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 : '>= 0.45',
  29   default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++11']
  30 )
  31
  32 cc = meson.get_compiler('c')
  33 cpp = meson.get_compiler('cpp')
  34
  35 null_dep = dependency('', required : false)
  36
  37 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  38
  39 # Arguments for the preprocessor, put these in a separate array from the C and
  40 # C++ (cpp in meson terminology) arguments since they need to be added to the
  41 # default arguments for both C and C++.
  42 pre_args = [
  43   '-D__STDC_CONSTANT_MACROS',
  44   '-D__STDC_FORMAT_MACROS',
  45   '-D__STDC_LIMIT_MACROS',
  46   '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
  47   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  48 ]
  49
  50 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  51 with_tests = get_option('build-tests')
  52 with_valgrind = get_option('valgrind')
  53 with_libunwind = get_option('libunwind')
  54 with_asm = get_option('asm')
  55 with_glx_read_only_text = get_option('glx-read-only-text')
  56 with_osmesa = get_option('osmesa')
  57 with_swr_arches = get_option('swr-arches')
  58 with_tools = get_option('tools')
  59 if with_tools.contains('all')
  60   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
  61 endif
  62
  63 dri_drivers_path = get_option('dri-drivers-path')
  64 if dri_drivers_path == ''
  65   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  66 endif
  67 dri_search_path = get_option('dri-search-path')
  68 if dri_search_path == ''
  69   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  70 endif
  71
  72 with_gles1 = get_option('gles1')
  73 with_gles2 = get_option('gles2')
  74 with_opengl = get_option('opengl')
  75 with_any_opengl = with_opengl or with_gles1 or with_gles2
  76 # Only build shared_glapi if at least one OpenGL API is enabled
  77 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  78
  79
  80 # shared-glapi is required if at least two OpenGL APIs are being built
  81 if not with_shared_glapi
  82   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  83       or (with_gles2 and with_opengl))
  84     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  85   endif
  86 endif
  87
  88 # We require OpenGL for OpenGL ES
  89 if (with_gles1 or with_gles2) and not with_opengl
  90   error('building OpenGL ES without OpenGL is not supported.')
  91 endif
  92
  93 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  94
  95 _drivers = get_option('dri-drivers')
  96 if _drivers.contains('auto')
  97   if system_has_kms_drm
  98     # TODO: PPC, Sparc
  99     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 100       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 101     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 102       _drivers = []
 103     else
 104       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 105             host_machine.cpu_family()))
 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 @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 112           host_machine.system()))
 113   endif
 114 endif
 115
 116 with_dri_i915 = _drivers.contains('i915')
 117 with_dri_i965 = _drivers.contains('i965')
 118 with_dri_r100 = _drivers.contains('r100')
 119 with_dri_r200 = _drivers.contains('r200')
 120 with_dri_nouveau = _drivers.contains('nouveau')
 121 with_dri_swrast = _drivers.contains('swrast')
 122
 123 with_dri = _drivers.length() != 0 and _drivers != ['']
 124
 125 _drivers = get_option('gallium-drivers')
 126 if _drivers.contains('auto')
 127   if system_has_kms_drm
 128     # TODO: PPC, Sparc
 129     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 130       _drivers = [
 131         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 132       ]
 133     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 134       _drivers = [
 135         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 136         'tegra', 'virgl', 'swrast',
 137       ]
 138     else
 139       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 140             host_machine.cpu_family()))
 141     endif
 142   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 143     _drivers = ['swrast']
 144   else
 145     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 146           host_machine.system()))
 147   endif
 148 endif
 149 with_gallium_pl111 = _drivers.contains('pl111')
 150 with_gallium_radeonsi = _drivers.contains('radeonsi')
 151 with_gallium_r300 = _drivers.contains('r300')
 152 with_gallium_r600 = _drivers.contains('r600')
 153 with_gallium_nouveau = _drivers.contains('nouveau')
 154 with_gallium_freedreno = _drivers.contains('freedreno')
 155 with_gallium_softpipe = _drivers.contains('swrast')
 156 with_gallium_vc4 = _drivers.contains('vc4')
 157 with_gallium_v3d = _drivers.contains('v3d')
 158 with_gallium_etnaviv = _drivers.contains('etnaviv')
 159 with_gallium_imx = _drivers.contains('imx')
 160 with_gallium_tegra = _drivers.contains('tegra')
 161 with_gallium_i915 = _drivers.contains('i915')
 162 with_gallium_svga = _drivers.contains('svga')
 163 with_gallium_virgl = _drivers.contains('virgl')
 164 with_gallium_swr = _drivers.contains('swr')
 165
 166 with_gallium = _drivers.length() != 0 and _drivers != ['']
 167
 168 if with_gallium and system_has_kms_drm
 169   _glx = get_option('glx')
 170   _egl = get_option('egl')
 171   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 172     with_dri = true
 173   endif
 174 endif
 175
 176 _vulkan_drivers = get_option('vulkan-drivers')
 177 if _vulkan_drivers.contains('auto')
 178   if system_has_kms_drm
 179     if host_machine.cpu_family().startswith('x86')
 180       _vulkan_drivers = ['amd', 'intel']
 181     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 182       _vulkan_drivers = []
 183     else
 184       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 185             host_machine.cpu_family()))
 186     endif
 187   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 188     # No vulkan driver supports windows or macOS currently
 189     _vulkan_drivers = []
 190   else
 191     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 192           host_machine.system()))
 193   endif
 194 endif
 195
 196 with_intel_vk = _vulkan_drivers.contains('intel')
 197 with_amd_vk = _vulkan_drivers.contains('amd')
 198 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 199
 200 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 201   error('Only one swrast provider can be built')
 202 endif
 203 if with_dri_i915 and with_gallium_i915
 204   error('Only one i915 provider can be built')
 205 endif
 206 if with_gallium_imx and not with_gallium_etnaviv
 207   error('IMX driver requires etnaviv driver')
 208 endif
 209 if with_gallium_pl111 and not with_gallium_vc4
 210   error('pl111 driver requires vc4 driver')
 211 endif
 212 if with_gallium_tegra and not with_gallium_nouveau
 213   error('tegra driver requires nouveau driver')
 214 endif
 215
 216 if host_machine.system() == 'darwin'
 217   with_dri_platform = 'apple'
 218 elif ['windows', 'cygwin'].contains(host_machine.system())
 219   with_dri_platform = 'windows'
 220 elif system_has_kms_drm
 221   with_dri_platform = 'drm'
 222 else
 223   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 224   # assert here that one of those cases has been met.
 225   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 226   # support Hurd at time of writing (2017/11)
 227   # FIXME: illumos ends up here as well
 228   with_dri_platform = 'none'
 229 endif
 230
 231 _platforms = get_option('platforms')
 232 if _platforms.contains('auto')
 233   if system_has_kms_drm
 234     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 235   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 236     _platforms = ['x11', 'surfaceless']
 237   elif ['haiku'].contains(host_machine.system())
 238     _platforms = ['haiku']
 239   else
 240     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 241           host_machine.system()))
 242   endif
 243 endif
 244
 245 with_platform_android = _platforms.contains('android')
 246 with_platform_x11 = _platforms.contains('x11')
 247 with_platform_wayland = _platforms.contains('wayland')
 248 with_platform_drm = _platforms.contains('drm')
 249 with_platform_haiku = _platforms.contains('haiku')
 250 with_platform_surfaceless = _platforms.contains('surfaceless')
 251
 252 with_platforms = false
 253 if _platforms.length() != 0 and _platforms != ['']
 254   with_platforms = true
 255   egl_native_platform = _platforms[0]
 256 endif
 257
 258 _xlib_lease = get_option('xlib-lease')
 259 if _xlib_lease == 'auto'
 260   with_xlib_lease = with_platform_x11 and with_platform_drm
 261 else
 262   with_xlib_lease = _xlib_lease == 'true'
 263 endif
 264
 265 with_glx = get_option('glx')
 266 if with_glx == 'auto'
 267   if with_dri
 268     with_glx = 'dri'
 269   elif with_platform_haiku
 270     with_glx = 'disabled'
 271   elif with_gallium
 272     # Even when building just gallium drivers the user probably wants dri
 273     with_glx = 'dri'
 274   elif with_platform_x11 and with_any_opengl and not with_any_vk
 275     # The automatic behavior should not be to turn on xlib based glx when
 276     # building only vulkan drivers
 277     with_glx = 'xlib'
 278   else
 279     with_glx = 'disabled'
 280   endif
 281 endif
 282 if with_glx == 'dri'
 283    if with_gallium
 284       with_dri = true
 285    endif
 286 endif
 287
 288 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 289   with_gles1 = false
 290   with_gles2 = false
 291   with_opengl = false
 292   with_any_opengl = false
 293   with_shared_glapi = false
 294 endif
 295
 296 _gbm = get_option('gbm')
 297 if _gbm == 'auto'
 298   with_gbm = system_has_kms_drm and with_dri
 299 else
 300   with_gbm = _gbm == 'true'
 301 endif
 302 if with_gbm and not system_has_kms_drm
 303   error('GBM only supports DRM/KMS platforms')
 304 endif
 305
 306 _egl = get_option('egl')
 307 if _egl == 'auto'
 308   with_egl = (
 309     not ['darwin', 'windows'].contains(host_machine.system()) and
 310     with_dri and with_shared_glapi and with_platforms
 311   )
 312 elif _egl == 'true'
 313   if not with_dri
 314     error('EGL requires dri')
 315   elif not with_shared_glapi
 316     error('EGL requires shared-glapi')
 317   elif not with_platforms
 318     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 319   elif not ['disabled', 'dri'].contains(with_glx)
 320     error('EGL requires dri, but a GLX is being built without dri')
 321   elif ['darwin', 'windows'].contains(host_machine.system())
 322     error('EGL is not available on Windows or MacOS')
 323   endif
 324   with_egl = true
 325 else
 326   with_egl = false
 327 endif
 328
 329 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 330   if with_gallium_radeonsi
 331     error('RadeonSI requires drm or surfaceless platform when using EGL')
 332   endif
 333   if with_gallium_virgl
 334     error('Virgl requires drm or surfaceless platform when using EGL')
 335   endif
 336 endif
 337
 338 pre_args += '-DGLX_USE_TLS'
 339 if with_glx != 'disabled'
 340   if not (with_platform_x11 and with_any_opengl)
 341     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 342   elif with_glx == 'gallium-xlib'
 343     if not with_gallium
 344       error('Gallium-xlib based GLX requires at least one gallium driver')
 345     elif not with_gallium_softpipe
 346       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 347     elif with_dri
 348       error('gallium-xlib conflicts with any dri driver')
 349     endif
 350   elif with_glx == 'xlib'
 351     if with_dri
 352       error('xlib conflicts with any dri driver')
 353     endif
 354   elif with_glx == 'dri'
 355     if not with_dri
 356       error('dri based GLX requires at least one DRI driver')
 357     elif not with_shared_glapi
 358       error('dri based GLX requires shared-glapi')
 359     endif
 360   endif
 361 endif
 362
 363 with_glvnd = get_option('glvnd')
 364 if with_glvnd
 365   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 366     error('Cannot build glvnd support for GLX that is not DRI based.')
 367   elif with_glx == 'disabled' and not with_egl
 368     error('glvnd requires DRI based GLX and/or EGL')
 369   endif
 370 endif
 371
 372 # TODO: toggle for this
 373 with_glx_direct = true
 374
 375 if with_vulkan_icd_dir == ''
 376   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 377 endif
 378
 379 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 380 _dri3 = get_option('dri3')
 381 if _dri3 == 'auto'
 382   with_dri3 = system_has_kms_drm and with_dri2
 383 else
 384   with_dri3 = _dri3 == 'true'
 385 endif
 386
 387 if with_any_vk and (with_platform_x11 and not with_dri3)
 388   error('Vulkan drivers require dri3 for X11 support')
 389 endif
 390 if with_dri or with_gallium
 391   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 392     error('building dri or gallium drivers require at least one window system')
 393   endif
 394 endif
 395
 396 prog_pkgconfig = find_program('pkg-config')
 397
 398 _vdpau = get_option('gallium-vdpau')
 399 if not system_has_kms_drm
 400   if _vdpau == 'true'
 401     error('VDPAU state tracker can only be build on unix-like OSes.')
 402   else
 403     _vdpau = 'false'
 404   endif
 405 elif not with_platform_x11
 406   if _vdpau == 'true'
 407     error('VDPAU state tracker requires X11 support.')
 408   else
 409     _vdpau = 'false'
 410   endif
 411 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 412           with_gallium_nouveau)
 413   if _vdpau == 'true'
 414     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 415   else
 416     _vdpau = 'false'
 417   endif
 418 endif
 419 dep_vdpau = null_dep
 420 with_gallium_vdpau = false
 421 if _vdpau != 'false'
 422   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 423   if dep_vdpau.found()
 424     dep_vdpau = declare_dependency(
 425       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 426     )
 427     with_gallium_vdpau = true
 428   endif
 429 endif
 430
 431 if with_gallium_vdpau
 432   pre_args += '-DHAVE_ST_VDPAU'
 433 endif
 434 vdpau_drivers_path = get_option('vdpau-libs-path')
 435 if vdpau_drivers_path == ''
 436   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 437 endif
 438
 439 _xvmc = get_option('gallium-xvmc')
 440 if not system_has_kms_drm
 441   if _xvmc == 'true'
 442     error('XVMC state tracker can only be build on unix-like OSes.')
 443   else
 444     _xvmc = 'false'
 445   endif
 446 elif not with_platform_x11
 447   if _xvmc == 'true'
 448     error('XVMC state tracker requires X11 support.')
 449   else
 450     _xvmc = 'false'
 451   endif
 452 elif not (with_gallium_r600 or with_gallium_nouveau)
 453   if _xvmc == 'true'
 454     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 455   else
 456     _xvmc = 'false'
 457   endif
 458 endif
 459 dep_xvmc = null_dep
 460 with_gallium_xvmc = false
 461 if _xvmc != 'false'
 462   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 463   with_gallium_xvmc = dep_xvmc.found()
 464 endif
 465
 466 xvmc_drivers_path = get_option('xvmc-libs-path')
 467 if xvmc_drivers_path == ''
 468   xvmc_drivers_path = get_option('libdir')
 469 endif
 470
 471 _omx = get_option('gallium-omx')
 472 if not system_has_kms_drm
 473   if ['auto', 'disabled'].contains(_omx)
 474     _omx = 'disabled'
 475   else
 476     error('OMX state tracker can only be built on unix-like OSes.')
 477   endif
 478 elif not (with_platform_x11 or with_platform_drm)
 479   if ['auto', 'disabled'].contains(_omx)
 480     _omx = 'disabled'
 481   else
 482     error('OMX state tracker requires X11 or drm platform support.')
 483   endif
 484 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 485   if ['auto', 'disabled'].contains(_omx)
 486     _omx = 'disabled'
 487   else
 488     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 489   endif
 490 endif
 491 with_gallium_omx = _omx
 492 dep_omx = null_dep
 493 dep_omx_other = []
 494 if ['auto', 'bellagio'].contains(_omx)
 495   dep_omx = dependency(
 496     'libomxil-bellagio', required : _omx == 'bellagio'
 497   )
 498   if dep_omx.found()
 499     with_gallium_omx = 'bellagio'
 500   endif
 501 endif
 502 if ['auto', 'tizonia'].contains(_omx)
 503   if with_dri and with_egl
 504     dep_omx = dependency(
 505       'libtizonia', version : '>= 0.10.0',
 506       required : _omx == 'tizonia',
 507     )
 508     dep_omx_other = [
 509       dependency('libtizplatform', required : _omx == 'tizonia'),
 510       dependency('tizilheaders', required : _omx == 'tizonia'),
 511     ]
 512     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 513       with_gallium_omx = 'tizonia'
 514     endif
 515   elif _omx == 'tizonia'
 516     error('OMX-Tizonia state tracker requires dri and egl')
 517   endif
 518 endif
 519 if _omx == 'auto'
 520   with_gallium_omx = 'disabled'
 521 else
 522   with_gallium_omx = _omx
 523 endif
 524
 525 pre_args += [
 526   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 527   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 528 ]
 529
 530
 531 omx_drivers_path = get_option('omx-libs-path')
 532
 533 if with_gallium_omx != 'disabled'
 534   # Figure out where to put the omx driver.
 535   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 536   # argument to meson's get_pkgconfig_variable method.
 537   if omx_drivers_path == ''
 538     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 539     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 540     if _omx_libdir == get_option('libdir')
 541       omx_drivers_path = _omx_drivers_dir
 542     else
 543       _omx_base_dir = []
 544       # This will fail on windows. Does OMX run on windows?
 545       _omx_libdir = _omx_libdir.split('/')
 546       _omx_drivers_dir = _omx_drivers_dir.split('/')
 547       foreach o : _omx_drivers_dir
 548         if not _omx_libdir.contains(o)
 549           _omx_base_dir += o
 550         endif
 551       endforeach
 552       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 553     endif
 554   endif
 555 endif
 556
 557 _va = get_option('gallium-va')
 558 if not system_has_kms_drm
 559   if _va == 'true'
 560     error('VA state tracker can only be built on unix-like OSes.')
 561   else
 562     _va = 'false'
 563   endif
 564 elif not (with_platform_x11 or with_platform_drm)
 565   if _va == 'true'
 566     error('VA state tracker requires X11 or drm or wayland platform support.')
 567   else
 568     _va = 'false'
 569   endif
 570 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 571   if _va == 'true'
 572     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 573   else
 574     _va = 'false'
 575   endif
 576 endif
 577 with_gallium_va = false
 578 dep_va = null_dep
 579 if _va != 'false'
 580   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 581   if dep_va.found()
 582     dep_va_headers = declare_dependency(
 583       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 584     )
 585     with_gallium_va = true
 586   endif
 587 endif
 588
 589 va_drivers_path = get_option('va-libs-path')
 590 if va_drivers_path == ''
 591   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 592 endif
 593
 594 _xa = get_option('gallium-xa')
 595 if not system_has_kms_drm
 596   if _xa == 'true'
 597     error('XA state tracker can only be built on unix-like OSes.')
 598   else
 599     _xa = 'false'
 600   endif
 601 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 602           or with_gallium_svga)
 603   if _xa == 'true'
 604     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 605   else
 606     _xa = 'false'
 607   endif
 608 endif
 609 with_gallium_xa = _xa != 'false'
 610
 611 d3d_drivers_path = get_option('d3d-drivers-path')
 612 if d3d_drivers_path == ''
 613   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 614 endif
 615
 616 with_gallium_st_nine =  get_option('gallium-nine')
 617 if with_gallium_st_nine
 618   if not with_gallium_softpipe
 619     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 620   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 621             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 622     error('The nine state tracker requires at least on non-swrast gallium driver.')
 623   endif
 624   if not with_dri3
 625     error('Using nine with wine requires dri3')
 626   endif
 627 endif
 628
 629 if get_option('power8') != 'false'
 630   if host_machine.cpu_family() == 'ppc64le'
 631     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 632       error('Altivec is not supported with gcc version < 4.8.')
 633     endif
 634     if cc.compiles('''
 635         #include <altivec.h>
 636         int main() {
 637           vector unsigned char r;
 638           vector unsigned int v = vec_splat_u32 (1);
 639           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 640           return 0;
 641         }''',
 642         args : '-mpower8-vector',
 643         name : 'POWER8 intrinsics')
 644       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 645     elif get_option('power8') == 'true'
 646       error('POWER8 intrinsic support required but not found.')
 647     endif
 648   endif
 649 endif
 650
 651 _opencl = get_option('gallium-opencl')
 652 if _opencl != 'disabled'
 653   if not with_gallium
 654     error('OpenCL Clover implementation requires at least one gallium driver.')
 655   endif
 656
 657   dep_clc = dependency('libclc')
 658   with_gallium_opencl = true
 659   with_opencl_icd = _opencl == 'icd'
 660 else
 661   dep_clc = null_dep
 662   with_gallium_opencl = false
 663   with_gallium_icd = false
 664 endif
 665
 666 gl_pkgconfig_c_flags = []
 667 if with_platform_x11
 668   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 669     pre_args += '-DHAVE_X11_PLATFORM'
 670   endif
 671   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 672     pre_args += '-DUSE_XSHM'
 673   else
 674     pre_args += '-DGLX_INDIRECT_RENDERING'
 675     if with_glx_direct
 676       pre_args += '-DGLX_DIRECT_RENDERING'
 677     endif
 678     if with_dri_platform == 'drm'
 679       pre_args += '-DGLX_USE_DRM'
 680     elif with_dri_platform == 'apple'
 681       pre_args += '-DGLX_USE_APPLEGL'
 682     elif with_dri_platform == 'windows'
 683       pre_args += '-DGLX_USE_WINDOWSGL'
 684     endif
 685   endif
 686 else
 687   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 688   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 689 endif
 690 if with_platform_drm
 691   if with_egl and not with_gbm
 692     error('EGL drm platform requires gbm')
 693   endif
 694   pre_args += '-DHAVE_DRM_PLATFORM'
 695 endif
 696 if with_platform_surfaceless
 697   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 698 endif
 699 if with_platform_android
 700   dep_android = [
 701     dependency('cutils'),
 702     dependency('hardware'),
 703     dependency('sync'),
 704   ]
 705   pre_args += '-DHAVE_ANDROID_PLATFORM'
 706 endif
 707 if with_platform_haiku
 708   pre_args += '-DHAVE_HAIKU_PLATFORM'
 709 endif
 710
 711 prog_python = import('python3').find_python()
 712 has_mako = run_command(
 713   prog_python, '-c',
 714   '''
 715 from distutils.version import StrictVersion
 716 import mako
 717 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 718   ''')
 719 if has_mako.returncode() != 0
 720   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 721 endif
 722
 723 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 724   error('When using GCC, version 4.4.6 or later is required.')
 725 endif
 726
 727 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 728 if get_option('buildtype') == 'debug'
 729   pre_args += '-DDEBUG'
 730 endif
 731
 732 if get_option('shader-cache')
 733   pre_args += '-DENABLE_SHADER_CACHE'
 734 elif with_amd_vk
 735   error('Radv requires shader cache support')
 736 endif
 737
 738 # Check for GCC style builtins
 739 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 740              'ffsll', 'popcount', 'popcountll', 'unreachable']
 741   if cc.has_function(b)
 742     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 743   endif
 744 endforeach
 745
 746 # check for GCC __attribute__
 747 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 748              'warn_unused_result', 'weak',]
 749   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 750                  name : '__attribute__((@0@))'.format(a))
 751     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 752   endif
 753 endforeach
 754 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 755                name : '__attribute__((format(...)))')
 756   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 757 endif
 758 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 759                name : '__attribute__((packed))')
 760   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 761 endif
 762 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 763                name : '__attribute__((returns_nonnull))')
 764   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 765 endif
 766 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 767                   int foo_hid(void) __attribute__((visibility("hidden")));
 768                   int foo_int(void) __attribute__((visibility("internal")));
 769                   int foo_pro(void) __attribute__((visibility("protected")));''',
 770                name : '__attribute__((visibility(...)))')
 771   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 772 endif
 773 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 774                name : '__attribute__((alias(...)))')
 775   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 776 endif
 777 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 778                name : '__attribute__((__noreturn__))')
 779   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 780 endif
 781
 782 # TODO: this is very incomplete
 783 if ['linux', 'cygwin'].contains(host_machine.system())
 784   pre_args += '-D_GNU_SOURCE'
 785 endif
 786
 787 # Check for generic C arguments
 788 c_args = []
 789 foreach a : ['-Werror=implicit-function-declaration',
 790              '-Werror=missing-prototypes', '-Werror=return-type',
 791              '-fno-math-errno',
 792              '-fno-trapping-math', '-Qunused-arguments']
 793   if cc.has_argument(a)
 794     c_args += a
 795   endif
 796 endforeach
 797
 798 foreach a : ['missing-field-initializers', 'format-truncation']
 799   if cc.has_argument('-W' + a)
 800     c_args += '-Wno-' + a
 801   endif
 802 endforeach
 803
 804 c_vis_args = []
 805 if cc.has_argument('-fvisibility=hidden')
 806   c_vis_args += '-fvisibility=hidden'
 807 endif
 808
 809 # Check for generic C++ arguments
 810 cpp_args = []
 811 foreach a : ['-Werror=return-type',
 812              '-fno-math-errno', '-fno-trapping-math',
 813              '-Qunused-arguments']
 814   if cpp.has_argument(a)
 815     cpp_args += a
 816   endif
 817 endforeach
 818
 819 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 820 # option is not supported. Hence, check for -Wfoo instead.
 821
 822 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
 823   if cpp.has_argument('-W' + a)
 824     cpp_args += '-Wno-' + a
 825   endif
 826 endforeach
 827
 828 no_override_init_args = []
 829 foreach a : ['override-init', 'initializer-overrides']
 830   if cc.has_argument('-W' + a)
 831     no_override_init_args += '-Wno-' + a
 832   endif
 833 endforeach
 834
 835 cpp_vis_args = []
 836 if cpp.has_argument('-fvisibility=hidden')
 837   cpp_vis_args += '-fvisibility=hidden'
 838 endif
 839
 840 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 841 # in parts of the mesa code base that need to compile with old versions of
 842 # MSVC, mainly common code
 843 c_msvc_compat_args = []
 844 cpp_msvc_compat_args = []
 845 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 846   if cc.has_argument(a)
 847     c_msvc_compat_args += a
 848   endif
 849   if cpp.has_argument(a)
 850     cpp_msvc_compat_args += a
 851   endif
 852 endforeach
 853
 854 if host_machine.cpu_family().startswith('x86')
 855   pre_args += '-DUSE_SSE41'
 856   with_sse41 = true
 857   sse41_args = ['-msse4.1']
 858
 859   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 860   # that's not guaranteed
 861   if host_machine.cpu_family() == 'x86'
 862     sse41_args += '-mstackrealign'
 863   endif
 864 else
 865   with_sse41 = false
 866   sse41_args = []
 867 endif
 868
 869 # Check for GCC style atomics
 870 dep_atomic = null_dep
 871
 872 if cc.compiles('''#include <stdint.h>
 873                   int main() {
 874                     struct {
 875                       uint64_t *v;
 876                     } x;
 877                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 878                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 879
 880                   }''',
 881                name : 'GCC atomic builtins')
 882   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 883
 884   # Not all atomic calls can be turned into lock-free instructions, in which
 885   # GCC will make calls into the libatomic library. Check whether we need to
 886   # link with -latomic.
 887   #
 888   # This can happen for 64-bit atomic operations on 32-bit architectures such
 889   # as ARM.
 890   if not cc.links('''#include <stdint.h>
 891                      int main() {
 892                        struct {
 893                          uint64_t *v;
 894                        } x;
 895                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 896                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 897                      }''',
 898                   name : 'GCC atomic builtins required -latomic')
 899     dep_atomic = cc.find_library('atomic')
 900   endif
 901 endif
 902 if not cc.links('''#include <stdint.h>
 903                    uint64_t v;
 904                    int main() {
 905                      return __sync_add_and_fetch(&v, (uint64_t)1);
 906                    }''',
 907                 dependencies : dep_atomic,
 908                 name : 'GCC 64bit atomics')
 909   pre_args += '-DMISSING_64BIT_ATOMICS'
 910 endif
 911
 912 # TODO: shared/static? Is this even worth doing?
 913
 914 # When cross compiling we generally need to turn off the use of assembly,
 915 # because mesa's assembly relies on building an executable for the host system,
 916 # and running it to get information about struct sizes. There is at least one
 917 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 918 # host OS == build OS, since in that case the build machine can run the host's
 919 # binaries.
 920 if meson.is_cross_build()
 921   if build_machine.system() != host_machine.system()
 922     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 923     message('Cross compiling from one OS to another, disabling assembly.')
 924     with_asm = false
 925   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 926     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 927     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 928     # case.
 929     # TODO: There may be other cases where the 64 bit version of the
 930     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 931     message('''
 932       Cross compiling to different architectures, and the host cannot run
 933       the build machine's binaries. Disabling assembly.
 934     ''')
 935     with_asm = false
 936   endif
 937 endif
 938
 939 with_asm_arch = ''
 940 if with_asm
 941   if host_machine.cpu_family() == 'x86'
 942     if system_has_kms_drm
 943       with_asm_arch = 'x86'
 944       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 945                    '-DUSE_SSE_ASM']
 946
 947       if with_glx_read_only_text
 948          pre_args += ['-DGLX_X86_READONLY_TEXT']
 949       endif
 950     endif
 951   elif host_machine.cpu_family() == 'x86_64'
 952     if system_has_kms_drm
 953       with_asm_arch = 'x86_64'
 954       pre_args += ['-DUSE_X86_64_ASM']
 955     endif
 956   elif host_machine.cpu_family() == 'arm'
 957     if system_has_kms_drm
 958       with_asm_arch = 'arm'
 959       pre_args += ['-DUSE_ARM_ASM']
 960     endif
 961   elif host_machine.cpu_family() == 'aarch64'
 962     if system_has_kms_drm
 963       with_asm_arch = 'aarch64'
 964       pre_args += ['-DUSE_AARCH64_ASM']
 965     endif
 966   elif host_machine.cpu_family() == 'sparc64'
 967     if system_has_kms_drm
 968       with_asm_arch = 'sparc'
 969       pre_args += ['-DUSE_SPARC_ASM']
 970     endif
 971   elif host_machine.cpu_family() == 'ppc64le'
 972     if system_has_kms_drm
 973       with_asm_arch = 'ppc64le'
 974       pre_args += ['-DUSE_PPC64LE_ASM']
 975     endif
 976   endif
 977 endif
 978
 979 # Check for standard headers and functions
 980 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 981   pre_args += '-DMAJOR_IN_SYSMACROS'
 982 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 983   pre_args += '-DMAJOR_IN_MKDEV'
 984 endif
 985
 986 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
 987   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 988     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 989   endif
 990 endforeach
 991
 992 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 993   if cc.has_function(f)
 994     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 995   endif
 996 endforeach
 997
 998 # strtod locale support
 999 if cc.links('''
1000     #define _GNU_SOURCE
1001     #include <stdlib.h>
1002     #include <locale.h>
1003     #ifdef HAVE_XLOCALE_H
1004     #include <xlocale.h>
1005     #endif
1006     int main() {
1007       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1008       const char *s = "1.0";
1009       char *end;
1010       double d = strtod_l(s, end, loc);
1011       float f = strtof_l(s, end, loc);
1012       freelocale(loc);
1013       return 0;
1014     }''',
1015     args : pre_args,
1016     name : 'strtod has locale support')
1017   pre_args += '-DHAVE_STRTOD_L'
1018 endif
1019
1020 # Check for some linker flags
1021 ld_args_bsymbolic = []
1022 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1023   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1024 endif
1025 ld_args_gc_sections = []
1026 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1027             args : '-Wl,--gc-sections', name : 'gc-sections')
1028   ld_args_gc_sections += '-Wl,--gc-sections'
1029 endif
1030 with_ld_version_script = false
1031 if cc.links('int main() { return 0; }',
1032             args : '-Wl,--version-script=@0@'.format(
1033               join_paths(meson.source_root(), 'build-support/conftest.map')),
1034             name : 'version-script')
1035   with_ld_version_script = true
1036 endif
1037 with_ld_dynamic_list = false
1038 if cc.links('int main() { return 0; }',
1039             args : '-Wl,--dynamic-list=@0@'.format(
1040               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1041             name : 'dynamic-list')
1042   with_ld_dynamic_list = true
1043 endif
1044 ld_args_build_id = []
1045 if build_machine.system() != 'darwin'
1046    ld_args_build_id += '-Wl,--build-id=sha1'
1047 endif
1048
1049 # check for dl support
1050 if cc.has_function('dlopen')
1051   dep_dl = null_dep
1052 else
1053   dep_dl = cc.find_library('dl')
1054 endif
1055 if cc.has_function('dladdr', dependencies : dep_dl)
1056   # This is really only required for megadrivers
1057   pre_args += '-DHAVE_DLADDR'
1058 endif
1059
1060 if cc.has_function('dl_iterate_phdr')
1061   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1062 elif with_intel_vk
1063   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1064 elif with_dri_i965 and get_option('shader-cache')
1065   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1066 endif
1067
1068 # Determine whether or not the rt library is needed for time functions
1069 if cc.has_function('clock_gettime')
1070   dep_clock = null_dep
1071 else
1072   dep_clock = cc.find_library('rt')
1073 endif
1074
1075 # TODO: some of these may be conditional
1076 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1077 pre_args += '-DHAVE_ZLIB'
1078 dep_thread = dependency('threads')
1079 if dep_thread.found() and host_machine.system() != 'windows'
1080   pre_args += '-DHAVE_PTHREAD'
1081   if cc.has_function(
1082       'pthread_setaffinity_np',
1083       dependencies : dep_thread,
1084       prefix : '#include <pthread.h>',
1085       args : '-D_GNU_SOURCE')
1086     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1087   endif
1088 endif
1089 dep_expat = dependency('expat')
1090 # this only exists on linux so either this is linux and it will be found, or
1091 # its not linux and and wont
1092 dep_m = cc.find_library('m', required : false)
1093
1094 # Check for libdrm. various drivers have different libdrm version requirements,
1095 # but we always want to use the same version for all libdrm modules. That means
1096 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1097 # bar are both on use 2.4.3 for both of them
1098 dep_libdrm_amdgpu = null_dep
1099 dep_libdrm_radeon = null_dep
1100 dep_libdrm_nouveau = null_dep
1101 dep_libdrm_etnaviv = null_dep
1102 dep_libdrm_intel = null_dep
1103
1104 _drm_amdgpu_ver = '2.4.95'
1105 _drm_radeon_ver = '2.4.71'
1106 _drm_nouveau_ver = '2.4.66'
1107 _drm_etnaviv_ver = '2.4.89'
1108 _drm_intel_ver = '2.4.75'
1109 _drm_ver = '2.4.75'
1110
1111 _libdrm_checks = [
1112   ['intel', with_dri_i915 or with_gallium_i915],
1113   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1114   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1115               with_gallium_r300 or with_gallium_r600)],
1116   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1117   ['etnaviv', with_gallium_etnaviv],
1118 ]
1119
1120 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1121 # library.
1122 if with_gallium_vc4
1123   _drm_ver = '2.4.89'
1124 endif
1125
1126 # Loop over the enables versions and get the highest libdrm requirement for all
1127 # active drivers.
1128 _drm_blame = ''
1129 foreach d : _libdrm_checks
1130   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1131   if d[1] and ver.version_compare('>' + _drm_ver)
1132     _drm_ver = ver
1133     _drm_blame = d[0]
1134   endif
1135 endforeach
1136 if _drm_blame != ''
1137   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1138 endif
1139
1140 # Then get each libdrm module
1141 foreach d : _libdrm_checks
1142   if d[1]
1143     set_variable(
1144       'dep_libdrm_' + d[0],
1145       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1146     )
1147   endif
1148 endforeach
1149
1150 with_gallium_drisw_kms = false
1151 dep_libdrm = dependency(
1152   'libdrm', version : '>=' + _drm_ver,
1153   required : with_dri2 or with_dri3
1154 )
1155 if dep_libdrm.found()
1156   pre_args += '-DHAVE_LIBDRM'
1157   if with_dri_platform == 'drm' and with_dri
1158     with_gallium_drisw_kms = true
1159   endif
1160 endif
1161
1162 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1163 llvm_optional_modules = []
1164 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1165   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1166   if with_gallium_r600
1167     llvm_modules += 'asmparser'
1168   endif
1169 endif
1170 if with_gallium_opencl
1171   llvm_modules += [
1172     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1173     'lto', 'option', 'objcarcopts', 'profiledata',
1174   ]
1175   llvm_optional_modules += ['coroutines']
1176 endif
1177
1178 if with_amd_vk or with_gallium_radeonsi
1179   _llvm_version = '>= 6.0.0'
1180 elif with_gallium_swr
1181   _llvm_version = '>= 6.0.0'
1182 elif with_gallium_opencl or with_gallium_r600
1183   _llvm_version = '>= 3.9.0'
1184 else
1185   _llvm_version = '>= 3.3.0'
1186 endif
1187
1188 _shared_llvm = get_option('shared-llvm')
1189
1190 _llvm = get_option('llvm')
1191 dep_llvm = null_dep
1192 with_llvm = false
1193 if _llvm != 'false'
1194   dep_llvm = dependency(
1195     'llvm',
1196     version : _llvm_version,
1197     modules : llvm_modules,
1198     optional_modules : llvm_optional_modules,
1199     required : (
1200       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1201       with_gallium_opencl or _llvm == 'true'
1202     ),
1203     static : not _shared_llvm,
1204   )
1205   with_llvm = dep_llvm.found()
1206 endif
1207 if with_llvm
1208   _llvm_version = dep_llvm.version().split('.')
1209
1210   # 3 digits versions in LLVM only started from 3.4.1 on
1211   if dep_llvm.version().version_compare('>= 3.4.1')
1212     _llvm_patch = _llvm_version[2]
1213   else
1214     _llvm_patch = '0'
1215   endif
1216
1217   pre_args += [
1218     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1219     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1220   ]
1221
1222   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1223   # programs, so we need to build all C++ code in mesa without rtti as well to
1224   # ensure that linking works.
1225   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1226     cpp_args += '-fno-rtti'
1227   endif
1228 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1229   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1230 endif
1231
1232 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1233     (with_gallium_r600 and with_llvm))
1234   dep_elf = dependency('libelf', required : false)
1235   if not dep_elf.found()
1236     dep_elf = cc.find_library('elf')
1237   endif
1238 else
1239   dep_elf = null_dep
1240 endif
1241
1242 dep_glvnd = null_dep
1243 if with_glvnd
1244   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1245   pre_args += '-DUSE_LIBGLVND=1'
1246 endif
1247
1248 if with_valgrind != 'false'
1249   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1250   if dep_valgrind.found()
1251     pre_args += '-DHAVE_VALGRIND'
1252   endif
1253 else
1254   dep_valgrind = null_dep
1255 endif
1256
1257 # pthread stubs. Lets not and say we didn't
1258
1259 prog_bison = find_program('bison', required : with_any_opengl)
1260 prog_flex = find_program('flex', required : with_any_opengl)
1261
1262 dep_selinux = null_dep
1263 if get_option('selinux')
1264   dep_selinux = dependency('libselinux')
1265   pre_args += '-DMESA_SELINUX'
1266 endif
1267
1268 if with_libunwind != 'false'
1269   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1270   if dep_unwind.found()
1271     pre_args += '-DHAVE_LIBUNWIND'
1272   endif
1273 else
1274   dep_unwind = null_dep
1275 endif
1276
1277 if with_osmesa != 'none'
1278   if with_osmesa == 'classic' and not with_dri_swrast
1279     error('OSMesa classic requires dri (classic) swrast.')
1280   endif
1281   if with_osmesa == 'gallium' and not with_gallium_softpipe
1282     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1283   endif
1284   osmesa_lib_name = 'OSMesa'
1285   osmesa_bits = get_option('osmesa-bits')
1286   if osmesa_bits != '8'
1287     if with_dri or with_glx != 'disabled'
1288       error('OSMesa bits must be 8 if building glx or dir based drivers')
1289     endif
1290     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1291     pre_args += [
1292       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1293     ]
1294   endif
1295 endif
1296
1297 # TODO: symbol mangling
1298
1299 if with_platform_wayland
1300   dep_wl_scanner = dependency('wayland-scanner', native: true)
1301   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1302   if dep_wl_scanner.version().version_compare('>= 1.15')
1303     wl_scanner_arg = 'private-code'
1304   else
1305     wl_scanner_arg = 'code'
1306   endif
1307   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1308   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1309   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1310   if with_egl
1311     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1312     dep_wayland_egl_headers = declare_dependency(
1313       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1314   endif
1315   wayland_dmabuf_xml = join_paths(
1316     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1317     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1318   )
1319   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1320 endif
1321
1322 dep_x11 = null_dep
1323 dep_xext = null_dep
1324 dep_xdamage = null_dep
1325 dep_xfixes = null_dep
1326 dep_x11_xcb = null_dep
1327 dep_xcb = null_dep
1328 dep_xcb_glx = null_dep
1329 dep_xcb_dri2 = null_dep
1330 dep_xcb_dri3 = null_dep
1331 dep_dri2proto = null_dep
1332 dep_glproto = null_dep
1333 dep_xxf86vm = null_dep
1334 dep_xcb_dri3 = null_dep
1335 dep_xcb_present = null_dep
1336 dep_xcb_sync = null_dep
1337 dep_xcb_xfixes = null_dep
1338 dep_xshmfence = null_dep
1339 dep_xcb_xrandr = null_dep
1340 dep_xlib_xrandr = null_dep
1341 if with_platform_x11
1342   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1343     dep_x11 = dependency('x11')
1344     dep_xext = dependency('xext')
1345     dep_xcb = dependency('xcb')
1346   elif with_glx == 'dri'
1347     dep_x11 = dependency('x11')
1348     dep_xext = dependency('xext')
1349     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1350     dep_xfixes = dependency('xfixes')
1351     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1352     dep_xxf86vm = dependency('xxf86vm')
1353   endif
1354   if (with_any_vk or with_glx == 'dri' or
1355        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1356         with_gallium_omx != 'disabled'))
1357     dep_xcb = dependency('xcb')
1358     dep_x11_xcb = dependency('x11-xcb')
1359   endif
1360   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1361     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1362
1363     if with_dri3
1364       pre_args += '-DHAVE_DRI3'
1365       dep_xcb_dri3 = dependency('xcb-dri3')
1366       dep_xcb_present = dependency('xcb-present')
1367       # until xcb-dri3 has been around long enough to make a hard-dependency:
1368       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1369           dep_xcb_present.version().version_compare('>= 1.13'))
1370         pre_args += '-DHAVE_DRI3_MODIFIERS'
1371       endif
1372       dep_xcb_sync = dependency('xcb-sync')
1373       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1374     endif
1375   endif
1376   if with_glx == 'dri'
1377     if with_dri_platform == 'drm'
1378       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1379     endif
1380     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1381   endif
1382   if (with_egl or (
1383       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1384       with_gallium_omx != 'disabled'))
1385     dep_xcb_xfixes = dependency('xcb-xfixes')
1386   endif
1387   if with_xlib_lease
1388     dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1389     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1390   endif
1391 endif
1392
1393 if get_option('gallium-extra-hud')
1394   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1395 endif
1396
1397 _sensors = get_option('lmsensors')
1398 if _sensors != 'false'
1399   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1400   if dep_lmsensors.found()
1401     pre_args += '-DHAVE_LIBSENSORS=1'
1402   endif
1403 else
1404   dep_lmsensors = null_dep
1405 endif
1406
1407 foreach a : pre_args
1408   add_project_arguments(a, language : ['c', 'cpp'])
1409 endforeach
1410 foreach a : c_args
1411   add_project_arguments(a, language : ['c'])
1412 endforeach
1413 foreach a : cpp_args
1414   add_project_arguments(a, language : ['cpp'])
1415 endforeach
1416
1417 inc_include = include_directories('include')
1418
1419 gl_priv_reqs = []
1420
1421 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1422   gl_priv_reqs += ['x11', 'xext', 'xcb']
1423 elif with_glx == 'dri'
1424   gl_priv_reqs += [
1425     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1426     'xcb-glx >= 1.8.1']
1427   if with_dri_platform == 'drm'
1428     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1429   endif
1430   gl_priv_reqs += 'xxf86vm'
1431 endif
1432 if dep_libdrm.found()
1433   gl_priv_reqs += 'libdrm >= 2.4.75'
1434 endif
1435
1436 gl_priv_libs = []
1437 if dep_thread.found()
1438   gl_priv_libs += ['-lpthread', '-pthread']
1439 endif
1440 if dep_m.found()
1441   gl_priv_libs += '-lm'
1442 endif
1443 if dep_dl.found()
1444   gl_priv_libs += '-ldl'
1445 endif
1446
1447 pkg = import('pkgconfig')
1448
1449 env_test = environment()
1450 env_test.set('NM', find_program('nm').path())
1451
1452 subdir('include')
1453 subdir('bin')
1454 subdir('src')