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 if host_machine.system() == 'darwin'
 206   with_dri_platform = 'apple'
 207 elif ['windows', 'cygwin'].contains(host_machine.system())
 208   with_dri_platform = 'windows'
 209 elif host_machine.system() == 'linux'
 210   # FIXME: This should include BSD and possibly other systems
 211   with_dri_platform = 'drm'
 212 else
 213   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 214   # assert here that one of those cases has been met.
 215   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 216   # support Hurd at time of writing (2017/11)
 217   with_dri_platform = 'none'
 218 endif
 219
 220 with_platform_android = false
 221 with_platform_wayland = false
 222 with_platform_x11 = false
 223 with_platform_drm = false
 224 with_platform_surfaceless = false
 225 egl_native_platform = ''
 226 _platforms = get_option('platforms')
 227 if _platforms == 'auto'
 228   if ['linux'].contains(host_machine.system())
 229     _platforms = 'x11,wayland,drm,surfaceless'
 230   else
 231     error('Unknown OS, no platforms enabled. Patches gladly accepted to fix this.')
 232   endif
 233 endif
 234 if _platforms != ''
 235   _split = _platforms.split(',')
 236   with_platform_android = _split.contains('android')
 237   with_platform_x11 = _split.contains('x11')
 238   with_platform_wayland = _split.contains('wayland')
 239   with_platform_drm = _split.contains('drm')
 240   with_platform_surfaceless = _split.contains('surfaceless')
 241   egl_native_platform = _split[0]
 242 endif
 243
 244 with_glx = get_option('glx')
 245 if with_glx == 'auto'
 246   if with_dri
 247     with_glx = 'dri'
 248   elif with_gallium
 249     # Even when building just gallium drivers the user probably wants dri
 250     with_glx = 'dri'
 251   elif with_platform_x11 and with_any_opengl and not with_any_vk
 252     # The automatic behavior should not be to turn on xlib based glx when
 253     # building only vulkan drivers
 254     with_glx = 'xlib'
 255   else
 256     with_glx = 'disabled'
 257   endif
 258 endif
 259 if with_glx == 'dri'
 260    if with_gallium
 261       with_dri = true
 262    endif
 263 endif
 264
 265 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 266   with_gles1 = false
 267   with_gles2 = false
 268   with_opengl = false
 269   with_any_opengl = false
 270   with_shared_glapi = false
 271 endif
 272
 273 with_gbm = get_option('gbm')
 274 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 275   with_gbm = host_machine.system() == 'linux'
 276 elif with_gbm == 'true'
 277   if not ['linux', 'bsd'].contains(host_machine.system())
 278     error('GBM only supports unix-like platforms')
 279   endif
 280   with_gbm = true
 281 else
 282   with_gbm = false
 283 endif
 284
 285 _egl = get_option('egl')
 286 if _egl == 'auto'
 287   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 288 elif _egl == 'true'
 289   if not with_dri
 290     error('EGL requires dri')
 291   elif not with_shared_glapi
 292     error('EGL requires shared-glapi')
 293   elif egl_native_platform == ''
 294     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 295   endif
 296   with_egl = true
 297 else
 298   with_egl = false
 299 endif
 300
 301 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 302   if with_gallium_radeonsi
 303     error('RadeonSI requires drm or surfaceless platform when using EGL')
 304   endif
 305   if with_gallium_virgl
 306     error('Virgl requires drm or surfaceless platform when using EGL')
 307   endif
 308 endif
 309
 310 pre_args += '-DGLX_USE_TLS'
 311 if with_glx != 'disabled'
 312   if not (with_platform_x11 and with_any_opengl)
 313     if with_glx == 'auto'
 314       with_glx = 'disabled'
 315     else
 316       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 317     endif
 318   elif with_glx == 'gallium-xlib'
 319     if not with_gallium
 320       error('Gallium-xlib based GLX requires at least one gallium driver')
 321     elif not with_gallium_softpipe
 322       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 323     elif with_dri
 324       error('gallium-xlib conflicts with any dri driver')
 325     endif
 326   elif with_glx == 'xlib'
 327     if with_dri
 328       error('xlib conflicts with any dri driver')
 329     endif
 330   elif with_glx == 'dri' and not with_dri
 331     error('dri based GLX requires at least one DRI driver')
 332   endif
 333 endif
 334
 335 with_glvnd = get_option('glvnd')
 336 if with_glvnd
 337   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 338     error('Cannot build glvnd support for GLX that is not DRI based.')
 339   elif with_glx == 'disabled' and not with_egl
 340     error('glvnd requires DRI based GLX and/or EGL')
 341   endif
 342 endif
 343
 344 # TODO: toggle for this
 345 with_glx_direct = true
 346
 347 if with_vulkan_icd_dir == ''
 348   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 349 endif
 350
 351 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 352 with_dri3 = get_option('dri3')
 353 if with_dri3 == 'auto'
 354   if host_machine.system() == 'linux' and with_dri2
 355     with_dri3 = true
 356   else
 357     with_dri3 = false
 358  endif
 359 elif with_dri3 == 'true'
 360   with_dri3 = true
 361 else
 362   with_dri3 = false
 363 endif
 364
 365 if with_any_vk and (with_platform_x11 and not with_dri3)
 366   error('Vulkan drivers require dri3 for X11 support')
 367 endif
 368 if with_dri or with_gallium
 369   if with_glx == 'disabled' and not with_egl
 370     error('building dri or gallium drivers require at least one window system')
 371   endif
 372 endif
 373
 374 dep_vdpau = []
 375 _vdpau = get_option('gallium-vdpau')
 376 if _vdpau == 'auto'
 377   if not ['linux', 'bsd'].contains(host_machine.system())
 378     with_gallium_vdpau = false
 379   elif not with_platform_x11
 380     with_gallium_vdpau = false
 381   elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 382             with_gallium_nouveau)
 383     with_gallium_vdpau = false
 384   else
 385     dep_vdpau = dependency('vdpau', version : '>= 1.1', required : false)
 386     with_gallium_vdpau = dep_vdpau.found()
 387   endif
 388 elif _vdpau == 'true'
 389   if not ['linux', 'bsd'].contains(host_machine.system())
 390     error('VDPAU state tracker can only be build on unix-like OSes.')
 391   elif not with_platform_x11
 392     error('VDPAU state tracker requires X11 support.')
 393     with_gallium_vdpau = false
 394   elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 395             with_gallium_nouveau)
 396     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 397   endif
 398   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 399   with_gallium_vdpau = true
 400 else
 401   with_gallium_vdpau = false
 402 endif
 403 if with_gallium_vdpau
 404   dep_vdpau = declare_dependency(
 405     compile_args : dep_vdpau.get_pkgconfig_variable('cflags').split()
 406   )
 407 endif
 408
 409 if with_gallium_vdpau
 410   pre_args += '-DHAVE_ST_VDPAU'
 411 endif
 412 vdpau_drivers_path = get_option('vdpau-libs-path')
 413 if vdpau_drivers_path == ''
 414   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 415 endif
 416
 417 dep_xvmc = []
 418 _xvmc = get_option('gallium-xvmc')
 419 if _xvmc == 'auto'
 420   if not ['linux', 'bsd'].contains(host_machine.system())
 421     with_gallium_xvmc = false
 422   elif not with_platform_x11
 423     with_gallium_xvmc = false
 424   elif not (with_gallium_r600 or with_gallium_nouveau)
 425     with_gallium_xvmc = false
 426   else
 427     dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : false)
 428     with_gallium_xvmc = dep_xvmc.found()
 429   endif
 430 elif _xvmc == 'true'
 431   if not ['linux', 'bsd'].contains(host_machine.system())
 432     error('XVMC state tracker can only be build on unix-like OSes.')
 433   elif not with_platform_x11
 434     error('XVMC state tracker requires X11 support.')
 435     with_gallium_xvmc = false
 436   elif not (with_gallium_r600 or with_gallium_nouveau)
 437     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 438   endif
 439   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 440   with_gallium_xvmc = true
 441 else
 442   with_gallium_xvmc = false
 443 endif
 444 if with_gallium_xvmc
 445   dep_xvmc = declare_dependency(
 446     compile_args : dep_xvmc.get_pkgconfig_variable('cflags').split()
 447   )
 448 endif
 449
 450 xvmc_drivers_path = get_option('xvmc-libs-path')
 451 if xvmc_drivers_path == ''
 452   xvmc_drivers_path = get_option('libdir')
 453 endif
 454
 455 dep_omx = []
 456 _omx = get_option('gallium-omx')
 457 if _omx == 'auto'
 458   if not ['linux', 'bsd'].contains(host_machine.system())
 459     with_gallium_omx = false
 460   elif not with_platform_x11
 461     with_gallium_omx = false
 462   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 463     with_gallium_omx = false
 464   else
 465     dep_omx = dependency('libomxil-bellagio', required : false)
 466     with_gallium_omx = dep_omx.found()
 467   endif
 468 elif _omx == 'true'
 469   if not ['linux', 'bsd'].contains(host_machine.system())
 470     error('OMX state tracker can only be built on unix-like OSes.')
 471   elif not (with_platform_x11 or with_platform_drm)
 472     error('OMX state tracker requires X11 or drm platform support.')
 473     with_gallium_omx = false
 474   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 475     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 476   endif
 477   dep_omx = dependency('libomxil-bellagio')
 478   with_gallium_omx = true
 479 else
 480   with_gallium_omx = false
 481 endif
 482
 483 omx_drivers_path = get_option('omx-libs-path')
 484 if with_gallium_omx
 485   # Figure out where to put the omx driver.
 486   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 487   # argument to meson's get_pkgconfig_variable method.
 488   if omx_drivers_path == ''
 489     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 490     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 491     if _omx_libdir == get_option('libdir')
 492       omx_drivers_path = _omx_drivers_dir
 493     else
 494       _omx_base_dir = []
 495       # This will fail on windows. Does OMX run on windows?
 496       _omx_libdir = _omx_libdir.split('/')
 497       _omx_drivers_dir = _omx_drivers_dir.split('/')
 498       foreach o : _omx_drivers_dir
 499         if not _omx_libdir.contains(o)
 500           _omx_base_dir += o
 501         endif
 502       endforeach
 503       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 504     endif
 505   endif
 506 endif
 507 if with_gallium_omx
 508   dep_omx = declare_dependency(
 509     compile_args : dep_omx.get_pkgconfig_variable('cflags').split()
 510   )
 511 endif
 512
 513 dep_va = []
 514 _va = get_option('gallium-va')
 515 if _va == 'auto'
 516   if not ['linux', 'bsd'].contains(host_machine.system())
 517     with_gallium_va = false
 518   elif not with_platform_x11
 519     with_gallium_va = false
 520   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 521     with_gallium_va = false
 522   else
 523     dep_va = dependency('libva', version : '>= 0.38.0', required : false)
 524     with_gallium_va = dep_va.found()
 525   endif
 526 elif _va == 'true'
 527   if not ['linux', 'bsd'].contains(host_machine.system())
 528     error('VA state tracker can only be built on unix-like OSes.')
 529   elif not (with_platform_x11 or with_platform_drm)
 530     error('VA state tracker requires X11 or drm or wayland platform support.')
 531     with_gallium_va = false
 532   elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 533     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 534   endif
 535   dep_va = dependency('libva', version : '>= 0.38.0')
 536   with_gallium_va = true
 537 else
 538   with_gallium_va = false
 539 endif
 540 if with_gallium_va
 541   dep_va = declare_dependency(
 542     compile_args : dep_va.get_pkgconfig_variable('cflags').split()
 543   )
 544 endif
 545
 546 va_drivers_path = get_option('va-libs-path')
 547 if va_drivers_path == ''
 548   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 549 endif
 550
 551 _xa = get_option('gallium-xa')
 552 if _xa == 'auto'
 553   if not ['linux', 'bsd'].contains(host_machine.system())
 554     with_gallium_xa = false
 555   elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 556             or with_gallium_svga)
 557     with_gallium_xa = false
 558   else
 559     with_gallium_xa = true
 560   endif
 561 elif _xa == 'true'
 562   if not ['linux', 'bsd'].contains(host_machine.system())
 563     error('XA state tracker can only be built on unix-like OSes.')
 564   elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 565             or with_gallium_svga)
 566     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 567   endif
 568   with_gallium_xa = true
 569 else
 570   with_gallium_xa = false
 571 endif
 572
 573 d3d_drivers_path = get_option('d3d-drivers-path')
 574 if d3d_drivers_path == ''
 575   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 576 endif
 577
 578 with_gallium_st_nine =  get_option('gallium-nine')
 579 if with_gallium_st_nine
 580   if not with_gallium_softpipe
 581     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 582   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 583             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 584     error('The nine state tracker requires at least on non-swrast gallium driver.')
 585   endif
 586   if not with_dri3
 587     error('Using nine with wine requires dri3')
 588   endif
 589 endif
 590
 591 _opencl = get_option('gallium-opencl')
 592 if _opencl != 'disabled'
 593   if not with_gallium
 594     error('OpenCL Clover implementation requires at least one gallium driver.')
 595   endif
 596
 597   # TODO: alitvec?
 598   dep_clc = dependency('libclc')
 599   with_gallium_opencl = true
 600   with_opencl_icd = _opencl == 'icd'
 601 else
 602   dep_clc = []
 603   with_gallium_opencl = false
 604   with_gallium_icd = false
 605 endif
 606
 607 gl_pkgconfig_c_flags = []
 608 if with_platform_x11
 609   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 610     pre_args += '-DHAVE_X11_PLATFORM'
 611   endif
 612   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 613     pre_args += '-DUSE_XSHM'
 614   else
 615     pre_args += '-DGLX_INDIRECT_RENDERING'
 616     if with_glx_direct
 617       pre_args += '-DGLX_DIRECT_RENDERING'
 618     endif
 619     if with_dri_platform == 'drm'
 620       pre_args += '-DGLX_USE_DRM'
 621     elif with_dri_platform == 'windows'
 622       pre_args += '-DGLX_USE_WINDOWSGL'
 623     endif
 624   endif
 625 else
 626   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 627   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 628 endif
 629 if with_platform_drm
 630   if with_egl and not with_gbm
 631     error('EGL drm platform requires gbm')
 632   endif
 633   pre_args += '-DHAVE_DRM_PLATFORM'
 634 endif
 635 if with_platform_surfaceless
 636   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 637 endif
 638 if with_platform_android
 639   dep_android = [
 640     dependency('cutils'),
 641     dependency('hardware'),
 642     dependency('sync'),
 643   ]
 644   pre_args += '-DHAVE_ANDROID_PLATFORM'
 645 endif
 646
 647 prog_python2 = find_program('python2')
 648 has_mako = run_command(prog_python2, '-c', 'import mako')
 649 if has_mako.returncode() != 0
 650   error('Python (2.x) mako module required to build mesa.')
 651 endif
 652
 653 cc = meson.get_compiler('c')
 654 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 655   error('When using GCC, version 4.4.6 or later is required.')
 656 endif
 657
 658 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 659 if get_option('buildtype') == 'debug'
 660   pre_args += '-DDEBUG'
 661 endif
 662
 663 if get_option('shader-cache')
 664   pre_args += '-DENABLE_SHADER_CACHE'
 665 elif with_amd_vk
 666   error('Radv requires shader cache support')
 667 endif
 668
 669 # Check for GCC style builtins
 670 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 671              'ffsll', 'popcount', 'popcountll', 'unreachable']
 672   if cc.has_function(b)
 673     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 674   endif
 675 endforeach
 676
 677 # check for GCC __attribute__
 678 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 679              'warn_unused_result', 'weak',]
 680   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 681                  name : '__attribute__((@0@))'.format(a))
 682     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 683   endif
 684 endforeach
 685 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 686                name : '__attribute__((format(...)))')
 687   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 688 endif
 689 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 690                name : '__attribute__((packed))')
 691   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 692 endif
 693 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 694                name : '__attribute__((returns_nonnull))')
 695   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 696 endif
 697 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 698                   int foo_hid(void) __attribute__((visibility("hidden")));
 699                   int foo_int(void) __attribute__((visibility("internal")));
 700                   int foo_pro(void) __attribute__((visibility("protected")));''',
 701                name : '__attribute__((visibility(...)))')
 702   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 703 endif
 704 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 705                name : '__attribute__((alias(...)))')
 706   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 707 endif
 708 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 709                name : '__attribute__((__noreturn__))')
 710   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 711 endif
 712
 713 # TODO: this is very incomplete
 714 if ['linux', 'cygwin'].contains(host_machine.system())
 715   pre_args += '-D_GNU_SOURCE'
 716 endif
 717
 718 # Check for generic C arguments
 719 c_args = []
 720 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 721              '-Werror=missing-prototypes', '-fno-math-errno',
 722              '-fno-trapping-math', '-Qunused-arguments']
 723   if cc.has_argument(a)
 724     c_args += a
 725   endif
 726 endforeach
 727 c_vis_args = []
 728 if cc.has_argument('-fvisibility=hidden')
 729   c_vis_args += '-fvisibility=hidden'
 730 endif
 731
 732 # Check for generic C++ arguments
 733 cpp = meson.get_compiler('cpp')
 734 cpp_args = []
 735 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 736              '-Qunused-arguments']
 737   if cpp.has_argument(a)
 738     cpp_args += a
 739   endif
 740 endforeach
 741
 742 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 743 # option is not supported. Hence, check for -Wfoo instead.
 744 if cpp.has_argument('-Wnon-virtual-dtor')
 745   cpp_args += '-Wno-non-virtual-dtor'
 746 endif
 747
 748 no_override_init_args = []
 749 foreach a : ['override-init', 'initializer-overrides']
 750   if cc.has_argument('-W' + a)
 751     no_override_init_args += '-Wno-' + a
 752   endif
 753 endforeach
 754
 755 cpp_vis_args = []
 756 if cpp.has_argument('-fvisibility=hidden')
 757   cpp_vis_args += '-fvisibility=hidden'
 758 endif
 759
 760 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 761 # in parts of the mesa code base that need to compile with old versions of
 762 # MSVC, mainly common code
 763 c_msvc_compat_args = []
 764 cpp_msvc_compat_args = []
 765 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 766   if cc.has_argument(a)
 767     c_msvc_compat_args += a
 768   endif
 769   if cpp.has_argument(a)
 770     cpp_msvc_compat_args += a
 771   endif
 772 endforeach
 773
 774 if host_machine.cpu_family().startswith('x86')
 775   pre_args += '-DHAVE_SSE41'
 776   with_sse41 = true
 777   sse41_args = ['-msse4.1']
 778
 779   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 780   # that's not guaranteed
 781   if host_machine.cpu_family() == 'x86'
 782     sse41_args += '-mstackrealign'
 783   endif
 784 else
 785   with_sse41 = false
 786   sse41_args = []
 787 endif
 788
 789 # Check for GCC style atomics
 790 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 791                name : 'GCC atomic builtins')
 792   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 793 endif
 794 if not cc.links('''#include <stdint.h>
 795                    uint64_t v;
 796                    int main() {
 797                      return __sync_add_and_fetch(&v, (uint64_t)1);
 798                    }''',
 799                 name : 'GCC 64bit atomics')
 800   pre_args += '-DMISSING_64_BIT_ATOMICS'
 801 endif
 802
 803 # TODO: endian
 804 # TODO: powr8
 805 # TODO: shared/static? Is this even worth doing?
 806
 807 # Building x86 assembly code requires running x86 binaries. It is possible for
 808 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 809 # TODO: it should be possible to use an exe_wrapper to run the binary during
 810 # the build.
 811 if meson.is_cross_build()
 812   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 813           and build_machine.system() == host_machine.system())
 814     message('Cross compiling to x86 from non-x86, disabling asm')
 815     with_asm = false
 816   endif
 817 endif
 818
 819 with_asm_arch = ''
 820 if with_asm
 821   # TODO: SPARC and PPC
 822   if host_machine.cpu_family() == 'x86'
 823     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 824       with_asm_arch = 'x86'
 825       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 826                    '-DUSE_SSE_ASM']
 827     endif
 828   elif host_machine.cpu_family() == 'x86_64'
 829     if host_machine.system() == 'linux'
 830       with_asm_arch = 'x86_64'
 831       pre_args += ['-DUSE_X86_64_ASM']
 832     endif
 833   elif host_machine.cpu_family() == 'arm'
 834     if host_machine.system() == 'linux'
 835       with_asm_arch = 'arm'
 836       pre_args += ['-DUSE_ARM_ASM']
 837     endif
 838   elif host_machine.cpu_family() == 'aarch64'
 839     if host_machine.system() == 'linux'
 840       with_asm_arch = 'aarch64'
 841       pre_args += ['-DUSE_AARCH64_ASM']
 842     endif
 843   endif
 844 endif
 845
 846 # Check for standard headers and functions
 847 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 848   pre_args += '-DMAJOR_IN_SYSMACROS'
 849 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 850   pre_args += '-DMAJOR_IN_MKDEV'
 851 endif
 852
 853 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 854   if cc.has_header(h)
 855     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 856   endif
 857 endforeach
 858
 859 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 860   if cc.has_function(f)
 861     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 862   endif
 863 endforeach
 864
 865 # strtod locale support
 866 if cc.links('''
 867     #define _GNU_SOURCE
 868     #include <stdlib.h>
 869     #include <locale.h>
 870     #ifdef HAVE_XLOCALE_H
 871     #include <xlocale.h>
 872     #endif
 873     int main() {
 874       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 875       const char *s = "1.0";
 876       char *end;
 877       double d = strtod_l(s, end, loc);
 878       float f = strtof_l(s, end, loc);
 879       freelocale(loc);
 880       return 0;
 881     }''',
 882     extra_args : pre_args,
 883     name : 'strtod has locale support')
 884   pre_args += '-DHAVE_STRTOD_L'
 885 endif
 886
 887 # Check for some linker flags
 888 ld_args_bsymbolic = []
 889 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 890   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 891 endif
 892 ld_args_gc_sections = []
 893 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 894             args : '-Wl,--gc-sections', name : 'gc-sections')
 895   ld_args_gc_sections += '-Wl,--gc-sections'
 896 endif
 897 with_ld_version_script = false
 898 if cc.links('int main() { return 0; }',
 899             args : '-Wl,--version-script=@0@'.format(
 900               join_paths(meson.source_root(), 'build-support/conftest.map')),
 901             name : 'version-script')
 902   with_ld_version_script = true
 903 endif
 904 with_ld_dynamic_list = false
 905 if cc.links('int main() { return 0; }',
 906             args : '-Wl,--dynamic-list=@0@'.format(
 907               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 908             name : 'dynamic-list')
 909   with_ld_dynamic_list = true
 910 endif
 911
 912 # check for dl support
 913 if cc.has_function('dlopen')
 914   dep_dl = []
 915 else
 916   dep_dl = cc.find_library('dl')
 917 endif
 918 if cc.has_function('dladdr', dependencies : dep_dl)
 919   # This is really only required for megadrivers
 920   pre_args += '-DHAVE_DLADDR'
 921 endif
 922
 923 if cc.has_function('dl_iterate_phdr')
 924   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 925 elif with_intel_vk
 926   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 927 elif with_dri_i965 and get_option('shader-cache')
 928   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 929 endif
 930
 931 # Determine whether or not the rt library is needed for time functions
 932 if cc.has_function('clock_gettime')
 933   dep_clock = []
 934 else
 935   dep_clock = cc.find_library('rt')
 936 endif
 937
 938 with_gallium_drisw_kms = false
 939 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 940                         required : with_dri2 or with_dri3)
 941 if dep_libdrm.found()
 942   pre_args += '-DHAVE_LIBDRM'
 943   if with_dri_platform == 'drm' and with_dri
 944     with_gallium_drisw_kms = true
 945   endif
 946 endif
 947
 948 # TODO: some of these may be conditional
 949 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 950 pre_args += '-DHAVE_ZLIB'
 951 dep_thread = dependency('threads')
 952 if dep_thread.found() and host_machine.system() != 'windows'
 953   pre_args += '-DHAVE_PTHREAD'
 954 endif
 955 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
 956   dep_elf = dependency('libelf', required : false)
 957   if not dep_elf.found()
 958     dep_elf = cc.find_library('elf')
 959   endif
 960 else
 961   dep_elf = []
 962 endif
 963 dep_expat = dependency('expat')
 964 # this only exists on linux so either this is linux and it will be found, or
 965 # its not linux and and wont
 966 dep_m = cc.find_library('m', required : false)
 967
 968 dep_libdrm_amdgpu = []
 969 dep_libdrm_radeon = []
 970 dep_libdrm_nouveau = []
 971 dep_libdrm_etnaviv = []
 972 dep_libdrm_freedreno = []
 973 if with_amd_vk or with_gallium_radeonsi
 974   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.89')
 975 endif
 976 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
 977     with_gallium_r300 or with_gallium_r600)
 978   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 979 endif
 980 if with_gallium_nouveau or with_dri_nouveau
 981   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 982 endif
 983 if with_gallium_etnaviv
 984   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 985 endif
 986 if with_gallium_freedreno
 987   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
 988 endif
 989
 990 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 991 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
 992   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 993   if with_gallium_r600
 994     llvm_modules += 'asmparser'
 995   endif
 996 endif
 997 if with_gallium_opencl
 998   llvm_modules += [
 999     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1000     'lto', 'option', 'objcarcopts', 'profiledata',
1001   ]
1002   # TODO: optional modules
1003 endif
1004
1005 _llvm = get_option('llvm')
1006 if _llvm == 'auto'
1007   dep_llvm = dependency(
1008     'llvm', version : '>= 3.9.0', modules : llvm_modules,
1009     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1010   )
1011   with_llvm = dep_llvm.found()
1012 elif _llvm == 'true'
1013   dep_llvm = dependency('llvm', version : '>= 3.9.0', modules : llvm_modules)
1014   with_llvm = true
1015 else
1016   dep_llvm = []
1017   with_llvm = false
1018 endif
1019 if with_llvm
1020   _llvm_version = dep_llvm.version().split('.')
1021   # Development versions of LLVM have an 'svn' suffix, we don't want that for
1022   # our version checks.
1023   _llvm_patch = _llvm_version[2]
1024   if _llvm_patch.endswith('svn')
1025     _llvm_patch = _llvm_patch.split('s')[0]
1026   endif
1027   pre_args += [
1028     '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
1029     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1030   ]
1031 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1032   error('The following drivers requires LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1033 endif
1034
1035 dep_glvnd = []
1036 if with_glvnd
1037   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1038   pre_args += '-DUSE_LIBGLVND=1'
1039 endif
1040
1041 if with_valgrind != 'false'
1042   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1043   if dep_valgrind.found()
1044     pre_args += '-DHAVE_VALGRIND'
1045   endif
1046 else
1047   dep_valgrind = []
1048 endif
1049
1050 # pthread stubs. Lets not and say we didn't
1051
1052 prog_bison = find_program('bison', required : with_any_opengl)
1053 prog_flex = find_program('flex', required : with_any_opengl)
1054
1055 dep_selinux = []
1056 if get_option('selinux')
1057   dep_selinux = dependency('libselinux')
1058   pre_args += '-DMESA_SELINUX'
1059 endif
1060
1061 # TODO: llvm-prefix and llvm-shared-libs
1062
1063 if with_libunwind != 'false'
1064   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1065   if dep_unwind.found()
1066     pre_args += '-DHAVE_LIBUNWIND'
1067   endif
1068 else
1069   dep_unwind = []
1070 endif
1071
1072 # TODO: gallium-hud
1073
1074 if with_osmesa != 'none'
1075   if with_osmesa == 'classic' and not with_dri_swrast
1076     error('OSMesa classic requires dri (classic) swrast.')
1077   endif
1078   if with_osmesa == 'gallium' and not with_gallium_softpipe
1079     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1080   endif
1081   osmesa_lib_name = 'OSMesa'
1082   osmesa_bits = get_option('osmesa-bits')
1083   if osmesa_bits != '8'
1084     if with_dri or with_glx != 'disabled'
1085       error('OSMesa bits must be 8 if building glx or dir based drivers')
1086     endif
1087     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1088     pre_args += [
1089       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1090     ]
1091   endif
1092 endif
1093
1094 # TODO: symbol mangling
1095
1096 if with_platform_wayland
1097   prog_wl_scanner = find_program('wayland-scanner')
1098   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1099   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1100   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1101   wayland_dmabuf_xml = join_paths(
1102     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1103     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1104   )
1105   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1106 else
1107   prog_wl_scanner = []
1108   dep_wl_protocols = []
1109   dep_wayland_client = []
1110   dep_wayland_server = []
1111   wayland_dmabuf_xml = ''
1112 endif
1113
1114 dep_x11 = []
1115 dep_xext = []
1116 dep_xdamage = []
1117 dep_xfixes = []
1118 dep_x11_xcb = []
1119 dep_xcb = []
1120 dep_xcb_glx = []
1121 dep_xcb_dri2 = []
1122 dep_xcb_dri3 = []
1123 dep_dri2proto = []
1124 dep_glproto = []
1125 dep_xxf86vm = []
1126 dep_xcb_dri3 = []
1127 dep_xcb_present = []
1128 dep_xcb_sync = []
1129 dep_xcb_xfixes = []
1130 dep_xshmfence = []
1131 if with_platform_x11
1132   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1133     dep_x11 = dependency('x11')
1134     dep_xext = dependency('xext')
1135     dep_xcb = dependency('xcb')
1136   elif with_glx == 'dri'
1137     dep_x11 = dependency('x11')
1138     dep_xext = dependency('xext')
1139     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1140     dep_xfixes = dependency('xfixes')
1141     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1142     dep_xxf86vm = dependency('xxf86vm', required : false)
1143   endif
1144   if (with_any_vk or with_glx == 'dri' or
1145        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_omx or
1146         with_gallium_xa))
1147     dep_xcb = dependency('xcb')
1148     dep_x11_xcb = dependency('x11-xcb')
1149   endif
1150   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
1151     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1152
1153     if with_dri3
1154       pre_args += '-DHAVE_DRI3'
1155       dep_xcb_dri3 = dependency('xcb-dri3')
1156       dep_xcb_present = dependency('xcb-present')
1157       dep_xcb_sync = dependency('xcb-sync')
1158       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1159     endif
1160   endif
1161   if with_glx == 'dri'
1162     if with_dri_platform == 'drm'
1163       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1164     endif
1165     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1166   endif
1167   if with_egl
1168     dep_xcb_xfixes = dependency('xcb-xfixes')
1169   endif
1170 endif
1171
1172 if get_option('gallium-extra-hud')
1173   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1174 endif
1175
1176 _sensors = get_option('lmsensors')
1177 if _sensors != 'false'
1178   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1179   if dep_lmsensors.found()
1180     pre_args += '-DHAVE_LIBSENSORS=1'
1181   endif
1182 else
1183   dep_lmsensors = []
1184 endif
1185
1186 # TODO: gallium tests
1187
1188 # TODO: various libdirs
1189
1190 # TODO: gallium driver dirs
1191
1192 # FIXME: this is a workaround for #2326
1193 prog_touch = find_program('touch')
1194 dummy_cpp = custom_target(
1195   'dummy_cpp',
1196   output : 'dummy.cpp',
1197   command : [prog_touch, '@OUTPUT@'],
1198 )
1199
1200 foreach a : pre_args
1201   add_project_arguments(a, language : ['c', 'cpp'])
1202 endforeach
1203 foreach a : c_args
1204   add_project_arguments(a, language : ['c'])
1205 endforeach
1206 foreach a : cpp_args
1207   add_project_arguments(a, language : ['cpp'])
1208 endforeach
1209
1210 inc_include = include_directories('include')
1211
1212 gl_priv_reqs = [
1213   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1214   'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
1215 ]
1216 if dep_xxf86vm != [] and dep_xxf86vm.found()
1217   gl_priv_reqs += 'xxf86vm'
1218 endif
1219 if with_dri_platform == 'drm'
1220   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1221 endif
1222
1223 gl_priv_libs = []
1224 if dep_thread.found()
1225   gl_priv_libs += ['-lpthread', '-pthread']
1226 endif
1227 if dep_m.found()
1228   gl_priv_libs += '-lm'
1229 endif
1230 if dep_dl != [] and dep_dl.found()
1231   gl_priv_libs += '-ldl'
1232 endif
1233
1234 pkg = import('pkgconfig')
1235
1236 subdir('include')
1237 subdir('bin')
1238 subdir('src')