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 : ['-Wall', '-Werror=implicit-function-declaration',
 791              '-Werror=missing-prototypes', '-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 : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 812              '-Qunused-arguments']
 813   if cpp.has_argument(a)
 814     cpp_args += a
 815   endif
 816 endforeach
 817
 818 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 819 # option is not supported. Hence, check for -Wfoo instead.
 820
 821 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
 822   if cpp.has_argument('-W' + a)
 823     cpp_args += '-Wno-' + a
 824   endif
 825 endforeach
 826
 827 no_override_init_args = []
 828 foreach a : ['override-init', 'initializer-overrides']
 829   if cc.has_argument('-W' + a)
 830     no_override_init_args += '-Wno-' + a
 831   endif
 832 endforeach
 833
 834 cpp_vis_args = []
 835 if cpp.has_argument('-fvisibility=hidden')
 836   cpp_vis_args += '-fvisibility=hidden'
 837 endif
 838
 839 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 840 # in parts of the mesa code base that need to compile with old versions of
 841 # MSVC, mainly common code
 842 c_msvc_compat_args = []
 843 cpp_msvc_compat_args = []
 844 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 845   if cc.has_argument(a)
 846     c_msvc_compat_args += a
 847   endif
 848   if cpp.has_argument(a)
 849     cpp_msvc_compat_args += a
 850   endif
 851 endforeach
 852
 853 if host_machine.cpu_family().startswith('x86')
 854   pre_args += '-DUSE_SSE41'
 855   with_sse41 = true
 856   sse41_args = ['-msse4.1']
 857
 858   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 859   # that's not guaranteed
 860   if host_machine.cpu_family() == 'x86'
 861     sse41_args += '-mstackrealign'
 862   endif
 863 else
 864   with_sse41 = false
 865   sse41_args = []
 866 endif
 867
 868 # Check for GCC style atomics
 869 dep_atomic = null_dep
 870
 871 if cc.compiles('''#include <stdint.h>
 872                   int main() {
 873                     struct {
 874                       uint64_t *v;
 875                     } x;
 876                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 877                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 878
 879                   }''',
 880                name : 'GCC atomic builtins')
 881   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 882
 883   # Not all atomic calls can be turned into lock-free instructions, in which
 884   # GCC will make calls into the libatomic library. Check whether we need to
 885   # link with -latomic.
 886   #
 887   # This can happen for 64-bit atomic operations on 32-bit architectures such
 888   # as ARM.
 889   if not cc.links('''#include <stdint.h>
 890                      int main() {
 891                        struct {
 892                          uint64_t *v;
 893                        } x;
 894                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 895                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 896                      }''',
 897                   name : 'GCC atomic builtins required -latomic')
 898     dep_atomic = cc.find_library('atomic')
 899   endif
 900 endif
 901 if not cc.links('''#include <stdint.h>
 902                    uint64_t v;
 903                    int main() {
 904                      return __sync_add_and_fetch(&v, (uint64_t)1);
 905                    }''',
 906                 name : 'GCC 64bit atomics')
 907   pre_args += '-DMISSING_64_BIT_ATOMICS'
 908 endif
 909
 910 # TODO: shared/static? Is this even worth doing?
 911
 912 # When cross compiling we generally need to turn off the use of assembly,
 913 # because mesa's assembly relies on building an executable for the host system,
 914 # and running it to get information about struct sizes. There is at least one
 915 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 916 # host OS == build OS, since in that case the build machine can run the host's
 917 # binaries.
 918 if meson.is_cross_build()
 919   if build_machine.system() != host_machine.system()
 920     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 921     message('Cross compiling from one OS to another, disabling assembly.')
 922     with_asm = false
 923   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 924     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 925     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 926     # case.
 927     # TODO: There may be other cases where the 64 bit version of the
 928     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 929     message('''
 930       Cross compiling to different architectures, and the host cannot run
 931       the build machine's binaries. Disabling assembly.
 932     ''')
 933     with_asm = false
 934   endif
 935 endif
 936
 937 with_asm_arch = ''
 938 if with_asm
 939   if host_machine.cpu_family() == 'x86'
 940     if system_has_kms_drm
 941       with_asm_arch = 'x86'
 942       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 943                    '-DUSE_SSE_ASM']
 944
 945       if with_glx_read_only_text
 946          pre_args += ['-DGLX_X86_READONLY_TEXT']
 947       endif
 948     endif
 949   elif host_machine.cpu_family() == 'x86_64'
 950     if system_has_kms_drm
 951       with_asm_arch = 'x86_64'
 952       pre_args += ['-DUSE_X86_64_ASM']
 953     endif
 954   elif host_machine.cpu_family() == 'arm'
 955     if system_has_kms_drm
 956       with_asm_arch = 'arm'
 957       pre_args += ['-DUSE_ARM_ASM']
 958     endif
 959   elif host_machine.cpu_family() == 'aarch64'
 960     if system_has_kms_drm
 961       with_asm_arch = 'aarch64'
 962       pre_args += ['-DUSE_AARCH64_ASM']
 963     endif
 964   elif host_machine.cpu_family() == 'sparc64'
 965     if system_has_kms_drm
 966       with_asm_arch = 'sparc'
 967       pre_args += ['-DUSE_SPARC_ASM']
 968     endif
 969   elif host_machine.cpu_family() == 'ppc64le'
 970     if system_has_kms_drm
 971       with_asm_arch = 'ppc64le'
 972       pre_args += ['-DUSE_PPC64LE_ASM']
 973     endif
 974   endif
 975 endif
 976
 977 # Check for standard headers and functions
 978 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 979   pre_args += '-DMAJOR_IN_SYSMACROS'
 980 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 981   pre_args += '-DMAJOR_IN_MKDEV'
 982 endif
 983
 984 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
 985   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 986     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 987   endif
 988 endforeach
 989
 990 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 991   if cc.has_function(f)
 992     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 993   endif
 994 endforeach
 995
 996 # strtod locale support
 997 if cc.links('''
 998     #define _GNU_SOURCE
 999     #include <stdlib.h>
1000     #include <locale.h>
1001     #ifdef HAVE_XLOCALE_H
1002     #include <xlocale.h>
1003     #endif
1004     int main() {
1005       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1006       const char *s = "1.0";
1007       char *end;
1008       double d = strtod_l(s, end, loc);
1009       float f = strtof_l(s, end, loc);
1010       freelocale(loc);
1011       return 0;
1012     }''',
1013     args : pre_args,
1014     name : 'strtod has locale support')
1015   pre_args += '-DHAVE_STRTOD_L'
1016 endif
1017
1018 # Check for some linker flags
1019 ld_args_bsymbolic = []
1020 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1021   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1022 endif
1023 ld_args_gc_sections = []
1024 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1025             args : '-Wl,--gc-sections', name : 'gc-sections')
1026   ld_args_gc_sections += '-Wl,--gc-sections'
1027 endif
1028 with_ld_version_script = false
1029 if cc.links('int main() { return 0; }',
1030             args : '-Wl,--version-script=@0@'.format(
1031               join_paths(meson.source_root(), 'build-support/conftest.map')),
1032             name : 'version-script')
1033   with_ld_version_script = true
1034 endif
1035 with_ld_dynamic_list = false
1036 if cc.links('int main() { return 0; }',
1037             args : '-Wl,--dynamic-list=@0@'.format(
1038               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1039             name : 'dynamic-list')
1040   with_ld_dynamic_list = true
1041 endif
1042 ld_args_build_id = []
1043 if build_machine.system() != 'darwin'
1044    ld_args_build_id += '-Wl,--build-id=sha1'
1045 endif
1046
1047 # check for dl support
1048 if cc.has_function('dlopen')
1049   dep_dl = null_dep
1050 else
1051   dep_dl = cc.find_library('dl')
1052 endif
1053 if cc.has_function('dladdr', dependencies : dep_dl)
1054   # This is really only required for megadrivers
1055   pre_args += '-DHAVE_DLADDR'
1056 endif
1057
1058 if cc.has_function('dl_iterate_phdr')
1059   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1060 elif with_intel_vk
1061   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1062 elif with_dri_i965 and get_option('shader-cache')
1063   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1064 endif
1065
1066 # Determine whether or not the rt library is needed for time functions
1067 if cc.has_function('clock_gettime')
1068   dep_clock = null_dep
1069 else
1070   dep_clock = cc.find_library('rt')
1071 endif
1072
1073 # TODO: some of these may be conditional
1074 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1075 pre_args += '-DHAVE_ZLIB'
1076 dep_thread = dependency('threads')
1077 if dep_thread.found() and host_machine.system() != 'windows'
1078   pre_args += '-DHAVE_PTHREAD'
1079   if cc.has_function(
1080       'pthread_setaffinity_np',
1081       dependencies : dep_thread,
1082       prefix : '#include <pthread.h>',
1083       args : '-D_GNU_SOURCE')
1084     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1085   endif
1086 endif
1087 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1088   dep_elf = dependency('libelf', required : false)
1089   if not dep_elf.found()
1090     dep_elf = cc.find_library('elf')
1091   endif
1092 else
1093   dep_elf = null_dep
1094 endif
1095 dep_expat = dependency('expat')
1096 # this only exists on linux so either this is linux and it will be found, or
1097 # its not linux and and wont
1098 dep_m = cc.find_library('m', required : false)
1099
1100 # Check for libdrm. various drivers have different libdrm version requirements,
1101 # but we always want to use the same version for all libdrm modules. That means
1102 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1103 # bar are both on use 2.4.3 for both of them
1104 dep_libdrm_amdgpu = null_dep
1105 dep_libdrm_radeon = null_dep
1106 dep_libdrm_nouveau = null_dep
1107 dep_libdrm_etnaviv = null_dep
1108 dep_libdrm_freedreno = null_dep
1109 dep_libdrm_intel = null_dep
1110
1111 _drm_amdgpu_ver = '2.4.93'
1112 _drm_radeon_ver = '2.4.71'
1113 _drm_nouveau_ver = '2.4.66'
1114 _drm_etnaviv_ver = '2.4.89'
1115 _drm_freedreno_ver = '2.4.96'
1116 _drm_intel_ver = '2.4.75'
1117 _drm_ver = '2.4.75'
1118
1119 _libdrm_checks = [
1120   ['intel', with_dri_i915 or with_gallium_i915],
1121   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1122   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1123               with_gallium_r300 or with_gallium_r600)],
1124   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1125   ['etnaviv', with_gallium_etnaviv],
1126   ['freedreno', with_gallium_freedreno],
1127 ]
1128
1129 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1130 # library.
1131 if with_gallium_vc4
1132   _drm_ver = '2.4.89'
1133 endif
1134
1135 # Loop over the enables versions and get the highest libdrm requirement for all
1136 # active drivers.
1137 _drm_blame = ''
1138 foreach d : _libdrm_checks
1139   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1140   if d[1] and ver.version_compare('>' + _drm_ver)
1141     _drm_ver = ver
1142     _drm_blame = d[0]
1143   endif
1144 endforeach
1145 if _drm_blame != ''
1146   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1147 endif
1148
1149 # Then get each libdrm module
1150 foreach d : _libdrm_checks
1151   if d[1]
1152     set_variable(
1153       'dep_libdrm_' + d[0],
1154       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1155     )
1156   endif
1157 endforeach
1158
1159 with_gallium_drisw_kms = false
1160 dep_libdrm = dependency(
1161   'libdrm', version : '>=' + _drm_ver,
1162   required : with_dri2 or with_dri3
1163 )
1164 if dep_libdrm.found()
1165   pre_args += '-DHAVE_LIBDRM'
1166   if with_dri_platform == 'drm' and with_dri
1167     with_gallium_drisw_kms = true
1168   endif
1169 endif
1170
1171 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1172 llvm_optional_modules = []
1173 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1174   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1175   if with_gallium_r600
1176     llvm_modules += 'asmparser'
1177   endif
1178 endif
1179 if with_gallium_opencl
1180   llvm_modules += [
1181     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1182     'lto', 'option', 'objcarcopts', 'profiledata',
1183   ]
1184   llvm_optional_modules += ['coroutines']
1185 endif
1186
1187 if with_amd_vk or with_gallium_radeonsi
1188   _llvm_version = '>= 6.0.0'
1189 elif with_gallium_swr
1190   _llvm_version = '>= 6.0.0'
1191 elif with_gallium_opencl or with_gallium_r600
1192   _llvm_version = '>= 3.9.0'
1193 else
1194   _llvm_version = '>= 3.3.0'
1195 endif
1196
1197 _shared_llvm = get_option('shared-llvm')
1198
1199 _llvm = get_option('llvm')
1200 dep_llvm = null_dep
1201 with_llvm = false
1202 if _llvm != 'false'
1203   dep_llvm = dependency(
1204     'llvm',
1205     version : _llvm_version,
1206     modules : llvm_modules,
1207     optional_modules : llvm_optional_modules,
1208     required : (
1209       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1210       with_gallium_opencl or _llvm == 'true'
1211     ),
1212     static : not _shared_llvm,
1213   )
1214   with_llvm = dep_llvm.found()
1215 endif
1216 if with_llvm
1217   _llvm_version = dep_llvm.version().split('.')
1218
1219   # 3 digits versions in LLVM only started from 3.4.1 on
1220   if dep_llvm.version().version_compare('>= 3.4.1')
1221     _llvm_patch = _llvm_version[2]
1222   else
1223     _llvm_patch = '0'
1224   endif
1225
1226   pre_args += [
1227     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1228     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1229   ]
1230
1231   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1232   # programs, so we need to build all C++ code in mesa without rtti as well to
1233   # ensure that linking works.
1234   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1235     cpp_args += '-fno-rtti'
1236   endif
1237 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1238   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1239 endif
1240
1241 dep_glvnd = null_dep
1242 if with_glvnd
1243   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1244   pre_args += '-DUSE_LIBGLVND=1'
1245 endif
1246
1247 if with_valgrind != 'false'
1248   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1249   if dep_valgrind.found()
1250     pre_args += '-DHAVE_VALGRIND'
1251   endif
1252 else
1253   dep_valgrind = null_dep
1254 endif
1255
1256 # pthread stubs. Lets not and say we didn't
1257
1258 prog_bison = find_program('bison', required : with_any_opengl)
1259 prog_flex = find_program('flex', required : with_any_opengl)
1260
1261 dep_selinux = null_dep
1262 if get_option('selinux')
1263   dep_selinux = dependency('libselinux')
1264   pre_args += '-DMESA_SELINUX'
1265 endif
1266
1267 if with_libunwind != 'false'
1268   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1269   if dep_unwind.found()
1270     pre_args += '-DHAVE_LIBUNWIND'
1271   endif
1272 else
1273   dep_unwind = null_dep
1274 endif
1275
1276 if with_osmesa != 'none'
1277   if with_osmesa == 'classic' and not with_dri_swrast
1278     error('OSMesa classic requires dri (classic) swrast.')
1279   endif
1280   if with_osmesa == 'gallium' and not with_gallium_softpipe
1281     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1282   endif
1283   osmesa_lib_name = 'OSMesa'
1284   osmesa_bits = get_option('osmesa-bits')
1285   if osmesa_bits != '8'
1286     if with_dri or with_glx != 'disabled'
1287       error('OSMesa bits must be 8 if building glx or dir based drivers')
1288     endif
1289     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1290     pre_args += [
1291       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1292     ]
1293   endif
1294 endif
1295
1296 # TODO: symbol mangling
1297
1298 if with_platform_wayland
1299   dep_wl_scanner = dependency('wayland-scanner', native: true)
1300   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1301   if dep_wl_scanner.version().version_compare('>= 1.15')
1302     wl_scanner_arg = 'private-code'
1303   else
1304     wl_scanner_arg = 'code'
1305   endif
1306   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1307   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1308   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1309   if with_egl
1310     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1311     dep_wayland_egl_headers = declare_dependency(
1312       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1313   endif
1314   wayland_dmabuf_xml = join_paths(
1315     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1316     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1317   )
1318   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1319 else
1320   prog_wl_scanner = []
1321   wl_scanner_arg = ''
1322   dep_wl_protocols = null_dep
1323   dep_wayland_client = null_dep
1324   dep_wayland_server = null_dep
1325   wayland_dmabuf_xml = ''
1326 endif
1327
1328 dep_x11 = null_dep
1329 dep_xext = null_dep
1330 dep_xdamage = null_dep
1331 dep_xfixes = null_dep
1332 dep_x11_xcb = null_dep
1333 dep_xcb = null_dep
1334 dep_xcb_glx = null_dep
1335 dep_xcb_dri2 = null_dep
1336 dep_xcb_dri3 = null_dep
1337 dep_dri2proto = null_dep
1338 dep_glproto = null_dep
1339 dep_xxf86vm = null_dep
1340 dep_xcb_dri3 = null_dep
1341 dep_xcb_present = null_dep
1342 dep_xcb_sync = null_dep
1343 dep_xcb_xfixes = null_dep
1344 dep_xshmfence = null_dep
1345 dep_xcb_xrandr = null_dep
1346 dep_xlib_xrandr = null_dep
1347 if with_platform_x11
1348   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1349     dep_x11 = dependency('x11')
1350     dep_xext = dependency('xext')
1351     dep_xcb = dependency('xcb')
1352   elif with_glx == 'dri'
1353     dep_x11 = dependency('x11')
1354     dep_xext = dependency('xext')
1355     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1356     dep_xfixes = dependency('xfixes')
1357     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1358     dep_xxf86vm = dependency('xxf86vm', required : false)
1359   endif
1360   if (with_any_vk or with_glx == 'dri' or
1361        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1362         with_gallium_omx != 'disabled'))
1363     dep_xcb = dependency('xcb')
1364     dep_x11_xcb = dependency('x11-xcb')
1365   endif
1366   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1367     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1368
1369     if with_dri3
1370       pre_args += '-DHAVE_DRI3'
1371       dep_xcb_dri3 = dependency('xcb-dri3')
1372       dep_xcb_present = dependency('xcb-present')
1373       # until xcb-dri3 has been around long enough to make a hard-dependency:
1374       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1375           dep_xcb_present.version().version_compare('>= 1.13'))
1376         pre_args += '-DHAVE_DRI3_MODIFIERS'
1377       endif
1378       dep_xcb_sync = dependency('xcb-sync')
1379       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1380     endif
1381   endif
1382   if with_glx == 'dri'
1383     if with_dri_platform == 'drm'
1384       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1385     endif
1386     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1387   endif
1388   if (with_egl or (
1389       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1390       with_gallium_omx != 'disabled'))
1391     dep_xcb_xfixes = dependency('xcb-xfixes')
1392   endif
1393   if with_xlib_lease
1394     dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1395     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1396   endif
1397 endif
1398
1399 if get_option('gallium-extra-hud')
1400   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1401 endif
1402
1403 _sensors = get_option('lmsensors')
1404 if _sensors != 'false'
1405   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1406   if dep_lmsensors.found()
1407     pre_args += '-DHAVE_LIBSENSORS=1'
1408   endif
1409 else
1410   dep_lmsensors = null_dep
1411 endif
1412
1413 foreach a : pre_args
1414   add_project_arguments(a, language : ['c', 'cpp'])
1415 endforeach
1416 foreach a : c_args
1417   add_project_arguments(a, language : ['c'])
1418 endforeach
1419 foreach a : cpp_args
1420   add_project_arguments(a, language : ['cpp'])
1421 endforeach
1422
1423 inc_include = include_directories('include')
1424
1425 gl_priv_reqs = []
1426
1427 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1428   gl_priv_reqs += ['x11', 'xext', 'xcb']
1429 elif with_glx == 'dri'
1430   gl_priv_reqs += [
1431     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1432     'xcb-glx >= 1.8.1']
1433   if with_dri_platform == 'drm'
1434     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1435   endif
1436 endif
1437 if dep_libdrm.found()
1438   gl_priv_reqs += 'libdrm >= 2.4.75'
1439 endif
1440 if dep_xxf86vm.found()
1441   gl_priv_reqs += 'xxf86vm'
1442 endif
1443
1444 gl_priv_libs = []
1445 if dep_thread.found()
1446   gl_priv_libs += ['-lpthread', '-pthread']
1447 endif
1448 if dep_m.found()
1449   gl_priv_libs += '-lm'
1450 endif
1451 if dep_dl.found()
1452   gl_priv_libs += '-ldl'
1453 endif
1454
1455 pkg = import('pkgconfig')
1456
1457 env_test = environment()
1458 env_test.set('NM', find_program('nm').path())
1459
1460 subdir('include')
1461 subdir('bin')
1462 subdir('src')