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   with_dri3 = system_has_kms_drm and with_dri2
 357 else
 358   with_dri3 = with_dri3 == 'true'
 359 endif
 360
 361 if with_any_vk and (with_platform_x11 and not with_dri3)
 362   error('Vulkan drivers require dri3 for X11 support')
 363 endif
 364 if with_dri or with_gallium
 365   if with_glx == 'disabled' and not with_egl
 366     error('building dri or gallium drivers require at least one window system')
 367   endif
 368 endif
 369
 370 prog_pkgconfig = find_program('pkg-config')
 371
 372 dep_vdpau = []
 373 _vdpau = get_option('gallium-vdpau')
 374 if _vdpau == 'auto'
 375   if not system_has_kms_drm
 376     with_gallium_vdpau = false
 377   elif not with_platform_x11
 378     with_gallium_vdpau = false
 379   elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 380             with_gallium_nouveau)
 381     with_gallium_vdpau = false
 382   else
 383     dep_vdpau = dependency('vdpau', version : '>= 1.1', required : false)
 384     with_gallium_vdpau = dep_vdpau.found()
 385   endif
 386 elif _vdpau == 'true'
 387   if not system_has_kms_drm
 388     error('VDPAU state tracker can only be build on DRM/KMS OSes.')
 389   elif not with_platform_x11
 390     error('VDPAU state tracker requires X11 support.')
 391     with_gallium_vdpau = false
 392   elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 393             with_gallium_nouveau)
 394     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 395   endif
 396   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 397   with_gallium_vdpau = true
 398 else
 399   with_gallium_vdpau = false
 400 endif
 401 if with_gallium_vdpau
 402   dep_vdpau = declare_dependency(
 403     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 404   )
 405 endif
 406
 407 if with_gallium_vdpau
 408   pre_args += '-DHAVE_ST_VDPAU'
 409 endif
 410 vdpau_drivers_path = get_option('vdpau-libs-path')
 411 if vdpau_drivers_path == ''
 412   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 413 endif
 414
 415 dep_xvmc = []
 416 _xvmc = get_option('gallium-xvmc')
 417 if _xvmc == 'auto'
 418   if not system_has_kms_drm
 419     with_gallium_xvmc = false
 420   elif not with_platform_x11
 421     with_gallium_xvmc = false
 422   elif not (with_gallium_r600 or with_gallium_nouveau)
 423     with_gallium_xvmc = false
 424   else
 425     dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : false)
 426     with_gallium_xvmc = dep_xvmc.found()
 427   endif
 428 elif _xvmc == 'true'
 429   if not system_has_kms_drm
 430     error('XVMC state tracker can only be build on DRM/KMS OSes.')
 431   elif not with_platform_x11
 432     error('XVMC state tracker requires X11 support.')
 433     with_gallium_xvmc = false
 434   elif not (with_gallium_r600 or with_gallium_nouveau)
 435     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 436   endif
 437   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 438   with_gallium_xvmc = true
 439 else
 440   with_gallium_xvmc = false
 441 endif
 442 if with_gallium_xvmc
 443   dep_xvmc = declare_dependency(
 444     compile_args : run_command(prog_pkgconfig, ['xvmc', '--cflags']).stdout().split()
 445   )
 446 endif
 447
 448 xvmc_drivers_path = get_option('xvmc-libs-path')
 449 if xvmc_drivers_path == ''
 450   xvmc_drivers_path = get_option('libdir')
 451 endif
 452
 453 dep_omx = []
 454 _omx = get_option('gallium-omx')
 455 if _omx == 'auto'
 456   if not system_has_kms_drm
 457     with_gallium_omx = false
 458   elif not with_platform_x11
 459     with_gallium_omx = false
 460   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 461     with_gallium_omx = false
 462   else
 463     dep_omx = dependency('libomxil-bellagio', required : false)
 464     with_gallium_omx = dep_omx.found()
 465   endif
 466 elif _omx == 'true'
 467   if not system_has_kms_drm
 468     error('OMX state tracker can only be built on DRM/KMS OSes.')
 469   elif not (with_platform_x11 or with_platform_drm)
 470     error('OMX state tracker requires X11 or drm platform support.')
 471     with_gallium_omx = false
 472   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 473     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 474   endif
 475   dep_omx = dependency('libomxil-bellagio')
 476   with_gallium_omx = true
 477 else
 478   with_gallium_omx = false
 479 endif
 480
 481 omx_drivers_path = get_option('omx-libs-path')
 482 if with_gallium_omx
 483   # Figure out where to put the omx driver.
 484   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 485   # argument to meson's get_pkgconfig_variable method.
 486   if omx_drivers_path == ''
 487     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 488     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 489     if _omx_libdir == get_option('libdir')
 490       omx_drivers_path = _omx_drivers_dir
 491     else
 492       _omx_base_dir = []
 493       # This will fail on windows. Does OMX run on windows?
 494       _omx_libdir = _omx_libdir.split('/')
 495       _omx_drivers_dir = _omx_drivers_dir.split('/')
 496       foreach o : _omx_drivers_dir
 497         if not _omx_libdir.contains(o)
 498           _omx_base_dir += o
 499         endif
 500       endforeach
 501       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 502     endif
 503   endif
 504 endif
 505 if with_gallium_omx
 506   dep_omx = declare_dependency(
 507     compile_args : run_command(prog_pkgconfig, ['libomxil-bellagio', '--cflags']).stdout().split()
 508   )
 509 endif
 510
 511 dep_va = []
 512 _va = get_option('gallium-va')
 513 if _va == 'auto'
 514   if not system_has_kms_drm
 515     with_gallium_va = false
 516   elif not with_platform_x11
 517     with_gallium_va = false
 518   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 519     with_gallium_va = false
 520   else
 521     dep_va = dependency('libva', version : '>= 0.38.0', required : false)
 522     with_gallium_va = dep_va.found()
 523   endif
 524 elif _va == 'true'
 525   if not system_has_kms_drm
 526     error('VA state tracker can only be built on DRM/KMS OSes.')
 527   elif not (with_platform_x11 or with_platform_drm)
 528     error('VA state tracker requires X11 or drm or wayland platform support.')
 529     with_gallium_va = false
 530   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 531     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 532   endif
 533   dep_va = dependency('libva', version : '>= 0.38.0')
 534   with_gallium_va = true
 535 else
 536   with_gallium_va = false
 537 endif
 538 if with_gallium_va
 539   dep_va = declare_dependency(
 540     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 541   )
 542 endif
 543
 544 va_drivers_path = get_option('va-libs-path')
 545 if va_drivers_path == ''
 546   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 547 endif
 548
 549 _xa = get_option('gallium-xa')
 550 if _xa == 'auto'
 551   if not system_has_kms_drm
 552     with_gallium_xa = false
 553   elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 554             or with_gallium_svga)
 555     with_gallium_xa = false
 556   else
 557     with_gallium_xa = true
 558   endif
 559 elif _xa == 'true'
 560   if not system_has_kms_drm
 561     error('XA state tracker can only be built on DRM/KMS OSes.')
 562   elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 563             or with_gallium_svga)
 564     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 565   endif
 566   with_gallium_xa = true
 567 else
 568   with_gallium_xa = false
 569 endif
 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 == 'windows'
 620       pre_args += '-DGLX_USE_WINDOWSGL'
 621     endif
 622   endif
 623 else
 624   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 625   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 626 endif
 627 if with_platform_drm
 628   if with_egl and not with_gbm
 629     error('EGL drm platform requires gbm')
 630   endif
 631   pre_args += '-DHAVE_DRM_PLATFORM'
 632 endif
 633 if with_platform_surfaceless
 634   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 635 endif
 636 if with_platform_android
 637   dep_android = [
 638     dependency('cutils'),
 639     dependency('hardware'),
 640     dependency('sync'),
 641   ]
 642   pre_args += '-DHAVE_ANDROID_PLATFORM'
 643 endif
 644
 645 prog_python2 = find_program('python2')
 646 has_mako = run_command(prog_python2, '-c', 'import mako')
 647 if has_mako.returncode() != 0
 648   error('Python (2.x) mako module required to build mesa.')
 649 endif
 650
 651 cc = meson.get_compiler('c')
 652 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 653   error('When using GCC, version 4.4.6 or later is required.')
 654 endif
 655
 656 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 657 if get_option('buildtype') == 'debug'
 658   pre_args += '-DDEBUG'
 659 endif
 660
 661 if get_option('shader-cache')
 662   pre_args += '-DENABLE_SHADER_CACHE'
 663 elif with_amd_vk
 664   error('Radv requires shader cache support')
 665 endif
 666
 667 # Check for GCC style builtins
 668 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 669              'ffsll', 'popcount', 'popcountll', 'unreachable']
 670   if cc.has_function(b)
 671     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 672   endif
 673 endforeach
 674
 675 # check for GCC __attribute__
 676 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 677              'warn_unused_result', 'weak',]
 678   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 679                  name : '__attribute__((@0@))'.format(a))
 680     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 681   endif
 682 endforeach
 683 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 684                name : '__attribute__((format(...)))')
 685   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 686 endif
 687 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 688                name : '__attribute__((packed))')
 689   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 690 endif
 691 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 692                name : '__attribute__((returns_nonnull))')
 693   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 694 endif
 695 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 696                   int foo_hid(void) __attribute__((visibility("hidden")));
 697                   int foo_int(void) __attribute__((visibility("internal")));
 698                   int foo_pro(void) __attribute__((visibility("protected")));''',
 699                name : '__attribute__((visibility(...)))')
 700   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 701 endif
 702 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 703                name : '__attribute__((alias(...)))')
 704   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 705 endif
 706 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 707                name : '__attribute__((__noreturn__))')
 708   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 709 endif
 710
 711 # TODO: this is very incomplete
 712 if ['linux', 'cygwin'].contains(host_machine.system())
 713   pre_args += '-D_GNU_SOURCE'
 714 endif
 715
 716 # Check for generic C arguments
 717 c_args = []
 718 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 719              '-Werror=missing-prototypes', '-fno-math-errno',
 720              '-fno-trapping-math', '-Qunused-arguments']
 721   if cc.has_argument(a)
 722     c_args += a
 723   endif
 724 endforeach
 725 c_vis_args = []
 726 if cc.has_argument('-fvisibility=hidden')
 727   c_vis_args += '-fvisibility=hidden'
 728 endif
 729
 730 # Check for generic C++ arguments
 731 cpp = meson.get_compiler('cpp')
 732 cpp_args = []
 733 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 734              '-Qunused-arguments']
 735   if cpp.has_argument(a)
 736     cpp_args += a
 737   endif
 738 endforeach
 739
 740 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 741 # option is not supported. Hence, check for -Wfoo instead.
 742 if cpp.has_argument('-Wnon-virtual-dtor')
 743   cpp_args += '-Wno-non-virtual-dtor'
 744 endif
 745
 746 no_override_init_args = []
 747 foreach a : ['override-init', 'initializer-overrides']
 748   if cc.has_argument('-W' + a)
 749     no_override_init_args += '-Wno-' + a
 750   endif
 751 endforeach
 752
 753 cpp_vis_args = []
 754 if cpp.has_argument('-fvisibility=hidden')
 755   cpp_vis_args += '-fvisibility=hidden'
 756 endif
 757
 758 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 759 # in parts of the mesa code base that need to compile with old versions of
 760 # MSVC, mainly common code
 761 c_msvc_compat_args = []
 762 cpp_msvc_compat_args = []
 763 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 764   if cc.has_argument(a)
 765     c_msvc_compat_args += a
 766   endif
 767   if cpp.has_argument(a)
 768     cpp_msvc_compat_args += a
 769   endif
 770 endforeach
 771
 772 if host_machine.cpu_family().startswith('x86')
 773   pre_args += '-DUSE_SSE41'
 774   with_sse41 = true
 775   sse41_args = ['-msse4.1']
 776
 777   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 778   # that's not guaranteed
 779   if host_machine.cpu_family() == 'x86'
 780     sse41_args += '-mstackrealign'
 781   endif
 782 else
 783   with_sse41 = false
 784   sse41_args = []
 785 endif
 786
 787 # Check for GCC style atomics
 788 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 789                name : 'GCC atomic builtins')
 790   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 791 endif
 792 if not cc.links('''#include <stdint.h>
 793                    uint64_t v;
 794                    int main() {
 795                      return __sync_add_and_fetch(&v, (uint64_t)1);
 796                    }''',
 797                 name : 'GCC 64bit atomics')
 798   pre_args += '-DMISSING_64_BIT_ATOMICS'
 799 endif
 800
 801 # TODO: endian
 802 # TODO: powr8
 803 # TODO: shared/static? Is this even worth doing?
 804
 805 # Building x86 assembly code requires running x86 binaries. It is possible for
 806 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 807 # TODO: it should be possible to use an exe_wrapper to run the binary during
 808 # the build.
 809 if meson.is_cross_build()
 810   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 811           and build_machine.system() == host_machine.system())
 812     message('Cross compiling to x86 from non-x86, disabling asm')
 813     with_asm = false
 814   endif
 815 endif
 816
 817 with_asm_arch = ''
 818 if with_asm
 819   # TODO: SPARC and PPC
 820   if host_machine.cpu_family() == 'x86'
 821     if system_has_kms_drm
 822       with_asm_arch = 'x86'
 823       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 824                    '-DUSE_SSE_ASM']
 825     endif
 826   elif host_machine.cpu_family() == 'x86_64'
 827     if system_has_kms_drm
 828       with_asm_arch = 'x86_64'
 829       pre_args += ['-DUSE_X86_64_ASM']
 830     endif
 831   elif host_machine.cpu_family() == 'arm'
 832     if system_has_kms_drm
 833       with_asm_arch = 'arm'
 834       pre_args += ['-DUSE_ARM_ASM']
 835     endif
 836   elif host_machine.cpu_family() == 'aarch64'
 837     if system_has_kms_drm
 838       with_asm_arch = 'aarch64'
 839       pre_args += ['-DUSE_AARCH64_ASM']
 840     endif
 841   endif
 842 endif
 843
 844 # Check for standard headers and functions
 845 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 846   pre_args += '-DMAJOR_IN_SYSMACROS'
 847 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 848   pre_args += '-DMAJOR_IN_MKDEV'
 849 endif
 850
 851 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 852   if cc.has_header(h)
 853     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 854   endif
 855 endforeach
 856
 857 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 858   if cc.has_function(f)
 859     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 860   endif
 861 endforeach
 862
 863 # strtod locale support
 864 if cc.links('''
 865     #define _GNU_SOURCE
 866     #include <stdlib.h>
 867     #include <locale.h>
 868     #ifdef HAVE_XLOCALE_H
 869     #include <xlocale.h>
 870     #endif
 871     int main() {
 872       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 873       const char *s = "1.0";
 874       char *end;
 875       double d = strtod_l(s, end, loc);
 876       float f = strtof_l(s, end, loc);
 877       freelocale(loc);
 878       return 0;
 879     }''',
 880     extra_args : pre_args,
 881     name : 'strtod has locale support')
 882   pre_args += '-DHAVE_STRTOD_L'
 883 endif
 884
 885 # Check for some linker flags
 886 ld_args_bsymbolic = []
 887 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 888   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 889 endif
 890 ld_args_gc_sections = []
 891 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 892             args : '-Wl,--gc-sections', name : 'gc-sections')
 893   ld_args_gc_sections += '-Wl,--gc-sections'
 894 endif
 895 with_ld_version_script = false
 896 if cc.links('int main() { return 0; }',
 897             args : '-Wl,--version-script=@0@'.format(
 898               join_paths(meson.source_root(), 'build-support/conftest.map')),
 899             name : 'version-script')
 900   with_ld_version_script = true
 901 endif
 902 with_ld_dynamic_list = false
 903 if cc.links('int main() { return 0; }',
 904             args : '-Wl,--dynamic-list=@0@'.format(
 905               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 906             name : 'dynamic-list')
 907   with_ld_dynamic_list = true
 908 endif
 909
 910 # check for dl support
 911 if cc.has_function('dlopen')
 912   dep_dl = []
 913 else
 914   dep_dl = cc.find_library('dl')
 915 endif
 916 if cc.has_function('dladdr', dependencies : dep_dl)
 917   # This is really only required for megadrivers
 918   pre_args += '-DHAVE_DLADDR'
 919 endif
 920
 921 if cc.has_function('dl_iterate_phdr')
 922   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 923 elif with_intel_vk
 924   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 925 elif with_dri_i965 and get_option('shader-cache')
 926   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 927 endif
 928
 929 # Determine whether or not the rt library is needed for time functions
 930 if cc.has_function('clock_gettime')
 931   dep_clock = []
 932 else
 933   dep_clock = cc.find_library('rt')
 934 endif
 935
 936 with_gallium_drisw_kms = false
 937 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 938                         required : with_dri2 or with_dri3)
 939 if dep_libdrm.found()
 940   pre_args += '-DHAVE_LIBDRM'
 941   if with_dri_platform == 'drm' and with_dri
 942     with_gallium_drisw_kms = true
 943   endif
 944 endif
 945
 946 # TODO: some of these may be conditional
 947 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 948 pre_args += '-DHAVE_ZLIB'
 949 dep_thread = dependency('threads')
 950 if dep_thread.found() and host_machine.system() != 'windows'
 951   pre_args += '-DHAVE_PTHREAD'
 952 endif
 953 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
 954   dep_elf = dependency('libelf', required : false)
 955   if not dep_elf.found()
 956     dep_elf = cc.find_library('elf')
 957   endif
 958 else
 959   dep_elf = []
 960 endif
 961 dep_expat = dependency('expat')
 962 # this only exists on linux so either this is linux and it will be found, or
 963 # its not linux and and wont
 964 dep_m = cc.find_library('m', required : false)
 965
 966 dep_libdrm_amdgpu = []
 967 dep_libdrm_radeon = []
 968 dep_libdrm_nouveau = []
 969 dep_libdrm_etnaviv = []
 970 dep_libdrm_freedreno = []
 971 if with_amd_vk or with_gallium_radeonsi
 972   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.89')
 973 endif
 974 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
 975     with_gallium_r300 or with_gallium_r600)
 976   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 977 endif
 978 if with_gallium_nouveau or with_dri_nouveau
 979   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 980 endif
 981 if with_gallium_etnaviv
 982   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 983 endif
 984 if with_gallium_freedreno
 985   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
 986 endif
 987
 988 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 989 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
 990   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 991   if with_gallium_r600
 992     llvm_modules += 'asmparser'
 993   endif
 994 endif
 995 if with_gallium_opencl
 996   llvm_modules += [
 997     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
 998     'lto', 'option', 'objcarcopts', 'profiledata',
 999   ]
1000   # TODO: optional modules
1001 endif
1002
1003 _llvm = get_option('llvm')
1004 if _llvm == 'auto'
1005   dep_llvm = dependency(
1006     'llvm', version : '>= 3.9.0', modules : llvm_modules,
1007     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1008   )
1009   with_llvm = dep_llvm.found()
1010 elif _llvm == 'true'
1011   dep_llvm = dependency('llvm', version : '>= 3.9.0', modules : llvm_modules)
1012   with_llvm = true
1013 else
1014   dep_llvm = []
1015   with_llvm = false
1016 endif
1017 if with_llvm
1018   _llvm_version = dep_llvm.version().split('.')
1019   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1020   # that for our version checks.
1021   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1022   # strippped as of 0.44, but we support older meson versions.
1023   _llvm_patch = _llvm_version[2]
1024   if _llvm_patch.endswith('svn')
1025     _llvm_patch = _llvm_patch.split('s')[0]
1026   elif _llvm_patch.contains('git')
1027     _llvm_patch = _llvm_patch.split('g')[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')