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' and not with_dri
 361     error('dri based GLX requires at least one DRI driver')
 362   endif
 363 endif
 364
 365 with_glvnd = get_option('glvnd')
 366 if with_glvnd
 367   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 368     error('Cannot build glvnd support for GLX that is not DRI based.')
 369   elif with_glx == 'disabled' and not with_egl
 370     error('glvnd requires DRI based GLX and/or EGL')
 371   endif
 372 endif
 373
 374 # TODO: toggle for this
 375 with_glx_direct = true
 376
 377 if with_vulkan_icd_dir == ''
 378   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 379 endif
 380
 381 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 382 _dri3 = get_option('dri3')
 383 if _dri3 == 'auto'
 384   with_dri3 = system_has_kms_drm and with_dri2
 385 else
 386   with_dri3 = _dri3 == 'true'
 387 endif
 388
 389 if with_any_vk and (with_platform_x11 and not with_dri3)
 390   error('Vulkan drivers require dri3 for X11 support')
 391 endif
 392 if with_dri or with_gallium
 393   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 394     error('building dri or gallium drivers require at least one window system')
 395   endif
 396 endif
 397
 398 prog_pkgconfig = find_program('pkg-config')
 399
 400 _vdpau = get_option('gallium-vdpau')
 401 if not system_has_kms_drm
 402   if _vdpau == 'true'
 403     error('VDPAU state tracker can only be build on unix-like OSes.')
 404   else
 405     _vdpau = 'false'
 406   endif
 407 elif not with_platform_x11
 408   if _vdpau == 'true'
 409     error('VDPAU state tracker requires X11 support.')
 410   else
 411     _vdpau = 'false'
 412   endif
 413 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 414           with_gallium_nouveau)
 415   if _vdpau == 'true'
 416     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 417   else
 418     _vdpau = 'false'
 419   endif
 420 elif _vdpau == 'auto'
 421   _vdpau = 'true'
 422 endif
 423 with_gallium_vdpau = _vdpau == 'true'
 424 dep_vdpau = null_dep
 425 if with_gallium_vdpau
 426   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 427   dep_vdpau = declare_dependency(
 428     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 429   )
 430 endif
 431
 432 if with_gallium_vdpau
 433   pre_args += '-DHAVE_ST_VDPAU'
 434 endif
 435 vdpau_drivers_path = get_option('vdpau-libs-path')
 436 if vdpau_drivers_path == ''
 437   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 438 endif
 439
 440 _xvmc = get_option('gallium-xvmc')
 441 if not system_has_kms_drm
 442   if _xvmc == 'true'
 443     error('XVMC state tracker can only be build on unix-like OSes.')
 444   else
 445     _xvmc = 'false'
 446   endif
 447 elif not with_platform_x11
 448   if _xvmc == 'true'
 449     error('XVMC state tracker requires X11 support.')
 450   else
 451     _xvmc = 'false'
 452   endif
 453 elif not (with_gallium_r600 or with_gallium_nouveau)
 454   if _xvmc == 'true'
 455     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 456   else
 457     _xvmc = 'false'
 458   endif
 459 elif _xvmc == 'auto'
 460   _xvmc = 'true'
 461 endif
 462 with_gallium_xvmc = _xvmc == 'true'
 463 dep_xvmc = null_dep
 464 if with_gallium_xvmc
 465   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 466 endif
 467
 468 xvmc_drivers_path = get_option('xvmc-libs-path')
 469 if xvmc_drivers_path == ''
 470   xvmc_drivers_path = get_option('libdir')
 471 endif
 472
 473 _omx = get_option('gallium-omx')
 474 if not system_has_kms_drm
 475   if ['auto', 'disabled'].contains(_omx)
 476     _omx = 'disabled'
 477   else
 478     error('OMX state tracker can only be built on unix-like OSes.')
 479   endif
 480 elif not (with_platform_x11 or with_platform_drm)
 481   if ['auto', 'disabled'].contains(_omx)
 482     _omx = 'disabled'
 483   else
 484     error('OMX state tracker requires X11 or drm platform support.')
 485   endif
 486 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 487   if ['auto', 'disabled'].contains(_omx)
 488     _omx = 'disabled'
 489   else
 490     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 491   endif
 492 endif
 493 with_gallium_omx = _omx
 494 dep_omx = null_dep
 495 dep_omx_other = []
 496 if ['auto', 'bellagio'].contains(_omx)
 497   dep_omx = dependency(
 498     'libomxil-bellagio', required : _omx == 'bellagio'
 499   )
 500   if dep_omx.found()
 501     with_gallium_omx = 'bellagio'
 502   endif
 503 endif
 504 if ['auto', 'tizonia'].contains(_omx)
 505   if with_dri and with_egl
 506     dep_omx = dependency(
 507       'libtizonia', version : '>= 0.10.0',
 508       required : _omx == 'tizonia',
 509     )
 510     dep_omx_other = [
 511       dependency('libtizplatform', required : _omx == 'tizonia'),
 512       dependency('tizilheaders', required : _omx == 'tizonia'),
 513     ]
 514     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 515       with_gallium_omx = 'tizonia'
 516     endif
 517   elif _omx == 'tizonia'
 518     error('OMX-Tizonia state tracker requires dri and egl')
 519   endif
 520 endif
 521 if _omx == 'auto'
 522   with_gallium_omx = 'disabled'
 523 else
 524   with_gallium_omx = _omx
 525 endif
 526
 527 pre_args += [
 528   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 529   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 530 ]
 531
 532
 533 omx_drivers_path = get_option('omx-libs-path')
 534
 535 if with_gallium_omx != 'disabled'
 536   # Figure out where to put the omx driver.
 537   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 538   # argument to meson's get_pkgconfig_variable method.
 539   if omx_drivers_path == ''
 540     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 541     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 542     if _omx_libdir == get_option('libdir')
 543       omx_drivers_path = _omx_drivers_dir
 544     else
 545       _omx_base_dir = []
 546       # This will fail on windows. Does OMX run on windows?
 547       _omx_libdir = _omx_libdir.split('/')
 548       _omx_drivers_dir = _omx_drivers_dir.split('/')
 549       foreach o : _omx_drivers_dir
 550         if not _omx_libdir.contains(o)
 551           _omx_base_dir += o
 552         endif
 553       endforeach
 554       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 555     endif
 556   endif
 557 endif
 558
 559 _va = get_option('gallium-va')
 560 if not system_has_kms_drm
 561   if _va == 'true'
 562     error('VA state tracker can only be built on unix-like OSes.')
 563   else
 564     _va = 'false'
 565   endif
 566 elif not (with_platform_x11 or with_platform_drm)
 567   if _va == 'true'
 568     error('VA state tracker requires X11 or drm or wayland platform support.')
 569   else
 570     _va = 'false'
 571   endif
 572 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 573   if _va == 'true'
 574     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 575   else
 576     _va = 'false'
 577   endif
 578 elif _va == 'auto'
 579   _va = 'true'
 580 endif
 581 with_gallium_va = _va == 'true'
 582 dep_va = null_dep
 583 if with_gallium_va
 584   dep_va = dependency('libva', version : '>= 0.39.0')
 585   dep_va_headers = declare_dependency(
 586     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 587   )
 588 endif
 589
 590 va_drivers_path = get_option('va-libs-path')
 591 if va_drivers_path == ''
 592   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 593 endif
 594
 595 _xa = get_option('gallium-xa')
 596 if not system_has_kms_drm
 597   if _xa == 'true'
 598     error('XA state tracker can only be built on unix-like OSes.')
 599   else
 600     _xa = 'false'
 601   endif
 602 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 603           or with_gallium_svga)
 604   if _xa == 'true'
 605     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 606   else
 607     _xa = 'false'
 608   endif
 609 endif
 610 with_gallium_xa = _xa != 'false'
 611
 612 d3d_drivers_path = get_option('d3d-drivers-path')
 613 if d3d_drivers_path == ''
 614   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 615 endif
 616
 617 with_gallium_st_nine =  get_option('gallium-nine')
 618 if with_gallium_st_nine
 619   if not with_gallium_softpipe
 620     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 621   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 622             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 623     error('The nine state tracker requires at least on non-swrast gallium driver.')
 624   endif
 625   if not with_dri3
 626     error('Using nine with wine requires dri3')
 627   endif
 628 endif
 629
 630 _opencl = get_option('gallium-opencl')
 631 if _opencl != 'disabled'
 632   if not with_gallium
 633     error('OpenCL Clover implementation requires at least one gallium driver.')
 634   endif
 635
 636   # TODO: alitvec?
 637   dep_clc = dependency('libclc')
 638   with_gallium_opencl = true
 639   with_opencl_icd = _opencl == 'icd'
 640 else
 641   dep_clc = null_dep
 642   with_gallium_opencl = false
 643   with_gallium_icd = false
 644 endif
 645
 646 gl_pkgconfig_c_flags = []
 647 if with_platform_x11
 648   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 649     pre_args += '-DHAVE_X11_PLATFORM'
 650   endif
 651   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 652     pre_args += '-DUSE_XSHM'
 653   else
 654     pre_args += '-DGLX_INDIRECT_RENDERING'
 655     if with_glx_direct
 656       pre_args += '-DGLX_DIRECT_RENDERING'
 657     endif
 658     if with_dri_platform == 'drm'
 659       pre_args += '-DGLX_USE_DRM'
 660     elif with_dri_platform == 'apple'
 661       pre_args += '-DGLX_USE_APPLEGL'
 662     elif with_dri_platform == 'windows'
 663       pre_args += '-DGLX_USE_WINDOWSGL'
 664     endif
 665   endif
 666 else
 667   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 668   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 669 endif
 670 if with_platform_drm
 671   if with_egl and not with_gbm
 672     error('EGL drm platform requires gbm')
 673   endif
 674   pre_args += '-DHAVE_DRM_PLATFORM'
 675 endif
 676 if with_platform_surfaceless
 677   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 678 endif
 679 if with_platform_android
 680   dep_android = [
 681     dependency('cutils'),
 682     dependency('hardware'),
 683     dependency('sync'),
 684   ]
 685   pre_args += '-DHAVE_ANDROID_PLATFORM'
 686 endif
 687 if with_platform_haiku
 688   pre_args += '-DHAVE_HAIKU_PLATFORM'
 689 endif
 690
 691 prog_python2 = find_program('python2')
 692 has_mako = run_command(prog_python2, '-c', 'import mako')
 693 if has_mako.returncode() != 0
 694   error('Python (2.x) mako module required to build mesa.')
 695 endif
 696
 697 cc = meson.get_compiler('c')
 698 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 699   error('When using GCC, version 4.4.6 or later is required.')
 700 endif
 701
 702 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 703 if get_option('buildtype') == 'debug'
 704   pre_args += '-DDEBUG'
 705 endif
 706
 707 if get_option('shader-cache')
 708   pre_args += '-DENABLE_SHADER_CACHE'
 709 elif with_amd_vk
 710   error('Radv requires shader cache support')
 711 endif
 712
 713 # Check for GCC style builtins
 714 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 715              'ffsll', 'popcount', 'popcountll', 'unreachable']
 716   if cc.has_function(b)
 717     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 718   endif
 719 endforeach
 720
 721 # check for GCC __attribute__
 722 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 723              'warn_unused_result', 'weak',]
 724   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 725                  name : '__attribute__((@0@))'.format(a))
 726     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 727   endif
 728 endforeach
 729 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 730                name : '__attribute__((format(...)))')
 731   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 732 endif
 733 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 734                name : '__attribute__((packed))')
 735   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 736 endif
 737 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 738                name : '__attribute__((returns_nonnull))')
 739   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 740 endif
 741 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 742                   int foo_hid(void) __attribute__((visibility("hidden")));
 743                   int foo_int(void) __attribute__((visibility("internal")));
 744                   int foo_pro(void) __attribute__((visibility("protected")));''',
 745                name : '__attribute__((visibility(...)))')
 746   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 747 endif
 748 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 749                name : '__attribute__((alias(...)))')
 750   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 751 endif
 752 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 753                name : '__attribute__((__noreturn__))')
 754   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 755 endif
 756
 757 # TODO: this is very incomplete
 758 if ['linux', 'cygwin'].contains(host_machine.system())
 759   pre_args += '-D_GNU_SOURCE'
 760 endif
 761
 762 # Check for generic C arguments
 763 c_args = []
 764 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 765              '-Werror=missing-prototypes', '-fno-math-errno',
 766              '-fno-trapping-math', '-Qunused-arguments']
 767   if cc.has_argument(a)
 768     c_args += a
 769   endif
 770 endforeach
 771 c_vis_args = []
 772 if cc.has_argument('-fvisibility=hidden')
 773   c_vis_args += '-fvisibility=hidden'
 774 endif
 775
 776 # Check for generic C++ arguments
 777 cpp = meson.get_compiler('cpp')
 778 cpp_args = []
 779 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 780              '-Qunused-arguments']
 781   if cpp.has_argument(a)
 782     cpp_args += a
 783   endif
 784 endforeach
 785
 786 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 787 # option is not supported. Hence, check for -Wfoo instead.
 788 if cpp.has_argument('-Wnon-virtual-dtor')
 789   cpp_args += '-Wno-non-virtual-dtor'
 790 endif
 791
 792 no_override_init_args = []
 793 foreach a : ['override-init', 'initializer-overrides']
 794   if cc.has_argument('-W' + a)
 795     no_override_init_args += '-Wno-' + a
 796   endif
 797 endforeach
 798
 799 cpp_vis_args = []
 800 if cpp.has_argument('-fvisibility=hidden')
 801   cpp_vis_args += '-fvisibility=hidden'
 802 endif
 803
 804 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 805 # in parts of the mesa code base that need to compile with old versions of
 806 # MSVC, mainly common code
 807 c_msvc_compat_args = []
 808 cpp_msvc_compat_args = []
 809 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 810   if cc.has_argument(a)
 811     c_msvc_compat_args += a
 812   endif
 813   if cpp.has_argument(a)
 814     cpp_msvc_compat_args += a
 815   endif
 816 endforeach
 817
 818 if host_machine.cpu_family().startswith('x86')
 819   pre_args += '-DUSE_SSE41'
 820   with_sse41 = true
 821   sse41_args = ['-msse4.1']
 822
 823   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 824   # that's not guaranteed
 825   if host_machine.cpu_family() == 'x86'
 826     sse41_args += '-mstackrealign'
 827   endif
 828 else
 829   with_sse41 = false
 830   sse41_args = []
 831 endif
 832
 833 # Check for GCC style atomics
 834 dep_atomic = null_dep
 835
 836 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 837                name : 'GCC atomic builtins')
 838   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 839
 840   # Not all atomic calls can be turned into lock-free instructions, in which
 841   # GCC will make calls into the libatomic library. Check whether we need to
 842   # link with -latomic.
 843   #
 844   # This can happen for 64-bit atomic operations on 32-bit architectures such
 845   # as ARM.
 846   if not cc.links('''#include <stdint.h>
 847                      int main() {
 848                        struct {
 849                          uint64_t *v;
 850                        } x;
 851                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE);
 852                      }''',
 853                   name : 'GCC atomic builtins required -latomic')
 854     dep_atomic = cc.find_library('atomic')
 855   endif
 856 endif
 857 if not cc.links('''#include <stdint.h>
 858                    uint64_t v;
 859                    int main() {
 860                      return __sync_add_and_fetch(&v, (uint64_t)1);
 861                    }''',
 862                 name : 'GCC 64bit atomics')
 863   pre_args += '-DMISSING_64_BIT_ATOMICS'
 864 endif
 865
 866 # TODO: endian
 867 # TODO: powr8
 868 # TODO: shared/static? Is this even worth doing?
 869
 870 # Building x86 assembly code requires running x86 binaries. It is possible for
 871 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 872 # TODO: it should be possible to use an exe_wrapper to run the binary during
 873 # the build.
 874 if meson.is_cross_build()
 875   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 876           and build_machine.system() == host_machine.system())
 877     message('Cross compiling to x86 from non-x86, disabling asm')
 878     with_asm = false
 879   endif
 880 endif
 881
 882 with_asm_arch = ''
 883 if with_asm
 884   # TODO: SPARC and PPC
 885   if host_machine.cpu_family() == 'x86'
 886     if system_has_kms_drm
 887       with_asm_arch = 'x86'
 888       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 889                    '-DUSE_SSE_ASM']
 890     endif
 891   elif host_machine.cpu_family() == 'x86_64'
 892     if system_has_kms_drm
 893       with_asm_arch = 'x86_64'
 894       pre_args += ['-DUSE_X86_64_ASM']
 895     endif
 896   elif host_machine.cpu_family() == 'arm'
 897     if system_has_kms_drm
 898       with_asm_arch = 'arm'
 899       pre_args += ['-DUSE_ARM_ASM']
 900     endif
 901   elif host_machine.cpu_family() == 'aarch64'
 902     if system_has_kms_drm
 903       with_asm_arch = 'aarch64'
 904       pre_args += ['-DUSE_AARCH64_ASM']
 905     endif
 906   endif
 907 endif
 908
 909 # Check for standard headers and functions
 910 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 911   pre_args += '-DMAJOR_IN_SYSMACROS'
 912 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 913   pre_args += '-DMAJOR_IN_MKDEV'
 914 endif
 915
 916 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
 917   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 918     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 919   endif
 920 endforeach
 921
 922 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 923   if cc.has_function(f)
 924     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 925   endif
 926 endforeach
 927
 928 # strtod locale support
 929 if cc.links('''
 930     #define _GNU_SOURCE
 931     #include <stdlib.h>
 932     #include <locale.h>
 933     #ifdef HAVE_XLOCALE_H
 934     #include <xlocale.h>
 935     #endif
 936     int main() {
 937       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 938       const char *s = "1.0";
 939       char *end;
 940       double d = strtod_l(s, end, loc);
 941       float f = strtof_l(s, end, loc);
 942       freelocale(loc);
 943       return 0;
 944     }''',
 945     extra_args : pre_args,
 946     name : 'strtod has locale support')
 947   pre_args += '-DHAVE_STRTOD_L'
 948 endif
 949
 950 # Check for some linker flags
 951 ld_args_bsymbolic = []
 952 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 953   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 954 endif
 955 ld_args_gc_sections = []
 956 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 957             args : '-Wl,--gc-sections', name : 'gc-sections')
 958   ld_args_gc_sections += '-Wl,--gc-sections'
 959 endif
 960 with_ld_version_script = false
 961 if cc.links('int main() { return 0; }',
 962             args : '-Wl,--version-script=@0@'.format(
 963               join_paths(meson.source_root(), 'build-support/conftest.map')),
 964             name : 'version-script')
 965   with_ld_version_script = true
 966 endif
 967 with_ld_dynamic_list = false
 968 if cc.links('int main() { return 0; }',
 969             args : '-Wl,--dynamic-list=@0@'.format(
 970               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 971             name : 'dynamic-list')
 972   with_ld_dynamic_list = true
 973 endif
 974 ld_args_build_id = []
 975 if build_machine.system() != 'darwin'
 976    ld_args_build_id += '-Wl,--build-id=sha1'
 977 endif
 978
 979 # check for dl support
 980 if cc.has_function('dlopen')
 981   dep_dl = null_dep
 982 else
 983   dep_dl = cc.find_library('dl')
 984 endif
 985 if cc.has_function('dladdr', dependencies : dep_dl)
 986   # This is really only required for megadrivers
 987   pre_args += '-DHAVE_DLADDR'
 988 endif
 989
 990 if cc.has_function('dl_iterate_phdr')
 991   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 992 elif with_intel_vk
 993   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 994 elif with_dri_i965 and get_option('shader-cache')
 995   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 996 endif
 997
 998 # Determine whether or not the rt library is needed for time functions
 999 if cc.has_function('clock_gettime')
1000   dep_clock = null_dep
1001 else
1002   dep_clock = cc.find_library('rt')
1003 endif
1004
1005 # TODO: some of these may be conditional
1006 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1007 pre_args += '-DHAVE_ZLIB'
1008 dep_thread = dependency('threads')
1009 if dep_thread.found() and host_machine.system() != 'windows'
1010   pre_args += '-DHAVE_PTHREAD'
1011 endif
1012 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1013   dep_elf = dependency('libelf', required : false)
1014   if not dep_elf.found()
1015     dep_elf = cc.find_library('elf')
1016   endif
1017 else
1018   dep_elf = null_dep
1019 endif
1020 dep_expat = dependency('expat')
1021 # this only exists on linux so either this is linux and it will be found, or
1022 # its not linux and and wont
1023 dep_m = cc.find_library('m', required : false)
1024
1025 # Check for libdrm. various drivers have different libdrm version requirements,
1026 # but we always want to use the same version for all libdrm modules. That means
1027 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1028 # bar are both on use 2.4.3 for both of them
1029 dep_libdrm_amdgpu = null_dep
1030 dep_libdrm_radeon = null_dep
1031 dep_libdrm_nouveau = null_dep
1032 dep_libdrm_etnaviv = null_dep
1033 dep_libdrm_freedreno = null_dep
1034 dep_libdrm_intel = null_dep
1035
1036 _drm_amdgpu_ver = '2.4.91'
1037 _drm_radeon_ver = '2.4.71'
1038 _drm_nouveau_ver = '2.4.66'
1039 _drm_etnaviv_ver = '2.4.89'
1040 _drm_freedreno_ver = '2.4.92'
1041 _drm_intel_ver = '2.4.75'
1042 _drm_ver = '2.4.75'
1043
1044 _libdrm_checks = [
1045   ['intel', with_dri_i915 or with_gallium_i915],
1046   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1047   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1048               with_gallium_r300 or with_gallium_r600)],
1049   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1050   ['etnaviv', with_gallium_etnaviv],
1051   ['freedreno', with_gallium_freedreno],
1052 ]
1053
1054 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1055 # library.
1056 if with_gallium_vc4
1057   _drm_ver = '2.4.89'
1058 endif
1059
1060 # Loop over the enables versions and get the highest libdrm requirement for all
1061 # active drivers.
1062 foreach d : _libdrm_checks
1063   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1064   if d[1] and ver.version_compare('>' + _drm_ver)
1065     _drm_ver = ver
1066   endif
1067 endforeach
1068
1069 # Then get each libdrm module
1070 foreach d : _libdrm_checks
1071   if d[1]
1072     set_variable(
1073       'dep_libdrm_' + d[0],
1074       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1075     )
1076   endif
1077 endforeach
1078
1079 with_gallium_drisw_kms = false
1080 dep_libdrm = dependency(
1081   'libdrm', version : '>=' + _drm_ver,
1082   required : with_dri2 or with_dri3
1083 )
1084 if dep_libdrm.found()
1085   pre_args += '-DHAVE_LIBDRM'
1086   if with_dri_platform == 'drm' and with_dri
1087     with_gallium_drisw_kms = true
1088   endif
1089 endif
1090
1091 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1092 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1093   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1094   if with_gallium_r600
1095     llvm_modules += 'asmparser'
1096   endif
1097 endif
1098 if with_gallium_opencl
1099   llvm_modules += [
1100     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1101     'lto', 'option', 'objcarcopts', 'profiledata',
1102   ]
1103   # TODO: optional modules
1104 endif
1105
1106 if with_amd_vk or with_gallium_radeonsi
1107   _llvm_version = '>= 5.0.0'
1108 elif with_gallium_swr
1109   _llvm_version = '>= 4.0.0'
1110 elif with_gallium_opencl or with_gallium_r600
1111   _llvm_version = '>= 3.9.0'
1112 else
1113   _llvm_version = '>= 3.3.0'
1114 endif
1115
1116 _llvm = get_option('llvm')
1117 if _llvm == 'auto'
1118   dep_llvm = dependency(
1119     'llvm', version : _llvm_version, modules : llvm_modules,
1120     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1121   )
1122   with_llvm = dep_llvm.found()
1123 elif _llvm == 'true'
1124   dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1125   with_llvm = true
1126 else
1127   dep_llvm = null_dep
1128   with_llvm = false
1129 endif
1130 if with_llvm
1131   _llvm_version = dep_llvm.version().split('.')
1132   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1133   # that for our version checks.
1134   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1135   # strippped as of 0.44, but we support older meson versions.
1136
1137   # 3 digits versions in LLVM only started from 3.4.1 on
1138   if dep_llvm.version().version_compare('>= 3.4.1')
1139     _llvm_patch = _llvm_version[2]
1140   else
1141     _llvm_patch = '0'
1142   endif
1143
1144   if _llvm_patch.endswith('svn')
1145     _llvm_patch = _llvm_patch.split('s')[0]
1146   elif _llvm_patch.contains('git')
1147     _llvm_patch = _llvm_patch.split('g')[0]
1148   endif
1149   pre_args += [
1150     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1151     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1152   ]
1153
1154   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1155   # programs, so we need to build all C++ code in mesa without rtti as well to
1156   # ensure that linking works.
1157   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1158     cpp_args += '-fno-rtti'
1159   endif
1160 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1161   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1162 endif
1163
1164 dep_glvnd = null_dep
1165 if with_glvnd
1166   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1167   pre_args += '-DUSE_LIBGLVND=1'
1168 endif
1169
1170 if with_valgrind != 'false'
1171   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1172   if dep_valgrind.found()
1173     pre_args += '-DHAVE_VALGRIND'
1174   endif
1175 else
1176   dep_valgrind = null_dep
1177 endif
1178
1179 # pthread stubs. Lets not and say we didn't
1180
1181 prog_bison = find_program('bison', required : with_any_opengl)
1182 prog_flex = find_program('flex', required : with_any_opengl)
1183
1184 dep_selinux = null_dep
1185 if get_option('selinux')
1186   dep_selinux = dependency('libselinux')
1187   pre_args += '-DMESA_SELINUX'
1188 endif
1189
1190 # TODO: llvm-prefix and llvm-shared-libs
1191
1192 if with_libunwind != 'false'
1193   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1194   if dep_unwind.found()
1195     pre_args += '-DHAVE_LIBUNWIND'
1196   endif
1197 else
1198   dep_unwind = null_dep
1199 endif
1200
1201 # TODO: gallium-hud
1202
1203 if with_osmesa != 'none'
1204   if with_osmesa == 'classic' and not with_dri_swrast
1205     error('OSMesa classic requires dri (classic) swrast.')
1206   endif
1207   if with_osmesa == 'gallium' and not with_gallium_softpipe
1208     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1209   endif
1210   osmesa_lib_name = 'OSMesa'
1211   osmesa_bits = get_option('osmesa-bits')
1212   if osmesa_bits != '8'
1213     if with_dri or with_glx != 'disabled'
1214       error('OSMesa bits must be 8 if building glx or dir based drivers')
1215     endif
1216     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1217     pre_args += [
1218       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1219     ]
1220   endif
1221 endif
1222
1223 # TODO: symbol mangling
1224
1225 if with_platform_wayland
1226   prog_wl_scanner = find_program('wayland-scanner')
1227   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1228   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1229   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1230   wayland_dmabuf_xml = join_paths(
1231     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1232     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1233   )
1234   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1235 else
1236   prog_wl_scanner = []
1237   dep_wl_protocols = null_dep
1238   dep_wayland_client = null_dep
1239   dep_wayland_server = null_dep
1240   wayland_dmabuf_xml = ''
1241 endif
1242
1243 dep_x11 = null_dep
1244 dep_xext = null_dep
1245 dep_xdamage = null_dep
1246 dep_xfixes = null_dep
1247 dep_x11_xcb = null_dep
1248 dep_xcb = null_dep
1249 dep_xcb_glx = null_dep
1250 dep_xcb_dri2 = null_dep
1251 dep_xcb_dri3 = null_dep
1252 dep_dri2proto = null_dep
1253 dep_glproto = null_dep
1254 dep_xxf86vm = null_dep
1255 dep_xcb_dri3 = null_dep
1256 dep_xcb_present = null_dep
1257 dep_xcb_sync = null_dep
1258 dep_xcb_xfixes = null_dep
1259 dep_xshmfence = null_dep
1260 if with_platform_x11
1261   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1262     dep_x11 = dependency('x11')
1263     dep_xext = dependency('xext')
1264     dep_xcb = dependency('xcb')
1265   elif with_glx == 'dri'
1266     dep_x11 = dependency('x11')
1267     dep_xext = dependency('xext')
1268     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1269     dep_xfixes = dependency('xfixes')
1270     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1271     dep_xxf86vm = dependency('xxf86vm', required : false)
1272   endif
1273   if (with_any_vk or with_glx == 'dri' or
1274        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1275         with_gallium_omx != 'disabled'))
1276     dep_xcb = dependency('xcb')
1277     dep_x11_xcb = dependency('x11-xcb')
1278   endif
1279   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1280     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1281
1282     if with_dri3
1283       pre_args += '-DHAVE_DRI3'
1284       dep_xcb_dri3 = dependency('xcb-dri3')
1285       dep_xcb_present = dependency('xcb-present')
1286       # until xcb-dri3 has been around long enough to make a hard-dependency:
1287       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1288           dep_xcb_present.version().version_compare('>= 1.13'))
1289         pre_args += '-DHAVE_DRI3_MODIFIERS'
1290       endif
1291       dep_xcb_sync = dependency('xcb-sync')
1292       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1293     endif
1294   endif
1295   if with_glx == 'dri'
1296     if with_dri_platform == 'drm'
1297       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1298     endif
1299     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1300   endif
1301   if (with_egl or (
1302       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1303       with_gallium_omx != 'disabled'))
1304     dep_xcb_xfixes = dependency('xcb-xfixes')
1305   endif
1306 endif
1307
1308 if get_option('gallium-extra-hud')
1309   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1310 endif
1311
1312 _sensors = get_option('lmsensors')
1313 if _sensors != 'false'
1314   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1315   if dep_lmsensors.found()
1316     pre_args += '-DHAVE_LIBSENSORS=1'
1317   endif
1318 else
1319   dep_lmsensors = null_dep
1320 endif
1321
1322 # TODO: various libdirs
1323
1324 # TODO: gallium driver dirs
1325
1326 foreach a : pre_args
1327   add_project_arguments(a, language : ['c', 'cpp'])
1328 endforeach
1329 foreach a : c_args
1330   add_project_arguments(a, language : ['c'])
1331 endforeach
1332 foreach a : cpp_args
1333   add_project_arguments(a, language : ['cpp'])
1334 endforeach
1335
1336 inc_include = include_directories('include')
1337
1338 gl_priv_reqs = [
1339   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1340   'xcb-glx >= 1.8.1']
1341 if dep_libdrm.found()
1342   gl_priv_reqs += 'libdrm >= 2.4.75'
1343 endif
1344 if dep_xxf86vm.found()
1345   gl_priv_reqs += 'xxf86vm'
1346 endif
1347 if with_dri_platform == 'drm'
1348   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1349 endif
1350
1351 gl_priv_libs = []
1352 if dep_thread.found()
1353   gl_priv_libs += ['-lpthread', '-pthread']
1354 endif
1355 if dep_m.found()
1356   gl_priv_libs += '-lm'
1357 endif
1358 if dep_dl.found()
1359   gl_priv_libs += '-ldl'
1360 endif
1361
1362 pkg = import('pkgconfig')
1363
1364 env_test = environment()
1365 env_test.set('NM', find_program('nm').path())
1366
1367 subdir('include')
1368 subdir('bin')
1369 subdir('src')