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