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   '-DVERSION="@0@"'.format(meson.project_version()),
  47   '-DPACKAGE_VERSION=VERSION',
  48   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  49 ]
  50
  51 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  52 with_tests = get_option('build-tests')
  53 with_valgrind = get_option('valgrind')
  54 with_libunwind = get_option('libunwind')
  55 with_asm = get_option('asm')
  56 with_glx_read_only_text = get_option('glx-read-only-text')
  57 with_osmesa = get_option('osmesa')
  58 with_swr_arches = get_option('swr-arches')
  59 with_tools = get_option('tools')
  60 if with_tools.contains('all')
  61   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
  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 @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 106             host_machine.cpu_family()))
 107     endif
 108   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 109     # only swrast would make sense here, but gallium swrast is a much better default
 110     _drivers = []
 111   else
 112     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 113           host_machine.system()))
 114   endif
 115 endif
 116
 117 with_dri_i915 = _drivers.contains('i915')
 118 with_dri_i965 = _drivers.contains('i965')
 119 with_dri_r100 = _drivers.contains('r100')
 120 with_dri_r200 = _drivers.contains('r200')
 121 with_dri_nouveau = _drivers.contains('nouveau')
 122 with_dri_swrast = _drivers.contains('swrast')
 123
 124 with_dri = _drivers.length() != 0 and _drivers != ['']
 125
 126 _drivers = get_option('gallium-drivers')
 127 if _drivers.contains('auto')
 128   if system_has_kms_drm
 129     # TODO: PPC, Sparc
 130     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 131       _drivers = [
 132         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 133       ]
 134     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 135       _drivers = [
 136         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 137         'tegra', 'virgl', 'swrast',
 138       ]
 139     else
 140       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 141             host_machine.cpu_family()))
 142     endif
 143   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 144     _drivers = ['swrast']
 145   else
 146     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 147           host_machine.system()))
 148   endif
 149 endif
 150 with_gallium_pl111 = _drivers.contains('pl111')
 151 with_gallium_radeonsi = _drivers.contains('radeonsi')
 152 with_gallium_r300 = _drivers.contains('r300')
 153 with_gallium_r600 = _drivers.contains('r600')
 154 with_gallium_nouveau = _drivers.contains('nouveau')
 155 with_gallium_freedreno = _drivers.contains('freedreno')
 156 with_gallium_softpipe = _drivers.contains('swrast')
 157 with_gallium_vc4 = _drivers.contains('vc4')
 158 with_gallium_v3d = _drivers.contains('v3d')
 159 with_gallium_etnaviv = _drivers.contains('etnaviv')
 160 with_gallium_imx = _drivers.contains('imx')
 161 with_gallium_tegra = _drivers.contains('tegra')
 162 with_gallium_i915 = _drivers.contains('i915')
 163 with_gallium_svga = _drivers.contains('svga')
 164 with_gallium_virgl = _drivers.contains('virgl')
 165 with_gallium_swr = _drivers.contains('swr')
 166
 167 with_gallium = _drivers.length() != 0 and _drivers != ['']
 168
 169 if with_gallium and system_has_kms_drm
 170   _glx = get_option('glx')
 171   _egl = get_option('egl')
 172   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 173     with_dri = true
 174   endif
 175 endif
 176
 177 _vulkan_drivers = get_option('vulkan-drivers')
 178 if _vulkan_drivers.contains('auto')
 179   if system_has_kms_drm
 180     if host_machine.cpu_family().startswith('x86')
 181       _vulkan_drivers = ['amd', 'intel']
 182     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 183       _vulkan_drivers = []
 184     else
 185       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 186             host_machine.cpu_family()))
 187     endif
 188   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 189     # No vulkan driver supports windows or macOS currently
 190     _vulkan_drivers = []
 191   else
 192     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 193           host_machine.system()))
 194   endif
 195 endif
 196
 197 with_intel_vk = _vulkan_drivers.contains('intel')
 198 with_amd_vk = _vulkan_drivers.contains('amd')
 199 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 200
 201 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 202   error('Only one swrast provider can be built')
 203 endif
 204 if with_dri_i915 and with_gallium_i915
 205   error('Only one i915 provider can be built')
 206 endif
 207 if with_gallium_imx and not with_gallium_etnaviv
 208   error('IMX driver requires etnaviv driver')
 209 endif
 210 if with_gallium_pl111 and not with_gallium_vc4
 211   error('pl111 driver requires vc4 driver')
 212 endif
 213 if with_gallium_tegra and not with_gallium_nouveau
 214   error('tegra driver requires nouveau driver')
 215 endif
 216
 217 if host_machine.system() == 'darwin'
 218   with_dri_platform = 'apple'
 219 elif ['windows', 'cygwin'].contains(host_machine.system())
 220   with_dri_platform = 'windows'
 221 elif system_has_kms_drm
 222   with_dri_platform = 'drm'
 223 else
 224   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 225   # assert here that one of those cases has been met.
 226   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 227   # support Hurd at time of writing (2017/11)
 228   # FIXME: illumos ends up here as well
 229   with_dri_platform = 'none'
 230 endif
 231
 232 _platforms = get_option('platforms')
 233 if _platforms.contains('auto')
 234   if system_has_kms_drm
 235     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 236   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 237     _platforms = ['x11', 'surfaceless']
 238   elif ['haiku'].contains(host_machine.system())
 239     _platforms = ['haiku']
 240   else
 241     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 242           host_machine.system()))
 243   endif
 244 endif
 245
 246 with_platform_android = _platforms.contains('android')
 247 with_platform_x11 = _platforms.contains('x11')
 248 with_platform_wayland = _platforms.contains('wayland')
 249 with_platform_drm = _platforms.contains('drm')
 250 with_platform_haiku = _platforms.contains('haiku')
 251 with_platform_surfaceless = _platforms.contains('surfaceless')
 252
 253 with_platforms = false
 254 if _platforms.length() != 0 and _platforms != ['']
 255   with_platforms = true
 256   egl_native_platform = _platforms[0]
 257 endif
 258
 259 _xlib_lease = get_option('xlib-lease')
 260 if _xlib_lease == 'auto'
 261   with_xlib_lease = with_platform_x11 and with_platform_drm
 262 else
 263   with_xlib_lease = _xlib_lease == 'true'
 264 endif
 265
 266 with_glx = get_option('glx')
 267 if with_glx == 'auto'
 268   if with_dri
 269     with_glx = 'dri'
 270   elif with_platform_haiku
 271     with_glx = 'disabled'
 272   elif with_gallium
 273     # Even when building just gallium drivers the user probably wants dri
 274     with_glx = 'dri'
 275   elif with_platform_x11 and with_any_opengl and not with_any_vk
 276     # The automatic behavior should not be to turn on xlib based glx when
 277     # building only vulkan drivers
 278     with_glx = 'xlib'
 279   else
 280     with_glx = 'disabled'
 281   endif
 282 endif
 283 if with_glx == 'dri'
 284    if with_gallium
 285       with_dri = true
 286    endif
 287 endif
 288
 289 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 290   with_gles1 = false
 291   with_gles2 = false
 292   with_opengl = false
 293   with_any_opengl = false
 294   with_shared_glapi = false
 295 endif
 296
 297 _gbm = get_option('gbm')
 298 if _gbm == 'auto'
 299   with_gbm = system_has_kms_drm and with_dri
 300 else
 301   with_gbm = _gbm == 'true'
 302 endif
 303 if with_gbm and not system_has_kms_drm
 304   error('GBM only supports DRM/KMS platforms')
 305 endif
 306
 307 _egl = get_option('egl')
 308 if _egl == 'auto'
 309   with_egl = (
 310     not ['darwin', 'windows'].contains(host_machine.system()) and
 311     with_dri and with_shared_glapi and with_platforms
 312   )
 313 elif _egl == 'true'
 314   if not with_dri
 315     error('EGL requires dri')
 316   elif not with_shared_glapi
 317     error('EGL requires shared-glapi')
 318   elif not with_platforms
 319     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 320   elif not ['disabled', 'dri'].contains(with_glx)
 321     error('EGL requires dri, but a GLX is being built without dri')
 322   elif ['darwin', 'windows'].contains(host_machine.system())
 323     error('EGL is not available on Windows or MacOS')
 324   endif
 325   with_egl = true
 326 else
 327   with_egl = false
 328 endif
 329
 330 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 331   if with_gallium_radeonsi
 332     error('RadeonSI requires drm or surfaceless platform when using EGL')
 333   endif
 334   if with_gallium_virgl
 335     error('Virgl requires drm or surfaceless platform when using EGL')
 336   endif
 337 endif
 338
 339 pre_args += '-DGLX_USE_TLS'
 340 if with_glx != 'disabled'
 341   if not (with_platform_x11 and with_any_opengl)
 342     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 343   elif with_glx == 'gallium-xlib'
 344     if not with_gallium
 345       error('Gallium-xlib based GLX requires at least one gallium driver')
 346     elif not with_gallium_softpipe
 347       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 348     elif with_dri
 349       error('gallium-xlib conflicts with any dri driver')
 350     endif
 351   elif with_glx == 'xlib'
 352     if with_dri
 353       error('xlib conflicts with any dri driver')
 354     endif
 355   elif with_glx == 'dri'
 356     if not with_dri
 357       error('dri based GLX requires at least one DRI driver')
 358     elif not with_shared_glapi
 359       error('dri based GLX requires shared-glapi')
 360     endif
 361   endif
 362 endif
 363
 364 with_glvnd = get_option('glvnd')
 365 if with_glvnd
 366   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 367     error('Cannot build glvnd support for GLX that is not DRI based.')
 368   elif with_glx == 'disabled' and not with_egl
 369     error('glvnd requires DRI based GLX and/or EGL')
 370   endif
 371 endif
 372
 373 # TODO: toggle for this
 374 with_glx_direct = true
 375
 376 if with_vulkan_icd_dir == ''
 377   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 378 endif
 379
 380 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 381 _dri3 = get_option('dri3')
 382 if _dri3 == 'auto'
 383   with_dri3 = system_has_kms_drm and with_dri2
 384 else
 385   with_dri3 = _dri3 == 'true'
 386 endif
 387
 388 if with_any_vk and (with_platform_x11 and not with_dri3)
 389   error('Vulkan drivers require dri3 for X11 support')
 390 endif
 391 if with_dri or with_gallium
 392   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 393     error('building dri or gallium drivers require at least one window system')
 394   endif
 395 endif
 396
 397 prog_pkgconfig = find_program('pkg-config')
 398
 399 _vdpau = get_option('gallium-vdpau')
 400 if not system_has_kms_drm
 401   if _vdpau == 'true'
 402     error('VDPAU state tracker can only be build on unix-like OSes.')
 403   else
 404     _vdpau = 'false'
 405   endif
 406 elif not with_platform_x11
 407   if _vdpau == 'true'
 408     error('VDPAU state tracker requires X11 support.')
 409   else
 410     _vdpau = 'false'
 411   endif
 412 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 413           with_gallium_nouveau)
 414   if _vdpau == 'true'
 415     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 416   else
 417     _vdpau = 'false'
 418   endif
 419 endif
 420 dep_vdpau = null_dep
 421 with_gallium_vdpau = false
 422 if _vdpau != 'false'
 423   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 424   if dep_vdpau.found()
 425     dep_vdpau = declare_dependency(
 426       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 427     )
 428     with_gallium_vdpau = true
 429   endif
 430 endif
 431
 432 if with_gallium_vdpau
 433   pre_args += '-DHAVE_ST_VDPAU'
 434 endif
 435 vdpau_drivers_path = get_option('vdpau-libs-path')
 436 if vdpau_drivers_path == ''
 437   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 438 endif
 439
 440 _xvmc = get_option('gallium-xvmc')
 441 if not system_has_kms_drm
 442   if _xvmc == 'true'
 443     error('XVMC state tracker can only be build on unix-like OSes.')
 444   else
 445     _xvmc = 'false'
 446   endif
 447 elif not with_platform_x11
 448   if _xvmc == 'true'
 449     error('XVMC state tracker requires X11 support.')
 450   else
 451     _xvmc = 'false'
 452   endif
 453 elif not (with_gallium_r600 or with_gallium_nouveau)
 454   if _xvmc == 'true'
 455     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 456   else
 457     _xvmc = 'false'
 458   endif
 459 endif
 460 dep_xvmc = null_dep
 461 with_gallium_xvmc = false
 462 if _xvmc != 'false'
 463   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 464   with_gallium_xvmc = dep_xvmc.found()
 465 endif
 466
 467 xvmc_drivers_path = get_option('xvmc-libs-path')
 468 if xvmc_drivers_path == ''
 469   xvmc_drivers_path = get_option('libdir')
 470 endif
 471
 472 _omx = get_option('gallium-omx')
 473 if not system_has_kms_drm
 474   if ['auto', 'disabled'].contains(_omx)
 475     _omx = 'disabled'
 476   else
 477     error('OMX state tracker can only be built on unix-like OSes.')
 478   endif
 479 elif not (with_platform_x11 or with_platform_drm)
 480   if ['auto', 'disabled'].contains(_omx)
 481     _omx = 'disabled'
 482   else
 483     error('OMX state tracker requires X11 or drm platform support.')
 484   endif
 485 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 486   if ['auto', 'disabled'].contains(_omx)
 487     _omx = 'disabled'
 488   else
 489     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 490   endif
 491 endif
 492 with_gallium_omx = _omx
 493 dep_omx = null_dep
 494 dep_omx_other = []
 495 if ['auto', 'bellagio'].contains(_omx)
 496   dep_omx = dependency(
 497     'libomxil-bellagio', required : _omx == 'bellagio'
 498   )
 499   if dep_omx.found()
 500     with_gallium_omx = 'bellagio'
 501   endif
 502 endif
 503 if ['auto', 'tizonia'].contains(_omx)
 504   if with_dri and with_egl
 505     dep_omx = dependency(
 506       'libtizonia', version : '>= 0.10.0',
 507       required : _omx == 'tizonia',
 508     )
 509     dep_omx_other = [
 510       dependency('libtizplatform', required : _omx == 'tizonia'),
 511       dependency('tizilheaders', required : _omx == 'tizonia'),
 512     ]
 513     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 514       with_gallium_omx = 'tizonia'
 515     endif
 516   elif _omx == 'tizonia'
 517     error('OMX-Tizonia state tracker requires dri and egl')
 518   endif
 519 endif
 520 if _omx == 'auto'
 521   with_gallium_omx = 'disabled'
 522 else
 523   with_gallium_omx = _omx
 524 endif
 525
 526 pre_args += [
 527   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 528   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 529 ]
 530
 531
 532 omx_drivers_path = get_option('omx-libs-path')
 533
 534 if with_gallium_omx != 'disabled'
 535   # Figure out where to put the omx driver.
 536   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 537   # argument to meson's get_pkgconfig_variable method.
 538   if omx_drivers_path == ''
 539     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 540     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 541     if _omx_libdir == get_option('libdir')
 542       omx_drivers_path = _omx_drivers_dir
 543     else
 544       _omx_base_dir = []
 545       # This will fail on windows. Does OMX run on windows?
 546       _omx_libdir = _omx_libdir.split('/')
 547       _omx_drivers_dir = _omx_drivers_dir.split('/')
 548       foreach o : _omx_drivers_dir
 549         if not _omx_libdir.contains(o)
 550           _omx_base_dir += o
 551         endif
 552       endforeach
 553       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 554     endif
 555   endif
 556 endif
 557
 558 _va = get_option('gallium-va')
 559 if not system_has_kms_drm
 560   if _va == 'true'
 561     error('VA state tracker can only be built on unix-like OSes.')
 562   else
 563     _va = 'false'
 564   endif
 565 elif not (with_platform_x11 or with_platform_drm)
 566   if _va == 'true'
 567     error('VA state tracker requires X11 or drm or wayland platform support.')
 568   else
 569     _va = 'false'
 570   endif
 571 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 572   if _va == 'true'
 573     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 574   else
 575     _va = 'false'
 576   endif
 577 endif
 578 with_gallium_va = false
 579 dep_va = null_dep
 580 if _va != 'false'
 581   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 582   if dep_va.found()
 583     dep_va_headers = declare_dependency(
 584       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 585     )
 586     with_gallium_va = true
 587   endif
 588 endif
 589
 590 va_drivers_path = get_option('va-libs-path')
 591 if va_drivers_path == ''
 592   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 593 endif
 594
 595 _xa = get_option('gallium-xa')
 596 if not system_has_kms_drm
 597   if _xa == 'true'
 598     error('XA state tracker can only be built on unix-like OSes.')
 599   else
 600     _xa = 'false'
 601   endif
 602 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 603           or with_gallium_svga)
 604   if _xa == 'true'
 605     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 606   else
 607     _xa = 'false'
 608   endif
 609 endif
 610 with_gallium_xa = _xa != 'false'
 611
 612 d3d_drivers_path = get_option('d3d-drivers-path')
 613 if d3d_drivers_path == ''
 614   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 615 endif
 616
 617 with_gallium_st_nine =  get_option('gallium-nine')
 618 if with_gallium_st_nine
 619   if not with_gallium_softpipe
 620     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 621   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 622             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 623     error('The nine state tracker requires at least on non-swrast gallium driver.')
 624   endif
 625   if not with_dri3
 626     error('Using nine with wine requires dri3')
 627   endif
 628 endif
 629
 630 if get_option('power8') != 'false'
 631   if host_machine.cpu_family() == 'ppc64le'
 632     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 633       error('Altivec is not supported with gcc version < 4.8.')
 634     endif
 635     if cc.compiles('''
 636         #include <altivec.h>
 637         int main() {
 638           vector unsigned char r;
 639           vector unsigned int v = vec_splat_u32 (1);
 640           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 641           return 0;
 642         }''',
 643         args : '-mpower8-vector',
 644         name : 'POWER8 intrinsics')
 645       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 646     elif get_option('power8') == 'true'
 647       error('POWER8 intrinsic support required but not found.')
 648     endif
 649   endif
 650 endif
 651
 652 _opencl = get_option('gallium-opencl')
 653 if _opencl != 'disabled'
 654   if not with_gallium
 655     error('OpenCL Clover implementation requires at least one gallium driver.')
 656   endif
 657
 658   dep_clc = dependency('libclc')
 659   with_gallium_opencl = true
 660   with_opencl_icd = _opencl == 'icd'
 661 else
 662   dep_clc = null_dep
 663   with_gallium_opencl = false
 664   with_gallium_icd = false
 665 endif
 666
 667 gl_pkgconfig_c_flags = []
 668 if with_platform_x11
 669   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 670     pre_args += '-DHAVE_X11_PLATFORM'
 671   endif
 672   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 673     pre_args += '-DUSE_XSHM'
 674   else
 675     pre_args += '-DGLX_INDIRECT_RENDERING'
 676     if with_glx_direct
 677       pre_args += '-DGLX_DIRECT_RENDERING'
 678     endif
 679     if with_dri_platform == 'drm'
 680       pre_args += '-DGLX_USE_DRM'
 681     elif with_dri_platform == 'apple'
 682       pre_args += '-DGLX_USE_APPLEGL'
 683     elif with_dri_platform == 'windows'
 684       pre_args += '-DGLX_USE_WINDOWSGL'
 685     endif
 686   endif
 687 else
 688   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 689   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 690 endif
 691 if with_platform_drm
 692   if with_egl and not with_gbm
 693     error('EGL drm platform requires gbm')
 694   endif
 695   pre_args += '-DHAVE_DRM_PLATFORM'
 696 endif
 697 if with_platform_surfaceless
 698   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 699 endif
 700 if with_platform_android
 701   dep_android = [
 702     dependency('cutils'),
 703     dependency('hardware'),
 704     dependency('sync'),
 705   ]
 706   pre_args += '-DHAVE_ANDROID_PLATFORM'
 707 endif
 708 if with_platform_haiku
 709   pre_args += '-DHAVE_HAIKU_PLATFORM'
 710 endif
 711
 712 prog_python = import('python3').find_python()
 713 has_mako = run_command(
 714   prog_python, '-c',
 715   '''
 716 from distutils.version import StrictVersion
 717 import mako
 718 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 719   ''')
 720 if has_mako.returncode() != 0
 721   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 722 endif
 723
 724 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 725   error('When using GCC, version 4.4.6 or later is required.')
 726 endif
 727
 728 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 729 if get_option('buildtype') == 'debug'
 730   pre_args += '-DDEBUG'
 731 endif
 732
 733 if get_option('shader-cache')
 734   pre_args += '-DENABLE_SHADER_CACHE'
 735 elif with_amd_vk
 736   error('Radv requires shader cache support')
 737 endif
 738
 739 # Check for GCC style builtins
 740 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 741              'ffsll', 'popcount', 'popcountll', 'unreachable']
 742   if cc.has_function(b)
 743     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 744   endif
 745 endforeach
 746
 747 # check for GCC __attribute__
 748 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 749              'warn_unused_result', 'weak',]
 750   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 751                  name : '__attribute__((@0@))'.format(a))
 752     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 753   endif
 754 endforeach
 755 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 756                name : '__attribute__((format(...)))')
 757   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 758 endif
 759 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 760                name : '__attribute__((packed))')
 761   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 762 endif
 763 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 764                name : '__attribute__((returns_nonnull))')
 765   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 766 endif
 767 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 768                   int foo_hid(void) __attribute__((visibility("hidden")));
 769                   int foo_int(void) __attribute__((visibility("internal")));
 770                   int foo_pro(void) __attribute__((visibility("protected")));''',
 771                name : '__attribute__((visibility(...)))')
 772   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 773 endif
 774 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 775                name : '__attribute__((alias(...)))')
 776   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 777 endif
 778 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 779                name : '__attribute__((__noreturn__))')
 780   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 781 endif
 782
 783 # TODO: this is very incomplete
 784 if ['linux', 'cygwin'].contains(host_machine.system())
 785   pre_args += '-D_GNU_SOURCE'
 786 endif
 787
 788 # Check for generic C arguments
 789 c_args = []
 790 foreach a : ['-Werror=implicit-function-declaration',
 791              '-Werror=missing-prototypes', '-Werror=return-type',
 792              '-fno-math-errno',
 793              '-fno-trapping-math', '-Qunused-arguments']
 794   if cc.has_argument(a)
 795     c_args += a
 796   endif
 797 endforeach
 798
 799 foreach a : ['missing-field-initializers', 'format-truncation']
 800   if cc.has_argument('-W' + a)
 801     c_args += '-Wno-' + a
 802   endif
 803 endforeach
 804
 805 c_vis_args = []
 806 if cc.has_argument('-fvisibility=hidden')
 807   c_vis_args += '-fvisibility=hidden'
 808 endif
 809
 810 # Check for generic C++ arguments
 811 cpp_args = []
 812 foreach a : ['-Werror=return-type',
 813              '-fno-math-errno', '-fno-trapping-math',
 814              '-Qunused-arguments']
 815   if cpp.has_argument(a)
 816     cpp_args += a
 817   endif
 818 endforeach
 819
 820 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 821 # option is not supported. Hence, check for -Wfoo instead.
 822
 823 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
 824   if cpp.has_argument('-W' + a)
 825     cpp_args += '-Wno-' + a
 826   endif
 827 endforeach
 828
 829 no_override_init_args = []
 830 foreach a : ['override-init', 'initializer-overrides']
 831   if cc.has_argument('-W' + a)
 832     no_override_init_args += '-Wno-' + a
 833   endif
 834 endforeach
 835
 836 cpp_vis_args = []
 837 if cpp.has_argument('-fvisibility=hidden')
 838   cpp_vis_args += '-fvisibility=hidden'
 839 endif
 840
 841 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 842 # in parts of the mesa code base that need to compile with old versions of
 843 # MSVC, mainly common code
 844 c_msvc_compat_args = []
 845 cpp_msvc_compat_args = []
 846 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 847   if cc.has_argument(a)
 848     c_msvc_compat_args += a
 849   endif
 850   if cpp.has_argument(a)
 851     cpp_msvc_compat_args += a
 852   endif
 853 endforeach
 854
 855 if host_machine.cpu_family().startswith('x86')
 856   pre_args += '-DUSE_SSE41'
 857   with_sse41 = true
 858   sse41_args = ['-msse4.1']
 859
 860   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 861   # that's not guaranteed
 862   if host_machine.cpu_family() == 'x86'
 863     sse41_args += '-mstackrealign'
 864   endif
 865 else
 866   with_sse41 = false
 867   sse41_args = []
 868 endif
 869
 870 # Check for GCC style atomics
 871 dep_atomic = null_dep
 872
 873 if cc.compiles('''#include <stdint.h>
 874                   int main() {
 875                     struct {
 876                       uint64_t *v;
 877                     } x;
 878                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 879                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 880
 881                   }''',
 882                name : 'GCC atomic builtins')
 883   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 884
 885   # Not all atomic calls can be turned into lock-free instructions, in which
 886   # GCC will make calls into the libatomic library. Check whether we need to
 887   # link with -latomic.
 888   #
 889   # This can happen for 64-bit atomic operations on 32-bit architectures such
 890   # as ARM.
 891   if not cc.links('''#include <stdint.h>
 892                      int main() {
 893                        struct {
 894                          uint64_t *v;
 895                        } x;
 896                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 897                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 898                      }''',
 899                   name : 'GCC atomic builtins required -latomic')
 900     dep_atomic = cc.find_library('atomic')
 901   endif
 902 endif
 903 if not cc.links('''#include <stdint.h>
 904                    uint64_t v;
 905                    int main() {
 906                      return __sync_add_and_fetch(&v, (uint64_t)1);
 907                    }''',
 908                 dependencies : dep_atomic,
 909                 name : 'GCC 64bit atomics')
 910   pre_args += '-DMISSING_64BIT_ATOMICS'
 911 endif
 912
 913 # TODO: shared/static? Is this even worth doing?
 914
 915 # When cross compiling we generally need to turn off the use of assembly,
 916 # because mesa's assembly relies on building an executable for the host system,
 917 # and running it to get information about struct sizes. There is at least one
 918 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 919 # host OS == build OS, since in that case the build machine can run the host's
 920 # binaries.
 921 if meson.is_cross_build()
 922   if build_machine.system() != host_machine.system()
 923     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 924     message('Cross compiling from one OS to another, disabling assembly.')
 925     with_asm = false
 926   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 927     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 928     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 929     # case.
 930     # TODO: There may be other cases where the 64 bit version of the
 931     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 932     message('''
 933       Cross compiling to different architectures, and the host cannot run
 934       the build machine's binaries. Disabling assembly.
 935     ''')
 936     with_asm = false
 937   endif
 938 endif
 939
 940 with_asm_arch = ''
 941 if with_asm
 942   if host_machine.cpu_family() == 'x86'
 943     if system_has_kms_drm
 944       with_asm_arch = 'x86'
 945       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 946                    '-DUSE_SSE_ASM']
 947
 948       if with_glx_read_only_text
 949          pre_args += ['-DGLX_X86_READONLY_TEXT']
 950       endif
 951     endif
 952   elif host_machine.cpu_family() == 'x86_64'
 953     if system_has_kms_drm
 954       with_asm_arch = 'x86_64'
 955       pre_args += ['-DUSE_X86_64_ASM']
 956     endif
 957   elif host_machine.cpu_family() == 'arm'
 958     if system_has_kms_drm
 959       with_asm_arch = 'arm'
 960       pre_args += ['-DUSE_ARM_ASM']
 961     endif
 962   elif host_machine.cpu_family() == 'aarch64'
 963     if system_has_kms_drm
 964       with_asm_arch = 'aarch64'
 965       pre_args += ['-DUSE_AARCH64_ASM']
 966     endif
 967   elif host_machine.cpu_family() == 'sparc64'
 968     if system_has_kms_drm
 969       with_asm_arch = 'sparc'
 970       pre_args += ['-DUSE_SPARC_ASM']
 971     endif
 972   elif host_machine.cpu_family() == 'ppc64le'
 973     if system_has_kms_drm
 974       with_asm_arch = 'ppc64le'
 975       pre_args += ['-DUSE_PPC64LE_ASM']
 976     endif
 977   endif
 978 endif
 979
 980 # Check for standard headers and functions
 981 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 982   pre_args += '-DMAJOR_IN_SYSMACROS'
 983 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 984   pre_args += '-DMAJOR_IN_MKDEV'
 985 endif
 986
 987 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
 988   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 989     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 990   endif
 991 endforeach
 992
 993 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 994   if cc.has_function(f)
 995     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 996   endif
 997 endforeach
 998
 999 # strtod locale support
1000 if cc.links('''
1001     #define _GNU_SOURCE
1002     #include <stdlib.h>
1003     #include <locale.h>
1004     #ifdef HAVE_XLOCALE_H
1005     #include <xlocale.h>
1006     #endif
1007     int main() {
1008       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1009       const char *s = "1.0";
1010       char *end;
1011       double d = strtod_l(s, end, loc);
1012       float f = strtof_l(s, end, loc);
1013       freelocale(loc);
1014       return 0;
1015     }''',
1016     args : pre_args,
1017     name : 'strtod has locale support')
1018   pre_args += '-DHAVE_STRTOD_L'
1019 endif
1020
1021 # Check for some linker flags
1022 ld_args_bsymbolic = []
1023 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1024   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1025 endif
1026 ld_args_gc_sections = []
1027 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1028             args : '-Wl,--gc-sections', name : 'gc-sections')
1029   ld_args_gc_sections += '-Wl,--gc-sections'
1030 endif
1031 with_ld_version_script = false
1032 if cc.links('int main() { return 0; }',
1033             args : '-Wl,--version-script=@0@'.format(
1034               join_paths(meson.source_root(), 'build-support/conftest.map')),
1035             name : 'version-script')
1036   with_ld_version_script = true
1037 endif
1038 with_ld_dynamic_list = false
1039 if cc.links('int main() { return 0; }',
1040             args : '-Wl,--dynamic-list=@0@'.format(
1041               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1042             name : 'dynamic-list')
1043   with_ld_dynamic_list = true
1044 endif
1045 ld_args_build_id = []
1046 if build_machine.system() != 'darwin'
1047    ld_args_build_id += '-Wl,--build-id=sha1'
1048 endif
1049
1050 # check for dl support
1051 if cc.has_function('dlopen')
1052   dep_dl = null_dep
1053 else
1054   dep_dl = cc.find_library('dl')
1055 endif
1056 if cc.has_function('dladdr', dependencies : dep_dl)
1057   # This is really only required for megadrivers
1058   pre_args += '-DHAVE_DLADDR'
1059 endif
1060
1061 if cc.has_function('dl_iterate_phdr')
1062   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1063 elif with_intel_vk
1064   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1065 elif with_dri_i965 and get_option('shader-cache')
1066   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1067 endif
1068
1069 # Determine whether or not the rt library is needed for time functions
1070 if cc.has_function('clock_gettime')
1071   dep_clock = null_dep
1072 else
1073   dep_clock = cc.find_library('rt')
1074 endif
1075
1076 # TODO: some of these may be conditional
1077 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1078 pre_args += '-DHAVE_ZLIB'
1079 dep_thread = dependency('threads')
1080 if dep_thread.found() and host_machine.system() != 'windows'
1081   pre_args += '-DHAVE_PTHREAD'
1082   if cc.has_function(
1083       'pthread_setaffinity_np',
1084       dependencies : dep_thread,
1085       prefix : '#include <pthread.h>',
1086       args : '-D_GNU_SOURCE')
1087     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1088   endif
1089 endif
1090 dep_expat = dependency('expat')
1091 # this only exists on linux so either this is linux and it will be found, or
1092 # its not linux and and wont
1093 dep_m = cc.find_library('m', required : false)
1094
1095 # Check for libdrm. various drivers have different libdrm version requirements,
1096 # but we always want to use the same version for all libdrm modules. That means
1097 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1098 # bar are both on use 2.4.3 for both of them
1099 dep_libdrm_amdgpu = null_dep
1100 dep_libdrm_radeon = null_dep
1101 dep_libdrm_nouveau = null_dep
1102 dep_libdrm_etnaviv = null_dep
1103 dep_libdrm_intel = null_dep
1104
1105 _drm_amdgpu_ver = '2.4.95'
1106 _drm_radeon_ver = '2.4.71'
1107 _drm_nouveau_ver = '2.4.66'
1108 _drm_etnaviv_ver = '2.4.89'
1109 _drm_intel_ver = '2.4.75'
1110 _drm_ver = '2.4.75'
1111
1112 _libdrm_checks = [
1113   ['intel', with_dri_i915 or with_gallium_i915],
1114   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1115   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1116               with_gallium_r300 or with_gallium_r600)],
1117   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1118   ['etnaviv', with_gallium_etnaviv],
1119 ]
1120
1121 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1122 # library.
1123 if with_gallium_vc4
1124   _drm_ver = '2.4.89'
1125 endif
1126
1127 # Loop over the enables versions and get the highest libdrm requirement for all
1128 # active drivers.
1129 _drm_blame = ''
1130 foreach d : _libdrm_checks
1131   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1132   if d[1] and ver.version_compare('>' + _drm_ver)
1133     _drm_ver = ver
1134     _drm_blame = d[0]
1135   endif
1136 endforeach
1137 if _drm_blame != ''
1138   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1139 endif
1140
1141 # Then get each libdrm module
1142 foreach d : _libdrm_checks
1143   if d[1]
1144     set_variable(
1145       'dep_libdrm_' + d[0],
1146       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1147     )
1148   endif
1149 endforeach
1150
1151 with_gallium_drisw_kms = false
1152 dep_libdrm = dependency(
1153   'libdrm', version : '>=' + _drm_ver,
1154   required : with_dri2 or with_dri3
1155 )
1156 if dep_libdrm.found()
1157   pre_args += '-DHAVE_LIBDRM'
1158   if with_dri_platform == 'drm' and with_dri
1159     with_gallium_drisw_kms = true
1160   endif
1161 endif
1162
1163 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1164 llvm_optional_modules = []
1165 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1166   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1167   if with_gallium_r600
1168     llvm_modules += 'asmparser'
1169   endif
1170 endif
1171 if with_gallium_opencl
1172   llvm_modules += [
1173     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1174     'lto', 'option', 'objcarcopts', 'profiledata',
1175   ]
1176   llvm_optional_modules += ['coroutines']
1177 endif
1178
1179 if with_amd_vk or with_gallium_radeonsi
1180   _llvm_version = '>= 6.0.0'
1181 elif with_gallium_swr
1182   _llvm_version = '>= 6.0.0'
1183 elif with_gallium_opencl or with_gallium_r600
1184   _llvm_version = '>= 3.9.0'
1185 else
1186   _llvm_version = '>= 3.3.0'
1187 endif
1188
1189 _shared_llvm = get_option('shared-llvm')
1190
1191 _llvm = get_option('llvm')
1192 dep_llvm = null_dep
1193 with_llvm = false
1194 if _llvm != 'false'
1195   dep_llvm = dependency(
1196     'llvm',
1197     version : _llvm_version,
1198     modules : llvm_modules,
1199     optional_modules : llvm_optional_modules,
1200     required : (
1201       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1202       with_gallium_opencl or _llvm == 'true'
1203     ),
1204     static : not _shared_llvm,
1205   )
1206   with_llvm = dep_llvm.found()
1207 endif
1208 if with_llvm
1209   _llvm_version = dep_llvm.version().split('.')
1210
1211   # 3 digits versions in LLVM only started from 3.4.1 on
1212   if dep_llvm.version().version_compare('>= 3.4.1')
1213     _llvm_patch = _llvm_version[2]
1214   else
1215     _llvm_patch = '0'
1216   endif
1217
1218   pre_args += [
1219     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1220     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1221   ]
1222
1223   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1224   # programs, so we need to build all C++ code in mesa without rtti as well to
1225   # ensure that linking works.
1226   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1227     cpp_args += '-fno-rtti'
1228   endif
1229 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1230   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1231 endif
1232
1233 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1234     (with_gallium_r600 and with_llvm))
1235   dep_elf = dependency('libelf', required : false)
1236   if not dep_elf.found()
1237     dep_elf = cc.find_library('elf')
1238   endif
1239 else
1240   dep_elf = null_dep
1241 endif
1242
1243 dep_glvnd = null_dep
1244 if with_glvnd
1245   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1246   pre_args += '-DUSE_LIBGLVND=1'
1247 endif
1248
1249 if with_valgrind != 'false'
1250   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1251   if dep_valgrind.found()
1252     pre_args += '-DHAVE_VALGRIND'
1253   endif
1254 else
1255   dep_valgrind = null_dep
1256 endif
1257
1258 # pthread stubs. Lets not and say we didn't
1259
1260 prog_bison = find_program('bison', required : with_any_opengl)
1261 prog_flex = find_program('flex', required : with_any_opengl)
1262
1263 dep_selinux = null_dep
1264 if get_option('selinux')
1265   dep_selinux = dependency('libselinux')
1266   pre_args += '-DMESA_SELINUX'
1267 endif
1268
1269 if with_libunwind != 'false'
1270   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1271   if dep_unwind.found()
1272     pre_args += '-DHAVE_LIBUNWIND'
1273   endif
1274 else
1275   dep_unwind = null_dep
1276 endif
1277
1278 if with_osmesa != 'none'
1279   if with_osmesa == 'classic' and not with_dri_swrast
1280     error('OSMesa classic requires dri (classic) swrast.')
1281   endif
1282   if with_osmesa == 'gallium' and not with_gallium_softpipe
1283     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1284   endif
1285   osmesa_lib_name = 'OSMesa'
1286   osmesa_bits = get_option('osmesa-bits')
1287   if osmesa_bits != '8'
1288     if with_dri or with_glx != 'disabled'
1289       error('OSMesa bits must be 8 if building glx or dir based drivers')
1290     endif
1291     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1292     pre_args += [
1293       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1294     ]
1295   endif
1296 endif
1297
1298 # TODO: symbol mangling
1299
1300 if with_platform_wayland
1301   dep_wl_scanner = dependency('wayland-scanner', native: true)
1302   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1303   if dep_wl_scanner.version().version_compare('>= 1.15')
1304     wl_scanner_arg = 'private-code'
1305   else
1306     wl_scanner_arg = 'code'
1307   endif
1308   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1309   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1310   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1311   if with_egl
1312     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1313     dep_wayland_egl_headers = declare_dependency(
1314       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1315   endif
1316   wayland_dmabuf_xml = join_paths(
1317     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1318     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1319   )
1320   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1321 endif
1322
1323 dep_x11 = null_dep
1324 dep_xext = null_dep
1325 dep_xdamage = null_dep
1326 dep_xfixes = null_dep
1327 dep_x11_xcb = null_dep
1328 dep_xcb = null_dep
1329 dep_xcb_glx = null_dep
1330 dep_xcb_dri2 = null_dep
1331 dep_xcb_dri3 = null_dep
1332 dep_dri2proto = null_dep
1333 dep_glproto = null_dep
1334 dep_xxf86vm = null_dep
1335 dep_xcb_dri3 = null_dep
1336 dep_xcb_present = null_dep
1337 dep_xcb_sync = null_dep
1338 dep_xcb_xfixes = null_dep
1339 dep_xshmfence = null_dep
1340 dep_xcb_xrandr = null_dep
1341 dep_xlib_xrandr = null_dep
1342 if with_platform_x11
1343   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1344     dep_x11 = dependency('x11')
1345     dep_xext = dependency('xext')
1346     dep_xcb = dependency('xcb')
1347   elif with_glx == 'dri'
1348     dep_x11 = dependency('x11')
1349     dep_xext = dependency('xext')
1350     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1351     dep_xfixes = dependency('xfixes')
1352     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1353     dep_xxf86vm = dependency('xxf86vm', required : false)
1354   endif
1355   if (with_any_vk or with_glx == 'dri' or
1356        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1357         with_gallium_omx != 'disabled'))
1358     dep_xcb = dependency('xcb')
1359     dep_x11_xcb = dependency('x11-xcb')
1360   endif
1361   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1362     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1363
1364     if with_dri3
1365       pre_args += '-DHAVE_DRI3'
1366       dep_xcb_dri3 = dependency('xcb-dri3')
1367       dep_xcb_present = dependency('xcb-present')
1368       # until xcb-dri3 has been around long enough to make a hard-dependency:
1369       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1370           dep_xcb_present.version().version_compare('>= 1.13'))
1371         pre_args += '-DHAVE_DRI3_MODIFIERS'
1372       endif
1373       dep_xcb_sync = dependency('xcb-sync')
1374       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1375     endif
1376   endif
1377   if with_glx == 'dri'
1378     if with_dri_platform == 'drm'
1379       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1380     endif
1381     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1382   endif
1383   if (with_egl or (
1384       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1385       with_gallium_omx != 'disabled'))
1386     dep_xcb_xfixes = dependency('xcb-xfixes')
1387   endif
1388   if with_xlib_lease
1389     dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1390     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1391   endif
1392 endif
1393
1394 if get_option('gallium-extra-hud')
1395   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1396 endif
1397
1398 _sensors = get_option('lmsensors')
1399 if _sensors != 'false'
1400   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1401   if dep_lmsensors.found()
1402     pre_args += '-DHAVE_LIBSENSORS=1'
1403   endif
1404 else
1405   dep_lmsensors = null_dep
1406 endif
1407
1408 foreach a : pre_args
1409   add_project_arguments(a, language : ['c', 'cpp'])
1410 endforeach
1411 foreach a : c_args
1412   add_project_arguments(a, language : ['c'])
1413 endforeach
1414 foreach a : cpp_args
1415   add_project_arguments(a, language : ['cpp'])
1416 endforeach
1417
1418 inc_include = include_directories('include')
1419
1420 gl_priv_reqs = []
1421
1422 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1423   gl_priv_reqs += ['x11', 'xext', 'xcb']
1424 elif with_glx == 'dri'
1425   gl_priv_reqs += [
1426     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1427     'xcb-glx >= 1.8.1']
1428   if with_dri_platform == 'drm'
1429     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1430   endif
1431 endif
1432 if dep_libdrm.found()
1433   gl_priv_reqs += 'libdrm >= 2.4.75'
1434 endif
1435 if dep_xxf86vm.found()
1436   gl_priv_reqs += 'xxf86vm'
1437 endif
1438
1439 gl_priv_libs = []
1440 if dep_thread.found()
1441   gl_priv_libs += ['-lpthread', '-pthread']
1442 endif
1443 if dep_m.found()
1444   gl_priv_libs += '-lm'
1445 endif
1446 if dep_dl.found()
1447   gl_priv_libs += '-ldl'
1448 endif
1449
1450 pkg = import('pkgconfig')
1451
1452 env_test = environment()
1453 env_test.set('NM', find_program('nm').path())
1454
1455 subdir('include')
1456 subdir('bin')
1457 subdir('src')