129 dep_xcb_present = []
1130 dep_xcb_sync = []
1131 dep_xcb_xfixes = []
1132 dep_xshmfence = []
1133 if with_platform_x11
1134   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1135     dep_x11 = dependency('x11')
1136     dep_xext = dependency('xext')
1137     dep_xcb = dependency('xcb')
1138   elif with_glx == 'dri'
1139     dep_x11 = dependency('x11')
1140     dep_xext = dependency('xext')
1141     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1142     dep_xfixes = dependency('xfixes')
1143     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1144     dep_xxf86vm = dependency('xxf86vm', required : false)
1145   endif
1146   if (with_any_vk or with_glx == 'dri' or
1147        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_omx or
1148         with_gallium_xa))
1149     dep_xcb = dependency('xcb')
1150     dep_x11_xcb = dependency('x11-xcb')
1151   endif
1152   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
1153     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1154
1155     if with_dri3
1156       pre_args += '-DHAVE_DRI3'
1157       dep_xcb_dri3 = dependency('xcb-dri3')
1158       dep_xcb_present = dependency('xcb-present')
1159       dep_xcb_sync = dependency('xcb-sync')
1160       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1161     endif
1162   endif
1163   if with_glx == 'dri'
1164     if with_dri_platform == 'drm'
1165       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1166     endif
1167     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1168   endif
1169   if with_egl
1170     dep_xcb_xfixes = dependency('xcb-xfixes')
1171   endif
1172 endif
1173
1174 if get_option('gallium-extra-hud')
1175   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1176 endif
1177
1178 _sensors = get_option('lmsensors')
1179 if _sensors != 'false'
1180   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1181   if dep_lmsensors.found()
1182     pre_args += '-DHAVE_LIBSENSORS=1'
1183   endif
1184 else
1185   dep_lmsensors = []
1186 endif
1187
1188 # TODO: gallium tests
1189
1190 # TODO: various libdirs
1191
1192 # TODO: gallium driver dirs
1193
1194 # FIXME: this is a workaround for #2326
1195 prog_touch = find_program('touch')
1196 dummy_cpp = custom_target(
1197   'dummy_cpp',
1198   output : 'dummy.cpp',
1199   command : [prog_touch, '@OUTPUT@'],
1200 )
1201
1202 foreach a : pre_args
1203   add_project_arguments(a, language : ['c', 'cpp'])
1204 endforeach
1205 foreach a : c_args
1206   add_project_arguments(a, language : ['c'])
1207 endforeach
1208 foreach a : cpp_args
1209   add_project_arguments(a, language : ['cpp'])
1210 endforeach
1211
1212 inc_include = include_directories('include')
1213
1214 gl_priv_reqs = [
1215   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1216   'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
1217 ]
1218 if dep_xxf86vm != [] and dep_xxf86vm.found()
1219   gl_priv_reqs += 'xxf86vm'
1220 endif
1221 if with_dri_platform == 'drm'
1222   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1223 endif
1224
1225 gl_priv_libs = []
1226 if dep_thread.found()
1227   gl_priv_libs += ['-lpthread', '-pthread']
1228 endif
1229 if dep_m.found()
1230   gl_priv_libs += '-lm'
1231 endif
1232 if dep_dl != [] and dep_dl.found()
1233   gl_priv_libs += '-ldl'
1234 endif
1235
1236 pkg = import('pkgconfig')
1237
1238 subdir('include')
1239 subdir('bin')
1240 subdir('src')