meson.build

   1 # Copyright © 2017-2018 Intel Corporation
   2
   3 # Permission is hereby granted, free of charge, to any person obtaining a copy
   4 # of this software and associated documentation files (the "Software"), to deal
   5 # in the Software without restriction, including without limitation the rights
   6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7 # copies of the Software, and to permit persons to whom the Software is
   8 # furnished to do so, subject to the following conditions:
   9
  10 # The above copyright notice and this permission notice shall be included in
  11 # all copies or substantial portions of the Software.
  12
  13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  19 # SOFTWARE.
  20
  21 project(
  22   'mesa',
  23   ['c', 'cpp'],
  24   version : run_command(
  25     [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
  26   ).stdout(),
  27   license : 'MIT',
  28   meson_version : '>= 0.44.1',
  29   default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
  30 )
  31
  32 null_dep = dependency('', required : false)
  33
  34 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  35
  36 # Arguments for the preprocessor, put these in a separate array from the C and
  37 # C++ (cpp in meson terminology) arguments since they need to be added to the
  38 # default arguments for both C and C++.
  39 pre_args = [
  40   '-D__STDC_CONSTANT_MACROS',
  41   '-D__STDC_FORMAT_MACROS',
  42   '-D__STDC_LIMIT_MACROS',
  43   '-DVERSION="@0@"'.format(meson.project_version()),
  44   '-DPACKAGE_VERSION=VERSION',
  45   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  46 ]
  47
  48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  49 with_tests = get_option('build-tests')
  50 with_valgrind = get_option('valgrind')
  51 with_libunwind = get_option('libunwind')
  52 with_asm = get_option('asm')
  53 with_osmesa = get_option('osmesa')
  54 with_swr_arches = get_option('swr-arches')
  55 with_tools = get_option('tools')
  56 if with_tools.contains('all')
  57   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
  58 endif
  59 if get_option('texture-float')
  60   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  61   warning('Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  62 endif
  63
  64 dri_drivers_path = get_option('dri-drivers-path')
  65 if dri_drivers_path == ''
  66   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  67 endif
  68 dri_search_path = get_option('dri-search-path')
  69 if dri_search_path == ''
  70   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  71 endif
  72
  73 with_gles1 = get_option('gles1')
  74 with_gles2 = get_option('gles2')
  75 with_opengl = get_option('opengl')
  76 with_any_opengl = with_opengl or with_gles1 or with_gles2
  77 # Only build shared_glapi if at least one OpenGL API is enabled
  78 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  79
  80
  81 # shared-glapi is required if at least two OpenGL APIs are being built
  82 if not with_shared_glapi
  83   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  84       or (with_gles2 and with_opengl))
  85     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  86   endif
  87 endif
  88
  89 # We require OpenGL for OpenGL ES
  90 if (with_gles1 or with_gles2) and not with_opengl
  91   error('building OpenGL ES without OpenGL is not supported.')
  92 endif
  93
  94 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  95
  96 _drivers = get_option('dri-drivers')
  97 if _drivers.contains('auto')
  98   if system_has_kms_drm
  99     # TODO: PPC, Sparc
 100     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 101       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 102     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 103       _drivers = ['']
 104     else
 105       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 106     endif
 107   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 108     # only swrast would make sense here, but gallium swrast is a much better default
 109     _drivers = ['']
 110   else
 111     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 112   endif
 113 endif
 114
 115 with_dri_i915 = _drivers.contains('i915')
 116 with_dri_i965 = _drivers.contains('i965')
 117 with_dri_r100 = _drivers.contains('r100')
 118 with_dri_r200 = _drivers.contains('r200')
 119 with_dri_nouveau = _drivers.contains('nouveau')
 120 with_dri_swrast = _drivers.contains('swrast')
 121
 122 with_dri = _drivers.length() != 0 and _drivers != ['']
 123
 124 _drivers = get_option('gallium-drivers')
 125 if _drivers.contains('auto')
 126   if system_has_kms_drm
 127     # TODO: PPC, Sparc
 128     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 129       _drivers = [
 130         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 131       ]
 132     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 133       _drivers = [
 134         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 135         'tegra', 'virgl', 'swrast',
 136       ]
 137     else
 138       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 139     endif
 140   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 141     _drivers = ['swrast']
 142   else
 143     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 144   endif
 145 endif
 146 with_gallium_pl111 = _drivers.contains('pl111')
 147 with_gallium_radeonsi = _drivers.contains('radeonsi')
 148 with_gallium_r300 = _drivers.contains('r300')
 149 with_gallium_r600 = _drivers.contains('r600')
 150 with_gallium_nouveau = _drivers.contains('nouveau')
 151 with_gallium_freedreno = _drivers.contains('freedreno')
 152 with_gallium_softpipe = _drivers.contains('swrast')
 153 with_gallium_vc4 = _drivers.contains('vc4')
 154 with_gallium_v3d = _drivers.contains('v3d')
 155 with_gallium_etnaviv = _drivers.contains('etnaviv')
 156 with_gallium_imx = _drivers.contains('imx')
 157 with_gallium_tegra = _drivers.contains('tegra')
 158 with_gallium_i915 = _drivers.contains('i915')
 159 with_gallium_svga = _drivers.contains('svga')
 160 with_gallium_virgl = _drivers.contains('virgl')
 161 with_gallium_swr = _drivers.contains('swr')
 162
 163 with_gallium = _drivers.length() != 0 and _drivers != ['']
 164
 165 if with_gallium and system_has_kms_drm
 166   _glx = get_option('glx')
 167   _egl = get_option('egl')
 168   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 169     with_dri = true
 170   endif
 171 endif
 172
 173 with_intel_vk = false
 174 with_amd_vk = false
 175 with_any_vk = false
 176 _vulkan_drivers = get_option('vulkan-drivers')
 177 if _vulkan_drivers.contains('auto')
 178   if system_has_kms_drm
 179     if host_machine.cpu_family().startswith('x86')
 180       _vulkan_drivers = ['amd', 'intel']
 181     else
 182       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 183     endif
 184   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 185     # No vulkan driver supports windows or macOS currently
 186     _vulkan_drivers = ['']
 187   else
 188     error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 189   endif
 190 endif
 191 if _vulkan_drivers != ['']
 192   with_intel_vk = _vulkan_drivers.contains('intel')
 193   with_amd_vk = _vulkan_drivers.contains('amd')
 194   with_any_vk = true
 195 endif
 196
 197 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 198   error('Only one swrast provider can be built')
 199 endif
 200 if with_dri_i915 and with_gallium_i915
 201   error('Only one i915 provider can be built')
 202 endif
 203 if with_gallium_imx and not with_gallium_etnaviv
 204   error('IMX driver requires etnaviv driver')
 205 endif
 206 if with_gallium_pl111 and not with_gallium_vc4
 207   error('pl111 driver requires vc4 driver')
 208 endif
 209 if with_gallium_tegra and not with_gallium_nouveau
 210   error('tegra driver requires nouveau driver')
 211 endif
 212
 213 if host_machine.system() == 'darwin'
 214   with_dri_platform = 'apple'
 215 elif ['windows', 'cygwin'].contains(host_machine.system())
 216   with_dri_platform = 'windows'
 217 elif system_has_kms_drm
 218   with_dri_platform = 'drm'
 219 else
 220   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 221   # assert here that one of those cases has been met.
 222   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 223   # support Hurd at time of writing (2017/11)
 224   # FIXME: illumos ends up here as well
 225   with_dri_platform = 'none'
 226 endif
 227
 228 with_platform_android = false
 229 with_platform_wayland = false
 230 with_platform_x11 = false
 231 with_platform_drm = false
 232 with_platform_surfaceless = false
 233 egl_native_platform = ''
 234 _platforms = get_option('platforms')
 235 if _platforms.contains('auto')
 236   if system_has_kms_drm
 237     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 238   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 239     _platforms = ['x11', 'surfaceless']
 240   elif ['haiku'].contains(host_machine.system())
 241     _platforms = ['haiku']
 242   else
 243     error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
 244   endif
 245 endif
 246 if _platforms != ['']
 247   with_platform_android = _platforms.contains('android')
 248   with_platform_x11 = _platforms.contains('x11')
 249   with_platform_wayland = _platforms.contains('wayland')
 250   with_platform_drm = _platforms.contains('drm')
 251   with_platform_haiku = _platforms.contains('haiku')
 252   with_platform_surfaceless = _platforms.contains('surfaceless')
 253   egl_native_platform = _platforms[0]
 254 endif
 255
 256 with_glx = get_option('glx')
 257 if with_glx == 'auto'
 258   if with_dri
 259     with_glx = 'dri'
 260   elif with_platform_haiku
 261     with_glx = 'disabled'
 262   elif with_gallium
 263     # Even when building just gallium drivers the user probably wants dri
 264     with_glx = 'dri'
 265     with_dri = true
 266   elif with_platform_x11 and with_any_opengl and not with_any_vk
 267     # The automatic behavior should not be to turn on xlib based glx when
 268     # building only vulkan drivers
 269     with_glx = 'xlib'
 270   else
 271     with_glx = 'disabled'
 272   endif
 273 endif
 274
 275 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 276   with_gles1 = false
 277   with_gles2 = false
 278   with_opengl = false
 279   with_any_opengl = false
 280   with_shared_glapi = false
 281 endif
 282
 283 _gbm = get_option('gbm')
 284 if _gbm == 'auto'
 285   with_gbm = system_has_kms_drm and with_dri
 286 else
 287   with_gbm = _gbm == 'true'
 288 endif
 289 if with_gbm and not system_has_kms_drm
 290   error('GBM only supports DRM/KMS platforms')
 291 endif
 292
 293 _egl = get_option('egl')
 294 if _egl == 'auto'
 295   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 296 elif _egl == 'true'
 297   if not with_dri
 298     error('EGL requires dri')
 299   elif not with_shared_glapi
 300     error('EGL requires shared-glapi')
 301   elif egl_native_platform == ''
 302     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 303   elif not ['disabled', 'dri'].contains(with_glx)
 304     error('EGL requires dri, but a GLX is being built without dri')
 305   endif
 306   with_egl = true
 307 else
 308   with_egl = false
 309 endif
 310
 311 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 312   if with_gallium_radeonsi
 313     error('RadeonSI requires drm or surfaceless platform when using EGL')
 314   endif
 315   if with_gallium_virgl
 316     error('Virgl requires drm or surfaceless platform when using EGL')
 317   endif
 318 endif
 319
 320 pre_args += '-DGLX_USE_TLS'
 321 if with_glx != 'disabled'
 322   if not (with_platform_x11 and with_any_opengl)
 323     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 324   elif with_glx == 'gallium-xlib'
 325     if not with_gallium
 326       error('Gallium-xlib based GLX requires at least one gallium driver')
 327     elif not with_gallium_softpipe
 328       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 329     elif with_dri
 330       error('gallium-xlib conflicts with any dri driver')
 331     endif
 332   elif with_glx == 'xlib'
 333     if with_dri
 334       error('xlib conflicts with any dri driver')
 335     endif
 336   elif with_glx == 'dri'
 337     if not with_dri
 338       error('dri based GLX requires at least one DRI driver')
 339     elif not with_shared_glapi
 340       error('dri based GLX requires shared-glapi')
 341     endif
 342   endif
 343 endif
 344
 345 with_glvnd = get_option('glvnd')
 346 if with_glvnd
 347   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 348     error('Cannot build glvnd support for GLX that is not DRI based.')
 349   elif with_glx == 'disabled' and not with_egl
 350     error('glvnd requires DRI based GLX and/or EGL')
 351   endif
 352 endif
 353
 354 # TODO: toggle for this
 355 with_glx_direct = true
 356
 357 if with_vulkan_icd_dir == ''
 358   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 359 endif
 360
 361 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 362 _dri3 = get_option('dri3')
 363 if _dri3 == 'auto'
 364   with_dri3 = system_has_kms_drm and with_dri2
 365 else
 366   with_dri3 = _dri3 == 'true'
 367 endif
 368
 369 if with_any_vk and (with_platform_x11 and not with_dri3)
 370   error('Vulkan drivers require dri3 for X11 support')
 371 endif
 372 if with_dri or with_gallium
 373   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 374     error('building dri or gallium drivers require at least one window system')
 375   endif
 376 endif
 377
 378 prog_pkgconfig = find_program('pkg-config')
 379
 380 _vdpau = get_option('gallium-vdpau')
 381 if not system_has_kms_drm
 382   if _vdpau == 'true'
 383     error('VDPAU state tracker can only be build on unix-like OSes.')
 384   else
 385     _vdpau = 'false'
 386   endif
 387 elif not with_platform_x11
 388   if _vdpau == 'true'
 389     error('VDPAU state tracker requires X11 support.')
 390   else
 391     _vdpau = 'false'
 392   endif
 393 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 394           with_gallium_nouveau)
 395   if _vdpau == 'true'
 396     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 397   else
 398     _vdpau = 'false'
 399   endif
 400 elif _vdpau == 'auto'
 401   _vdpau = 'true'
 402 endif
 403 with_gallium_vdpau = _vdpau == 'true'
 404 dep_vdpau = null_dep
 405 if with_gallium_vdpau
 406   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 407   dep_vdpau = declare_dependency(
 408     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 409   )
 410 endif
 411
 412 if with_gallium_vdpau
 413   pre_args += '-DHAVE_ST_VDPAU'
 414 endif
 415 vdpau_drivers_path = get_option('vdpau-libs-path')
 416 if vdpau_drivers_path == ''
 417   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 418 endif
 419
 420 _xvmc = get_option('gallium-xvmc')
 421 if not system_has_kms_drm
 422   if _xvmc == 'true'
 423     error('XVMC state tracker can only be build on unix-like OSes.')
 424   else
 425     _xvmc = 'false'
 426   endif
 427 elif not with_platform_x11
 428   if _xvmc == 'true'
 429     error('XVMC state tracker requires X11 support.')
 430   else
 431     _xvmc = 'false'
 432   endif
 433 elif not (with_gallium_r600 or with_gallium_nouveau)
 434   if _xvmc == 'true'
 435     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 436   else
 437     _xvmc = 'false'
 438   endif
 439 elif _xvmc == 'auto'
 440   _xvmc = 'true'
 441 endif
 442 with_gallium_xvmc = _xvmc == 'true'
 443 dep_xvmc = null_dep
 444 if with_gallium_xvmc
 445   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 446 endif
 447
 448 xvmc_drivers_path = get_option('xvmc-libs-path')
 449 if xvmc_drivers_path == ''
 450   xvmc_drivers_path = get_option('libdir')
 451 endif
 452
 453 _omx = get_option('gallium-omx')
 454 if not system_has_kms_drm
 455   if ['auto', 'disabled'].contains(_omx)
 456     _omx = 'disabled'
 457   else
 458     error('OMX state tracker can only be built on unix-like OSes.')
 459   endif
 460 elif not (with_platform_x11 or with_platform_drm)
 461   if ['auto', 'disabled'].contains(_omx)
 462     _omx = 'disabled'
 463   else
 464     error('OMX state tracker requires X11 or drm platform support.')
 465   endif
 466 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 467   if ['auto', 'disabled'].contains(_omx)
 468     _omx = 'disabled'
 469   else
 470     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 471   endif
 472 endif
 473 with_gallium_omx = _omx
 474 dep_omx = null_dep
 475 dep_omx_other = []
 476 if ['auto', 'bellagio'].contains(_omx)
 477   dep_omx = dependency(
 478     'libomxil-bellagio', required : _omx == 'bellagio'
 479   )
 480   if dep_omx.found()
 481     with_gallium_omx = 'bellagio'
 482   endif
 483 endif
 484 if ['auto', 'tizonia'].contains(_omx)
 485   if with_dri and with_egl
 486     dep_omx = dependency(
 487       'libtizonia', version : '>= 0.10.0',
 488       required : _omx == 'tizonia',
 489     )
 490     dep_omx_other = [
 491       dependency('libtizplatform', required : _omx == 'tizonia'),
 492       dependency('tizilheaders', required : _omx == 'tizonia'),
 493     ]
 494     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 495       with_gallium_omx = 'tizonia'
 496     endif
 497   elif _omx == 'tizonia'
 498     error('OMX-Tizonia state tracker requires dri and egl')
 499   endif
 500 endif
 501 if _omx == 'auto'
 502   with_gallium_omx = 'disabled'
 503 else
 504   with_gallium_omx = _omx
 505 endif
 506
 507 pre_args += [
 508   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 509   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 510 ]
 511
 512
 513 omx_drivers_path = get_option('omx-libs-path')
 514
 515 if with_gallium_omx != 'disabled'
 516   # Figure out where to put the omx driver.
 517   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 518   # argument to meson's get_pkgconfig_variable method.
 519   if omx_drivers_path == ''
 520     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 521     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 522     if _omx_libdir == get_option('libdir')
 523       omx_drivers_path = _omx_drivers_dir
 524     else
 525       _omx_base_dir = []
 526       # This will fail on windows. Does OMX run on windows?
 527       _omx_libdir = _omx_libdir.split('/')
 528       _omx_drivers_dir = _omx_drivers_dir.split('/')
 529       foreach o : _omx_drivers_dir
 530         if not _omx_libdir.contains(o)
 531           _omx_base_dir += o
 532         endif
 533       endforeach
 534       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 535     endif
 536   endif
 537 endif
 538
 539 _va = get_option('gallium-va')
 540 if not system_has_kms_drm
 541   if _va == 'true'
 542     error('VA state tracker can only be built on unix-like OSes.')
 543   else
 544     _va = 'false'
 545   endif
 546 elif not (with_platform_x11 or with_platform_drm)
 547   if _va == 'true'
 548     error('VA state tracker requires X11 or drm or wayland platform support.')
 549   else
 550     _va = 'false'
 551   endif
 552 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 553   if _va == 'true'
 554     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 555   else
 556     _va = 'false'
 557   endif
 558 elif _va == 'auto'
 559   _va = 'true'
 560 endif
 561 with_gallium_va = _va == 'true'
 562 dep_va = null_dep
 563 if with_gallium_va
 564   dep_va = dependency('libva', version : '>= 0.39.0')
 565   dep_va_headers = declare_dependency(
 566     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 567   )
 568 endif
 569
 570 va_drivers_path = get_option('va-libs-path')
 571 if va_drivers_path == ''
 572   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 573 endif
 574
 575 _xa = get_option('gallium-xa')
 576 if not system_has_kms_drm
 577   if _xa == 'true'
 578     error('XA state tracker can only be built on unix-like OSes.')
 579   else
 580     _xa = 'false'
 581   endif
 582 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 583           or with_gallium_svga)
 584   if _xa == 'true'
 585     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 586   else
 587     _xa = 'false'
 588   endif
 589 endif
 590 with_gallium_xa = _xa != 'false'
 591
 592 d3d_drivers_path = get_option('d3d-drivers-path')
 593 if d3d_drivers_path == ''
 594   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 595 endif
 596
 597 with_gallium_st_nine =  get_option('gallium-nine')
 598 if with_gallium_st_nine
 599   if not with_gallium_softpipe
 600     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 601   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 602             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 603     error('The nine state tracker requires at least on non-swrast gallium driver.')
 604   endif
 605   if not with_dri3
 606     error('Using nine with wine requires dri3')
 607   endif
 608 endif
 609
 610 _opencl = get_option('gallium-opencl')
 611 if _opencl != 'disabled'
 612   if not with_gallium
 613     error('OpenCL Clover implementation requires at least one gallium driver.')
 614   endif
 615
 616   # TODO: alitvec?
 617   dep_clc = dependency('libclc')
 618   with_gallium_opencl = true
 619   with_opencl_icd = _opencl == 'icd'
 620 else
 621   dep_clc = null_dep
 622   with_gallium_opencl = false
 623   with_gallium_icd = false
 624 endif
 625
 626 gl_pkgconfig_c_flags = []
 627 if with_platform_x11
 628   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 629     pre_args += '-DHAVE_X11_PLATFORM'
 630   endif
 631   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 632     pre_args += '-DUSE_XSHM'
 633   else
 634     pre_args += '-DGLX_INDIRECT_RENDERING'
 635     if with_glx_direct
 636       pre_args += '-DGLX_DIRECT_RENDERING'
 637     endif
 638     if with_dri_platform == 'drm'
 639       pre_args += '-DGLX_USE_DRM'
 640     elif with_dri_platform == 'apple'
 641       pre_args += '-DGLX_USE_APPLEGL'
 642     elif with_dri_platform == 'windows'
 643       pre_args += '-DGLX_USE_WINDOWSGL'
 644     endif
 645   endif
 646 else
 647   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 648   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 649 endif
 650 if with_platform_drm
 651   if with_egl and not with_gbm
 652     error('EGL drm platform requires gbm')
 653   endif
 654   pre_args += '-DHAVE_DRM_PLATFORM'
 655 endif
 656 if with_platform_surfaceless
 657   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 658 endif
 659 if with_platform_android
 660   dep_android = [
 661     dependency('cutils'),
 662     dependency('hardware'),
 663     dependency('sync'),
 664   ]
 665   pre_args += '-DHAVE_ANDROID_PLATFORM'
 666 endif
 667 if with_platform_haiku
 668   pre_args += '-DHAVE_HAIKU_PLATFORM'
 669 endif
 670
 671 prog_python2 = find_program('python2')
 672 has_mako = run_command(prog_python2, '-c', 'import mako')
 673 if has_mako.returncode() != 0
 674   error('Python (2.x) mako module required to build mesa.')
 675 endif
 676
 677 cc = meson.get_compiler('c')
 678 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 679   error('When using GCC, version 4.4.6 or later is required.')
 680 endif
 681
 682 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 683 if get_option('buildtype') == 'debug'
 684   pre_args += '-DDEBUG'
 685 endif
 686
 687 if get_option('shader-cache')
 688   pre_args += '-DENABLE_SHADER_CACHE'
 689 elif with_amd_vk
 690   error('Radv requires shader cache support')
 691 endif
 692
 693 # Check for GCC style builtins
 694 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 695              'ffsll', 'popcount', 'popcountll', 'unreachable']
 696   if cc.has_function(b)
 697     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 698   endif
 699 endforeach
 700
 701 # check for GCC __attribute__
 702 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 703              'warn_unused_result', 'weak',]
 704   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 705                  name : '__attribute__((@0@))'.format(a))
 706     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 707   endif
 708 endforeach
 709 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 710                name : '__attribute__((format(...)))')
 711   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 712 endif
 713 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 714                name : '__attribute__((packed))')
 715   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 716 endif
 717 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 718                name : '__attribute__((returns_nonnull))')
 719   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 720 endif
 721 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 722                   int foo_hid(void) __attribute__((visibility("hidden")));
 723                   int foo_int(void) __attribute__((visibility("internal")));
 724                   int foo_pro(void) __attribute__((visibility("protected")));''',
 725                name : '__attribute__((visibility(...)))')
 726   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 727 endif
 728 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 729                name : '__attribute__((alias(...)))')
 730   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 731 endif
 732 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 733                name : '__attribute__((__noreturn__))')
 734   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 735 endif
 736
 737 # TODO: this is very incomplete
 738 if ['linux', 'cygwin'].contains(host_machine.system())
 739   pre_args += '-D_GNU_SOURCE'
 740 endif
 741
 742 # Check for generic C arguments
 743 c_args = []
 744 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 745              '-Werror=missing-prototypes', '-fno-math-errno',
 746              '-fno-trapping-math', '-Qunused-arguments']
 747   if cc.has_argument(a)
 748     c_args += a
 749   endif
 750 endforeach
 751 c_vis_args = []
 752 if cc.has_argument('-fvisibility=hidden')
 753   c_vis_args += '-fvisibility=hidden'
 754 endif
 755
 756 # Check for generic C++ arguments
 757 cpp = meson.get_compiler('cpp')
 758 cpp_args = []
 759 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 760              '-Qunused-arguments']
 761   if cpp.has_argument(a)
 762     cpp_args += a
 763   endif
 764 endforeach
 765
 766 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 767 # option is not supported. Hence, check for -Wfoo instead.
 768 if cpp.has_argument('-Wnon-virtual-dtor')
 769   cpp_args += '-Wno-non-virtual-dtor'
 770 endif
 771
 772 no_override_init_args = []
 773 foreach a : ['override-init', 'initializer-overrides']
 774   if cc.has_argument('-W' + a)
 775     no_override_init_args += '-Wno-' + a
 776   endif
 777 endforeach
 778
 779 cpp_vis_args = []
 780 if cpp.has_argument('-fvisibility=hidden')
 781   cpp_vis_args += '-fvisibility=hidden'
 782 endif
 783
 784 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 785 # in parts of the mesa code base that need to compile with old versions of
 786 # MSVC, mainly common code
 787 c_msvc_compat_args = []
 788 cpp_msvc_compat_args = []
 789 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 790   if cc.has_argument(a)
 791     c_msvc_compat_args += a
 792   endif
 793   if cpp.has_argument(a)
 794     cpp_msvc_compat_args += a
 795   endif
 796 endforeach
 797
 798 if host_machine.cpu_family().startswith('x86')
 799   pre_args += '-DUSE_SSE41'
 800   with_sse41 = true
 801   sse41_args = ['-msse4.1']
 802
 803   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 804   # that's not guaranteed
 805   if host_machine.cpu_family() == 'x86'
 806     sse41_args += '-mstackrealign'
 807   endif
 808 else
 809   with_sse41 = false
 810   sse41_args = []
 811 endif
 812
 813 # Check for GCC style atomics
 814 dep_atomic = null_dep
 815
 816 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 817                name : 'GCC atomic builtins')
 818   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 819
 820   # Not all atomic calls can be turned into lock-free instructions, in which
 821   # GCC will make calls into the libatomic library. Check whether we need to
 822   # link with -latomic.
 823   #
 824   # This can happen for 64-bit atomic operations on 32-bit architectures such
 825   # as ARM.
 826   if not cc.links('''#include <stdint.h>
 827                      int main() {
 828                        struct {
 829                          uint64_t *v;
 830                        } x;
 831                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE);
 832                      }''',
 833                   name : 'GCC atomic builtins required -latomic')
 834     dep_atomic = cc.find_library('atomic')
 835   endif
 836 endif
 837 if not cc.links('''#include <stdint.h>
 838                    uint64_t v;
 839                    int main() {
 840                      return __sync_add_and_fetch(&v, (uint64_t)1);
 841                    }''',
 842                 name : 'GCC 64bit atomics')
 843   pre_args += '-DMISSING_64_BIT_ATOMICS'
 844 endif
 845
 846 # TODO: endian
 847 # TODO: powr8
 848 # TODO: shared/static? Is this even worth doing?
 849
 850 # Building x86 assembly code requires running x86 binaries. It is possible for
 851 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 852 # TODO: it should be possible to use an exe_wrapper to run the binary during
 853 # the build.
 854 if meson.is_cross_build()
 855   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 856           and build_machine.system() == host_machine.system())
 857     message('Cross compiling to x86 from non-x86, disabling asm')
 858     with_asm = false
 859   endif
 860 endif
 861
 862 with_asm_arch = ''
 863 if with_asm
 864   # TODO: SPARC and PPC
 865   if host_machine.cpu_family() == 'x86'
 866     if system_has_kms_drm
 867       with_asm_arch = 'x86'
 868       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 869                    '-DUSE_SSE_ASM']
 870     endif
 871   elif host_machine.cpu_family() == 'x86_64'
 872     if system_has_kms_drm
 873       with_asm_arch = 'x86_64'
 874       pre_args += ['-DUSE_X86_64_ASM']
 875     endif
 876   elif host_machine.cpu_family() == 'arm'
 877     if system_has_kms_drm
 878       with_asm_arch = 'arm'
 879       pre_args += ['-DUSE_ARM_ASM']
 880     endif
 881   elif host_machine.cpu_family() == 'aarch64'
 882     if system_has_kms_drm
 883       with_asm_arch = 'aarch64'
 884       pre_args += ['-DUSE_AARCH64_ASM']
 885     endif
 886   endif
 887 endif
 888
 889 # Check for standard headers and functions
 890 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 891   pre_args += '-DMAJOR_IN_SYSMACROS'
 892 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 893   pre_args += '-DMAJOR_IN_MKDEV'
 894 endif
 895
 896 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
 897   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 898     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 899   endif
 900 endforeach
 901
 902 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 903   if cc.has_function(f)
 904     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 905   endif
 906 endforeach
 907
 908 # strtod locale support
 909 if cc.links('''
 910     #define _GNU_SOURCE
 911     #include <stdlib.h>
 912     #include <locale.h>
 913     #ifdef HAVE_XLOCALE_H
 914     #include <xlocale.h>
 915     #endif
 916     int main() {
 917       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 918       const char *s = "1.0";
 919       char *end;
 920       double d = strtod_l(s, end, loc);
 921       float f = strtof_l(s, end, loc);
 922       freelocale(loc);
 923       return 0;
 924     }''',
 925     extra_args : pre_args,
 926     name : 'strtod has locale support')
 927   pre_args += '-DHAVE_STRTOD_L'
 928 endif
 929
 930 # Check for some linker flags
 931 ld_args_bsymbolic = []
 932 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 933   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 934 endif
 935 ld_args_gc_sections = []
 936 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 937             args : '-Wl,--gc-sections', name : 'gc-sections')
 938   ld_args_gc_sections += '-Wl,--gc-sections'
 939 endif
 940 with_ld_version_script = false
 941 if cc.links('int main() { return 0; }',
 942             args : '-Wl,--version-script=@0@'.format(
 943               join_paths(meson.source_root(), 'build-support/conftest.map')),
 944             name : 'version-script')
 945   with_ld_version_script = true
 946 endif
 947 with_ld_dynamic_list = false
 948 if cc.links('int main() { return 0; }',
 949             args : '-Wl,--dynamic-list=@0@'.format(
 950               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 951             name : 'dynamic-list')
 952   with_ld_dynamic_list = true
 953 endif
 954 ld_args_build_id = []
 955 if build_machine.system() != 'darwin'
 956    ld_args_build_id += '-Wl,--build-id=sha1'
 957 endif
 958
 959 # check for dl support
 960 if cc.has_function('dlopen')
 961   dep_dl = null_dep
 962 else
 963   dep_dl = cc.find_library('dl')
 964 endif
 965 if cc.has_function('dladdr', dependencies : dep_dl)
 966   # This is really only required for megadrivers
 967   pre_args += '-DHAVE_DLADDR'
 968 endif
 969
 970 if cc.has_function('dl_iterate_phdr')
 971   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 972 elif with_intel_vk
 973   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 974 elif with_dri_i965 and get_option('shader-cache')
 975   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 976 endif
 977
 978 # Determine whether or not the rt library is needed for time functions
 979 if cc.has_function('clock_gettime')
 980   dep_clock = null_dep
 981 else
 982   dep_clock = cc.find_library('rt')
 983 endif
 984
 985 # TODO: some of these may be conditional
 986 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 987 pre_args += '-DHAVE_ZLIB'
 988 dep_thread = dependency('threads')
 989 if dep_thread.found() and host_machine.system() != 'windows'
 990   pre_args += '-DHAVE_PTHREAD'
 991 endif
 992 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
 993   dep_elf = dependency('libelf', required : false)
 994   if not dep_elf.found()
 995     dep_elf = cc.find_library('elf')
 996   endif
 997 else
 998   dep_elf = null_dep
 999 endif
1000 dep_expat = dependency('expat')
1001 # this only exists on linux so either this is linux and it will be found, or
1002 # its not linux and and wont
1003 dep_m = cc.find_library('m', required : false)
1004
1005 # Check for libdrm. various drivers have different libdrm version requirements,
1006 # but we always want to use the same version for all libdrm modules. That means
1007 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1008 # bar are both on use 2.4.3 for both of them
1009 dep_libdrm_amdgpu = null_dep
1010 dep_libdrm_radeon = null_dep
1011 dep_libdrm_nouveau = null_dep
1012 dep_libdrm_etnaviv = null_dep
1013 dep_libdrm_freedreno = null_dep
1014 dep_libdrm_intel = null_dep
1015
1016 _drm_amdgpu_ver = '2.4.91'
1017 _drm_radeon_ver = '2.4.71'
1018 _drm_nouveau_ver = '2.4.66'
1019 _drm_etnaviv_ver = '2.4.89'
1020 _drm_freedreno_ver = '2.4.92'
1021 _drm_intel_ver = '2.4.75'
1022 _drm_ver = '2.4.75'
1023
1024 _libdrm_checks = [
1025   ['intel', with_dri_i915 or with_gallium_i915],
1026   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1027   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1028               with_gallium_r300 or with_gallium_r600)],
1029   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1030   ['etnaviv', with_gallium_etnaviv],
1031   ['freedreno', with_gallium_freedreno],
1032 ]
1033
1034 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1035 # library.
1036 if with_gallium_vc4
1037   _drm_ver = '2.4.89'
1038 endif
1039
1040 # Loop over the enables versions and get the highest libdrm requirement for all
1041 # active drivers.
1042 foreach d : _libdrm_checks
1043   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1044   if d[1] and ver.version_compare('>' + _drm_ver)
1045     _drm_ver = ver
1046   endif
1047 endforeach
1048
1049 # Then get each libdrm module
1050 foreach d : _libdrm_checks
1051   if d[1]
1052     set_variable(
1053       'dep_libdrm_' + d[0],
1054       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1055     )
1056   endif
1057 endforeach
1058
1059 with_gallium_drisw_kms = false
1060 dep_libdrm = dependency(
1061   'libdrm', version : '>=' + _drm_ver,
1062   required : with_dri2 or with_dri3
1063 )
1064 if dep_libdrm.found()
1065   pre_args += '-DHAVE_LIBDRM'
1066   if with_dri_platform == 'drm' and with_dri
1067     with_gallium_drisw_kms = true
1068   endif
1069 endif
1070
1071 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1072 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1073   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1074   if with_gallium_r600
1075     llvm_modules += 'asmparser'
1076   endif
1077 endif
1078 if with_gallium_opencl
1079   llvm_modules += [
1080     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1081     'lto', 'option', 'objcarcopts', 'profiledata',
1082   ]
1083   # TODO: optional modules
1084 endif
1085
1086 if with_amd_vk or with_gallium_radeonsi
1087   _llvm_version = '>= 5.0.0'
1088 elif with_gallium_swr
1089   _llvm_version = '>= 4.0.0'
1090 elif with_gallium_opencl or with_gallium_r600
1091   _llvm_version = '>= 3.9.0'
1092 else
1093   _llvm_version = '>= 3.3.0'
1094 endif
1095
1096 _llvm = get_option('llvm')
1097 if _llvm == 'auto'
1098   dep_llvm = dependency(
1099     'llvm', version : _llvm_version, modules : llvm_modules,
1100     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1101   )
1102   with_llvm = dep_llvm.found()
1103 elif _llvm == 'true'
1104   dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1105   with_llvm = true
1106 else
1107   dep_llvm = null_dep
1108   with_llvm = false
1109 endif
1110 if with_llvm
1111   _llvm_version = dep_llvm.version().split('.')
1112   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1113   # that for our version checks.
1114   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1115   # strippped as of 0.44, but we support older meson versions.
1116
1117   # 3 digits versions in LLVM only started from 3.4.1 on
1118   if dep_llvm.version().version_compare('>= 3.4.1')
1119     _llvm_patch = _llvm_version[2]
1120   else
1121     _llvm_patch = '0'
1122   endif
1123
1124   if _llvm_patch.endswith('svn')
1125     _llvm_patch = _llvm_patch.split('s')[0]
1126   elif _llvm_patch.contains('git')
1127     _llvm_patch = _llvm_patch.split('g')[0]
1128   endif
1129   pre_args += [
1130     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1131     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1132   ]
1133
1134   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1135   # programs, so we need to build all C++ code in mesa without rtti as well to
1136   # ensure that linking works.
1137   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1138     cpp_args += '-fno-rtti'
1139   endif
1140 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1141   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1142 endif
1143
1144 dep_glvnd = null_dep
1145 if with_glvnd
1146   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1147   pre_args += '-DUSE_LIBGLVND=1'
1148 endif
1149
1150 if with_valgrind != 'false'
1151   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1152   if dep_valgrind.found()
1153     pre_args += '-DHAVE_VALGRIND'
1154   endif
1155 else
1156   dep_valgrind = null_dep
1157 endif
1158
1159 # pthread stubs. Lets not and say we didn't
1160
1161 prog_bison = find_program('bison', required : with_any_opengl)
1162 prog_flex = find_program('flex', required : with_any_opengl)
1163
1164 dep_selinux = null_dep
1165 if get_option('selinux')
1166   dep_selinux = dependency('libselinux')
1167   pre_args += '-DMESA_SELINUX'
1168 endif
1169
1170 # TODO: llvm-prefix and llvm-shared-libs
1171
1172 if with_libunwind != 'false'
1173   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1174   if dep_unwind.found()
1175     pre_args += '-DHAVE_LIBUNWIND'
1176   endif
1177 else
1178   dep_unwind = null_dep
1179 endif
1180
1181 # TODO: gallium-hud
1182
1183 if with_osmesa != 'none'
1184   if with_osmesa == 'classic' and not with_dri_swrast
1185     error('OSMesa classic requires dri (classic) swrast.')
1186   endif
1187   if with_osmesa == 'gallium' and not with_gallium_softpipe
1188     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1189   endif
1190   osmesa_lib_name = 'OSMesa'
1191   osmesa_bits = get_option('osmesa-bits')
1192   if osmesa_bits != '8'
1193     if with_dri or with_glx != 'disabled'
1194       error('OSMesa bits must be 8 if building glx or dir based drivers')
1195     endif
1196     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1197     pre_args += [
1198       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1199     ]
1200   endif
1201 endif
1202
1203 # TODO: symbol mangling
1204
1205 if with_platform_wayland
1206   prog_wl_scanner = find_program('wayland-scanner')
1207   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1208   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1209   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1210   wayland_dmabuf_xml = join_paths(
1211     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1212     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1213   )
1214   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1215 else
1216   prog_wl_scanner = []
1217   dep_wl_protocols = null_dep
1218   dep_wayland_client = null_dep
1219   dep_wayland_server = null_dep
1220   wayland_dmabuf_xml = ''
1221 endif
1222
1223 dep_x11 = null_dep
1224 dep_xext = null_dep
1225 dep_xdamage = null_dep
1226 dep_xfixes = null_dep
1227 dep_x11_xcb = null_dep
1228 dep_xcb = null_dep
1229 dep_xcb_glx = null_dep
1230 dep_xcb_dri2 = null_dep
1231 dep_xcb_dri3 = null_dep
1232 dep_dri2proto = null_dep
1233 dep_glproto = null_dep
1234 dep_xxf86vm = null_dep
1235 dep_xcb_dri3 = null_dep
1236 dep_xcb_present = null_dep
1237 dep_xcb_sync = null_dep
1238 dep_xcb_xfixes = null_dep
1239 dep_xshmfence = null_dep
1240 if with_platform_x11
1241   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1242     dep_x11 = dependency('x11')
1243     dep_xext = dependency('xext')
1244     dep_xcb = dependency('xcb')
1245   elif with_glx == 'dri'
1246     dep_x11 = dependency('x11')
1247     dep_xext = dependency('xext')
1248     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1249     dep_xfixes = dependency('xfixes')
1250     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1251     dep_xxf86vm = dependency('xxf86vm', required : false)
1252   endif
1253   if (with_any_vk or with_glx == 'dri' or
1254        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1255         with_gallium_omx != 'disabled'))
1256     dep_xcb = dependency('xcb')
1257     dep_x11_xcb = dependency('x11-xcb')
1258   endif
1259   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1260     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1261
1262     if with_dri3
1263       pre_args += '-DHAVE_DRI3'
1264       dep_xcb_dri3 = dependency('xcb-dri3')
1265       dep_xcb_present = dependency('xcb-present')
1266       # until xcb-dri3 has been around long enough to make a hard-dependency:
1267       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1268           dep_xcb_present.version().version_compare('>= 1.13'))
1269         pre_args += '-DHAVE_DRI3_MODIFIERS'
1270       endif
1271       dep_xcb_sync = dependency('xcb-sync')
1272       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1273     endif
1274   endif
1275   if with_glx == 'dri'
1276     if with_dri_platform == 'drm'
1277       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1278     endif
1279     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1280   endif
1281   if (with_egl or (
1282       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1283       with_gallium_omx != 'disabled'))
1284     dep_xcb_xfixes = dependency('xcb-xfixes')
1285   endif
1286 endif
1287
1288 if get_option('gallium-extra-hud')
1289   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1290 endif
1291
1292 _sensors = get_option('lmsensors')
1293 if _sensors != 'false'
1294   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1295   if dep_lmsensors.found()
1296     pre_args += '-DHAVE_LIBSENSORS=1'
1297   endif
1298 else
1299   dep_lmsensors = null_dep
1300 endif
1301
1302 # TODO: various libdirs
1303
1304 # TODO: gallium driver dirs
1305
1306 foreach a : pre_args
1307   add_project_arguments(a, language : ['c', 'cpp'])
1308 endforeach
1309 foreach a : c_args
1310   add_project_arguments(a, language : ['c'])
1311 endforeach
1312 foreach a : cpp_args
1313   add_project_arguments(a, language : ['cpp'])
1314 endforeach
1315
1316 inc_include = include_directories('include')
1317
1318 gl_priv_reqs = [
1319   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1320   'xcb-glx >= 1.8.1']
1321 if dep_libdrm.found()
1322   gl_priv_reqs += 'libdrm >= 2.4.75'
1323 endif
1324 if dep_xxf86vm.found()
1325   gl_priv_reqs += 'xxf86vm'
1326 endif
1327 if with_dri_platform == 'drm'
1328   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1329 endif
1330
1331 gl_priv_libs = []
1332 if dep_thread.found()
1333   gl_priv_libs += ['-lpthread', '-pthread']
1334 endif
1335 if dep_m.found()
1336   gl_priv_libs += '-lm'
1337 endif
1338 if dep_dl.found()
1339   gl_priv_libs += '-ldl'
1340 endif
1341
1342 pkg = import('pkgconfig')
1343
1344 env_test = environment()
1345 env_test.set('NM', find_program('nm').path())
1346
1347 subdir('include')
1348 subdir('bin')
1349 subdir('src')