meson.build

   1 # Copyright © 2017-2020 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', 'python3'), 'bin/meson_get_version.py']
  26   ).stdout(),
  27   license : 'MIT',
  28   meson_version : '>= 0.52',
  29   default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++14']
  30 )
  31
  32 cc = meson.get_compiler('c')
  33 cpp = meson.get_compiler('cpp')
  34
  35 null_dep = dependency('', required : false)
  36
  37 if get_option('layout') != 'mirror'
  38   error('`mirror` is the only build directory layout supported')
  39 endif
  40
  41 # Arguments for the preprocessor, put these in a separate array from the C and
  42 # C++ (cpp in meson terminology) arguments since they need to be added to the
  43 # default arguments for both C and C++.
  44 pre_args = [
  45   '-D__STDC_CONSTANT_MACROS',
  46   '-D__STDC_FORMAT_MACROS',
  47   '-D__STDC_LIMIT_MACROS',
  48   '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
  49   '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/-/issues"',
  50 ]
  51
  52 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  53 with_tests = get_option('build-tests')
  54 with_valgrind = get_option('valgrind')
  55 with_libunwind = get_option('libunwind')
  56 with_glx_read_only_text = get_option('glx-read-only-text')
  57 with_glx_direct = get_option('glx-direct')
  58 with_osmesa = get_option('osmesa')
  59 with_swr_arches = get_option('swr-arches')
  60 with_vulkan_overlay_layer = get_option('vulkan-overlay-layer')
  61 with_tools = get_option('tools')
  62 if with_tools.contains('all')
  63   with_tools = [
  64     'drm-shim',
  65     'etnaviv',
  66     'freedreno',
  67     'glsl',
  68     'intel',
  69     'intel-ui',
  70     'lima',
  71     'nir',
  72     'nouveau',
  73     'xvmc',
  74   ]
  75 endif
  76
  77 with_intel_tools = with_tools.contains('intel') or with_tools.contains('intel-ui')
  78 with_imgui = with_intel_tools or with_vulkan_overlay_layer
  79
  80 dri_drivers_path = get_option('dri-drivers-path')
  81 if dri_drivers_path == ''
  82   dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
  83 endif
  84 dri_search_path = get_option('dri-search-path')
  85 if dri_search_path == ''
  86   dri_search_path = dri_drivers_path
  87 endif
  88
  89 with_gles1 = get_option('gles1')
  90 with_gles2 = get_option('gles2')
  91 if host_machine.system() == 'windows'
  92   if with_gles1 == 'auto'
  93     with_gles1 = 'false'
  94   endif
  95   if with_gles2 == 'auto'
  96     with_gles2 = 'false'
  97   endif
  98 endif
  99 with_opengl = get_option('opengl')
 100
 101 # Default shared glapi off for windows, on elsewhere.
 102 _sg = get_option('shared-glapi')
 103 if _sg == 'auto'
 104   with_shared_glapi = host_machine.system() != 'windows'
 105 else
 106   with_shared_glapi = _sg == 'true'
 107 endif
 108
 109 # shared-glapi is required if at least two OpenGL APIs are being built
 110 if not with_shared_glapi
 111   if ((with_gles1 == 'true' and with_gles2 == 'true') or
 112       (with_gles1 == 'true' and with_opengl) or
 113       (with_gles2 == 'true' and with_opengl))
 114     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
 115   endif
 116   with_gles1 = 'false'
 117   with_gles2 = 'false'
 118 endif
 119
 120 # We require OpenGL for OpenGL ES
 121 if not with_opengl
 122   if (with_gles1 == 'true' or with_gles2 == 'true') and not with_opengl
 123     error('building OpenGL ES without OpenGL is not supported.')
 124   endif
 125   with_gles1 = 'false'
 126   with_gles2 = 'false'
 127 endif
 128
 129 with_gles1 = with_gles1 != 'false'
 130 with_gles2 = with_gles2 != 'false'
 131 with_any_opengl = with_opengl or with_gles1 or with_gles2
 132 # Only build shared_glapi if at least one OpenGL API is enabled
 133 with_shared_glapi = with_shared_glapi and with_any_opengl
 134
 135 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux', 'sunos'].contains(host_machine.system())
 136
 137 dri_drivers = get_option('dri-drivers')
 138 if dri_drivers.contains('auto')
 139   if system_has_kms_drm
 140     # TODO: PPC, Sparc
 141     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 142       dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 143     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 144       dri_drivers = []
 145     else
 146       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 147             host_machine.cpu_family()))
 148     endif
 149   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 150     # only swrast would make sense here, but gallium swrast is a much better default
 151     dri_drivers = []
 152   else
 153     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 154           host_machine.system()))
 155   endif
 156 endif
 157
 158 with_dri_i915 = dri_drivers.contains('i915')
 159 with_dri_i965 = dri_drivers.contains('i965')
 160 with_dri_r100 = dri_drivers.contains('r100')
 161 with_dri_r200 = dri_drivers.contains('r200')
 162 with_dri_nouveau = dri_drivers.contains('nouveau')
 163 with_dri_swrast = dri_drivers.contains('swrast')
 164
 165 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
 166
 167 gallium_drivers = get_option('gallium-drivers')
 168 if gallium_drivers.contains('auto')
 169   if system_has_kms_drm
 170     # TODO: PPC, Sparc
 171     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 172       gallium_drivers = [
 173         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast',
 174         'iris'
 175       ]
 176     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 177       gallium_drivers = [
 178         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 179         'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
 180       ]
 181     else
 182       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 183             host_machine.cpu_family()))
 184     endif
 185   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 186     gallium_drivers = ['swrast']
 187   else
 188     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 189           host_machine.system()))
 190   endif
 191 endif
 192 with_gallium_kmsro = gallium_drivers.contains('kmsro')
 193 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
 194 with_gallium_r300 = gallium_drivers.contains('r300')
 195 with_gallium_r600 = gallium_drivers.contains('r600')
 196 with_gallium_nouveau = gallium_drivers.contains('nouveau')
 197 with_gallium_freedreno = gallium_drivers.contains('freedreno')
 198 with_gallium_softpipe = gallium_drivers.contains('swrast')
 199 with_gallium_vc4 = gallium_drivers.contains('vc4')
 200 with_gallium_v3d = gallium_drivers.contains('v3d')
 201 with_gallium_panfrost = gallium_drivers.contains('panfrost')
 202 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
 203 with_gallium_tegra = gallium_drivers.contains('tegra')
 204 with_gallium_iris = gallium_drivers.contains('iris')
 205 with_gallium_i915 = gallium_drivers.contains('i915')
 206 with_gallium_svga = gallium_drivers.contains('svga')
 207 with_gallium_virgl = gallium_drivers.contains('virgl')
 208 with_gallium_swr = gallium_drivers.contains('swr')
 209 with_gallium_lima = gallium_drivers.contains('lima')
 210 with_gallium_zink = gallium_drivers.contains('zink')
 211
 212 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 213
 214 if with_gallium and system_has_kms_drm
 215   _glx = get_option('glx')
 216   _egl = get_option('egl')
 217   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 218     with_dri = true
 219   endif
 220 endif
 221
 222 _vulkan_drivers = get_option('vulkan-drivers')
 223 if _vulkan_drivers.contains('auto')
 224   if system_has_kms_drm
 225     if host_machine.cpu_family().startswith('x86')
 226       _vulkan_drivers = ['amd', 'intel']
 227     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 228       _vulkan_drivers = []
 229     else
 230       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 231             host_machine.cpu_family()))
 232     endif
 233   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 234     # No vulkan driver supports windows or macOS currently
 235     _vulkan_drivers = []
 236   else
 237     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 238           host_machine.system()))
 239   endif
 240 endif
 241
 242 with_intel_vk = _vulkan_drivers.contains('intel')
 243 with_amd_vk = _vulkan_drivers.contains('amd')
 244 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 245 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 246
 247 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 248   error('Only one swrast provider can be built')
 249 endif
 250 if with_dri_i915 and with_gallium_i915
 251   error('Only one i915 provider can be built')
 252 endif
 253 if with_gallium_kmsro and not (with_gallium_v3d or with_gallium_vc4 or with_gallium_etnaviv or with_gallium_freedreno or with_gallium_panfrost or with_gallium_lima)
 254   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
 255 endif
 256 if with_gallium_tegra and not with_gallium_nouveau
 257   error('tegra driver requires nouveau driver')
 258 endif
 259
 260 if host_machine.system() == 'darwin'
 261   with_dri_platform = 'apple'
 262   pre_args += '-DBUILDING_MESA'
 263 elif ['windows', 'cygwin'].contains(host_machine.system())
 264   with_dri_platform = 'windows'
 265 elif system_has_kms_drm
 266   with_dri_platform = 'drm'
 267 else
 268   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 269   # assert here that one of those cases has been met.
 270   # FIXME: illumos ends up here as well
 271   with_dri_platform = 'none'
 272 endif
 273
 274 _platforms = get_option('platforms')
 275 if _platforms.contains('auto')
 276   if system_has_kms_drm
 277     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 278   elif ['darwin', 'cygwin'].contains(host_machine.system())
 279     _platforms = ['x11', 'surfaceless']
 280   elif ['haiku'].contains(host_machine.system())
 281     _platforms = ['haiku']
 282   elif host_machine.system() == 'windows'
 283     _platforms = ['windows']
 284   else
 285     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 286           host_machine.system()))
 287   endif
 288 endif
 289
 290 with_platform_android = _platforms.contains('android')
 291 with_platform_x11 = _platforms.contains('x11')
 292 with_platform_wayland = _platforms.contains('wayland')
 293 with_platform_drm = _platforms.contains('drm')
 294 with_platform_haiku = _platforms.contains('haiku')
 295 with_platform_surfaceless = _platforms.contains('surfaceless')
 296 with_platform_windows = _platforms.contains('windows')
 297
 298 with_platforms = false
 299 if _platforms.length() != 0 and _platforms != ['']
 300   # sanity check that list contains no empty strings
 301   if _platforms.contains('')
 302     error('Invalid argument list given to -Dplatforms, please fix.')
 303   endif
 304   with_platforms = true
 305   egl_native_platform = _platforms[0]
 306 endif
 307
 308 _xlib_lease = get_option('xlib-lease')
 309 if _xlib_lease == 'auto'
 310   with_xlib_lease = with_platform_x11 and with_platform_drm
 311 else
 312   with_xlib_lease = _xlib_lease == 'true'
 313 endif
 314
 315 with_glx = get_option('glx')
 316 if with_glx == 'auto'
 317   if with_dri
 318     with_glx = 'dri'
 319   elif with_platform_haiku
 320     with_glx = 'disabled'
 321   elif host_machine.system() == 'windows'
 322     with_glx = 'disabled'
 323   elif with_gallium
 324     # Even when building just gallium drivers the user probably wants dri
 325     with_glx = 'dri'
 326   elif with_platform_x11 and with_any_opengl and not with_any_vk
 327     # The automatic behavior should not be to turn on xlib based glx when
 328     # building only vulkan drivers
 329     with_glx = 'xlib'
 330   else
 331     with_glx = 'disabled'
 332   endif
 333 endif
 334 if with_glx == 'dri'
 335    if with_gallium
 336       with_dri = true
 337    endif
 338 endif
 339
 340 if not (with_dri or with_gallium or with_glx != 'disabled')
 341   with_gles1 = false
 342   with_gles2 = false
 343   with_opengl = false
 344   with_any_opengl = false
 345   with_shared_glapi = false
 346 endif
 347
 348 _gbm = get_option('gbm')
 349 if _gbm == 'auto'
 350   with_gbm = system_has_kms_drm and with_dri
 351 else
 352   with_gbm = _gbm == 'true'
 353 endif
 354 if with_gbm and not system_has_kms_drm
 355   error('GBM only supports DRM/KMS platforms')
 356 endif
 357
 358 _egl = get_option('egl')
 359 if _egl == 'auto'
 360   with_egl = (
 361     not ['darwin', 'windows'].contains(host_machine.system()) and
 362     with_dri and with_shared_glapi and with_platforms
 363   )
 364 elif _egl == 'true'
 365   if not with_dri
 366     error('EGL requires dri')
 367   elif not with_shared_glapi
 368     error('EGL requires shared-glapi')
 369   elif not with_platforms
 370     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 371   elif not ['disabled', 'dri'].contains(with_glx)
 372     error('EGL requires dri, but a GLX is being built without dri')
 373   elif ['darwin', 'windows'].contains(host_machine.system())
 374     error('EGL is not available on Windows or MacOS')
 375   endif
 376   with_egl = true
 377 else
 378   with_egl = false
 379 endif
 380
 381 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
 382   if with_gallium_radeonsi
 383     error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
 384   endif
 385   if with_gallium_virgl
 386     error('Virgl requires the drm, surfaceless or android platform when using EGL')
 387   endif
 388 endif
 389
 390 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
 391 if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
 392   pre_args += '-DUSE_ELF_TLS'
 393 endif
 394
 395 if with_glx != 'disabled'
 396   if not (with_platform_x11 and with_any_opengl)
 397     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 398   elif with_glx == 'gallium-xlib'
 399     if not with_gallium
 400       error('Gallium-xlib based GLX requires at least one gallium driver')
 401     elif not with_gallium_softpipe
 402       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 403     elif with_dri
 404       error('gallium-xlib conflicts with any dri driver')
 405     endif
 406   elif with_glx == 'xlib'
 407     if with_dri
 408       error('xlib conflicts with any dri driver')
 409     endif
 410   elif with_glx == 'dri'
 411     if not with_shared_glapi
 412       error('dri based GLX requires shared-glapi')
 413     endif
 414   endif
 415 endif
 416
 417 with_glvnd = get_option('glvnd')
 418 if with_glvnd
 419   if with_platform_windows
 420     error('glvnd cannot be used on Windows')
 421   elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
 422     error('Cannot build glvnd support for GLX that is not DRI based.')
 423   elif with_glx == 'disabled' and not with_egl
 424     error('glvnd requires DRI based GLX and/or EGL')
 425   endif
 426   if get_option('egl-lib-suffix') != ''
 427     error('''EGL lib suffix can't be used with libglvnd''')
 428   endif
 429 endif
 430
 431 if with_vulkan_icd_dir == ''
 432   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 433 endif
 434
 435 # GNU/Hurd includes egl_dri2, without drm.
 436 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
 437   host_machine.system() == 'gnu')
 438 _dri3 = get_option('dri3')
 439 if _dri3 == 'auto'
 440   with_dri3 = system_has_kms_drm and with_dri2
 441 else
 442   with_dri3 = _dri3 == 'true'
 443 endif
 444
 445 if with_any_vk and (with_platform_x11 and not with_dri3)
 446   error('Vulkan drivers require dri3 for X11 support')
 447 endif
 448 if with_dri
 449   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 450     error('building dri drivers require at least one windowing system or classic osmesa')
 451   endif
 452 endif
 453
 454 _vdpau = get_option('gallium-vdpau')
 455 if not system_has_kms_drm
 456   if _vdpau == 'true'
 457     error('VDPAU state tracker can only be build on unix-like OSes.')
 458   else
 459     _vdpau = 'false'
 460   endif
 461 elif not with_platform_x11
 462   if _vdpau == 'true'
 463     error('VDPAU state tracker requires X11 support.')
 464   else
 465     _vdpau = 'false'
 466   endif
 467 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 468           with_gallium_nouveau)
 469   if _vdpau == 'true'
 470     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 471   else
 472     _vdpau = 'false'
 473   endif
 474 endif
 475 dep_vdpau = null_dep
 476 with_gallium_vdpau = false
 477 if _vdpau != 'false'
 478   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 479   if dep_vdpau.found()
 480     dep_vdpau = dep_vdpau.partial_dependency(compile_args : true)
 481     with_gallium_vdpau = true
 482   endif
 483 endif
 484
 485 if with_gallium_vdpau
 486   pre_args += '-DHAVE_ST_VDPAU'
 487 endif
 488 vdpau_drivers_path = get_option('vdpau-libs-path')
 489 if vdpau_drivers_path == ''
 490   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 491 endif
 492
 493 if with_gallium_zink
 494   dep_vulkan = dependency('vulkan')
 495 endif
 496
 497 _xvmc = get_option('gallium-xvmc')
 498 if not system_has_kms_drm
 499   if _xvmc == 'true'
 500     error('XVMC state tracker can only be build on unix-like OSes.')
 501   else
 502     _xvmc = 'false'
 503   endif
 504 elif not with_platform_x11
 505   if _xvmc == 'true'
 506     error('XVMC state tracker requires X11 support.')
 507   else
 508     _xvmc = 'false'
 509   endif
 510 elif not (with_gallium_r600 or with_gallium_nouveau)
 511   if _xvmc == 'true'
 512     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 513   else
 514     _xvmc = 'false'
 515   endif
 516 endif
 517 dep_xvmc = null_dep
 518 dep_xv = null_dep
 519 with_gallium_xvmc = false
 520 if _xvmc != 'false'
 521   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 522   dep_xv = dependency('xv', required : _xvmc == 'true')
 523   with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
 524 endif
 525
 526 xvmc_drivers_path = get_option('xvmc-libs-path')
 527 if xvmc_drivers_path == ''
 528   xvmc_drivers_path = get_option('libdir')
 529 endif
 530
 531 _omx = get_option('gallium-omx')
 532 if not system_has_kms_drm
 533   if ['auto', 'disabled'].contains(_omx)
 534     _omx = 'disabled'
 535   else
 536     error('OMX state tracker can only be built on unix-like OSes.')
 537   endif
 538 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 539   if ['auto', 'disabled'].contains(_omx)
 540     _omx = 'disabled'
 541   else
 542     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 543   endif
 544 endif
 545 with_gallium_omx = _omx
 546 dep_omx = null_dep
 547 dep_omx_other = []
 548 if ['auto', 'bellagio'].contains(_omx)
 549   dep_omx = dependency(
 550     'libomxil-bellagio', required : _omx == 'bellagio'
 551   )
 552   if dep_omx.found()
 553     with_gallium_omx = 'bellagio'
 554   endif
 555 endif
 556 if ['auto', 'tizonia'].contains(_omx)
 557   if with_dri and with_egl
 558     dep_omx = dependency(
 559       'libtizonia', version : '>= 0.10.0',
 560       required : _omx == 'tizonia',
 561     )
 562     dep_omx_other = [
 563       dependency('libtizplatform', required : _omx == 'tizonia'),
 564       dependency('tizilheaders', required : _omx == 'tizonia'),
 565     ]
 566     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 567       with_gallium_omx = 'tizonia'
 568     endif
 569   elif _omx == 'tizonia'
 570     error('OMX-Tizonia state tracker requires dri and egl')
 571   endif
 572 endif
 573 if _omx == 'auto'
 574   with_gallium_omx = 'disabled'
 575 else
 576   with_gallium_omx = _omx
 577 endif
 578
 579 pre_args += [
 580   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 581   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 582 ]
 583
 584
 585 omx_drivers_path = get_option('omx-libs-path')
 586
 587 if with_gallium_omx != 'disabled'
 588   # Figure out where to put the omx driver.
 589   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 590   # argument to meson's get_pkgconfig_variable method.
 591   if omx_drivers_path == ''
 592     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 593     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 594     if _omx_libdir == get_option('libdir')
 595       omx_drivers_path = _omx_drivers_dir
 596     else
 597       _omx_base_dir = []
 598       # This will fail on windows. Does OMX run on windows?
 599       _omx_libdir = _omx_libdir.split('/')
 600       _omx_drivers_dir = _omx_drivers_dir.split('/')
 601       foreach o : _omx_drivers_dir
 602         if not _omx_libdir.contains(o)
 603           _omx_base_dir += o
 604         endif
 605       endforeach
 606       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 607     endif
 608   endif
 609 endif
 610
 611 _va = get_option('gallium-va')
 612 if not system_has_kms_drm
 613   if _va == 'true'
 614     error('VA state tracker can only be built on unix-like OSes.')
 615   else
 616     _va = 'false'
 617   endif
 618 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 619   if _va == 'true'
 620     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 621   else
 622     _va = 'false'
 623   endif
 624 endif
 625 with_gallium_va = false
 626 dep_va = null_dep
 627 if _va != 'false'
 628   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 629   if dep_va.found()
 630     dep_va_headers = dep_va.partial_dependency(compile_args : true)
 631     with_gallium_va = true
 632   endif
 633 endif
 634
 635 va_drivers_path = get_option('va-libs-path')
 636 if va_drivers_path == ''
 637   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 638 endif
 639
 640 _xa = get_option('gallium-xa')
 641 if not system_has_kms_drm
 642   if _xa == 'true'
 643     error('XA state tracker can only be built on unix-like OSes.')
 644   else
 645     _xa = 'false'
 646   endif
 647 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 648           or with_gallium_svga)
 649   if _xa == 'true'
 650     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 651   else
 652     _xa = 'false'
 653   endif
 654 endif
 655 with_gallium_xa = _xa != 'false'
 656
 657 d3d_drivers_path = get_option('d3d-drivers-path')
 658 if d3d_drivers_path == ''
 659   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 660 endif
 661
 662 with_gallium_st_nine =  get_option('gallium-nine')
 663 if with_gallium_st_nine
 664   if not with_gallium_softpipe
 665     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 666   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 667             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 668             or with_gallium_iris)
 669     error('The nine state tracker requires at least one non-swrast gallium driver.')
 670   endif
 671   if not with_dri3
 672     error('Using nine with wine requires dri3')
 673   endif
 674 endif
 675
 676 if get_option('power8') != 'false'
 677   # on old versions of meson the cpu family would return as ppc64le on little
 678   # endian power8, this was changed in 0.48 such that the family would always
 679   # be ppc64 regardless of endianness, and then the machine.endian() value
 680   # should be checked. Since we support versions < 0.48 we need to use
 681   # startswith.
 682   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 683     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 684       error('Altivec is not supported with gcc version < 4.8.')
 685     endif
 686     if cc.compiles('''
 687         #include <altivec.h>
 688         int main() {
 689           vector unsigned char r;
 690           vector unsigned int v = vec_splat_u32 (1);
 691           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 692           return 0;
 693         }''',
 694         args : '-mpower8-vector',
 695         name : 'POWER8 intrinsics')
 696       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 697     elif get_option('power8') == 'true'
 698       error('POWER8 intrinsic support required but not found.')
 699     endif
 700   endif
 701 endif
 702
 703 _opencl = get_option('gallium-opencl')
 704 clover_cpp_std = []
 705 if _opencl != 'disabled'
 706   if not with_gallium
 707     error('OpenCL Clover implementation requires at least one gallium driver.')
 708   endif
 709
 710   dep_clc = dependency('libclc')
 711   with_gallium_opencl = true
 712   with_opencl_icd = _opencl == 'icd'
 713
 714   with_opencl_spirv = get_option('opencl-spirv')
 715   if with_opencl_spirv
 716     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 717     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 718     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 719   else
 720     dep_spirv_tools = null_dep
 721     dep_llvmspirvlib = null_dep
 722   endif
 723
 724   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 725       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 726       #error "AltiVec not enabled"
 727       #endif''',
 728       name : 'Altivec')
 729     clover_cpp_std += ['cpp_std=gnu++11']
 730   endif
 731 else
 732   dep_clc = null_dep
 733   dep_spirv_tools = null_dep
 734   dep_llvmspirvlib = null_dep
 735   with_gallium_opencl = false
 736   with_opencl_icd = false
 737   with_opencl_spirv = false
 738 endif
 739
 740 gl_pkgconfig_c_flags = []
 741 if with_platform_x11
 742   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 743     pre_args += '-DHAVE_X11_PLATFORM'
 744   endif
 745   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 746     pre_args += '-DUSE_XSHM'
 747   else
 748     pre_args += '-DGLX_INDIRECT_RENDERING'
 749     if with_glx_direct
 750       pre_args += '-DGLX_DIRECT_RENDERING'
 751     endif
 752     if with_dri_platform == 'drm'
 753       pre_args += '-DGLX_USE_DRM'
 754     elif with_dri_platform == 'apple'
 755       pre_args += '-DGLX_USE_APPLEGL'
 756     elif with_dri_platform == 'windows'
 757       pre_args += '-DGLX_USE_WINDOWSGL'
 758     endif
 759   endif
 760 else
 761   pre_args += '-DEGL_NO_X11'
 762   gl_pkgconfig_c_flags += '-DEGL_NO_X11'
 763 endif
 764 if with_platform_drm
 765   if with_egl and not with_gbm
 766     error('EGL drm platform requires gbm')
 767   endif
 768   pre_args += '-DHAVE_DRM_PLATFORM'
 769 endif
 770 if with_platform_surfaceless
 771   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 772 endif
 773 if with_platform_android
 774   dep_android = [
 775     dependency('cutils'),
 776     dependency('hardware'),
 777     dependency('sync'),
 778   ]
 779   if with_gallium
 780     dep_android += dependency('backtrace')
 781   endif
 782   if get_option('platform-sdk-version') >= 26
 783     dep_android += dependency('nativewindow')
 784   endif
 785   pre_args += '-DHAVE_ANDROID_PLATFORM'
 786 endif
 787 if with_platform_haiku
 788   pre_args += '-DHAVE_HAIKU_PLATFORM'
 789 endif
 790
 791 prog_python = import('python').find_installation('python3')
 792 has_mako = run_command(
 793   prog_python, '-c',
 794   '''
 795 from distutils.version import StrictVersion
 796 import mako
 797 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 798   ''')
 799 if has_mako.returncode() != 0
 800   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 801 endif
 802
 803 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 804   error('When using GCC, version 4.4.6 or later is required.')
 805 endif
 806
 807 # Support systems without ETIME (e.g. FreeBSD)
 808 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
 809   pre_args += '-DETIME=ETIMEDOUT'
 810 endif
 811
 812 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 813 if get_option('buildtype') == 'debug'
 814   pre_args += '-DDEBUG'
 815 endif
 816
 817 with_shader_cache = false
 818 _shader_cache = get_option('shader-cache')
 819 if _shader_cache != 'false'
 820   if host_machine.system() == 'windows'
 821     if _shader_cache == 'true'
 822       error('Shader Cache does not currently work on Windows')
 823     endif
 824   else
 825     pre_args += '-DENABLE_SHADER_CACHE'
 826     with_shader_cache = true
 827   endif
 828 endif
 829 if with_amd_vk and not with_shader_cache
 830   error('Radv requires shader cache support')
 831 endif
 832
 833 # Check for GCC style builtins
 834 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 835              'ffsll', 'popcount', 'popcountll', 'unreachable']
 836   if cc.has_function(b)
 837     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 838   endif
 839 endforeach
 840
 841 # check for GCC __attribute__
 842 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 843              'warn_unused_result', 'weak',]
 844   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 845                  name : '__attribute__((@0@))'.format(a))
 846     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 847   endif
 848 endforeach
 849 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 850                name : '__attribute__((format(...)))')
 851   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 852 endif
 853 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 854                name : '__attribute__((packed))')
 855   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 856 endif
 857 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 858                name : '__attribute__((returns_nonnull))')
 859   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 860 endif
 861 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 862                   int foo_hid(void) __attribute__((visibility("hidden")));
 863                   int foo_int(void) __attribute__((visibility("internal")));
 864                   int foo_pro(void) __attribute__((visibility("protected")));''',
 865                name : '__attribute__((visibility(...)))')
 866   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 867 endif
 868 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 869                name : '__attribute__((alias(...)))')
 870   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 871 endif
 872 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 873                name : '__attribute__((__noreturn__))')
 874   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 875 endif
 876 if cc.compiles('__uint128_t foo(void) { return 0; }',
 877                name : '__uint128_t')
 878   pre_args += '-DHAVE_UINT128'
 879 endif
 880
 881 # TODO: this is very incomplete
 882 if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd'].contains(host_machine.system())
 883   pre_args += '-D_GNU_SOURCE'
 884 elif host_machine.system() == 'sunos'
 885   pre_args += '-D__EXTENSIONS__'
 886 elif host_machine.system() == 'windows'
 887   pre_args += [
 888     '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-DWINVER=0x0601',
 889     '-DPIPE_SUBSYSTEM_WINDOWS_USER',
 890     '-D_USE_MATH_DEFINES',  # XXX: scons doesn't use this for mingw
 891   ]
 892   if cc.get_id() == 'msvc'
 893     pre_args += [
 894       '-DVC_EXTRALEAN',
 895       '-D_CRT_SECURE_NO_WARNINGS',
 896       '-D_CRT_SECURE_NO_DEPRECATE',
 897       '-D_SCL_SECURE_NO_WARNINGS',
 898       '-D_SCL_SECURE_NO_DEPRECATE',
 899       '-D_ALLOW_KEYWORD_MACROS',
 900       '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
 901     ]
 902   else
 903     pre_args += ['-D__MSVCRT_VERSION__=0x0700']
 904   endif
 905 endif
 906
 907 # Check for generic C arguments
 908 c_args = []
 909 c_vis_args = []
 910 c_msvc_compat_args = []
 911 no_override_init_args = []
 912 cpp_args = []
 913 cpp_vis_args = []
 914 cpp_msvc_compat_args = []
 915 if cc.get_id() == 'msvc'
 916   foreach a : ['/wd4018',  # signed/unsigned mismatch
 917                '/wd4056',  # overflow in floating-point constant arithmetic
 918                '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
 919                '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
 920                '/wd4305',  # trancation from 'type1' to 'type2'
 921                '/wd4351',  # new behavior: elements of array 'array' will be default initialized
 922                '/wd4756',  # overflow in constant arithmetic
 923                '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
 924                '/wd4996',  # disabled deprecated POSIX name warnings
 925                '/wd4291',  # no matching operator delete found
 926                '/wd4146',  # unary minus operator applied to unsigned type, result still unsigned
 927                '/wd4200',  # nonstandard extension used: zero-sized array in struct/union
 928                '/wd4624',  # destructor was implicitly defined as deleted [from LLVM]
 929               ]
 930     if cc.has_argument(a)
 931       c_args += a
 932     endif
 933     if cpp.has_argument(a)
 934       cpp_args += a
 935     endif
 936   endforeach
 937   if cc.has_argument('-Wmicrosoft-enum-value')  # Clang
 938     c_args += '-Wno-microsoft-enum-value'
 939     cpp_args += '-Wno-microsoft-enum-value'
 940   endif
 941 else
 942   _trial = [
 943     '-Werror=implicit-function-declaration',
 944     '-Werror=missing-prototypes',
 945     '-Werror=return-type',
 946     '-Werror=empty-body',
 947     '-Werror=incompatible-pointer-types',
 948     '-Werror=int-conversion',
 949     '-Wno-missing-field-initializers',
 950     '-Wno-format-truncation',
 951     '-fno-math-errno',
 952     '-fno-trapping-math',
 953     '-Qunused-arguments',
 954     '-fno-common',
 955   ]
 956   # MinGW chokes on format specifiers and I can't get it all working
 957   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 958     _trial += ['-Werror=format', '-Wformat-security']
 959   endif
 960   foreach a : _trial
 961     if cc.has_argument(a)
 962       c_args += a
 963     endif
 964   endforeach
 965
 966   _trial = [
 967     '-Werror=return-type',
 968     '-Werror=empty-body',
 969     '-Wno-non-virtual-dtor',
 970     '-Wno-missing-field-initializers',
 971     '-Wno-format-truncation',
 972     '-fno-math-errno',
 973     '-fno-trapping-math',
 974     '-Qunused-arguments',
 975     # Some classes use custom new operator which zeroes memory, however
 976     # gcc does aggressive dead-store elimination which threats all writes
 977     # to the memory before the constructor as "dead stores".
 978     # For now we disable this optimization.
 979     '-flifetime-dse=1',
 980   ]
 981   # MinGW chokes on format specifiers and I can't get it all working
 982   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 983     _trial += ['-Werror=format', '-Wformat-security']
 984   endif
 985   foreach a : _trial
 986     if cpp.has_argument(a)
 987       cpp_args += a
 988     endif
 989   endforeach
 990
 991   foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 992     if cc.has_argument(a)
 993       no_override_init_args += a
 994     endif
 995   endforeach
 996
 997   if cc.has_argument('-fvisibility=hidden')
 998     c_vis_args += '-fvisibility=hidden'
 999   endif
1000
1001   # Check for C and C++ arguments for MSVC compatibility. These are only used
1002   # in parts of the mesa code base that need to compile with MSVC, mainly
1003   # common code
1004   foreach a : ['-Werror=pointer-arith', '-Werror=vla', '-Werror=gnu-empty-initializer']
1005     if cc.has_argument(a)
1006       c_msvc_compat_args += a
1007     endif
1008     if cpp.has_argument(a)
1009       cpp_msvc_compat_args += a
1010     endif
1011   endforeach
1012
1013   if cpp.has_argument('-fvisibility=hidden')
1014     cpp_vis_args += '-fvisibility=hidden'
1015   endif
1016
1017 endif
1018
1019 # set linker arguments
1020 if host_machine.system() == 'windows'
1021   if cc.get_id() == 'msvc'
1022     add_project_link_arguments(
1023       '/fixed:no',
1024       '/dynamicbase',
1025       '/nxcompat',
1026       language : ['c', 'cpp'],
1027     )
1028     if get_option('buildtype') != 'debug'
1029       add_project_link_arguments(
1030         '/incremental:no',
1031         language : ['c', 'cpp'],
1032       )
1033     endif
1034   else
1035     add_project_link_arguments(
1036       '-Wl,--nxcompat',
1037       '-Wl,--dynamicbase',
1038       '-static-libgcc',
1039       '-static-libstdc++',
1040       language : ['c', 'cpp'],
1041     )
1042   endif
1043 endif
1044
1045 if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1046   pre_args += '-DUSE_SSE41'
1047   with_sse41 = true
1048   sse41_args = ['-msse4.1']
1049
1050   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1051   # that's not guaranteed
1052   if host_machine.cpu_family() == 'x86'
1053     sse41_args += '-mstackrealign'
1054   endif
1055 else
1056   with_sse41 = false
1057   sse41_args = []
1058 endif
1059
1060 # Check for GCC style atomics
1061 dep_atomic = null_dep
1062
1063 if cc.compiles('''#include <stdint.h>
1064                   int main() {
1065                     struct {
1066                       uint64_t *v;
1067                     } x;
1068                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1069                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1070
1071                   }''',
1072                name : 'GCC atomic builtins')
1073   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1074
1075   # Not all atomic calls can be turned into lock-free instructions, in which
1076   # GCC will make calls into the libatomic library. Check whether we need to
1077   # link with -latomic.
1078   #
1079   # This can happen for 64-bit atomic operations on 32-bit architectures such
1080   # as ARM.
1081   if not cc.links('''#include <stdint.h>
1082                      int main() {
1083                        struct {
1084                          uint64_t *v;
1085                        } x;
1086                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1087                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1088                      }''',
1089                   name : 'GCC atomic builtins required -latomic')
1090     dep_atomic = cc.find_library('atomic')
1091   endif
1092 endif
1093 if not cc.links('''#include <stdint.h>
1094                    uint64_t v;
1095                    int main() {
1096                      return __sync_add_and_fetch(&v, (uint64_t)1);
1097                    }''',
1098                 dependencies : dep_atomic,
1099                 name : 'GCC 64bit atomics')
1100   pre_args += '-DMISSING_64BIT_ATOMICS'
1101 endif
1102
1103 dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1104
1105 # TODO: shared/static? Is this even worth doing?
1106
1107 with_asm_arch = ''
1108 if host_machine.cpu_family() == 'x86'
1109   if system_has_kms_drm or host_machine.system() == 'gnu'
1110     with_asm_arch = 'x86'
1111     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1112                  '-DUSE_SSE_ASM']
1113
1114     if with_glx_read_only_text
1115       pre_args += ['-DGLX_X86_READONLY_TEXT']
1116     endif
1117   endif
1118 elif host_machine.cpu_family() == 'x86_64'
1119   if system_has_kms_drm
1120     with_asm_arch = 'x86_64'
1121     pre_args += ['-DUSE_X86_64_ASM']
1122   endif
1123 elif host_machine.cpu_family() == 'arm'
1124   if system_has_kms_drm
1125     with_asm_arch = 'arm'
1126     pre_args += ['-DUSE_ARM_ASM']
1127   endif
1128 elif host_machine.cpu_family() == 'aarch64'
1129   if system_has_kms_drm
1130     with_asm_arch = 'aarch64'
1131     pre_args += ['-DUSE_AARCH64_ASM']
1132   endif
1133 elif host_machine.cpu_family() == 'sparc64'
1134   if system_has_kms_drm
1135     with_asm_arch = 'sparc'
1136     pre_args += ['-DUSE_SPARC_ASM']
1137   endif
1138 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1139   if system_has_kms_drm
1140     with_asm_arch = 'ppc64le'
1141     pre_args += ['-DUSE_PPC64LE_ASM']
1142   endif
1143 endif
1144
1145 # Check for standard headers and functions
1146 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1147   cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1148   cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1149   pre_args += '-DMAJOR_IN_SYSMACROS'
1150 endif
1151 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1152   cc.has_header_symbol('sys/mkdev.h', 'minor') and
1153   cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1154   pre_args += '-DMAJOR_IN_MKDEV'
1155 endif
1156
1157 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1158   if cc.check_header(h)
1159     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1160   endif
1161 endforeach
1162
1163 foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r', 'flock', 'strtok_r', 'getrandom']
1164   if cc.has_function(f)
1165     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1166   endif
1167 endforeach
1168
1169 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1170                         args : '-D_GNU_SOURCE')
1171    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1172 elif with_tools.contains('intel')
1173   error('Intel tools require the program_invocation_name variable')
1174 endif
1175
1176 # MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1177 # This means that this check will succeed, but then compilation will later
1178 # fail. MSVC doesn't have this function at all, so only check for it on
1179 # non-windows platforms.
1180 if host_machine.system() != 'windows'
1181   if cc.has_function('posix_memalign')
1182     pre_args += '-DHAVE_POSIX_MEMALIGN'
1183   endif
1184 endif
1185
1186 if cc.has_member('struct dirent', 'd_type', prefix: '''#include <sys/types.h>
1187    #include <dirent.h>''')
1188    pre_args += '-DHAVE_DIRENT_D_TYPE'
1189 endif
1190
1191 # strtod locale support
1192 if cc.links('''
1193     #define _GNU_SOURCE
1194     #include <stdlib.h>
1195     #include <locale.h>
1196     #ifdef HAVE_XLOCALE_H
1197     #include <xlocale.h>
1198     #endif
1199     int main() {
1200       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1201       const char *s = "1.0";
1202       char *end;
1203       double d = strtod_l(s, end, loc);
1204       float f = strtof_l(s, end, loc);
1205       freelocale(loc);
1206       return 0;
1207     }''',
1208     args : pre_args,
1209     name : 'strtod has locale support')
1210   pre_args += '-DHAVE_STRTOD_L'
1211 endif
1212
1213 # Check for some linker flags
1214 ld_args_bsymbolic = []
1215 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1216   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1217 endif
1218 ld_args_gc_sections = []
1219 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1220             args : '-Wl,--gc-sections', name : 'gc-sections')
1221   ld_args_gc_sections += '-Wl,--gc-sections'
1222 endif
1223 with_ld_version_script = false
1224 if cc.links('int main() { return 0; }',
1225             args : '-Wl,--version-script=@0@'.format(
1226               join_paths(meson.source_root(), 'build-support/conftest.map')),
1227             name : 'version-script')
1228   with_ld_version_script = true
1229 endif
1230 with_ld_dynamic_list = false
1231 if cc.links('int main() { return 0; }',
1232             args : '-Wl,--dynamic-list=@0@'.format(
1233               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1234             name : 'dynamic-list')
1235   with_ld_dynamic_list = true
1236 endif
1237
1238 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1239
1240 # check for dl support
1241 dep_dl = null_dep
1242 if not cc.has_function('dlopen')
1243   dep_dl = cc.find_library('dl', required : host_machine.system() != 'windows')
1244 endif
1245 if cc.has_function('dladdr', dependencies : dep_dl)
1246   # This is really only required for megadrivers
1247   pre_args += '-DHAVE_DLADDR'
1248 endif
1249
1250 if cc.has_function('dl_iterate_phdr')
1251   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1252 elif with_intel_vk
1253   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1254 elif with_dri_i965 and with_shader_cache
1255   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1256 endif
1257
1258 # Determine whether or not the rt library is needed for time functions
1259 if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1260   dep_clock = null_dep
1261 else
1262   dep_clock = cc.find_library('rt')
1263 endif
1264
1265 # TODO: some of these may be conditional
1266 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1267 pre_args += '-DHAVE_ZLIB'
1268
1269 _zstd = get_option('zstd')
1270 if _zstd != 'false'
1271   dep_zstd = dependency('libzstd', required : _zstd == 'true')
1272   if dep_zstd.found()
1273     pre_args += '-DHAVE_ZSTD'
1274   endif
1275 else
1276   dep_zstd = null_dep
1277 endif
1278
1279 dep_thread = dependency('threads')
1280 if dep_thread.found() and host_machine.system() != 'windows'
1281   pre_args += '-DHAVE_PTHREAD'
1282   if cc.has_function(
1283       'pthread_setaffinity_np',
1284       dependencies : dep_thread,
1285       prefix : '#include <pthread.h>',
1286       args : '-D_GNU_SOURCE')
1287     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1288   endif
1289   if cc.has_function(
1290       'pthread_setaffinity_np',
1291       dependencies : dep_thread,
1292       prefix : '#include <pthread_np.h>')
1293     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1294   endif
1295 endif
1296 if host_machine.system() != 'windows'
1297   dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1298 else
1299   dep_expat = null_dep
1300 endif
1301 # this only exists on linux so either this is linux and it will be found, or
1302 # it's not linux and wont
1303 dep_m = cc.find_library('m', required : false)
1304
1305 # Check for libdrm. Various drivers have different libdrm version requirements,
1306 # but we always want to use the same version for all libdrm modules. That means
1307 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1308 # bar are both on use 2.4.3 for both of them
1309 dep_libdrm_amdgpu = null_dep
1310 dep_libdrm_radeon = null_dep
1311 dep_libdrm_nouveau = null_dep
1312 dep_libdrm_intel = null_dep
1313
1314 _drm_amdgpu_ver = '2.4.100'
1315 _drm_radeon_ver = '2.4.71'
1316 _drm_nouveau_ver = '2.4.66'
1317 _drm_intel_ver = '2.4.75'
1318 _drm_ver = '2.4.81'
1319
1320 _libdrm_checks = [
1321   ['intel', with_dri_i915 or with_gallium_i915],
1322   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1323   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1324               with_gallium_r300 or with_gallium_r600)],
1325   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1326 ]
1327
1328 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1329 # library.
1330 if with_gallium_vc4
1331   _drm_ver = '2.4.89'
1332 endif
1333
1334 # etnaviv only needs core libdrm
1335 if with_gallium_etnaviv
1336   _drm_ver = '2.4.89'
1337 endif
1338
1339 # Loop over the enables versions and get the highest libdrm requirement for all
1340 # active drivers.
1341 _drm_blame = ''
1342 foreach d : _libdrm_checks
1343   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1344   if d[1] and ver.version_compare('>' + _drm_ver)
1345     _drm_ver = ver
1346     _drm_blame = d[0]
1347   endif
1348 endforeach
1349 if _drm_blame != ''
1350   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1351 endif
1352
1353 # Then get each libdrm module
1354 foreach d : _libdrm_checks
1355   if d[1]
1356     set_variable(
1357       'dep_libdrm_' + d[0],
1358       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1359     )
1360   endif
1361 endforeach
1362
1363 with_gallium_drisw_kms = false
1364 dep_libdrm = dependency(
1365   'libdrm', version : '>=' + _drm_ver,
1366   # GNU/Hurd includes egl_dri2, without drm.
1367   required : (with_dri2 and host_machine.system() != 'gnu') or with_dri3
1368 )
1369 if dep_libdrm.found()
1370   pre_args += '-DHAVE_LIBDRM'
1371   if with_dri_platform == 'drm' and with_dri
1372     with_gallium_drisw_kms = true
1373   endif
1374 endif
1375
1376 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
1377 llvm_optional_modules = ['coroutines']
1378 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1379   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1380   if with_gallium_r600
1381     llvm_modules += 'asmparser'
1382   endif
1383 endif
1384 if with_gallium_opencl
1385   llvm_modules += [
1386     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1387     'lto', 'option', 'objcarcopts', 'profiledata',
1388   ]
1389 endif
1390
1391 if with_amd_vk or with_gallium_radeonsi
1392   _llvm_version = '>= 8.0.0'
1393 elif with_gallium_swr
1394   _llvm_version = '>= 6.0.0'
1395 else
1396   _llvm_version = '>= 3.9.0'
1397 endif
1398
1399 _shared_llvm = get_option('shared-llvm')
1400 if _shared_llvm == 'auto'
1401   _shared_llvm = (host_machine.system() != 'windows')
1402 else
1403   _shared_llvm = (_shared_llvm == 'true')
1404 endif
1405 _llvm = get_option('llvm')
1406
1407 # the cmake method can only link statically, so don't attempt to use it if we
1408 # want to link dynamically. Before 0.54.0 meson will try cmake even when shared
1409 # linking is requested, so we need to force the config-tool method to be used
1410 # in that case, but in 0.54.0 meson won't try the cmake method if shared
1411 # linking is requested.
1412 _llvm_method = 'auto'
1413 if meson.version().version_compare('< 0.54.0') and _shared_llvm
1414   _llvm_method = 'config-tool'
1415 endif
1416
1417 dep_llvm = null_dep
1418 with_llvm = false
1419 if _llvm != 'false'
1420   dep_llvm = dependency(
1421     'llvm',
1422     version : _llvm_version,
1423     modules : llvm_modules,
1424     optional_modules : llvm_optional_modules,
1425     required : (
1426       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1427       with_gallium_opencl or _llvm == 'true'
1428     ),
1429     static : not _shared_llvm,
1430     method : _llvm_method,
1431     fallback : ['llvm', 'dep_llvm'],
1432   )
1433   with_llvm = dep_llvm.found()
1434 endif
1435 if with_llvm
1436   pre_args += '-DLLVM_AVAILABLE'
1437   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1438
1439   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1440   # programs, so we need to build all C++ code in mesa without rtti as well to
1441   # ensure that linking works.
1442   #
1443   # In meson 0.51.0 we can use cmake to find LLVM in addittion to meson's
1444   # builtin llvm-config based finder. A new generic variable getter method
1445   # has also been added, so we'll use that if we can, to cover the cmake case.
1446   if dep_llvm.type_name() == 'internal'
1447     _rtti = subproject('llvm').get_variable('has_rtti', true)
1448   else
1449     # The CMake finder will return 'ON', the llvm-config will return 'YES'
1450     _rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1451   endif
1452   if not _rtti
1453     if with_gallium_nouveau
1454       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1455     elif with_gallium_opencl
1456       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1457     endif
1458     if cc.get_id() == 'msvc'
1459       cpp_args += '/GR-'
1460     else
1461       cpp_args += '-fno-rtti'
1462     endif
1463   endif
1464 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1465   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1466 elif with_gallium_opencl
1467   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1468 endif
1469
1470 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1471     (with_gallium_r600 and with_llvm))
1472   dep_elf = dependency('libelf', required : false)
1473   if not dep_elf.found()
1474     dep_elf = cc.find_library('elf')
1475   endif
1476 else
1477   dep_elf = null_dep
1478 endif
1479
1480 dep_glvnd = null_dep
1481 if with_glvnd
1482   dep_glvnd = dependency('libglvnd', version : '>= 1.2.0')
1483   pre_args += '-DUSE_LIBGLVND=1'
1484 endif
1485
1486 if with_valgrind != 'false'
1487   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1488   if dep_valgrind.found()
1489     pre_args += '-DHAVE_VALGRIND'
1490   endif
1491 else
1492   dep_valgrind = null_dep
1493 endif
1494
1495 # pthread stubs. Lets not and say we didn't
1496
1497 if host_machine.system() == 'windows'
1498   # Prefer the winflexbison versions, they're much easier to install and have
1499   # better windows support.
1500
1501   prog_flex = find_program('win_flex', required : false)
1502   if prog_flex.found()
1503     # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1504     # _fileno functions)
1505     prog_flex = [prog_flex, '--wincompat', '-D__STDC_VERSION__=199901']
1506   else
1507     prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1508   endif
1509   # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1510   # __STDC__ macro to determine whether it's safe to use const keyword, but
1511   # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1512   prog_flex += '-DYY_USE_CONST='
1513
1514   prog_bison = find_program('win_bison', required : false)
1515   if not prog_bison.found()
1516     prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1517   endif
1518 else
1519   prog_bison = find_program('bison', required : with_any_opengl)
1520
1521   # Disable deprecated keyword warnings, since we have to use them for
1522   # old-bison compat.  See discussion in
1523   # https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2161
1524   if find_program('bison', required : false, version : '> 2.3').found()
1525     prog_bison = [prog_bison, '-Wno-deprecated']
1526   endif
1527
1528   prog_flex = find_program('flex', required : with_any_opengl)
1529 endif
1530
1531 dep_selinux = null_dep
1532 if get_option('selinux')
1533   dep_selinux = dependency('libselinux')
1534   pre_args += '-DMESA_SELINUX'
1535 endif
1536
1537 if with_libunwind != 'false'
1538   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1539   if dep_unwind.found()
1540     pre_args += '-DHAVE_LIBUNWIND'
1541   endif
1542 else
1543   dep_unwind = null_dep
1544 endif
1545
1546 if with_osmesa != 'none'
1547   if with_osmesa == 'gallium' and not with_gallium_softpipe
1548     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1549   endif
1550   if host_machine.system() == 'windows'
1551     osmesa_lib_name = 'osmesa'
1552   else
1553     osmesa_lib_name = 'OSMesa'
1554   endif
1555   osmesa_bits = get_option('osmesa-bits')
1556   if osmesa_bits != '8'
1557     if with_dri or with_glx != 'disabled'
1558       error('OSMesa bits must be 8 if building glx or dir based drivers')
1559     endif
1560     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1561     pre_args += [
1562       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1563     ]
1564   endif
1565 endif
1566
1567 # TODO: symbol mangling
1568
1569 if with_platform_wayland
1570   dep_wl_scanner = dependency('wayland-scanner', native: true)
1571   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1572   if dep_wl_scanner.version().version_compare('>= 1.15')
1573     wl_scanner_arg = 'private-code'
1574   else
1575     wl_scanner_arg = 'code'
1576   endif
1577   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1578   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1579   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1580   if with_egl
1581     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1582     dep_wayland_egl_headers = dep_wayland_egl.partial_dependency(compile_args : true)
1583   endif
1584   wayland_dmabuf_xml = join_paths(
1585     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1586     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1587   )
1588   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1589 endif
1590
1591 dep_x11 = null_dep
1592 dep_xext = null_dep
1593 dep_xdamage = null_dep
1594 dep_xfixes = null_dep
1595 dep_x11_xcb = null_dep
1596 dep_xcb = null_dep
1597 dep_xcb_glx = null_dep
1598 dep_xcb_dri2 = null_dep
1599 dep_xcb_dri3 = null_dep
1600 dep_dri2proto = null_dep
1601 dep_glproto = null_dep
1602 dep_xxf86vm = null_dep
1603 dep_xcb_dri3 = null_dep
1604 dep_xcb_present = null_dep
1605 dep_xcb_sync = null_dep
1606 dep_xcb_xfixes = null_dep
1607 dep_xshmfence = null_dep
1608 dep_xcb_xrandr = null_dep
1609 dep_xlib_xrandr = null_dep
1610 if with_platform_x11
1611   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1612     dep_x11 = dependency('x11')
1613     dep_xext = dependency('xext')
1614     dep_xcb = dependency('xcb')
1615   elif with_glx == 'dri'
1616     dep_x11 = dependency('x11')
1617     dep_xext = dependency('xext')
1618     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1619     dep_xfixes = dependency('xfixes')
1620     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1621   endif
1622   if (with_any_vk or with_glx == 'dri' or with_egl or
1623        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1624         with_gallium_omx != 'disabled'))
1625     dep_xcb = dependency('xcb')
1626     dep_x11_xcb = dependency('x11-xcb')
1627     if with_dri_platform == 'drm' and not dep_libdrm.found()
1628       error('libdrm required for gallium video statetrackers when using x11')
1629     endif
1630   endif
1631   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1632     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1633
1634     if with_dri3
1635       pre_args += '-DHAVE_DRI3'
1636       dep_xcb_dri3 = dependency('xcb-dri3')
1637       dep_xcb_present = dependency('xcb-present')
1638       # until xcb-dri3 has been around long enough to make a hard-dependency:
1639       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1640           dep_xcb_present.version().version_compare('>= 1.13'))
1641         pre_args += '-DHAVE_DRI3_MODIFIERS'
1642       endif
1643       dep_xcb_sync = dependency('xcb-sync')
1644       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1645     endif
1646   endif
1647   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1648     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1649   endif
1650   if with_glx == 'dri'
1651     if with_dri_platform == 'drm'
1652       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1653       dep_xxf86vm = dependency('xxf86vm')
1654     endif
1655   endif
1656   if (with_egl or (
1657       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1658       with_gallium_omx != 'disabled'))
1659     dep_xcb_xfixes = dependency('xcb-xfixes')
1660   endif
1661   if with_xlib_lease
1662     dep_xcb_xrandr = dependency('xcb-randr')
1663     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1664   endif
1665 endif
1666
1667 if get_option('gallium-extra-hud')
1668   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1669 endif
1670
1671 _sensors = get_option('lmsensors')
1672 if _sensors != 'false'
1673   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1674   if dep_lmsensors.found()
1675     pre_args += '-DHAVE_LIBSENSORS=1'
1676   endif
1677 else
1678   dep_lmsensors = null_dep
1679 endif
1680
1681 foreach a : pre_args
1682   add_project_arguments(a, language : ['c', 'cpp'])
1683 endforeach
1684 foreach a : c_args
1685   add_project_arguments(a, language : ['c'])
1686 endforeach
1687 foreach a : cpp_args
1688   add_project_arguments(a, language : ['cpp'])
1689 endforeach
1690
1691 gl_priv_reqs = []
1692
1693 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1694   gl_priv_reqs += ['x11', 'xext', 'xcb']
1695 elif with_glx == 'dri'
1696   gl_priv_reqs += [
1697     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1698     'xcb-glx >= 1.8.1']
1699   if with_dri_platform == 'drm'
1700     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1701     gl_priv_reqs += 'xxf86vm'
1702   endif
1703 endif
1704 if dep_libdrm.found()
1705   gl_priv_reqs += 'libdrm >= 2.4.75'
1706 endif
1707
1708 gl_priv_libs = []
1709 if dep_thread.found()
1710   gl_priv_libs += ['-lpthread', '-pthread']
1711 endif
1712 if dep_m.found()
1713   gl_priv_libs += '-lm'
1714 endif
1715 if dep_dl.found()
1716   gl_priv_libs += '-ldl'
1717 endif
1718
1719 pkg = import('pkgconfig')
1720
1721 if host_machine.system() == 'windows'
1722   prog_dumpbin = find_program('dumpbin', required : false)
1723   with_symbols_check = prog_dumpbin.found() and with_tests
1724   symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
1725 else
1726   prog_nm = find_program('nm')
1727   with_symbols_check = with_tests
1728   symbols_check_args = ['--nm', prog_nm.path()]
1729 endif
1730
1731 # This quirk needs to be applied to sources with functions defined in assembly
1732 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1733 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1734
1735 subdir('include')
1736 subdir('bin')
1737 subdir('src')
1738
1739 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1740 # formatting below unless the first argument is passed as a variable. This has
1741 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1742 # for backwards compatibility.
1743 _with_opengl_string = with_opengl ? 'yes' : 'no'
1744
1745 lines = ['',
1746   'prefix:          ' + get_option('prefix'),
1747   'libdir:          ' + get_option('libdir'),
1748   'includedir:      ' + get_option('includedir'),
1749   '',
1750   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1751                                                     with_gles1 ? 'yes' : 'no',
1752                                                     with_gles2 ? 'yes' : 'no'),
1753 ]
1754
1755 if with_osmesa != 'none'
1756   lines += ''
1757   suffix = ''
1758   if with_osmesa == 'gallium'
1759     suffix = '(Gallium)'
1760   endif
1761   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1762 else
1763   lines += 'OSMesa:          no'
1764 endif
1765
1766 if with_dri
1767   lines += ''
1768   lines += 'DRI platform:    ' + with_dri_platform
1769   if dri_drivers.length() != 0 and dri_drivers != ['']
1770     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1771   else
1772     lines += 'DRI drivers:     no'
1773   endif
1774   lines += 'DRI driver dir:  ' + dri_drivers_path
1775 endif
1776
1777 if with_glx != 'disabled'
1778   lines += ''
1779   if with_glx == 'dri'
1780     lines += 'GLX:             DRI-based'
1781   elif with_glx == 'xlib'
1782     lines += 'GLX:             Xlib-based'
1783   elif with_glx == 'gallium-xlib'
1784     lines += 'GLX:             Xlib-based (Gallium)'
1785   else
1786     lines += 'GLX:             ' + with_glx
1787   endif
1788 endif
1789
1790 lines += ''
1791 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1792 if with_egl
1793   egl_drivers = []
1794   if with_dri
1795     egl_drivers += 'builtin:egl_dri2'
1796   endif
1797   if with_dri3
1798     egl_drivers += 'builtin:egl_dri3'
1799   endif
1800   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1801 endif
1802 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1803 if with_platforms
1804   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1805 endif
1806
1807 lines += ''
1808 if with_any_vk
1809   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1810   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1811 else
1812   lines += 'Vulkan drivers:  no'
1813 endif
1814
1815 lines += ''
1816 if with_llvm
1817   lines += 'llvm:            yes'
1818   lines += 'llvm-version:    ' + dep_llvm.version()
1819 else
1820   lines += 'llvm:            no'
1821 endif
1822
1823 lines += ''
1824 if with_gallium
1825   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1826   gallium_st = ['mesa']
1827   if with_gallium_xa
1828     gallium_st += 'xa'
1829   endif
1830   if with_gallium_xvmc
1831     gallium_st += 'xvmc'
1832   endif
1833   if with_gallium_xvmc
1834     gallium_st += 'xvmc'
1835   endif
1836   if with_gallium_vdpau
1837     gallium_st += 'vdpau'
1838   endif
1839   if with_gallium_omx != 'disabled'
1840     gallium_st += 'omx' + with_gallium_omx
1841   endif
1842   if with_gallium_va
1843     gallium_st += 'va'
1844   endif
1845   if with_gallium_st_nine
1846     gallium_st += 'nine'
1847   endif
1848   if with_gallium_opencl
1849     gallium_st += 'clover'
1850   endif
1851   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1852 else
1853   lines += 'Gallium:         no'
1854 endif
1855
1856 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1857
1858 lines += ''
1859 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1860
1861
1862 indent = '        '
1863 summary = indent + ('\n' + indent).join(lines)
1864 message('Configuration summary:\n@0@\n'.format(summary))