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