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 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']
  62 endif
  63 if get_option('texture-float')
  64   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  65   warning('Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  66 endif
  67
  68 dri_drivers_path = get_option('dri-drivers-path')
  69 if dri_drivers_path == ''
  70   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  71 endif
  72 dri_search_path = get_option('dri-search-path')
  73 if dri_search_path == ''
  74   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  75 endif
  76
  77 with_gles1 = get_option('gles1')
  78 with_gles2 = get_option('gles2')
  79 with_opengl = get_option('opengl')
  80 with_any_opengl = with_opengl or with_gles1 or with_gles2
  81 # Only build shared_glapi if at least one OpenGL API is enabled
  82 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  83
  84
  85 # shared-glapi is required if at least two OpenGL APIs are being built
  86 if not with_shared_glapi
  87   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  88       or (with_gles2 and with_opengl))
  89     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  90   endif
  91 endif
  92
  93 # We require OpenGL for OpenGL ES
  94 if (with_gles1 or with_gles2) and not with_opengl
  95   error('building OpenGL ES without OpenGL is not supported.')
  96 endif
  97
  98 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  99
 100 _drivers = get_option('dri-drivers')
 101 if _drivers.contains('auto')
 102   if system_has_kms_drm
 103     # TODO: PPC, Sparc
 104     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 105       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 106     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 107       _drivers = []
 108     else
 109       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 110     endif
 111   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 112     # only swrast would make sense here, but gallium swrast is a much better default
 113     _drivers = []
 114   else
 115     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 116   endif
 117 endif
 118
 119 with_dri_i915 = _drivers.contains('i915')
 120 with_dri_i965 = _drivers.contains('i965')
 121 with_dri_r100 = _drivers.contains('r100')
 122 with_dri_r200 = _drivers.contains('r200')
 123 with_dri_nouveau = _drivers.contains('nouveau')
 124 with_dri_swrast = _drivers.contains('swrast')
 125
 126 with_dri = _drivers.length() != 0 and _drivers != ['']
 127
 128 _drivers = get_option('gallium-drivers')
 129 if _drivers.contains('auto')
 130   if system_has_kms_drm
 131     # TODO: PPC, Sparc
 132     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 133       _drivers = [
 134         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 135       ]
 136     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 137       _drivers = [
 138         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 139         'tegra', 'virgl', 'swrast',
 140       ]
 141     else
 142       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 143     endif
 144   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 145     _drivers = ['swrast']
 146   else
 147     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 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     else
 183       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 184     endif
 185   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 186     # No vulkan driver supports windows or macOS currently
 187     _vulkan_drivers = []
 188   else
 189     error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 190   endif
 191 endif
 192
 193 with_intel_vk = _vulkan_drivers.contains('intel')
 194 with_amd_vk = _vulkan_drivers.contains('amd')
 195 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 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 _platforms = get_option('platforms')
 229 if _platforms.contains('auto')
 230   if system_has_kms_drm
 231     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 232   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 233     _platforms = ['x11', 'surfaceless']
 234   elif ['haiku'].contains(host_machine.system())
 235     _platforms = ['haiku']
 236   else
 237     error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
 238   endif
 239 endif
 240
 241 with_platform_android = _platforms.contains('android')
 242 with_platform_x11 = _platforms.contains('x11')
 243 with_platform_wayland = _platforms.contains('wayland')
 244 with_platform_drm = _platforms.contains('drm')
 245 with_platform_haiku = _platforms.contains('haiku')
 246 with_platform_surfaceless = _platforms.contains('surfaceless')
 247
 248 with_platforms = false
 249 if _platforms.length() != 0 and _platforms != ['']
 250   with_platforms = true
 251   egl_native_platform = _platforms[0]
 252 endif
 253
 254 with_glx = get_option('glx')
 255 if with_glx == 'auto'
 256   if with_dri
 257     with_glx = 'dri'
 258   elif with_platform_haiku
 259     with_glx = 'disabled'
 260   elif with_gallium
 261     # Even when building just gallium drivers the user probably wants dri
 262     with_glx = 'dri'
 263     with_dri = true
 264   elif with_platform_x11 and with_any_opengl and not with_any_vk
 265     # The automatic behavior should not be to turn on xlib based glx when
 266     # building only vulkan drivers
 267     with_glx = 'xlib'
 268   else
 269     with_glx = 'disabled'
 270   endif
 271 endif
 272
 273 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 274   with_gles1 = false
 275   with_gles2 = false
 276   with_opengl = false
 277   with_any_opengl = false
 278   with_shared_glapi = false
 279 endif
 280
 281 _gbm = get_option('gbm')
 282 if _gbm == 'auto'
 283   with_gbm = system_has_kms_drm and with_dri
 284 else
 285   with_gbm = _gbm == 'true'
 286 endif
 287 if with_gbm and not system_has_kms_drm
 288   error('GBM only supports DRM/KMS platforms')
 289 endif
 290
 291 _egl = get_option('egl')
 292 if _egl == 'auto'
 293   with_egl = with_dri and with_shared_glapi and with_platforms
 294 elif _egl == 'true'
 295   if not with_dri
 296     error('EGL requires dri')
 297   elif not with_shared_glapi
 298     error('EGL requires shared-glapi')
 299   elif not with_platforms
 300     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 301   elif not ['disabled', 'dri'].contains(with_glx)
 302     error('EGL requires dri, but a GLX is being built without dri')
 303   endif
 304   with_egl = true
 305 else
 306   with_egl = false
 307 endif
 308
 309 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 310   if with_gallium_radeonsi
 311     error('RadeonSI requires drm or surfaceless platform when using EGL')
 312   endif
 313   if with_gallium_virgl
 314     error('Virgl requires drm or surfaceless platform when using EGL')
 315   endif
 316 endif
 317
 318 pre_args += '-DGLX_USE_TLS'
 319 if with_glx != 'disabled'
 320   if not (with_platform_x11 and with_any_opengl)
 321     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 322   elif with_glx == 'gallium-xlib'
 323     if not with_gallium
 324       error('Gallium-xlib based GLX requires at least one gallium driver')
 325     elif not with_gallium_softpipe
 326       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 327     elif with_dri
 328       error('gallium-xlib conflicts with any dri driver')
 329     endif
 330   elif with_glx == 'xlib'
 331     if with_dri
 332       error('xlib conflicts with any dri driver')
 333     endif
 334   elif with_glx == 'dri'
 335     if not with_dri
 336       error('dri based GLX requires at least one DRI driver')
 337     elif not with_shared_glapi
 338       error('dri based GLX requires shared-glapi')
 339     endif
 340   endif
 341 endif
 342
 343 with_glvnd = get_option('glvnd')
 344 if with_glvnd
 345   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 346     error('Cannot build glvnd support for GLX that is not DRI based.')
 347   elif with_glx == 'disabled' and not with_egl
 348     error('glvnd requires DRI based GLX and/or EGL')
 349   endif
 350 endif
 351
 352 # TODO: toggle for this
 353 with_glx_direct = true
 354
 355 if with_vulkan_icd_dir == ''
 356   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 357 endif
 358
 359 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 360 _dri3 = get_option('dri3')
 361 if _dri3 == 'auto'
 362   with_dri3 = system_has_kms_drm and with_dri2
 363 else
 364   with_dri3 = _dri3 == 'true'
 365 endif
 366
 367 if with_any_vk and (with_platform_x11 and not with_dri3)
 368   error('Vulkan drivers require dri3 for X11 support')
 369 endif
 370 if with_dri or with_gallium
 371   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 372     error('building dri or gallium drivers require at least one window system')
 373   endif
 374 endif
 375
 376 prog_pkgconfig = find_program('pkg-config')
 377
 378 _vdpau = get_option('gallium-vdpau')
 379 if not system_has_kms_drm
 380   if _vdpau == 'true'
 381     error('VDPAU state tracker can only be build on unix-like OSes.')
 382   else
 383     _vdpau = 'false'
 384   endif
 385 elif not with_platform_x11
 386   if _vdpau == 'true'
 387     error('VDPAU state tracker requires X11 support.')
 388   else
 389     _vdpau = 'false'
 390   endif
 391 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 392           with_gallium_nouveau)
 393   if _vdpau == 'true'
 394     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 395   else
 396     _vdpau = 'false'
 397   endif
 398 elif _vdpau == 'auto'
 399   _vdpau = 'true'
 400 endif
 401 with_gallium_vdpau = _vdpau == 'true'
 402 dep_vdpau = null_dep
 403 if with_gallium_vdpau
 404   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 405   dep_vdpau = declare_dependency(
 406     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 407   )
 408 endif
 409
 410 if with_gallium_vdpau
 411   pre_args += '-DHAVE_ST_VDPAU'
 412 endif
 413 vdpau_drivers_path = get_option('vdpau-libs-path')
 414 if vdpau_drivers_path == ''
 415   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 416 endif
 417
 418 _xvmc = get_option('gallium-xvmc')
 419 if not system_has_kms_drm
 420   if _xvmc == 'true'
 421     error('XVMC state tracker can only be build on unix-like OSes.')
 422   else
 423     _xvmc = 'false'
 424   endif
 425 elif not with_platform_x11
 426   if _xvmc == 'true'
 427     error('XVMC state tracker requires X11 support.')
 428   else
 429     _xvmc = 'false'
 430   endif
 431 elif not (with_gallium_r600 or with_gallium_nouveau)
 432   if _xvmc == 'true'
 433     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 434   else
 435     _xvmc = 'false'
 436   endif
 437 elif _xvmc == 'auto'
 438   _xvmc = 'true'
 439 endif
 440 with_gallium_xvmc = _xvmc == 'true'
 441 dep_xvmc = null_dep
 442 if with_gallium_xvmc
 443   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 444 endif
 445
 446 xvmc_drivers_path = get_option('xvmc-libs-path')
 447 if xvmc_drivers_path == ''
 448   xvmc_drivers_path = get_option('libdir')
 449 endif
 450
 451 _omx = get_option('gallium-omx')
 452 if not system_has_kms_drm
 453   if ['auto', 'disabled'].contains(_omx)
 454     _omx = 'disabled'
 455   else
 456     error('OMX state tracker can only be built on unix-like OSes.')
 457   endif
 458 elif not (with_platform_x11 or with_platform_drm)
 459   if ['auto', 'disabled'].contains(_omx)
 460     _omx = 'disabled'
 461   else
 462     error('OMX state tracker requires X11 or drm platform support.')
 463   endif
 464 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 465   if ['auto', 'disabled'].contains(_omx)
 466     _omx = 'disabled'
 467   else
 468     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 469   endif
 470 endif
 471 with_gallium_omx = _omx
 472 dep_omx = null_dep
 473 dep_omx_other = []
 474 if ['auto', 'bellagio'].contains(_omx)
 475   dep_omx = dependency(
 476     'libomxil-bellagio', required : _omx == 'bellagio'
 477   )
 478   if dep_omx.found()
 479     with_gallium_omx = 'bellagio'
 480   endif
 481 endif
 482 if ['auto', 'tizonia'].contains(_omx)
 483   if with_dri and with_egl
 484     dep_omx = dependency(
 485       'libtizonia', version : '>= 0.10.0',
 486       required : _omx == 'tizonia',
 487     )
 488     dep_omx_other = [
 489       dependency('libtizplatform', required : _omx == 'tizonia'),
 490       dependency('tizilheaders', required : _omx == 'tizonia'),
 491     ]
 492     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 493       with_gallium_omx = 'tizonia'
 494     endif
 495   elif _omx == 'tizonia'
 496     error('OMX-Tizonia state tracker requires dri and egl')
 497   endif
 498 endif
 499 if _omx == 'auto'
 500   with_gallium_omx = 'disabled'
 501 else
 502   with_gallium_omx = _omx
 503 endif
 504
 505 pre_args += [
 506   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 507   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 508 ]
 509
 510
 511 omx_drivers_path = get_option('omx-libs-path')
 512
 513 if with_gallium_omx != 'disabled'
 514   # Figure out where to put the omx driver.
 515   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 516   # argument to meson's get_pkgconfig_variable method.
 517   if omx_drivers_path == ''
 518     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 519     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 520     if _omx_libdir == get_option('libdir')
 521       omx_drivers_path = _omx_drivers_dir
 522     else
 523       _omx_base_dir = []
 524       # This will fail on windows. Does OMX run on windows?
 525       _omx_libdir = _omx_libdir.split('/')
 526       _omx_drivers_dir = _omx_drivers_dir.split('/')
 527       foreach o : _omx_drivers_dir
 528         if not _omx_libdir.contains(o)
 529           _omx_base_dir += o
 530         endif
 531       endforeach
 532       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 533     endif
 534   endif
 535 endif
 536
 537 _va = get_option('gallium-va')
 538 if not system_has_kms_drm
 539   if _va == 'true'
 540     error('VA state tracker can only be built on unix-like OSes.')
 541   else
 542     _va = 'false'
 543   endif
 544 elif not (with_platform_x11 or with_platform_drm)
 545   if _va == 'true'
 546     error('VA state tracker requires X11 or drm or wayland platform support.')
 547   else
 548     _va = 'false'
 549   endif
 550 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 551   if _va == 'true'
 552     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 553   else
 554     _va = 'false'
 555   endif
 556 elif _va == 'auto'
 557   _va = 'true'
 558 endif
 559 with_gallium_va = _va == 'true'
 560 dep_va = null_dep
 561 if with_gallium_va
 562   dep_va = dependency('libva', version : '>= 0.39.0')
 563   dep_va_headers = declare_dependency(
 564     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 565   )
 566 endif
 567
 568 va_drivers_path = get_option('va-libs-path')
 569 if va_drivers_path == ''
 570   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 571 endif
 572
 573 _xa = get_option('gallium-xa')
 574 if not system_has_kms_drm
 575   if _xa == 'true'
 576     error('XA state tracker can only be built on unix-like OSes.')
 577   else
 578     _xa = 'false'
 579   endif
 580 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 581           or with_gallium_svga)
 582   if _xa == 'true'
 583     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 584   else
 585     _xa = 'false'
 586   endif
 587 endif
 588 with_gallium_xa = _xa != 'false'
 589
 590 d3d_drivers_path = get_option('d3d-drivers-path')
 591 if d3d_drivers_path == ''
 592   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 593 endif
 594
 595 with_gallium_st_nine =  get_option('gallium-nine')
 596 if with_gallium_st_nine
 597   if not with_gallium_softpipe
 598     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 599   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 600             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 601     error('The nine state tracker requires at least on non-swrast gallium driver.')
 602   endif
 603   if not with_dri3
 604     error('Using nine with wine requires dri3')
 605   endif
 606 endif
 607
 608 _opencl = get_option('gallium-opencl')
 609 if _opencl != 'disabled'
 610   if not with_gallium
 611     error('OpenCL Clover implementation requires at least one gallium driver.')
 612   endif
 613
 614   # TODO: alitvec?
 615   dep_clc = dependency('libclc')
 616   with_gallium_opencl = true
 617   with_opencl_icd = _opencl == 'icd'
 618 else
 619   dep_clc = null_dep
 620   with_gallium_opencl = false
 621   with_gallium_icd = false
 622 endif
 623
 624 gl_pkgconfig_c_flags = []
 625 if with_platform_x11
 626   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 627     pre_args += '-DHAVE_X11_PLATFORM'
 628   endif
 629   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 630     pre_args += '-DUSE_XSHM'
 631   else
 632     pre_args += '-DGLX_INDIRECT_RENDERING'
 633     if with_glx_direct
 634       pre_args += '-DGLX_DIRECT_RENDERING'
 635     endif
 636     if with_dri_platform == 'drm'
 637       pre_args += '-DGLX_USE_DRM'
 638     elif with_dri_platform == 'apple'
 639       pre_args += '-DGLX_USE_APPLEGL'
 640     elif with_dri_platform == 'windows'
 641       pre_args += '-DGLX_USE_WINDOWSGL'
 642     endif
 643   endif
 644 else
 645   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 646   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 647 endif
 648 if with_platform_drm
 649   if with_egl and not with_gbm
 650     error('EGL drm platform requires gbm')
 651   endif
 652   pre_args += '-DHAVE_DRM_PLATFORM'
 653 endif
 654 if with_platform_surfaceless
 655   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 656 endif
 657 if with_platform_android
 658   dep_android = [
 659     dependency('cutils'),
 660     dependency('hardware'),
 661     dependency('sync'),
 662   ]
 663   pre_args += '-DHAVE_ANDROID_PLATFORM'
 664 endif
 665 if with_platform_haiku
 666   pre_args += '-DHAVE_HAIKU_PLATFORM'
 667 endif
 668
 669 prog_python2 = find_program('python2')
 670 has_mako = run_command(prog_python2, '-c', 'import mako')
 671 if has_mako.returncode() != 0
 672   error('Python (2.x) mako module required to build mesa.')
 673 endif
 674
 675 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 676   error('When using GCC, version 4.4.6 or later is required.')
 677 endif
 678
 679 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 680 if get_option('buildtype') == 'debug'
 681   pre_args += '-DDEBUG'
 682 endif
 683
 684 if get_option('shader-cache')
 685   pre_args += '-DENABLE_SHADER_CACHE'
 686 elif with_amd_vk
 687   error('Radv requires shader cache support')
 688 endif
 689
 690 # Check for GCC style builtins
 691 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 692              'ffsll', 'popcount', 'popcountll', 'unreachable']
 693   if cc.has_function(b)
 694     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 695   endif
 696 endforeach
 697
 698 # check for GCC __attribute__
 699 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 700              'warn_unused_result', 'weak',]
 701   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 702                  name : '__attribute__((@0@))'.format(a))
 703     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 704   endif
 705 endforeach
 706 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 707                name : '__attribute__((format(...)))')
 708   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 709 endif
 710 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 711                name : '__attribute__((packed))')
 712   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 713 endif
 714 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 715                name : '__attribute__((returns_nonnull))')
 716   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 717 endif
 718 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 719                   int foo_hid(void) __attribute__((visibility("hidden")));
 720                   int foo_int(void) __attribute__((visibility("internal")));
 721                   int foo_pro(void) __attribute__((visibility("protected")));''',
 722                name : '__attribute__((visibility(...)))')
 723   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 724 endif
 725 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 726                name : '__attribute__((alias(...)))')
 727   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 728 endif
 729 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 730                name : '__attribute__((__noreturn__))')
 731   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 732 endif
 733
 734 # TODO: this is very incomplete
 735 if ['linux', 'cygwin'].contains(host_machine.system())
 736   pre_args += '-D_GNU_SOURCE'
 737 endif
 738
 739 # Check for generic C arguments
 740 c_args = []
 741 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 742              '-Werror=missing-prototypes', '-fno-math-errno',
 743              '-fno-trapping-math', '-Qunused-arguments']
 744   if cc.has_argument(a)
 745     c_args += a
 746   endif
 747 endforeach
 748 c_vis_args = []
 749 if cc.has_argument('-fvisibility=hidden')
 750   c_vis_args += '-fvisibility=hidden'
 751 endif
 752
 753 # Check for generic C++ arguments
 754 cpp_args = []
 755 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 756              '-Qunused-arguments']
 757   if cpp.has_argument(a)
 758     cpp_args += a
 759   endif
 760 endforeach
 761
 762 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 763 # option is not supported. Hence, check for -Wfoo instead.
 764 if cpp.has_argument('-Wnon-virtual-dtor')
 765   cpp_args += '-Wno-non-virtual-dtor'
 766 endif
 767
 768 no_override_init_args = []
 769 foreach a : ['override-init', 'initializer-overrides']
 770   if cc.has_argument('-W' + a)
 771     no_override_init_args += '-Wno-' + a
 772   endif
 773 endforeach
 774
 775 cpp_vis_args = []
 776 if cpp.has_argument('-fvisibility=hidden')
 777   cpp_vis_args += '-fvisibility=hidden'
 778 endif
 779
 780 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 781 # in parts of the mesa code base that need to compile with old versions of
 782 # MSVC, mainly common code
 783 c_msvc_compat_args = []
 784 cpp_msvc_compat_args = []
 785 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 786   if cc.has_argument(a)
 787     c_msvc_compat_args += a
 788   endif
 789   if cpp.has_argument(a)
 790     cpp_msvc_compat_args += a
 791   endif
 792 endforeach
 793
 794 if host_machine.cpu_family().startswith('x86')
 795   pre_args += '-DUSE_SSE41'
 796   with_sse41 = true
 797   sse41_args = ['-msse4.1']
 798
 799   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 800   # that's not guaranteed
 801   if host_machine.cpu_family() == 'x86'
 802     sse41_args += '-mstackrealign'
 803   endif
 804 else
 805   with_sse41 = false
 806   sse41_args = []
 807 endif
 808
 809 # Check for GCC style atomics
 810 dep_atomic = null_dep
 811
 812 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 813                name : 'GCC atomic builtins')
 814   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 815
 816   # Not all atomic calls can be turned into lock-free instructions, in which
 817   # GCC will make calls into the libatomic library. Check whether we need to
 818   # link with -latomic.
 819   #
 820   # This can happen for 64-bit atomic operations on 32-bit architectures such
 821   # as ARM.
 822   if not cc.links('''#include <stdint.h>
 823                      int main() {
 824                        struct {
 825                          uint64_t *v;
 826                        } x;
 827                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE);
 828                      }''',
 829                   name : 'GCC atomic builtins required -latomic')
 830     dep_atomic = cc.find_library('atomic')
 831   endif
 832 endif
 833 if not cc.links('''#include <stdint.h>
 834                    uint64_t v;
 835                    int main() {
 836                      return __sync_add_and_fetch(&v, (uint64_t)1);
 837                    }''',
 838                 name : 'GCC 64bit atomics')
 839   pre_args += '-DMISSING_64_BIT_ATOMICS'
 840 endif
 841
 842 # TODO: endian
 843 # TODO: powr8
 844 # TODO: shared/static? Is this even worth doing?
 845
 846 # When cross compiling we generally need to turn off the use of assembly,
 847 # because mesa's assembly relies on building an executable for the host system,
 848 # and running it to get information about struct sizes. There is at least one
 849 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 850 # host OS == build OS, since in that case the build machine can run the host's
 851 # binaries.
 852 if meson.is_cross_build()
 853   if build_machine.system() != host_machine.system()
 854     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 855     message('Cross compiling from one OS to another, disabling assembly.')
 856     with_asm = false
 857   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 858     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 859     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 860     # case.
 861     # TODO: There may be other cases where the 64 bit version of the
 862     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 863     message('''
 864       Cross compiling to different architectures, and the host cannot run
 865       the build machine's binaries. Disabling assembly.
 866     ''')
 867     with_asm = false
 868   endif
 869 endif
 870
 871 with_asm_arch = ''
 872 if with_asm
 873   # TODO: SPARC and PPC
 874   if host_machine.cpu_family() == 'x86'
 875     if system_has_kms_drm
 876       with_asm_arch = 'x86'
 877       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 878                    '-DUSE_SSE_ASM']
 879
 880       if with_glx_read_only_text
 881          pre_args += ['-DGLX_X86_READONLY_TEXT']
 882       endif
 883     endif
 884   elif host_machine.cpu_family() == 'x86_64'
 885     if system_has_kms_drm
 886       with_asm_arch = 'x86_64'
 887       pre_args += ['-DUSE_X86_64_ASM']
 888     endif
 889   elif host_machine.cpu_family() == 'arm'
 890     if system_has_kms_drm
 891       with_asm_arch = 'arm'
 892       pre_args += ['-DUSE_ARM_ASM']
 893     endif
 894   elif host_machine.cpu_family() == 'aarch64'
 895     if system_has_kms_drm
 896       with_asm_arch = 'aarch64'
 897       pre_args += ['-DUSE_AARCH64_ASM']
 898     endif
 899   endif
 900 endif
 901
 902 # Check for standard headers and functions
 903 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 904   pre_args += '-DMAJOR_IN_SYSMACROS'
 905 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 906   pre_args += '-DMAJOR_IN_MKDEV'
 907 endif
 908
 909 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
 910   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 911     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 912   endif
 913 endforeach
 914
 915 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 916   if cc.has_function(f)
 917     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 918   endif
 919 endforeach
 920
 921 # strtod locale support
 922 if cc.links('''
 923     #define _GNU_SOURCE
 924     #include <stdlib.h>
 925     #include <locale.h>
 926     #ifdef HAVE_XLOCALE_H
 927     #include <xlocale.h>
 928     #endif
 929     int main() {
 930       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 931       const char *s = "1.0";
 932       char *end;
 933       double d = strtod_l(s, end, loc);
 934       float f = strtof_l(s, end, loc);
 935       freelocale(loc);
 936       return 0;
 937     }''',
 938     extra_args : pre_args,
 939     name : 'strtod has locale support')
 940   pre_args += '-DHAVE_STRTOD_L'
 941 endif
 942
 943 # Check for some linker flags
 944 ld_args_bsymbolic = []
 945 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 946   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 947 endif
 948 ld_args_gc_sections = []
 949 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 950             args : '-Wl,--gc-sections', name : 'gc-sections')
 951   ld_args_gc_sections += '-Wl,--gc-sections'
 952 endif
 953 with_ld_version_script = false
 954 if cc.links('int main() { return 0; }',
 955             args : '-Wl,--version-script=@0@'.format(
 956               join_paths(meson.source_root(), 'build-support/conftest.map')),
 957             name : 'version-script')
 958   with_ld_version_script = true
 959 endif
 960 with_ld_dynamic_list = false
 961 if cc.links('int main() { return 0; }',
 962             args : '-Wl,--dynamic-list=@0@'.format(
 963               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 964             name : 'dynamic-list')
 965   with_ld_dynamic_list = true
 966 endif
 967 ld_args_build_id = []
 968 if build_machine.system() != 'darwin'
 969    ld_args_build_id += '-Wl,--build-id=sha1'
 970 endif
 971
 972 # check for dl support
 973 if cc.has_function('dlopen')
 974   dep_dl = null_dep
 975 else
 976   dep_dl = cc.find_library('dl')
 977 endif
 978 if cc.has_function('dladdr', dependencies : dep_dl)
 979   # This is really only required for megadrivers
 980   pre_args += '-DHAVE_DLADDR'
 981 endif
 982
 983 if cc.has_function('dl_iterate_phdr')
 984   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 985 elif with_intel_vk
 986   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 987 elif with_dri_i965 and get_option('shader-cache')
 988   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 989 endif
 990
 991 # Determine whether or not the rt library is needed for time functions
 992 if cc.has_function('clock_gettime')
 993   dep_clock = null_dep
 994 else
 995   dep_clock = cc.find_library('rt')
 996 endif
 997
 998 # TODO: some of these may be conditional
 999 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1000 pre_args += '-DHAVE_ZLIB'
1001 dep_thread = dependency('threads')
1002 if dep_thread.found() and host_machine.system() != 'windows'
1003   pre_args += '-DHAVE_PTHREAD'
1004 endif
1005 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1006   dep_elf = dependency('libelf', required : false)
1007   if not dep_elf.found()
1008     dep_elf = cc.find_library('elf')
1009   endif
1010 else
1011   dep_elf = null_dep
1012 endif
1013 dep_expat = dependency('expat')
1014 # this only exists on linux so either this is linux and it will be found, or
1015 # its not linux and and wont
1016 dep_m = cc.find_library('m', required : false)
1017
1018 # Check for libdrm. various drivers have different libdrm version requirements,
1019 # but we always want to use the same version for all libdrm modules. That means
1020 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1021 # bar are both on use 2.4.3 for both of them
1022 dep_libdrm_amdgpu = null_dep
1023 dep_libdrm_radeon = null_dep
1024 dep_libdrm_nouveau = null_dep
1025 dep_libdrm_etnaviv = null_dep
1026 dep_libdrm_freedreno = null_dep
1027 dep_libdrm_intel = null_dep
1028
1029 _drm_amdgpu_ver = '2.4.91'
1030 _drm_radeon_ver = '2.4.71'
1031 _drm_nouveau_ver = '2.4.66'
1032 _drm_etnaviv_ver = '2.4.89'
1033 _drm_freedreno_ver = '2.4.92'
1034 _drm_intel_ver = '2.4.75'
1035 _drm_ver = '2.4.75'
1036
1037 _libdrm_checks = [
1038   ['intel', with_dri_i915 or with_gallium_i915],
1039   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1040   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1041               with_gallium_r300 or with_gallium_r600)],
1042   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1043   ['etnaviv', with_gallium_etnaviv],
1044   ['freedreno', with_gallium_freedreno],
1045 ]
1046
1047 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1048 # library.
1049 if with_gallium_vc4
1050   _drm_ver = '2.4.89'
1051 endif
1052
1053 # Loop over the enables versions and get the highest libdrm requirement for all
1054 # active drivers.
1055 foreach d : _libdrm_checks
1056   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1057   if d[1] and ver.version_compare('>' + _drm_ver)
1058     _drm_ver = ver
1059   endif
1060 endforeach
1061
1062 # Then get each libdrm module
1063 foreach d : _libdrm_checks
1064   if d[1]
1065     set_variable(
1066       'dep_libdrm_' + d[0],
1067       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1068     )
1069   endif
1070 endforeach
1071
1072 with_gallium_drisw_kms = false
1073 dep_libdrm = dependency(
1074   'libdrm', version : '>=' + _drm_ver,
1075   required : with_dri2 or with_dri3
1076 )
1077 if dep_libdrm.found()
1078   pre_args += '-DHAVE_LIBDRM'
1079   if with_dri_platform == 'drm' and with_dri
1080     with_gallium_drisw_kms = true
1081   endif
1082 endif
1083
1084 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1085 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1086   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1087   if with_gallium_r600
1088     llvm_modules += 'asmparser'
1089   endif
1090 endif
1091 if with_gallium_opencl
1092   llvm_modules += [
1093     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1094     'lto', 'option', 'objcarcopts', 'profiledata',
1095   ]
1096   # TODO: optional modules
1097 endif
1098
1099 if with_amd_vk or with_gallium_radeonsi
1100   _llvm_version = '>= 5.0.0'
1101 elif with_gallium_swr
1102   _llvm_version = '>= 4.0.0'
1103 elif with_gallium_opencl or with_gallium_r600
1104   _llvm_version = '>= 3.9.0'
1105 else
1106   _llvm_version = '>= 3.3.0'
1107 endif
1108
1109 _llvm = get_option('llvm')
1110 if _llvm == 'auto'
1111   dep_llvm = dependency(
1112     'llvm', version : _llvm_version, modules : llvm_modules,
1113     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1114   )
1115   with_llvm = dep_llvm.found()
1116 elif _llvm == 'true'
1117   dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1118   with_llvm = true
1119 else
1120   dep_llvm = null_dep
1121   with_llvm = false
1122 endif
1123 if with_llvm
1124   _llvm_version = dep_llvm.version().split('.')
1125   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1126   # that for our version checks.
1127   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1128   # strippped as of 0.44, but we support older meson versions.
1129
1130   # 3 digits versions in LLVM only started from 3.4.1 on
1131   if dep_llvm.version().version_compare('>= 3.4.1')
1132     _llvm_patch = _llvm_version[2]
1133   else
1134     _llvm_patch = '0'
1135   endif
1136
1137   if _llvm_patch.endswith('svn')
1138     _llvm_patch = _llvm_patch.split('s')[0]
1139   elif _llvm_patch.contains('git')
1140     _llvm_patch = _llvm_patch.split('g')[0]
1141   endif
1142   pre_args += [
1143     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1144     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1145   ]
1146
1147   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1148   # programs, so we need to build all C++ code in mesa without rtti as well to
1149   # ensure that linking works.
1150   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1151     cpp_args += '-fno-rtti'
1152   endif
1153 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1154   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1155 endif
1156
1157 dep_glvnd = null_dep
1158 if with_glvnd
1159   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1160   pre_args += '-DUSE_LIBGLVND=1'
1161 endif
1162
1163 if with_valgrind != 'false'
1164   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1165   if dep_valgrind.found()
1166     pre_args += '-DHAVE_VALGRIND'
1167   endif
1168 else
1169   dep_valgrind = null_dep
1170 endif
1171
1172 # pthread stubs. Lets not and say we didn't
1173
1174 prog_bison = find_program('bison', required : with_any_opengl)
1175 prog_flex = find_program('flex', required : with_any_opengl)
1176
1177 dep_selinux = null_dep
1178 if get_option('selinux')
1179   dep_selinux = dependency('libselinux')
1180   pre_args += '-DMESA_SELINUX'
1181 endif
1182
1183 # TODO: llvm-prefix and llvm-shared-libs
1184
1185 if with_libunwind != 'false'
1186   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1187   if dep_unwind.found()
1188     pre_args += '-DHAVE_LIBUNWIND'
1189   endif
1190 else
1191   dep_unwind = null_dep
1192 endif
1193
1194 # TODO: gallium-hud
1195
1196 if with_osmesa != 'none'
1197   if with_osmesa == 'classic' and not with_dri_swrast
1198     error('OSMesa classic requires dri (classic) swrast.')
1199   endif
1200   if with_osmesa == 'gallium' and not with_gallium_softpipe
1201     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1202   endif
1203   osmesa_lib_name = 'OSMesa'
1204   osmesa_bits = get_option('osmesa-bits')
1205   if osmesa_bits != '8'
1206     if with_dri or with_glx != 'disabled'
1207       error('OSMesa bits must be 8 if building glx or dir based drivers')
1208     endif
1209     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1210     pre_args += [
1211       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1212     ]
1213   endif
1214 endif
1215
1216 # TODO: symbol mangling
1217
1218 if with_platform_wayland
1219   prog_wl_scanner = find_program('wayland-scanner')
1220   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1221   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1222   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1223   if with_egl
1224     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1225     dep_wayland_egl_headers = declare_dependency(
1226       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1227   endif
1228   wayland_dmabuf_xml = join_paths(
1229     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1230     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1231   )
1232   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1233 else
1234   prog_wl_scanner = []
1235   dep_wl_protocols = null_dep
1236   dep_wayland_client = null_dep
1237   dep_wayland_server = null_dep
1238   wayland_dmabuf_xml = ''
1239 endif
1240
1241 dep_x11 = null_dep
1242 dep_xext = null_dep
1243 dep_xdamage = null_dep
1244 dep_xfixes = null_dep
1245 dep_x11_xcb = null_dep
1246 dep_xcb = null_dep
1247 dep_xcb_glx = null_dep
1248 dep_xcb_dri2 = null_dep
1249 dep_xcb_dri3 = null_dep
1250 dep_dri2proto = null_dep
1251 dep_glproto = null_dep
1252 dep_xxf86vm = null_dep
1253 dep_xcb_dri3 = null_dep
1254 dep_xcb_present = null_dep
1255 dep_xcb_sync = null_dep
1256 dep_xcb_xfixes = null_dep
1257 dep_xshmfence = null_dep
1258 if with_platform_x11
1259   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1260     dep_x11 = dependency('x11')
1261     dep_xext = dependency('xext')
1262     dep_xcb = dependency('xcb')
1263   elif with_glx == 'dri'
1264     dep_x11 = dependency('x11')
1265     dep_xext = dependency('xext')
1266     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1267     dep_xfixes = dependency('xfixes')
1268     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1269     dep_xxf86vm = dependency('xxf86vm', required : false)
1270   endif
1271   if (with_any_vk or with_glx == 'dri' or
1272        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1273         with_gallium_omx != 'disabled'))
1274     dep_xcb = dependency('xcb')
1275     dep_x11_xcb = dependency('x11-xcb')
1276   endif
1277   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1278     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1279
1280     if with_dri3
1281       pre_args += '-DHAVE_DRI3'
1282       dep_xcb_dri3 = dependency('xcb-dri3')
1283       dep_xcb_present = dependency('xcb-present')
1284       # until xcb-dri3 has been around long enough to make a hard-dependency:
1285       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1286           dep_xcb_present.version().version_compare('>= 1.13'))
1287         pre_args += '-DHAVE_DRI3_MODIFIERS'
1288       endif
1289       dep_xcb_sync = dependency('xcb-sync')
1290       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1291     endif
1292   endif
1293   if with_glx == 'dri'
1294     if with_dri_platform == 'drm'
1295       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1296     endif
1297     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1298   endif
1299   if (with_egl or (
1300       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1301       with_gallium_omx != 'disabled'))
1302     dep_xcb_xfixes = dependency('xcb-xfixes')
1303   endif
1304 endif
1305
1306 if get_option('gallium-extra-hud')
1307   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1308 endif
1309
1310 _sensors = get_option('lmsensors')
1311 if _sensors != 'false'
1312   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1313   if dep_lmsensors.found()
1314     pre_args += '-DHAVE_LIBSENSORS=1'
1315   endif
1316 else
1317   dep_lmsensors = null_dep
1318 endif
1319
1320 # TODO: various libdirs
1321
1322 # TODO: gallium driver dirs
1323
1324 foreach a : pre_args
1325   add_project_arguments(a, language : ['c', 'cpp'])
1326 endforeach
1327 foreach a : c_args
1328   add_project_arguments(a, language : ['c'])
1329 endforeach
1330 foreach a : cpp_args
1331   add_project_arguments(a, language : ['cpp'])
1332 endforeach
1333
1334 inc_include = include_directories('include')
1335
1336 gl_priv_reqs = [
1337   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1338   'xcb-glx >= 1.8.1']
1339 if dep_libdrm.found()
1340   gl_priv_reqs += 'libdrm >= 2.4.75'
1341 endif
1342 if dep_xxf86vm.found()
1343   gl_priv_reqs += 'xxf86vm'
1344 endif
1345 if with_dri_platform == 'drm'
1346   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1347 endif
1348
1349 gl_priv_libs = []
1350 if dep_thread.found()
1351   gl_priv_libs += ['-lpthread', '-pthread']
1352 endif
1353 if dep_m.found()
1354   gl_priv_libs += '-lm'
1355 endif
1356 if dep_dl.found()
1357   gl_priv_libs += '-ldl'
1358 endif
1359
1360 pkg = import('pkgconfig')
1361
1362 env_test = environment()
1363 env_test.set('NM', find_program('nm').path())
1364
1365 subdir('include')
1366 subdir('bin')
1367 subdir('src')