meson.build

   1 # Copyright © 2017-2018 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 : '>= 0.44.1',
  29   default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
  30 )
  31
  32 null_dep = dependency('', required : false)
  33
  34 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  35
  36 # Arguments for the preprocessor, put these in a separate array from the C and
  37 # C++ (cpp in meson terminology) arguments since they need to be added to the
  38 # default arguments for both C and C++.
  39 pre_args = [
  40   '-D__STDC_CONSTANT_MACROS',
  41   '-D__STDC_FORMAT_MACROS',
  42   '-D__STDC_LIMIT_MACROS',
  43   '-DVERSION="@0@"'.format(meson.project_version()),
  44   '-DPACKAGE_VERSION=VERSION',
  45   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  46 ]
  47
  48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  49 with_tests = get_option('build-tests')
  50 with_valgrind = get_option('valgrind')
  51 with_libunwind = get_option('libunwind')
  52 with_asm = get_option('asm')
  53 with_osmesa = get_option('osmesa')
  54 with_swr_arches = get_option('swr-arches')
  55 with_tools = get_option('tools')
  56 if with_tools.contains('all')
  57   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
  58 endif
  59 if get_option('texture-float')
  60   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  61   warning('Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  62 endif
  63
  64 dri_drivers_path = get_option('dri-drivers-path')
  65 if dri_drivers_path == ''
  66   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  67 endif
  68 dri_search_path = get_option('dri-search-path')
  69 if dri_search_path == ''
  70   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  71 endif
  72
  73 with_gles1 = get_option('gles1')
  74 with_gles2 = get_option('gles2')
  75 with_opengl = get_option('opengl')
  76 with_any_opengl = with_opengl or with_gles1 or with_gles2
  77 # Only build shared_glapi if at least one OpenGL API is enabled
  78 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  79
  80
  81 # shared-glapi is required if at least two OpenGL APIs are being built
  82 if not with_shared_glapi
  83   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  84       or (with_gles2 and with_opengl))
  85     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  86   endif
  87 endif
  88
  89 # We require OpenGL for OpenGL ES
  90 if (with_gles1 or with_gles2) and not with_opengl
  91   error('building OpenGL ES without OpenGL is not supported.')
  92 endif
  93
  94 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  95
  96 with_dri = false
  97 with_dri_i915 = false
  98 with_dri_i965 = false
  99 with_dri_r100 = false
 100 with_dri_r200 = false
 101 with_dri_nouveau = false
 102 with_dri_swrast = false
 103 _drivers = get_option('dri-drivers')
 104 if _drivers.contains('auto')
 105   if system_has_kms_drm
 106     # TODO: PPC, Sparc
 107     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 108       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 109     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 110       _drivers = ['']
 111     else
 112       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 113     endif
 114   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 115     # only swrast would make sense here, but gallium swrast is a much better default
 116     _drivers = ['']
 117   else
 118     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 119   endif
 120 endif
 121 if _drivers != ['']
 122   with_dri_i915 = _drivers.contains('i915')
 123   with_dri_i965 = _drivers.contains('i965')
 124   with_dri_r100 = _drivers.contains('r100')
 125   with_dri_r200 = _drivers.contains('r200')
 126   with_dri_nouveau = _drivers.contains('nouveau')
 127   with_dri_swrast = _drivers.contains('swrast')
 128   with_dri = true
 129 endif
 130
 131 with_gallium = false
 132 with_gallium_pl111 = false
 133 with_gallium_radeonsi = false
 134 with_gallium_r300 = false
 135 with_gallium_r600 = false
 136 with_gallium_nouveau = false
 137 with_gallium_freedreno = false
 138 with_gallium_softpipe = false
 139 with_gallium_vc4 = false
 140 with_gallium_v3d = false
 141 with_gallium_etnaviv = false
 142 with_gallium_imx = false
 143 with_gallium_tegra = false
 144 with_gallium_i915 = false
 145 with_gallium_svga = false
 146 with_gallium_virgl = false
 147 with_gallium_swr = false
 148 _drivers = get_option('gallium-drivers')
 149 if _drivers.contains('auto')
 150   if system_has_kms_drm
 151     # TODO: PPC, Sparc
 152     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 153       _drivers = [
 154         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 155       ]
 156     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 157       _drivers = [
 158         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 159         'tegra', 'virgl', 'swrast',
 160       ]
 161     else
 162       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 163     endif
 164   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 165     _drivers = ['swrast']
 166   else
 167     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 168   endif
 169 endif
 170 if _drivers != ['']
 171   with_gallium_pl111 = _drivers.contains('pl111')
 172   with_gallium_radeonsi = _drivers.contains('radeonsi')
 173   with_gallium_r300 = _drivers.contains('r300')
 174   with_gallium_r600 = _drivers.contains('r600')
 175   with_gallium_nouveau = _drivers.contains('nouveau')
 176   with_gallium_freedreno = _drivers.contains('freedreno')
 177   with_gallium_softpipe = _drivers.contains('swrast')
 178   with_gallium_v3d = _drivers.contains('v3d')
 179   with_gallium_vc4 = _drivers.contains('vc4')
 180   with_gallium_etnaviv = _drivers.contains('etnaviv')
 181   with_gallium_imx = _drivers.contains('imx')
 182   with_gallium_tegra = _drivers.contains('tegra')
 183   with_gallium_i915 = _drivers.contains('i915')
 184   with_gallium_svga = _drivers.contains('svga')
 185   with_gallium_virgl = _drivers.contains('virgl')
 186   with_gallium_swr = _drivers.contains('swr')
 187   with_gallium = true
 188   if system_has_kms_drm
 189     _glx = get_option('glx')
 190     _egl = get_option('egl')
 191     if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 192       with_dri = true
 193     endif
 194   endif
 195 endif
 196
 197 with_intel_vk = false
 198 with_amd_vk = false
 199 with_any_vk = false
 200 _vulkan_drivers = get_option('vulkan-drivers')
 201 if _vulkan_drivers.contains('auto')
 202   if system_has_kms_drm
 203     if host_machine.cpu_family().startswith('x86')
 204       _vulkan_drivers = ['amd', 'intel']
 205     else
 206       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 207     endif
 208   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 209     # No vulkan driver supports windows or macOS currently
 210     _vulkan_drivers = ['']
 211   else
 212     error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 213   endif
 214 endif
 215 if _vulkan_drivers != ['']
 216   with_intel_vk = _vulkan_drivers.contains('intel')
 217   with_amd_vk = _vulkan_drivers.contains('amd')
 218   with_any_vk = true
 219 endif
 220
 221 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 222   error('Only one swrast provider can be built')
 223 endif
 224 if with_dri_i915 and with_gallium_i915
 225   error('Only one i915 provider can be built')
 226 endif
 227 if with_gallium_imx and not with_gallium_etnaviv
 228   error('IMX driver requires etnaviv driver')
 229 endif
 230 if with_gallium_pl111 and not with_gallium_vc4
 231   error('pl111 driver requires vc4 driver')
 232 endif
 233 if with_gallium_tegra and not with_gallium_nouveau
 234   error('tegra driver requires nouveau driver')
 235 endif
 236
 237 if host_machine.system() == 'darwin'
 238   with_dri_platform = 'apple'
 239 elif ['windows', 'cygwin'].contains(host_machine.system())
 240   with_dri_platform = 'windows'
 241 elif system_has_kms_drm
 242   with_dri_platform = 'drm'
 243 else
 244   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 245   # assert here that one of those cases has been met.
 246   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 247   # support Hurd at time of writing (2017/11)
 248   # FIXME: illumos ends up here as well
 249   with_dri_platform = 'none'
 250 endif
 251
 252 with_platform_android = false
 253 with_platform_wayland = false
 254 with_platform_x11 = false
 255 with_platform_drm = false
 256 with_platform_surfaceless = false
 257 egl_native_platform = ''
 258 _platforms = get_option('platforms')
 259 if _platforms.contains('auto')
 260   if system_has_kms_drm
 261     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 262   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 263     _platforms = ['x11', 'surfaceless']
 264   elif ['haiku'].contains(host_machine.system())
 265     _platforms = ['haiku']
 266   else
 267     error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
 268   endif
 269 endif
 270 if _platforms != ['']
 271   with_platform_android = _platforms.contains('android')
 272   with_platform_x11 = _platforms.contains('x11')
 273   with_platform_wayland = _platforms.contains('wayland')
 274   with_platform_drm = _platforms.contains('drm')
 275   with_platform_haiku = _platforms.contains('haiku')
 276   with_platform_surfaceless = _platforms.contains('surfaceless')
 277   egl_native_platform = _platforms[0]
 278 endif
 279
 280 with_glx = get_option('glx')
 281 if with_glx == 'auto'
 282   if with_dri
 283     with_glx = 'dri'
 284   elif with_platform_haiku
 285     with_glx = 'disabled'
 286   elif with_gallium
 287     # Even when building just gallium drivers the user probably wants dri
 288     with_glx = 'dri'
 289     with_dri = true
 290   elif with_platform_x11 and with_any_opengl and not with_any_vk
 291     # The automatic behavior should not be to turn on xlib based glx when
 292     # building only vulkan drivers
 293     with_glx = 'xlib'
 294   else
 295     with_glx = 'disabled'
 296   endif
 297 endif
 298
 299 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 300   with_gles1 = false
 301   with_gles2 = false
 302   with_opengl = false
 303   with_any_opengl = false
 304   with_shared_glapi = false
 305 endif
 306
 307 _gbm = get_option('gbm')
 308 if _gbm == 'auto'
 309   with_gbm = system_has_kms_drm and with_dri
 310 else
 311   with_gbm = _gbm == 'true'
 312 endif
 313 if with_gbm and not system_has_kms_drm
 314   error('GBM only supports DRM/KMS platforms')
 315 endif
 316
 317 _egl = get_option('egl')
 318 if _egl == 'auto'
 319   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 320 elif _egl == 'true'
 321   if not with_dri
 322     error('EGL requires dri')
 323   elif not with_shared_glapi
 324     error('EGL requires shared-glapi')
 325   elif egl_native_platform == ''
 326     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 327   elif not ['disabled', 'dri'].contains(with_glx)
 328     error('EGL requires dri, but a GLX is being built without dri')
 329   endif
 330   with_egl = true
 331 else
 332   with_egl = false
 333 endif
 334
 335 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 336   if with_gallium_radeonsi
 337     error('RadeonSI requires drm or surfaceless platform when using EGL')
 338   endif
 339   if with_gallium_virgl
 340     error('Virgl requires drm or surfaceless platform when using EGL')
 341   endif
 342 endif
 343
 344 pre_args += '-DGLX_USE_TLS'
 345 if with_glx != 'disabled'
 346   if not (with_platform_x11 and with_any_opengl)
 347     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 348   elif with_glx == 'gallium-xlib'
 349     if not with_gallium
 350       error('Gallium-xlib based GLX requires at least one gallium driver')
 351     elif not with_gallium_softpipe
 352       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 353     elif with_dri
 354       error('gallium-xlib conflicts with any dri driver')
 355     endif
 356   elif with_glx == 'xlib'
 357     if with_dri
 358       error('xlib conflicts with any dri driver')
 359     endif
 360   elif with_glx == 'dri'
 361     if not with_dri
 362       error('dri based GLX requires at least one DRI driver')
 363     elif not with_shared_glapi
 364       error('dri based GLX requires shared-glapi')
 365     endif
 366   endif
 367 endif
 368
 369 with_glvnd = get_option('glvnd')
 370 if with_glvnd
 371   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 372     error('Cannot build glvnd support for GLX that is not DRI based.')
 373   elif with_glx == 'disabled' and not with_egl
 374     error('glvnd requires DRI based GLX and/or EGL')
 375   endif
 376 endif
 377
 378 # TODO: toggle for this
 379 with_glx_direct = true
 380
 381 if with_vulkan_icd_dir == ''
 382   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 383 endif
 384
 385 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 386 _dri3 = get_option('dri3')
 387 if _dri3 == 'auto'
 388   with_dri3 = system_has_kms_drm and with_dri2
 389 else
 390   with_dri3 = _dri3 == 'true'
 391 endif
 392
 393 if with_any_vk and (with_platform_x11 and not with_dri3)
 394   error('Vulkan drivers require dri3 for X11 support')
 395 endif
 396 if with_dri or with_gallium
 397   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 398     error('building dri or gallium drivers require at least one window system')
 399   endif
 400 endif
 401
 402 prog_pkgconfig = find_program('pkg-config')
 403
 404 _vdpau = get_option('gallium-vdpau')
 405 if not system_has_kms_drm
 406   if _vdpau == 'true'
 407     error('VDPAU state tracker can only be build on unix-like OSes.')
 408   else
 409     _vdpau = 'false'
 410   endif
 411 elif not with_platform_x11
 412   if _vdpau == 'true'
 413     error('VDPAU state tracker requires X11 support.')
 414   else
 415     _vdpau = 'false'
 416   endif
 417 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 418           with_gallium_nouveau)
 419   if _vdpau == 'true'
 420     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 421   else
 422     _vdpau = 'false'
 423   endif
 424 elif _vdpau == 'auto'
 425   _vdpau = 'true'
 426 endif
 427 with_gallium_vdpau = _vdpau == 'true'
 428 dep_vdpau = null_dep
 429 if with_gallium_vdpau
 430   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 431   dep_vdpau = declare_dependency(
 432     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 433   )
 434 endif
 435
 436 if with_gallium_vdpau
 437   pre_args += '-DHAVE_ST_VDPAU'
 438 endif
 439 vdpau_drivers_path = get_option('vdpau-libs-path')
 440 if vdpau_drivers_path == ''
 441   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 442 endif
 443
 444 _xvmc = get_option('gallium-xvmc')
 445 if not system_has_kms_drm
 446   if _xvmc == 'true'
 447     error('XVMC state tracker can only be build on unix-like OSes.')
 448   else
 449     _xvmc = 'false'
 450   endif
 451 elif not with_platform_x11
 452   if _xvmc == 'true'
 453     error('XVMC state tracker requires X11 support.')
 454   else
 455     _xvmc = 'false'
 456   endif
 457 elif not (with_gallium_r600 or with_gallium_nouveau)
 458   if _xvmc == 'true'
 459     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 460   else
 461     _xvmc = 'false'
 462   endif
 463 elif _xvmc == 'auto'
 464   _xvmc = 'true'
 465 endif
 466 with_gallium_xvmc = _xvmc == 'true'
 467 dep_xvmc = null_dep
 468 if with_gallium_xvmc
 469   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 470 endif
 471
 472 xvmc_drivers_path = get_option('xvmc-libs-path')
 473 if xvmc_drivers_path == ''
 474   xvmc_drivers_path = get_option('libdir')
 475 endif
 476
 477 _omx = get_option('gallium-omx')
 478 if not system_has_kms_drm
 479   if ['auto', 'disabled'].contains(_omx)
 480     _omx = 'disabled'
 481   else
 482     error('OMX state tracker can only be built on unix-like OSes.')
 483   endif
 484 elif not (with_platform_x11 or with_platform_drm)
 485   if ['auto', 'disabled'].contains(_omx)
 486     _omx = 'disabled'
 487   else
 488     error('OMX state tracker requires X11 or drm platform support.')
 489   endif
 490 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 491   if ['auto', 'disabled'].contains(_omx)
 492     _omx = 'disabled'
 493   else
 494     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 495   endif
 496 endif
 497 with_gallium_omx = _omx
 498 dep_omx = null_dep
 499 dep_omx_other = []
 500 if ['auto', 'bellagio'].contains(_omx)
 501   dep_omx = dependency(
 502     'libomxil-bellagio', required : _omx == 'bellagio'
 503   )
 504   if dep_omx.found()
 505     with_gallium_omx = 'bellagio'
 506   endif
 507 endif
 508 if ['auto', 'tizonia'].contains(_omx)
 509   if with_dri and with_egl
 510     dep_omx = dependency(
 511       'libtizonia', version : '>= 0.10.0',
 512       required : _omx == 'tizonia',
 513     )
 514     dep_omx_other = [
 515       dependency('libtizplatform', required : _omx == 'tizonia'),
 516       dependency('tizilheaders', required : _omx == 'tizonia'),
 517     ]
 518     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 519       with_gallium_omx = 'tizonia'
 520     endif
 521   elif _omx == 'tizonia'
 522     error('OMX-Tizonia state tracker requires dri and egl')
 523   endif
 524 endif
 525 if _omx == 'auto'
 526   with_gallium_omx = 'disabled'
 527 else
 528   with_gallium_omx = _omx
 529 endif
 530
 531 pre_args += [
 532   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 533   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 534 ]
 535
 536
 537 omx_drivers_path = get_option('omx-libs-path')
 538
 539 if with_gallium_omx != 'disabled'
 540   # Figure out where to put the omx driver.
 541   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 542   # argument to meson's get_pkgconfig_variable method.
 543   if omx_drivers_path == ''
 544     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 545     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 546     if _omx_libdir == get_option('libdir')
 547       omx_drivers_path = _omx_drivers_dir
 548     else
 549       _omx_base_dir = []
 550       # This will fail on windows. Does OMX run on windows?
 551       _omx_libdir = _omx_libdir.split('/')
 552       _omx_drivers_dir = _omx_drivers_dir.split('/')
 553       foreach o : _omx_drivers_dir
 554         if not _omx_libdir.contains(o)
 555           _omx_base_dir += o
 556         endif
 557       endforeach
 558       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 559     endif
 560   endif
 561 endif
 562
 563 _va = get_option('gallium-va')
 564 if not system_has_kms_drm
 565   if _va == 'true'
 566     error('VA state tracker can only be built on unix-like OSes.')
 567   else
 568     _va = 'false'
 569   endif
 570 elif not (with_platform_x11 or with_platform_drm)
 571   if _va == 'true'
 572     error('VA state tracker requires X11 or drm or wayland platform support.')
 573   else
 574     _va = 'false'
 575   endif
 576 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 577   if _va == 'true'
 578     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 579   else
 580     _va = 'false'
 581   endif
 582 elif _va == 'auto'
 583   _va = 'true'
 584 endif
 585 with_gallium_va = _va == 'true'
 586 dep_va = null_dep
 587 if with_gallium_va
 588   dep_va = dependency('libva', version : '>= 0.39.0')
 589   dep_va_headers = declare_dependency(
 590     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 591   )
 592 endif
 593
 594 va_drivers_path = get_option('va-libs-path')
 595 if va_drivers_path == ''
 596   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 597 endif
 598
 599 _xa = get_option('gallium-xa')
 600 if not system_has_kms_drm
 601   if _xa == 'true'
 602     error('XA state tracker can only be built on unix-like OSes.')
 603   else
 604     _xa = 'false'
 605   endif
 606 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 607           or with_gallium_svga)
 608   if _xa == 'true'
 609     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 610   else
 611     _xa = 'false'
 612   endif
 613 endif
 614 with_gallium_xa = _xa != 'false'
 615
 616 d3d_drivers_path = get_option('d3d-drivers-path')
 617 if d3d_drivers_path == ''
 618   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 619 endif
 620
 621 with_gallium_st_nine =  get_option('gallium-nine')
 622 if with_gallium_st_nine
 623   if not with_gallium_softpipe
 624     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 625   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 626             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 627     error('The nine state tracker requires at least on non-swrast gallium driver.')
 628   endif
 629   if not with_dri3
 630     error('Using nine with wine requires dri3')
 631   endif
 632 endif
 633
 634 _opencl = get_option('gallium-opencl')
 635 if _opencl != 'disabled'
 636   if not with_gallium
 637     error('OpenCL Clover implementation requires at least one gallium driver.')
 638   endif
 639
 640   # TODO: alitvec?
 641   dep_clc = dependency('libclc')
 642   with_gallium_opencl = true
 643   with_opencl_icd = _opencl == 'icd'
 644 else
 645   dep_clc = null_dep
 646   with_gallium_opencl = false
 647   with_gallium_icd = false
 648 endif
 649
 650 gl_pkgconfig_c_flags = []
 651 if with_platform_x11
 652   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 653     pre_args += '-DHAVE_X11_PLATFORM'
 654   endif
 655   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 656     pre_args += '-DUSE_XSHM'
 657   else
 658     pre_args += '-DGLX_INDIRECT_RENDERING'
 659     if with_glx_direct
 660       pre_args += '-DGLX_DIRECT_RENDERING'
 661     endif
 662     if with_dri_platform == 'drm'
 663       pre_args += '-DGLX_USE_DRM'
 664     elif with_dri_platform == 'apple'
 665       pre_args += '-DGLX_USE_APPLEGL'
 666     elif with_dri_platform == 'windows'
 667       pre_args += '-DGLX_USE_WINDOWSGL'
 668     endif
 669   endif
 670 else
 671   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 672   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 673 endif
 674 if with_platform_drm
 675   if with_egl and not with_gbm
 676     error('EGL drm platform requires gbm')
 677   endif
 678   pre_args += '-DHAVE_DRM_PLATFORM'
 679 endif
 680 if with_platform_surfaceless
 681   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 682 endif
 683 if with_platform_android
 684   dep_android = [
 685     dependency('cutils'),
 686     dependency('hardware'),
 687     dependency('sync'),
 688   ]
 689   pre_args += '-DHAVE_ANDROID_PLATFORM'
 690 endif
 691 if with_platform_haiku
 692   pre_args += '-DHAVE_HAIKU_PLATFORM'
 693 endif
 694
 695 prog_python2 = find_program('python2')
 696 has_mako = run_command(prog_python2, '-c', 'import mako')
 697 if has_mako.returncode() != 0
 698   error('Python (2.x) mako module required to build mesa.')
 699 endif
 700
 701 cc = meson.get_compiler('c')
 702 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 703   error('When using GCC, version 4.4.6 or later is required.')
 704 endif
 705
 706 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 707 if get_option('buildtype') == 'debug'
 708   pre_args += '-DDEBUG'
 709 endif
 710
 711 if get_option('shader-cache')
 712   pre_args += '-DENABLE_SHADER_CACHE'
 713 elif with_amd_vk
 714   error('Radv requires shader cache support')
 715 endif
 716
 717 # Check for GCC style builtins
 718 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 719              'ffsll', 'popcount', 'popcountll', 'unreachable']
 720   if cc.has_function(b)
 721     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 722   endif
 723 endforeach
 724
 725 # check for GCC __attribute__
 726 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 727              'warn_unused_result', 'weak',]
 728   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 729                  name : '__attribute__((@0@))'.format(a))
 730     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 731   endif
 732 endforeach
 733 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 734                name : '__attribute__((format(...)))')
 735   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 736 endif
 737 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 738                name : '__attribute__((packed))')
 739   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 740 endif
 741 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 742                name : '__attribute__((returns_nonnull))')
 743   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 744 endif
 745 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 746                   int foo_hid(void) __attribute__((visibility("hidden")));
 747                   int foo_int(void) __attribute__((visibility("internal")));
 748                   int foo_pro(void) __attribute__((visibility("protected")));''',
 749                name : '__attribute__((visibility(...)))')
 750   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 751 endif
 752 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 753                name : '__attribute__((alias(...)))')
 754   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 755 endif
 756 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 757                name : '__attribute__((__noreturn__))')
 758   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 759 endif
 760
 761 # TODO: this is very incomplete
 762 if ['linux', 'cygwin'].contains(host_machine.system())
 763   pre_args += '-D_GNU_SOURCE'
 764 endif
 765
 766 # Check for generic C arguments
 767 c_args = []
 768 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 769              '-Werror=missing-prototypes', '-fno-math-errno',
 770              '-fno-trapping-math', '-Qunused-arguments']
 771   if cc.has_argument(a)
 772     c_args += a
 773   endif
 774 endforeach
 775 c_vis_args = []
 776 if cc.has_argument('-fvisibility=hidden')
 777   c_vis_args += '-fvisibility=hidden'
 778 endif
 779
 780 # Check for generic C++ arguments
 781 cpp = meson.get_compiler('cpp')
 782 cpp_args = []
 783 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 784              '-Qunused-arguments']
 785   if cpp.has_argument(a)
 786     cpp_args += a
 787   endif
 788 endforeach
 789
 790 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 791 # option is not supported. Hence, check for -Wfoo instead.
 792 if cpp.has_argument('-Wnon-virtual-dtor')
 793   cpp_args += '-Wno-non-virtual-dtor'
 794 endif
 795
 796 no_override_init_args = []
 797 foreach a : ['override-init', 'initializer-overrides']
 798   if cc.has_argument('-W' + a)
 799     no_override_init_args += '-Wno-' + a
 800   endif
 801 endforeach
 802
 803 cpp_vis_args = []
 804 if cpp.has_argument('-fvisibility=hidden')
 805   cpp_vis_args += '-fvisibility=hidden'
 806 endif
 807
 808 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 809 # in parts of the mesa code base that need to compile with old versions of
 810 # MSVC, mainly common code
 811 c_msvc_compat_args = []
 812 cpp_msvc_compat_args = []
 813 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 814   if cc.has_argument(a)
 815     c_msvc_compat_args += a
 816   endif
 817   if cpp.has_argument(a)
 818     cpp_msvc_compat_args += a
 819   endif
 820 endforeach
 821
 822 if host_machine.cpu_family().startswith('x86')
 823   pre_args += '-DUSE_SSE41'
 824   with_sse41 = true
 825   sse41_args = ['-msse4.1']
 826
 827   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 828   # that's not guaranteed
 829   if host_machine.cpu_family() == 'x86'
 830     sse41_args += '-mstackrealign'
 831   endif
 832 else
 833   with_sse41 = false
 834   sse41_args = []
 835 endif
 836
 837 # Check for GCC style atomics
 838 dep_atomic = null_dep
 839
 840 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 841                name : 'GCC atomic builtins')
 842   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 843
 844   # Not all atomic calls can be turned into lock-free instructions, in which
 845   # GCC will make calls into the libatomic library. Check whether we need to
 846   # link with -latomic.
 847   #
 848   # This can happen for 64-bit atomic operations on 32-bit architectures such
 849   # as ARM.
 850   if not cc.links('''#include <stdint.h>
 851                      int main() {
 852                        struct {
 853                          uint64_t *v;
 854                        } x;
 855                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE);
 856                      }''',
 857                   name : 'GCC atomic builtins required -latomic')
 858     dep_atomic = cc.find_library('atomic')
 859   endif
 860 endif
 861 if not cc.links('''#include <stdint.h>
 862                    uint64_t v;
 863                    int main() {
 864                      return __sync_add_and_fetch(&v, (uint64_t)1);
 865                    }''',
 866                 name : 'GCC 64bit atomics')
 867   pre_args += '-DMISSING_64_BIT_ATOMICS'
 868 endif
 869
 870 # TODO: endian
 871 # TODO: powr8
 872 # TODO: shared/static? Is this even worth doing?
 873
 874 # Building x86 assembly code requires running x86 binaries. It is possible for
 875 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 876 # TODO: it should be possible to use an exe_wrapper to run the binary during
 877 # the build.
 878 if meson.is_cross_build()
 879   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 880           and build_machine.system() == host_machine.system())
 881     message('Cross compiling to x86 from non-x86, disabling asm')
 882     with_asm = false
 883   endif
 884 endif
 885
 886 with_asm_arch = ''
 887 if with_asm
 888   # TODO: SPARC and PPC
 889   if host_machine.cpu_family() == 'x86'
 890     if system_has_kms_drm
 891       with_asm_arch = 'x86'
 892       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 893                    '-DUSE_SSE_ASM']
 894     endif
 895   elif host_machine.cpu_family() == 'x86_64'
 896     if system_has_kms_drm
 897       with_asm_arch = 'x86_64'
 898       pre_args += ['-DUSE_X86_64_ASM']
 899     endif
 900   elif host_machine.cpu_family() == 'arm'
 901     if system_has_kms_drm
 902       with_asm_arch = 'arm'
 903       pre_args += ['-DUSE_ARM_ASM']
 904     endif
 905   elif host_machine.cpu_family() == 'aarch64'
 906     if system_has_kms_drm
 907       with_asm_arch = 'aarch64'
 908       pre_args += ['-DUSE_AARCH64_ASM']
 909     endif
 910   endif
 911 endif
 912
 913 # Check for standard headers and functions
 914 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 915   pre_args += '-DMAJOR_IN_SYSMACROS'
 916 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 917   pre_args += '-DMAJOR_IN_MKDEV'
 918 endif
 919
 920 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
 921   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 922     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 923   endif
 924 endforeach
 925
 926 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 927   if cc.has_function(f)
 928     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 929   endif
 930 endforeach
 931
 932 # strtod locale support
 933 if cc.links('''
 934     #define _GNU_SOURCE
 935     #include <stdlib.h>
 936     #include <locale.h>
 937     #ifdef HAVE_XLOCALE_H
 938     #include <xlocale.h>
 939     #endif
 940     int main() {
 941       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 942       const char *s = "1.0";
 943       char *end;
 944       double d = strtod_l(s, end, loc);
 945       float f = strtof_l(s, end, loc);
 946       freelocale(loc);
 947       return 0;
 948     }''',
 949     extra_args : pre_args,
 950     name : 'strtod has locale support')
 951   pre_args += '-DHAVE_STRTOD_L'
 952 endif
 953
 954 # Check for some linker flags
 955 ld_args_bsymbolic = []
 956 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 957   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 958 endif
 959 ld_args_gc_sections = []
 960 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 961             args : '-Wl,--gc-sections', name : 'gc-sections')
 962   ld_args_gc_sections += '-Wl,--gc-sections'
 963 endif
 964 with_ld_version_script = false
 965 if cc.links('int main() { return 0; }',
 966             args : '-Wl,--version-script=@0@'.format(
 967               join_paths(meson.source_root(), 'build-support/conftest.map')),
 968             name : 'version-script')
 969   with_ld_version_script = true
 970 endif
 971 with_ld_dynamic_list = false
 972 if cc.links('int main() { return 0; }',
 973             args : '-Wl,--dynamic-list=@0@'.format(
 974               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 975             name : 'dynamic-list')
 976   with_ld_dynamic_list = true
 977 endif
 978 ld_args_build_id = []
 979 if build_machine.system() != 'darwin'
 980    ld_args_build_id += '-Wl,--build-id=sha1'
 981 endif
 982
 983 # check for dl support
 984 if cc.has_function('dlopen')
 985   dep_dl = null_dep
 986 else
 987   dep_dl = cc.find_library('dl')
 988 endif
 989 if cc.has_function('dladdr', dependencies : dep_dl)
 990   # This is really only required for megadrivers
 991   pre_args += '-DHAVE_DLADDR'
 992 endif
 993
 994 if cc.has_function('dl_iterate_phdr')
 995   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 996 elif with_intel_vk
 997   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 998 elif with_dri_i965 and get_option('shader-cache')
 999   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1000 endif
1001
1002 # Determine whether or not the rt library is needed for time functions
1003 if cc.has_function('clock_gettime')
1004   dep_clock = null_dep
1005 else
1006   dep_clock = cc.find_library('rt')
1007 endif
1008
1009 # TODO: some of these may be conditional
1010 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1011 pre_args += '-DHAVE_ZLIB'
1012 dep_thread = dependency('threads')
1013 if dep_thread.found() and host_machine.system() != 'windows'
1014   pre_args += '-DHAVE_PTHREAD'
1015 endif
1016 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1017   dep_elf = dependency('libelf', required : false)
1018   if not dep_elf.found()
1019     dep_elf = cc.find_library('elf')
1020   endif
1021 else
1022   dep_elf = null_dep
1023 endif
1024 dep_expat = dependency('expat')
1025 # this only exists on linux so either this is linux and it will be found, or
1026 # its not linux and and wont
1027 dep_m = cc.find_library('m', required : false)
1028
1029 # Check for libdrm. various drivers have different libdrm version requirements,
1030 # but we always want to use the same version for all libdrm modules. That means
1031 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1032 # bar are both on use 2.4.3 for both of them
1033 dep_libdrm_amdgpu = null_dep
1034 dep_libdrm_radeon = null_dep
1035 dep_libdrm_nouveau = null_dep
1036 dep_libdrm_etnaviv = null_dep
1037 dep_libdrm_freedreno = null_dep
1038 dep_libdrm_intel = null_dep
1039
1040 _drm_amdgpu_ver = '2.4.91'
1041 _drm_radeon_ver = '2.4.71'
1042 _drm_nouveau_ver = '2.4.66'
1043 _drm_etnaviv_ver = '2.4.89'
1044 _drm_freedreno_ver = '2.4.92'
1045 _drm_intel_ver = '2.4.75'
1046 _drm_ver = '2.4.75'
1047
1048 _libdrm_checks = [
1049   ['intel', with_dri_i915 or with_gallium_i915],
1050   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1051   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1052               with_gallium_r300 or with_gallium_r600)],
1053   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1054   ['etnaviv', with_gallium_etnaviv],
1055   ['freedreno', with_gallium_freedreno],
1056 ]
1057
1058 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1059 # library.
1060 if with_gallium_vc4
1061   _drm_ver = '2.4.89'
1062 endif
1063
1064 # Loop over the enables versions and get the highest libdrm requirement for all
1065 # active drivers.
1066 foreach d : _libdrm_checks
1067   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1068   if d[1] and ver.version_compare('>' + _drm_ver)
1069     _drm_ver = ver
1070   endif
1071 endforeach
1072
1073 # Then get each libdrm module
1074 foreach d : _libdrm_checks
1075   if d[1]
1076     set_variable(
1077       'dep_libdrm_' + d[0],
1078       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1079     )
1080   endif
1081 endforeach
1082
1083 with_gallium_drisw_kms = false
1084 dep_libdrm = dependency(
1085   'libdrm', version : '>=' + _drm_ver,
1086   required : with_dri2 or with_dri3
1087 )
1088 if dep_libdrm.found()
1089   pre_args += '-DHAVE_LIBDRM'
1090   if with_dri_platform == 'drm' and with_dri
1091     with_gallium_drisw_kms = true
1092   endif
1093 endif
1094
1095 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1096 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1097   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1098   if with_gallium_r600
1099     llvm_modules += 'asmparser'
1100   endif
1101 endif
1102 if with_gallium_opencl
1103   llvm_modules += [
1104     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1105     'lto', 'option', 'objcarcopts', 'profiledata',
1106   ]
1107   # TODO: optional modules
1108 endif
1109
1110 if with_amd_vk or with_gallium_radeonsi
1111   _llvm_version = '>= 5.0.0'
1112 elif with_gallium_swr
1113   _llvm_version = '>= 4.0.0'
1114 elif with_gallium_opencl or with_gallium_r600
1115   _llvm_version = '>= 3.9.0'
1116 else
1117   _llvm_version = '>= 3.3.0'
1118 endif
1119
1120 _llvm = get_option('llvm')
1121 if _llvm == 'auto'
1122   dep_llvm = dependency(
1123     'llvm', version : _llvm_version, modules : llvm_modules,
1124     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1125   )
1126   with_llvm = dep_llvm.found()
1127 elif _llvm == 'true'
1128   dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1129   with_llvm = true
1130 else
1131   dep_llvm = null_dep
1132   with_llvm = false
1133 endif
1134 if with_llvm
1135   _llvm_version = dep_llvm.version().split('.')
1136   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1137   # that for our version checks.
1138   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1139   # strippped as of 0.44, but we support older meson versions.
1140
1141   # 3 digits versions in LLVM only started from 3.4.1 on
1142   if dep_llvm.version().version_compare('>= 3.4.1')
1143     _llvm_patch = _llvm_version[2]
1144   else
1145     _llvm_patch = '0'
1146   endif
1147
1148   if _llvm_patch.endswith('svn')
1149     _llvm_patch = _llvm_patch.split('s')[0]
1150   elif _llvm_patch.contains('git')
1151     _llvm_patch = _llvm_patch.split('g')[0]
1152   endif
1153   pre_args += [
1154     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1155     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1156   ]
1157
1158   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1159   # programs, so we need to build all C++ code in mesa without rtti as well to
1160   # ensure that linking works.
1161   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1162     cpp_args += '-fno-rtti'
1163   endif
1164 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1165   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1166 endif
1167
1168 dep_glvnd = null_dep
1169 if with_glvnd
1170   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1171   pre_args += '-DUSE_LIBGLVND=1'
1172 endif
1173
1174 if with_valgrind != 'false'
1175   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1176   if dep_valgrind.found()
1177     pre_args += '-DHAVE_VALGRIND'
1178   endif
1179 else
1180   dep_valgrind = null_dep
1181 endif
1182
1183 # pthread stubs. Lets not and say we didn't
1184
1185 prog_bison = find_program('bison', required : with_any_opengl)
1186 prog_flex = find_program('flex', required : with_any_opengl)
1187
1188 dep_selinux = null_dep
1189 if get_option('selinux')
1190   dep_selinux = dependency('libselinux')
1191   pre_args += '-DMESA_SELINUX'
1192 endif
1193
1194 # TODO: llvm-prefix and llvm-shared-libs
1195
1196 if with_libunwind != 'false'
1197   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1198   if dep_unwind.found()
1199     pre_args += '-DHAVE_LIBUNWIND'
1200   endif
1201 else
1202   dep_unwind = null_dep
1203 endif
1204
1205 # TODO: gallium-hud
1206
1207 if with_osmesa != 'none'
1208   if with_osmesa == 'classic' and not with_dri_swrast
1209     error('OSMesa classic requires dri (classic) swrast.')
1210   endif
1211   if with_osmesa == 'gallium' and not with_gallium_softpipe
1212     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1213   endif
1214   osmesa_lib_name = 'OSMesa'
1215   osmesa_bits = get_option('osmesa-bits')
1216   if osmesa_bits != '8'
1217     if with_dri or with_glx != 'disabled'
1218       error('OSMesa bits must be 8 if building glx or dir based drivers')
1219     endif
1220     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1221     pre_args += [
1222       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1223     ]
1224   endif
1225 endif
1226
1227 # TODO: symbol mangling
1228
1229 if with_platform_wayland
1230   prog_wl_scanner = find_program('wayland-scanner')
1231   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1232   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1233   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1234   wayland_dmabuf_xml = join_paths(
1235     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1236     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1237   )
1238   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1239 else
1240   prog_wl_scanner = []
1241   dep_wl_protocols = null_dep
1242   dep_wayland_client = null_dep
1243   dep_wayland_server = null_dep
1244   wayland_dmabuf_xml = ''
1245 endif
1246
1247 dep_x11 = null_dep
1248 dep_xext = null_dep
1249 dep_xdamage = null_dep
1250 dep_xfixes = null_dep
1251 dep_x11_xcb = null_dep
1252 dep_xcb = null_dep
1253 dep_xcb_glx = null_dep
1254 dep_xcb_dri2 = null_dep
1255 dep_xcb_dri3 = null_dep
1256 dep_dri2proto = null_dep
1257 dep_glproto = null_dep
1258 dep_xxf86vm = null_dep
1259 dep_xcb_dri3 = null_dep
1260 dep_xcb_present = null_dep
1261 dep_xcb_sync = null_dep
1262 dep_xcb_xfixes = null_dep
1263 dep_xshmfence = null_dep
1264 if with_platform_x11
1265   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1266     dep_x11 = dependency('x11')
1267     dep_xext = dependency('xext')
1268     dep_xcb = dependency('xcb')
1269   elif with_glx == 'dri'
1270     dep_x11 = dependency('x11')
1271     dep_xext = dependency('xext')
1272     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1273     dep_xfixes = dependency('xfixes')
1274     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1275     dep_xxf86vm = dependency('xxf86vm', required : false)
1276   endif
1277   if (with_any_vk or with_glx == 'dri' or
1278        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1279         with_gallium_omx != 'disabled'))
1280     dep_xcb = dependency('xcb')
1281     dep_x11_xcb = dependency('x11-xcb')
1282   endif
1283   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1284     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1285
1286     if with_dri3
1287       pre_args += '-DHAVE_DRI3'
1288       dep_xcb_dri3 = dependency('xcb-dri3')
1289       dep_xcb_present = dependency('xcb-present')
1290       # until xcb-dri3 has been around long enough to make a hard-dependency:
1291       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1292           dep_xcb_present.version().version_compare('>= 1.13'))
1293         pre_args += '-DHAVE_DRI3_MODIFIERS'
1294       endif
1295       dep_xcb_sync = dependency('xcb-sync')
1296       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1297     endif
1298   endif
1299   if with_glx == 'dri'
1300     if with_dri_platform == 'drm'
1301       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1302     endif
1303     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1304   endif
1305   if (with_egl or (
1306       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1307       with_gallium_omx != 'disabled'))
1308     dep_xcb_xfixes = dependency('xcb-xfixes')
1309   endif
1310 endif
1311
1312 if get_option('gallium-extra-hud')
1313   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1314 endif
1315
1316 _sensors = get_option('lmsensors')
1317 if _sensors != 'false'
1318   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1319   if dep_lmsensors.found()
1320     pre_args += '-DHAVE_LIBSENSORS=1'
1321   endif
1322 else
1323   dep_lmsensors = null_dep
1324 endif
1325
1326 # TODO: various libdirs
1327
1328 # TODO: gallium driver dirs
1329
1330 foreach a : pre_args
1331   add_project_arguments(a, language : ['c', 'cpp'])
1332 endforeach
1333 foreach a : c_args
1334   add_project_arguments(a, language : ['c'])
1335 endforeach
1336 foreach a : cpp_args
1337   add_project_arguments(a, language : ['cpp'])
1338 endforeach
1339
1340 inc_include = include_directories('include')
1341
1342 gl_priv_reqs = [
1343   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1344   'xcb-glx >= 1.8.1']
1345 if dep_libdrm.found()
1346   gl_priv_reqs += 'libdrm >= 2.4.75'
1347 endif
1348 if dep_xxf86vm.found()
1349   gl_priv_reqs += 'xxf86vm'
1350 endif
1351 if with_dri_platform == 'drm'
1352   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1353 endif
1354
1355 gl_priv_libs = []
1356 if dep_thread.found()
1357   gl_priv_libs += ['-lpthread', '-pthread']
1358 endif
1359 if dep_m.found()
1360   gl_priv_libs += '-lm'
1361 endif
1362 if dep_dl.found()
1363   gl_priv_libs += '-ldl'
1364 endif
1365
1366 pkg = import('pkgconfig')
1367
1368 env_test = environment()
1369 env_test.set('NM', find_program('nm').path())
1370
1371 subdir('include')
1372 subdir('bin')
1373 subdir('src')