meson.build

   1 # Copyright © 2017-2019 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 : '>= 0.46',
  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 # Arguments for the preprocessor, put these in a separate array from the C and
  38 # C++ (cpp in meson terminology) arguments since they need to be added to the
  39 # default arguments for both C and C++.
  40 pre_args = [
  41   '-D__STDC_CONSTANT_MACROS',
  42   '-D__STDC_FORMAT_MACROS',
  43   '-D__STDC_LIMIT_MACROS',
  44   '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
  45   '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/issues"',
  46 ]
  47
  48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  49 with_tests = get_option('build-tests')
  50 with_valgrind = get_option('valgrind')
  51 with_libunwind = get_option('libunwind')
  52 with_glx_read_only_text = get_option('glx-read-only-text')
  53 with_glx_direct = get_option('glx-direct')
  54 with_osmesa = get_option('osmesa')
  55 with_swr_arches = get_option('swr-arches')
  56 with_tools = get_option('tools')
  57 if with_tools.contains('all')
  58   with_tools = [
  59     'drm-shim',
  60     'etnaviv',
  61     'freedreno',
  62     'glsl',
  63     'intel',
  64     'intel-ui',
  65     'lima',
  66     'nir',
  67     'nouveau',
  68     'xvmc',
  69   ]
  70 endif
  71
  72 dri_drivers_path = get_option('dri-drivers-path')
  73 if dri_drivers_path == ''
  74   dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
  75 endif
  76 dri_search_path = get_option('dri-search-path')
  77 if dri_search_path == ''
  78   dri_search_path = dri_drivers_path
  79 endif
  80
  81 with_gles1 = get_option('gles1')
  82 with_gles2 = get_option('gles2')
  83 if host_machine.system() == 'windows'
  84   if with_gles1 == 'auto'
  85     with_gles1 = 'false'
  86   endif
  87   if with_gles2 == 'auto'
  88     with_gles2 = 'false'
  89   endif
  90 endif
  91 with_opengl = get_option('opengl')
  92
  93 # Default shared glapi off for windows, on elsewhere.
  94 _sg = get_option('shared-glapi')
  95 if _sg == 'auto'
  96   with_shared_glapi = host_machine.system() != 'windows'
  97 else
  98   with_shared_glapi = _sg == 'true'
  99 endif
 100
 101 # shared-glapi is required if at least two OpenGL APIs are being built
 102 if not with_shared_glapi
 103   if ((with_gles1 == 'true' and with_gles2 == 'true') or
 104       (with_gles1 == 'true' and with_opengl) or
 105       (with_gles2 == 'true' and with_opengl))
 106     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
 107   endif
 108   with_gles1 = 'false'
 109   with_gles2 = 'false'
 110 endif
 111
 112 # We require OpenGL for OpenGL ES
 113 if not with_opengl
 114   if (with_gles1 == 'true' or with_gles2 == 'true') and not with_opengl
 115     error('building OpenGL ES without OpenGL is not supported.')
 116   endif
 117   with_gles1 = 'false'
 118   with_gles2 = 'false'
 119 endif
 120
 121 with_gles1 = with_gles1 != 'false'
 122 with_gles2 = with_gles2 != 'false'
 123 with_any_opengl = with_opengl or with_gles1 or with_gles2
 124 # Only build shared_glapi if at least one OpenGL API is enabled
 125 with_shared_glapi = with_shared_glapi and with_any_opengl
 126
 127 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux'].contains(host_machine.system())
 128
 129 dri_drivers = get_option('dri-drivers')
 130 if dri_drivers.contains('auto')
 131   if system_has_kms_drm
 132     # TODO: PPC, Sparc
 133     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 134       dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 135     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 136       dri_drivers = []
 137     else
 138       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 139             host_machine.cpu_family()))
 140     endif
 141   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 142     # only swrast would make sense here, but gallium swrast is a much better default
 143     dri_drivers = []
 144   else
 145     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 146           host_machine.system()))
 147   endif
 148 endif
 149
 150 with_dri_i915 = dri_drivers.contains('i915')
 151 with_dri_i965 = dri_drivers.contains('i965')
 152 with_dri_r100 = dri_drivers.contains('r100')
 153 with_dri_r200 = dri_drivers.contains('r200')
 154 with_dri_nouveau = dri_drivers.contains('nouveau')
 155 with_dri_swrast = dri_drivers.contains('swrast')
 156
 157 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
 158
 159 gallium_drivers = get_option('gallium-drivers')
 160 if gallium_drivers.contains('auto')
 161   if system_has_kms_drm
 162     # TODO: PPC, Sparc
 163     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 164       gallium_drivers = [
 165         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 166       ]
 167     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 168       gallium_drivers = [
 169         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 170         'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
 171       ]
 172     else
 173       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 174             host_machine.cpu_family()))
 175     endif
 176   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 177     gallium_drivers = ['swrast']
 178   else
 179     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 180           host_machine.system()))
 181   endif
 182 endif
 183 with_gallium_kmsro = gallium_drivers.contains('kmsro')
 184 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
 185 with_gallium_r300 = gallium_drivers.contains('r300')
 186 with_gallium_r600 = gallium_drivers.contains('r600')
 187 with_gallium_nouveau = gallium_drivers.contains('nouveau')
 188 with_gallium_freedreno = gallium_drivers.contains('freedreno')
 189 with_gallium_softpipe = gallium_drivers.contains('swrast')
 190 with_gallium_vc4 = gallium_drivers.contains('vc4')
 191 with_gallium_v3d = gallium_drivers.contains('v3d')
 192 with_gallium_panfrost = gallium_drivers.contains('panfrost')
 193 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
 194 with_gallium_tegra = gallium_drivers.contains('tegra')
 195 with_gallium_iris = gallium_drivers.contains('iris')
 196 with_gallium_i915 = gallium_drivers.contains('i915')
 197 with_gallium_svga = gallium_drivers.contains('svga')
 198 with_gallium_virgl = gallium_drivers.contains('virgl')
 199 with_gallium_swr = gallium_drivers.contains('swr')
 200 with_gallium_lima = gallium_drivers.contains('lima')
 201
 202 if cc.get_id() == 'intel'
 203   if meson.version().version_compare('< 0.49.0')
 204     error('Meson does not have sufficient support of ICC before 0.49.0 to compile mesa')
 205   elif with_gallium_swr and meson.version().version_compare('== 0.49.0')
 206     warning('Meson as of 0.49.0 is sufficient for compiling mesa with ICC, but there are some caveats with SWR. 0.49.1 should resolve all of these')
 207   endif
 208 endif
 209
 210 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 211
 212 if with_gallium and system_has_kms_drm
 213   _glx = get_option('glx')
 214   _egl = get_option('egl')
 215   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 216     with_dri = true
 217   endif
 218 endif
 219
 220 _vulkan_drivers = get_option('vulkan-drivers')
 221 if _vulkan_drivers.contains('auto')
 222   if system_has_kms_drm
 223     if host_machine.cpu_family().startswith('x86')
 224       _vulkan_drivers = ['amd', 'intel']
 225     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 226       _vulkan_drivers = []
 227     else
 228       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 229             host_machine.cpu_family()))
 230     endif
 231   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 232     # No vulkan driver supports windows or macOS currently
 233     _vulkan_drivers = []
 234   else
 235     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 236           host_machine.system()))
 237   endif
 238 endif
 239
 240 with_intel_vk = _vulkan_drivers.contains('intel')
 241 with_amd_vk = _vulkan_drivers.contains('amd')
 242 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 243 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 244
 245 if with_freedreno_vk and get_option('I-love-half-baked-turnips') != true
 246   error('Cannot enable freedreno vulkan driver')
 247 endif
 248
 249 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 250   error('Only one swrast provider can be built')
 251 endif
 252 if with_dri_i915 and with_gallium_i915
 253   error('Only one i915 provider can be built')
 254 endif
 255 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)
 256   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
 257 endif
 258 if with_gallium_tegra and not with_gallium_nouveau
 259   error('tegra driver requires nouveau driver')
 260 endif
 261
 262 if host_machine.system() == 'darwin'
 263   with_dri_platform = 'apple'
 264   pre_args += '-DBUILDING_MESA'
 265 elif ['windows', 'cygwin'].contains(host_machine.system())
 266   with_dri_platform = 'windows'
 267 elif system_has_kms_drm
 268   with_dri_platform = 'drm'
 269 else
 270   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 271   # assert here that one of those cases has been met.
 272   # FIXME: illumos ends up here as well
 273   with_dri_platform = 'none'
 274 endif
 275
 276 _platforms = get_option('platforms')
 277 if _platforms.contains('auto')
 278   if system_has_kms_drm
 279     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 280   elif ['darwin', 'cygwin'].contains(host_machine.system())
 281     _platforms = ['x11', 'surfaceless']
 282   elif ['haiku'].contains(host_machine.system())
 283     _platforms = ['haiku']
 284   elif host_machine.system() == 'windows'
 285     _platforms = ['windows']
 286   else
 287     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 288           host_machine.system()))
 289   endif
 290 endif
 291
 292 with_platform_android = _platforms.contains('android')
 293 with_platform_x11 = _platforms.contains('x11')
 294 with_platform_wayland = _platforms.contains('wayland')
 295 with_platform_drm = _platforms.contains('drm')
 296 with_platform_haiku = _platforms.contains('haiku')
 297 with_platform_surfaceless = _platforms.contains('surfaceless')
 298 with_platform_windows = _platforms.contains('windows')
 299
 300 with_platforms = false
 301 if _platforms.length() != 0 and _platforms != ['']
 302   # sanity check that list contains no empty strings
 303   if _platforms.contains('')
 304     error('Invalid argument list given to -Dplatforms, please fix.')
 305   endif
 306   with_platforms = true
 307   egl_native_platform = _platforms[0]
 308 endif
 309
 310 _xlib_lease = get_option('xlib-lease')
 311 if _xlib_lease == 'auto'
 312   with_xlib_lease = with_platform_x11 and with_platform_drm
 313 else
 314   with_xlib_lease = _xlib_lease == 'true'
 315 endif
 316
 317 with_glx = get_option('glx')
 318 if with_glx == 'auto'
 319   if with_dri
 320     with_glx = 'dri'
 321   elif with_platform_haiku
 322     with_glx = 'disabled'
 323   elif host_machine.system() == 'windows'
 324     with_glx = 'disabled'
 325   elif with_gallium
 326     # Even when building just gallium drivers the user probably wants dri
 327     with_glx = 'dri'
 328   elif with_platform_x11 and with_any_opengl and not with_any_vk
 329     # The automatic behavior should not be to turn on xlib based glx when
 330     # building only vulkan drivers
 331     with_glx = 'xlib'
 332   else
 333     with_glx = 'disabled'
 334   endif
 335 endif
 336 if with_glx == 'dri'
 337    if with_gallium
 338       with_dri = true
 339    endif
 340 endif
 341
 342 if not (with_dri or with_gallium or with_glx != 'disabled')
 343   with_gles1 = false
 344   with_gles2 = false
 345   with_opengl = false
 346   with_any_opengl = false
 347   with_shared_glapi = false
 348 endif
 349
 350 _gbm = get_option('gbm')
 351 if _gbm == 'auto'
 352   with_gbm = system_has_kms_drm and with_dri
 353 else
 354   with_gbm = _gbm == 'true'
 355 endif
 356 if with_gbm and not system_has_kms_drm
 357   error('GBM only supports DRM/KMS platforms')
 358 endif
 359
 360 _egl = get_option('egl')
 361 if _egl == 'auto'
 362   with_egl = (
 363     not ['darwin', 'windows'].contains(host_machine.system()) and
 364     with_dri and with_shared_glapi and with_platforms
 365   )
 366 elif _egl == 'true'
 367   if not with_dri
 368     error('EGL requires dri')
 369   elif not with_shared_glapi
 370     error('EGL requires shared-glapi')
 371   elif not with_platforms
 372     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 373   elif not ['disabled', 'dri'].contains(with_glx)
 374     error('EGL requires dri, but a GLX is being built without dri')
 375   elif ['darwin', 'windows'].contains(host_machine.system())
 376     error('EGL is not available on Windows or MacOS')
 377   endif
 378   with_egl = true
 379 else
 380   with_egl = false
 381 endif
 382
 383 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
 384   if with_gallium_radeonsi
 385     error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
 386   endif
 387   if with_gallium_virgl
 388     error('Virgl requires the drm, surfaceless or android platform when using EGL')
 389   endif
 390 endif
 391
 392 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
 393 if not with_platform_android or get_option('platform-sdk-version') >= 29
 394   pre_args += '-DUSE_ELF_TLS'
 395 endif
 396
 397 if with_glx != 'disabled'
 398   if not (with_platform_x11 and with_any_opengl)
 399     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 400   elif with_glx == 'gallium-xlib'
 401     if not with_gallium
 402       error('Gallium-xlib based GLX requires at least one gallium driver')
 403     elif not with_gallium_softpipe
 404       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 405     elif with_dri
 406       error('gallium-xlib conflicts with any dri driver')
 407     endif
 408   elif with_glx == 'xlib'
 409     if with_dri
 410       error('xlib conflicts with any dri driver')
 411     endif
 412   elif with_glx == 'dri'
 413     if not with_shared_glapi
 414       error('dri based GLX requires shared-glapi')
 415     endif
 416   endif
 417 endif
 418
 419 with_glvnd = get_option('glvnd')
 420 if with_glvnd
 421   if with_platform_windows
 422     error('glvnd cannot be used on Windows')
 423   elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
 424     error('Cannot build glvnd support for GLX that is not DRI based.')
 425   elif with_glx == 'disabled' and not with_egl
 426     error('glvnd requires DRI based GLX and/or EGL')
 427   endif
 428   if get_option('egl-lib-suffix') != ''
 429     error('''EGL lib suffix can't be used with libglvnd''')
 430   endif
 431 endif
 432
 433 if with_vulkan_icd_dir == ''
 434   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 435 endif
 436
 437 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
 438   host_machine.system() == 'gnu')
 439 _dri3 = get_option('dri3')
 440 if _dri3 == 'auto'
 441   with_dri3 = system_has_kms_drm and with_dri2
 442 else
 443   with_dri3 = _dri3 == 'true'
 444 endif
 445
 446 if with_any_vk and (with_platform_x11 and not with_dri3)
 447   error('Vulkan drivers require dri3 for X11 support')
 448 endif
 449 if with_dri
 450   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 451     error('building dri drivers require at least one windowing system or classic osmesa')
 452   endif
 453 endif
 454
 455 prog_pkgconfig = find_program('pkg-config')
 456
 457 _vdpau = get_option('gallium-vdpau')
 458 if not system_has_kms_drm
 459   if _vdpau == 'true'
 460     error('VDPAU state tracker can only be build on unix-like OSes.')
 461   else
 462     _vdpau = 'false'
 463   endif
 464 elif not with_platform_x11
 465   if _vdpau == 'true'
 466     error('VDPAU state tracker requires X11 support.')
 467   else
 468     _vdpau = 'false'
 469   endif
 470 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 471           with_gallium_nouveau)
 472   if _vdpau == 'true'
 473     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 474   else
 475     _vdpau = 'false'
 476   endif
 477 endif
 478 dep_vdpau = null_dep
 479 with_gallium_vdpau = false
 480 if _vdpau != 'false'
 481   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 482   if dep_vdpau.found()
 483     dep_vdpau = declare_dependency(
 484       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 485     )
 486     with_gallium_vdpau = true
 487   endif
 488 endif
 489
 490 if with_gallium_vdpau
 491   pre_args += '-DHAVE_ST_VDPAU'
 492 endif
 493 vdpau_drivers_path = get_option('vdpau-libs-path')
 494 if vdpau_drivers_path == ''
 495   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 496 endif
 497
 498 _xvmc = get_option('gallium-xvmc')
 499 if not system_has_kms_drm
 500   if _xvmc == 'true'
 501     error('XVMC state tracker can only be build on unix-like OSes.')
 502   else
 503     _xvmc = 'false'
 504   endif
 505 elif not with_platform_x11
 506   if _xvmc == 'true'
 507     error('XVMC state tracker requires X11 support.')
 508   else
 509     _xvmc = 'false'
 510   endif
 511 elif not (with_gallium_r600 or with_gallium_nouveau)
 512   if _xvmc == 'true'
 513     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 514   else
 515     _xvmc = 'false'
 516   endif
 517 endif
 518 dep_xvmc = null_dep
 519 with_gallium_xvmc = false
 520 if _xvmc != 'false'
 521   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 522   with_gallium_xvmc = dep_xvmc.found()
 523 endif
 524
 525 xvmc_drivers_path = get_option('xvmc-libs-path')
 526 if xvmc_drivers_path == ''
 527   xvmc_drivers_path = get_option('libdir')
 528 endif
 529
 530 _omx = get_option('gallium-omx')
 531 if not system_has_kms_drm
 532   if ['auto', 'disabled'].contains(_omx)
 533     _omx = 'disabled'
 534   else
 535     error('OMX state tracker can only be built on unix-like OSes.')
 536   endif
 537 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 538   if ['auto', 'disabled'].contains(_omx)
 539     _omx = 'disabled'
 540   else
 541     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 542   endif
 543 endif
 544 with_gallium_omx = _omx
 545 dep_omx = null_dep
 546 dep_omx_other = []
 547 if ['auto', 'bellagio'].contains(_omx)
 548   dep_omx = dependency(
 549     'libomxil-bellagio', required : _omx == 'bellagio'
 550   )
 551   if dep_omx.found()
 552     with_gallium_omx = 'bellagio'
 553   endif
 554 endif
 555 if ['auto', 'tizonia'].contains(_omx)
 556   if with_dri and with_egl
 557     dep_omx = dependency(
 558       'libtizonia', version : '>= 0.10.0',
 559       required : _omx == 'tizonia',
 560     )
 561     dep_omx_other = [
 562       dependency('libtizplatform', required : _omx == 'tizonia'),
 563       dependency('tizilheaders', required : _omx == 'tizonia'),
 564     ]
 565     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 566       with_gallium_omx = 'tizonia'
 567     endif
 568   elif _omx == 'tizonia'
 569     error('OMX-Tizonia state tracker requires dri and egl')
 570   endif
 571 endif
 572 if _omx == 'auto'
 573   with_gallium_omx = 'disabled'
 574 else
 575   with_gallium_omx = _omx
 576 endif
 577
 578 pre_args += [
 579   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 580   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 581 ]
 582
 583
 584 omx_drivers_path = get_option('omx-libs-path')
 585
 586 if with_gallium_omx != 'disabled'
 587   # Figure out where to put the omx driver.
 588   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 589   # argument to meson's get_pkgconfig_variable method.
 590   if omx_drivers_path == ''
 591     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 592     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 593     if _omx_libdir == get_option('libdir')
 594       omx_drivers_path = _omx_drivers_dir
 595     else
 596       _omx_base_dir = []
 597       # This will fail on windows. Does OMX run on windows?
 598       _omx_libdir = _omx_libdir.split('/')
 599       _omx_drivers_dir = _omx_drivers_dir.split('/')
 600       foreach o : _omx_drivers_dir
 601         if not _omx_libdir.contains(o)
 602           _omx_base_dir += o
 603         endif
 604       endforeach
 605       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 606     endif
 607   endif
 608 endif
 609
 610 _va = get_option('gallium-va')
 611 if not system_has_kms_drm
 612   if _va == 'true'
 613     error('VA state tracker can only be built on unix-like OSes.')
 614   else
 615     _va = 'false'
 616   endif
 617 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 618   if _va == 'true'
 619     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 620   else
 621     _va = 'false'
 622   endif
 623 endif
 624 with_gallium_va = false
 625 dep_va = null_dep
 626 if _va != 'false'
 627   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 628   if dep_va.found()
 629     dep_va_headers = declare_dependency(
 630       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 631     )
 632     with_gallium_va = true
 633   endif
 634 endif
 635
 636 va_drivers_path = get_option('va-libs-path')
 637 if va_drivers_path == ''
 638   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 639 endif
 640
 641 _xa = get_option('gallium-xa')
 642 if not system_has_kms_drm
 643   if _xa == 'true'
 644     error('XA state tracker can only be built on unix-like OSes.')
 645   else
 646     _xa = 'false'
 647   endif
 648 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 649           or with_gallium_svga)
 650   if _xa == 'true'
 651     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 652   else
 653     _xa = 'false'
 654   endif
 655 endif
 656 with_gallium_xa = _xa != 'false'
 657
 658 d3d_drivers_path = get_option('d3d-drivers-path')
 659 if d3d_drivers_path == ''
 660   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 661 endif
 662
 663 with_gallium_st_nine =  get_option('gallium-nine')
 664 if with_gallium_st_nine
 665   if not with_gallium_softpipe
 666     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 667   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 668             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 669             or with_gallium_iris)
 670     error('The nine state tracker requires at least one non-swrast gallium driver.')
 671   endif
 672   if not with_dri3
 673     error('Using nine with wine requires dri3')
 674   endif
 675 endif
 676
 677 if get_option('power8') != 'false'
 678   # on old versions of meson the cpu family would return as ppc64le on little
 679   # endian power8, this was changed in 0.48 such that the family would always
 680   # be ppc64 regardless of endianness, and then the machine.endian() value
 681   # should be checked. Since we support versions < 0.48 we need to use
 682   # startswith.
 683   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 684     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 685       error('Altivec is not supported with gcc version < 4.8.')
 686     endif
 687     if cc.compiles('''
 688         #include <altivec.h>
 689         int main() {
 690           vector unsigned char r;
 691           vector unsigned int v = vec_splat_u32 (1);
 692           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 693           return 0;
 694         }''',
 695         args : '-mpower8-vector',
 696         name : 'POWER8 intrinsics')
 697       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 698     elif get_option('power8') == 'true'
 699       error('POWER8 intrinsic support required but not found.')
 700     endif
 701   endif
 702 endif
 703
 704 _opencl = get_option('gallium-opencl')
 705 clover_cpp_std = []
 706 if _opencl != 'disabled'
 707   if not with_gallium
 708     error('OpenCL Clover implementation requires at least one gallium driver.')
 709   endif
 710
 711   dep_clc = dependency('libclc')
 712   with_gallium_opencl = true
 713   with_opencl_icd = _opencl == 'icd'
 714
 715   with_opencl_spirv = get_option('opencl-spirv')
 716   if with_opencl_spirv
 717     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 718     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 719     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 720   else
 721     dep_spirv_tools = null_dep
 722     dep_llvmspirvlib = null_dep
 723   endif
 724
 725   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 726       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 727       #error "AltiVec not enabled"
 728       #endif''',
 729       name : 'Altivec')
 730     clover_cpp_std += ['cpp_std=gnu++11']
 731   endif
 732 else
 733   dep_clc = null_dep
 734   dep_spirv_tools = null_dep
 735   dep_llvmspirvlib = null_dep
 736   with_gallium_opencl = false
 737   with_opencl_icd = false
 738   with_opencl_spirv = false
 739 endif
 740
 741 gl_pkgconfig_c_flags = []
 742 if with_platform_x11
 743   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 744     pre_args += '-DHAVE_X11_PLATFORM'
 745   endif
 746   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 747     pre_args += '-DUSE_XSHM'
 748   else
 749     pre_args += '-DGLX_INDIRECT_RENDERING'
 750     if with_glx_direct
 751       pre_args += '-DGLX_DIRECT_RENDERING'
 752     endif
 753     if with_dri_platform == 'drm'
 754       pre_args += '-DGLX_USE_DRM'
 755     elif with_dri_platform == 'apple'
 756       pre_args += '-DGLX_USE_APPLEGL'
 757     elif with_dri_platform == 'windows'
 758       pre_args += '-DGLX_USE_WINDOWSGL'
 759     endif
 760   endif
 761 else
 762   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 763   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 764 endif
 765 if with_platform_drm
 766   if with_egl and not with_gbm
 767     error('EGL drm platform requires gbm')
 768   endif
 769   pre_args += '-DHAVE_DRM_PLATFORM'
 770 endif
 771 if with_platform_surfaceless
 772   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 773 endif
 774 if with_platform_android
 775   dep_android = [
 776     dependency('cutils'),
 777     dependency('hardware'),
 778     dependency('sync'),
 779   ]
 780   if get_option('platform-sdk-version') >= 26
 781     dep_android += dependency('nativewindow')
 782   endif
 783   pre_args += '-DHAVE_ANDROID_PLATFORM'
 784 endif
 785 if with_platform_haiku
 786   pre_args += '-DHAVE_HAIKU_PLATFORM'
 787 endif
 788
 789 if meson.version().version_compare('>=0.50')
 790   prog_python = import('python').find_installation('python3')
 791 else
 792   prog_python = import('python3').find_python()
 793 endif
 794 has_mako = run_command(
 795   prog_python, '-c',
 796   '''
 797 from distutils.version import StrictVersion
 798 import mako
 799 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 800   ''')
 801 if has_mako.returncode() != 0
 802   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 803 endif
 804
 805 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 806   error('When using GCC, version 4.4.6 or later is required.')
 807 endif
 808
 809 # Support systems without ETIME (e.g. FreeBSD)
 810 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
 811   pre_args += '-DETIME=ETIMEDOUT'
 812 endif
 813
 814 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 815 if get_option('buildtype') == 'debug'
 816   pre_args += '-DDEBUG'
 817 endif
 818
 819 with_shader_cache = false
 820 _shader_cache = get_option('shader-cache')
 821 if _shader_cache != 'false'
 822   if host_machine.system() == 'windows'
 823     if _shader_cache == 'true'
 824       error('Shader Cache does not currently work on Windows')
 825     endif
 826   else
 827     pre_args += '-DENABLE_SHADER_CACHE'
 828     with_shader_cache = true
 829   endif
 830 endif
 831 if with_amd_vk and not with_shader_cache
 832   error('Radv requires shader cache support')
 833 endif
 834
 835 # Check for GCC style builtins
 836 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 837              'ffsll', 'popcount', 'popcountll', 'unreachable']
 838   if cc.has_function(b)
 839     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 840   endif
 841 endforeach
 842
 843 # check for GCC __attribute__
 844 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 845              'warn_unused_result', 'weak',]
 846   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 847                  name : '__attribute__((@0@))'.format(a))
 848     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 849   endif
 850 endforeach
 851 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 852                name : '__attribute__((format(...)))')
 853   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 854 endif
 855 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 856                name : '__attribute__((packed))')
 857   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 858 endif
 859 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 860                name : '__attribute__((returns_nonnull))')
 861   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 862 endif
 863 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 864                   int foo_hid(void) __attribute__((visibility("hidden")));
 865                   int foo_int(void) __attribute__((visibility("internal")));
 866                   int foo_pro(void) __attribute__((visibility("protected")));''',
 867                name : '__attribute__((visibility(...)))')
 868   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 869 endif
 870 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 871                name : '__attribute__((alias(...)))')
 872   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 873 endif
 874 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 875                name : '__attribute__((__noreturn__))')
 876   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 877 endif
 878 if cc.compiles('__uint128_t foo(void) { return 0; }',
 879                name : '__uint128_t')
 880   pre_args += '-DHAVE_UINT128'
 881 endif
 882
 883 # TODO: this is very incomplete
 884 if ['linux', 'cygwin', 'gnu', 'gnu/kfreebsd'].contains(host_machine.system())
 885   pre_args += '-D_GNU_SOURCE'
 886 endif
 887
 888 # Check for generic C arguments
 889 c_args = []
 890 foreach a : ['-Werror=implicit-function-declaration',
 891              '-Werror=missing-prototypes', '-Werror=return-type',
 892              '-Werror=incompatible-pointer-types',
 893              '-Werror=format',
 894              '-Wformat-security',
 895              '-fno-math-errno',
 896              '-fno-trapping-math', '-Qunused-arguments']
 897   if cc.has_argument(a)
 898     c_args += a
 899   endif
 900 endforeach
 901
 902 foreach a : ['missing-field-initializers', 'format-truncation']
 903   if cc.has_argument('-W' + a)
 904     c_args += '-Wno-' + a
 905   endif
 906 endforeach
 907
 908 c_vis_args = []
 909 if cc.has_argument('-fvisibility=hidden')
 910   c_vis_args += '-fvisibility=hidden'
 911 endif
 912
 913 # Check for generic C++ arguments
 914 cpp_args = []
 915 foreach a : ['-Werror=return-type',
 916              '-Werror=format',
 917              '-Wformat-security',
 918              '-fno-math-errno', '-fno-trapping-math',
 919              '-Qunused-arguments']
 920   if cpp.has_argument(a)
 921     cpp_args += a
 922   endif
 923 endforeach
 924
 925 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 926 # option is not supported. Hence, check for -Wfoo instead.
 927
 928 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
 929   if cpp.has_argument('-W' + a)
 930     cpp_args += '-Wno-' + a
 931   endif
 932 endforeach
 933
 934 no_override_init_args = []
 935 foreach a : ['override-init', 'initializer-overrides']
 936   if cc.has_argument('-W' + a)
 937     no_override_init_args += '-Wno-' + a
 938   endif
 939 endforeach
 940
 941 cpp_vis_args = []
 942 if cpp.has_argument('-fvisibility=hidden')
 943   cpp_vis_args += '-fvisibility=hidden'
 944 endif
 945
 946 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 947 # in parts of the mesa code base that need to compile with old versions of
 948 # MSVC, mainly common code
 949 c_msvc_compat_args = []
 950 cpp_msvc_compat_args = []
 951 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 952   if cc.has_argument(a)
 953     c_msvc_compat_args += a
 954   endif
 955   if cpp.has_argument(a)
 956     cpp_msvc_compat_args += a
 957   endif
 958 endforeach
 959
 960 if host_machine.cpu_family().startswith('x86')
 961   pre_args += '-DUSE_SSE41'
 962   with_sse41 = true
 963   sse41_args = ['-msse4.1']
 964
 965   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 966   # that's not guaranteed
 967   if host_machine.cpu_family() == 'x86'
 968     sse41_args += '-mstackrealign'
 969   endif
 970 else
 971   with_sse41 = false
 972   sse41_args = []
 973 endif
 974
 975 # Check for GCC style atomics
 976 dep_atomic = null_dep
 977
 978 if cc.compiles('''#include <stdint.h>
 979                   int main() {
 980                     struct {
 981                       uint64_t *v;
 982                     } x;
 983                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 984                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 985
 986                   }''',
 987                name : 'GCC atomic builtins')
 988   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 989
 990   # Not all atomic calls can be turned into lock-free instructions, in which
 991   # GCC will make calls into the libatomic library. Check whether we need to
 992   # link with -latomic.
 993   #
 994   # This can happen for 64-bit atomic operations on 32-bit architectures such
 995   # as ARM.
 996   if not cc.links('''#include <stdint.h>
 997                      int main() {
 998                        struct {
 999                          uint64_t *v;
1000                        } x;
1001                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1002                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1003                      }''',
1004                   name : 'GCC atomic builtins required -latomic')
1005     dep_atomic = cc.find_library('atomic')
1006   endif
1007 endif
1008 if not cc.links('''#include <stdint.h>
1009                    uint64_t v;
1010                    int main() {
1011                      return __sync_add_and_fetch(&v, (uint64_t)1);
1012                    }''',
1013                 dependencies : dep_atomic,
1014                 name : 'GCC 64bit atomics')
1015   pre_args += '-DMISSING_64BIT_ATOMICS'
1016 endif
1017
1018 # TODO: shared/static? Is this even worth doing?
1019
1020 with_asm_arch = ''
1021 if host_machine.cpu_family() == 'x86'
1022   if system_has_kms_drm or host_machine.system() == 'gnu'
1023     with_asm_arch = 'x86'
1024     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1025                  '-DUSE_SSE_ASM']
1026
1027     if with_glx_read_only_text
1028       pre_args += ['-DGLX_X86_READONLY_TEXT']
1029     endif
1030   endif
1031 elif host_machine.cpu_family() == 'x86_64'
1032   if system_has_kms_drm
1033     with_asm_arch = 'x86_64'
1034     pre_args += ['-DUSE_X86_64_ASM']
1035   endif
1036 elif host_machine.cpu_family() == 'arm'
1037   if system_has_kms_drm
1038     with_asm_arch = 'arm'
1039     pre_args += ['-DUSE_ARM_ASM']
1040   endif
1041 elif host_machine.cpu_family() == 'aarch64'
1042   if system_has_kms_drm
1043     with_asm_arch = 'aarch64'
1044     pre_args += ['-DUSE_AARCH64_ASM']
1045   endif
1046 elif host_machine.cpu_family() == 'sparc64'
1047   if system_has_kms_drm
1048     with_asm_arch = 'sparc'
1049     pre_args += ['-DUSE_SPARC_ASM']
1050   endif
1051 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1052   if system_has_kms_drm
1053     with_asm_arch = 'ppc64le'
1054     pre_args += ['-DUSE_PPC64LE_ASM']
1055   endif
1056 endif
1057
1058 # Check for standard headers and functions
1059 if cc.has_header_symbol('sys/sysmacros.h', 'major')
1060   pre_args += '-DMAJOR_IN_SYSMACROS'
1061 elif cc.has_header_symbol('sys/mkdev.h', 'major')
1062   pre_args += '-DMAJOR_IN_MKDEV'
1063 endif
1064
1065 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1066   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1067     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1068   endif
1069 endforeach
1070
1071 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create', 'random_r']
1072   if cc.has_function(f)
1073     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1074   endif
1075 endforeach
1076
1077 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1078                         args : '-D_GNU_SOURCE')
1079    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1080 elif with_tools.contains('intel')
1081   error('Intel tools require the program_invocation_name variable')
1082 endif
1083
1084 # strtod locale support
1085 if cc.links('''
1086     #define _GNU_SOURCE
1087     #include <stdlib.h>
1088     #include <locale.h>
1089     #ifdef HAVE_XLOCALE_H
1090     #include <xlocale.h>
1091     #endif
1092     int main() {
1093       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1094       const char *s = "1.0";
1095       char *end;
1096       double d = strtod_l(s, end, loc);
1097       float f = strtof_l(s, end, loc);
1098       freelocale(loc);
1099       return 0;
1100     }''',
1101     args : pre_args,
1102     name : 'strtod has locale support')
1103   pre_args += '-DHAVE_STRTOD_L'
1104 endif
1105
1106 # Check for some linker flags
1107 ld_args_bsymbolic = []
1108 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1109   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1110 endif
1111 ld_args_gc_sections = []
1112 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1113             args : '-Wl,--gc-sections', name : 'gc-sections')
1114   ld_args_gc_sections += '-Wl,--gc-sections'
1115 endif
1116 with_ld_version_script = false
1117 if cc.links('int main() { return 0; }',
1118             args : '-Wl,--version-script=@0@'.format(
1119               join_paths(meson.source_root(), 'build-support/conftest.map')),
1120             name : 'version-script')
1121   with_ld_version_script = true
1122 endif
1123 with_ld_dynamic_list = false
1124 if cc.links('int main() { return 0; }',
1125             args : '-Wl,--dynamic-list=@0@'.format(
1126               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1127             name : 'dynamic-list')
1128   with_ld_dynamic_list = true
1129 endif
1130 ld_args_build_id = []
1131 if build_machine.system() != 'darwin'
1132    ld_args_build_id += '-Wl,--build-id=sha1'
1133 endif
1134
1135 # check for dl support
1136 dep_dl = null_dep
1137 if host_machine.system() != 'windows'
1138   if not cc.has_function('dlopen')
1139     dep_dl = cc.find_library('dl')
1140   endif
1141   if cc.has_function('dladdr', dependencies : dep_dl)
1142     # This is really only required for megadrivers
1143     pre_args += '-DHAVE_DLADDR'
1144   endif
1145 endif
1146
1147 if cc.has_function('dl_iterate_phdr')
1148   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1149 elif with_intel_vk
1150   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1151 elif with_dri_i965 and with_shader_cache
1152   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1153 endif
1154
1155 # Determine whether or not the rt library is needed for time functions
1156 if cc.has_function('clock_gettime')
1157   dep_clock = null_dep
1158 else
1159   dep_clock = cc.find_library('rt')
1160 endif
1161
1162 # TODO: some of these may be conditional
1163 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1164 pre_args += '-DHAVE_ZLIB'
1165 dep_thread = dependency('threads')
1166 if dep_thread.found() and host_machine.system() != 'windows'
1167   pre_args += '-DHAVE_PTHREAD'
1168   if cc.has_function(
1169       'pthread_setaffinity_np',
1170       dependencies : dep_thread,
1171       prefix : '#include <pthread.h>',
1172       args : '-D_GNU_SOURCE')
1173     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1174   endif
1175   if cc.has_function(
1176       'pthread_setaffinity_np',
1177       dependencies : dep_thread,
1178       prefix : '#include <pthread_np.h>')
1179     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1180   endif
1181 endif
1182 dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1183 # this only exists on linux so either this is linux and it will be found, or
1184 # it's not linux and wont
1185 dep_m = cc.find_library('m', required : false)
1186
1187 # Check for libdrm. Various drivers have different libdrm version requirements,
1188 # but we always want to use the same version for all libdrm modules. That means
1189 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1190 # bar are both on use 2.4.3 for both of them
1191 dep_libdrm_amdgpu = null_dep
1192 dep_libdrm_radeon = null_dep
1193 dep_libdrm_nouveau = null_dep
1194 dep_libdrm_intel = null_dep
1195
1196 _drm_amdgpu_ver = '2.4.99'
1197 _drm_radeon_ver = '2.4.71'
1198 _drm_nouveau_ver = '2.4.66'
1199 _drm_intel_ver = '2.4.75'
1200 _drm_ver = '2.4.81'
1201
1202 _libdrm_checks = [
1203   ['intel', with_dri_i915 or with_gallium_i915],
1204   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1205   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1206               with_gallium_r300 or with_gallium_r600)],
1207   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1208 ]
1209
1210 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1211 # library.
1212 if with_gallium_vc4
1213   _drm_ver = '2.4.89'
1214 endif
1215
1216 # etnaviv only needs core libdrm
1217 if with_gallium_etnaviv
1218   _drm_ver = '2.4.89'
1219 endif
1220
1221 # Loop over the enables versions and get the highest libdrm requirement for all
1222 # active drivers.
1223 _drm_blame = ''
1224 foreach d : _libdrm_checks
1225   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1226   if d[1] and ver.version_compare('>' + _drm_ver)
1227     _drm_ver = ver
1228     _drm_blame = d[0]
1229   endif
1230 endforeach
1231 if _drm_blame != ''
1232   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1233 endif
1234
1235 # Then get each libdrm module
1236 foreach d : _libdrm_checks
1237   if d[1]
1238     set_variable(
1239       'dep_libdrm_' + d[0],
1240       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1241     )
1242   endif
1243 endforeach
1244
1245 with_gallium_drisw_kms = false
1246 dep_libdrm = dependency(
1247   'libdrm', version : '>=' + _drm_ver,
1248   required : with_dri2 or with_dri3
1249 )
1250 if dep_libdrm.found()
1251   pre_args += '-DHAVE_LIBDRM'
1252   if with_dri_platform == 'drm' and with_dri
1253     with_gallium_drisw_kms = true
1254   endif
1255 endif
1256
1257 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1258 llvm_optional_modules = []
1259 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1260   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1261   if with_gallium_r600
1262     llvm_modules += 'asmparser'
1263   endif
1264 endif
1265 if with_gallium_opencl
1266   llvm_modules += [
1267     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1268     'lto', 'option', 'objcarcopts', 'profiledata',
1269   ]
1270 endif
1271 if with_gallium_opencl or with_gallium_softpipe
1272   llvm_optional_modules += ['coroutines']
1273 endif
1274
1275 if with_amd_vk or with_gallium_radeonsi
1276   _llvm_version = '>= 8.0.0'
1277 elif with_gallium_swr
1278   _llvm_version = '>= 6.0.0'
1279 else
1280   _llvm_version = '>= 3.9.0'
1281 endif
1282
1283 _shared_llvm = get_option('shared-llvm')
1284
1285 _llvm = get_option('llvm')
1286 dep_llvm = null_dep
1287 with_llvm = false
1288 if _llvm != 'false'
1289   dep_llvm = dependency(
1290     'llvm',
1291     version : _llvm_version,
1292     modules : llvm_modules,
1293     optional_modules : llvm_optional_modules,
1294     required : (
1295       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1296       with_gallium_opencl or _llvm == 'true'
1297     ),
1298     static : not _shared_llvm,
1299     method : 'config-tool',
1300   )
1301   with_llvm = dep_llvm.found()
1302 endif
1303 if with_llvm
1304   pre_args += '-DLLVM_AVAILABLE'
1305   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1306
1307   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1308   # programs, so we need to build all C++ code in mesa without rtti as well to
1309   # ensure that linking works.
1310   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1311     if with_gallium_nouveau
1312       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1313     elif with_gallium_opencl
1314       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1315     endif
1316     cpp_args += '-fno-rtti'
1317   endif
1318 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1319   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1320 elif with_gallium_opencl
1321   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1322 endif
1323
1324 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1325     (with_gallium_r600 and with_llvm))
1326   dep_elf = dependency('libelf', required : false)
1327   if not dep_elf.found()
1328     dep_elf = cc.find_library('elf')
1329   endif
1330 else
1331   dep_elf = null_dep
1332 endif
1333
1334 dep_glvnd = null_dep
1335 if with_glvnd
1336   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1337   pre_args += '-DUSE_LIBGLVND=1'
1338 endif
1339
1340 if with_valgrind != 'false'
1341   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1342   if dep_valgrind.found()
1343     pre_args += '-DHAVE_VALGRIND'
1344   endif
1345 else
1346   dep_valgrind = null_dep
1347 endif
1348
1349 # pthread stubs. Lets not and say we didn't
1350
1351 prog_bison = find_program('bison', required : with_any_opengl)
1352 prog_flex = find_program('flex', required : with_any_opengl)
1353
1354 dep_selinux = null_dep
1355 if get_option('selinux')
1356   dep_selinux = dependency('libselinux')
1357   pre_args += '-DMESA_SELINUX'
1358 endif
1359
1360 if with_libunwind != 'false'
1361   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1362   if dep_unwind.found()
1363     pre_args += '-DHAVE_LIBUNWIND'
1364   endif
1365 else
1366   dep_unwind = null_dep
1367 endif
1368
1369 if with_osmesa != 'none'
1370   if with_osmesa == 'gallium' and not with_gallium_softpipe
1371     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1372   endif
1373   osmesa_lib_name = 'OSMesa'
1374   osmesa_bits = get_option('osmesa-bits')
1375   if osmesa_bits != '8'
1376     if with_dri or with_glx != 'disabled'
1377       error('OSMesa bits must be 8 if building glx or dir based drivers')
1378     endif
1379     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1380     pre_args += [
1381       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1382     ]
1383   endif
1384 endif
1385
1386 # TODO: symbol mangling
1387
1388 if with_platform_wayland
1389   dep_wl_scanner = dependency('wayland-scanner', native: true)
1390   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1391   if dep_wl_scanner.version().version_compare('>= 1.15')
1392     wl_scanner_arg = 'private-code'
1393   else
1394     wl_scanner_arg = 'code'
1395   endif
1396   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1397   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1398   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1399   if with_egl
1400     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1401     dep_wayland_egl_headers = declare_dependency(
1402       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1403   endif
1404   wayland_dmabuf_xml = join_paths(
1405     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1406     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1407   )
1408   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1409 endif
1410
1411 dep_x11 = null_dep
1412 dep_xext = null_dep
1413 dep_xdamage = null_dep
1414 dep_xfixes = null_dep
1415 dep_x11_xcb = null_dep
1416 dep_xcb = null_dep
1417 dep_xcb_glx = null_dep
1418 dep_xcb_dri2 = null_dep
1419 dep_xcb_dri3 = null_dep
1420 dep_dri2proto = null_dep
1421 dep_glproto = null_dep
1422 dep_xxf86vm = null_dep
1423 dep_xcb_dri3 = null_dep
1424 dep_xcb_present = null_dep
1425 dep_xcb_sync = null_dep
1426 dep_xcb_xfixes = null_dep
1427 dep_xshmfence = null_dep
1428 dep_xcb_xrandr = null_dep
1429 dep_xlib_xrandr = null_dep
1430 if with_platform_x11
1431   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1432     dep_x11 = dependency('x11')
1433     dep_xext = dependency('xext')
1434     dep_xcb = dependency('xcb')
1435   elif with_glx == 'dri'
1436     dep_x11 = dependency('x11')
1437     dep_xext = dependency('xext')
1438     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1439     dep_xfixes = dependency('xfixes')
1440     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1441   endif
1442   if (with_any_vk or with_glx == 'dri' or with_egl or
1443        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1444         with_gallium_omx != 'disabled'))
1445     dep_xcb = dependency('xcb')
1446     dep_x11_xcb = dependency('x11-xcb')
1447   endif
1448   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1449     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1450
1451     if with_dri3
1452       pre_args += '-DHAVE_DRI3'
1453       dep_xcb_dri3 = dependency('xcb-dri3')
1454       dep_xcb_present = dependency('xcb-present')
1455       # until xcb-dri3 has been around long enough to make a hard-dependency:
1456       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1457           dep_xcb_present.version().version_compare('>= 1.13'))
1458         pre_args += '-DHAVE_DRI3_MODIFIERS'
1459       endif
1460       dep_xcb_sync = dependency('xcb-sync')
1461       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1462     endif
1463   endif
1464   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1465     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1466   endif
1467   if with_glx == 'dri'
1468     if with_dri_platform == 'drm'
1469       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1470       dep_xxf86vm = dependency('xxf86vm')
1471     endif
1472   endif
1473   if (with_egl or (
1474       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1475       with_gallium_omx != 'disabled'))
1476     dep_xcb_xfixes = dependency('xcb-xfixes')
1477   endif
1478   if with_xlib_lease
1479     dep_xcb_xrandr = dependency('xcb-randr')
1480     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1481   endif
1482 endif
1483
1484 if get_option('gallium-extra-hud')
1485   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1486 endif
1487
1488 _sensors = get_option('lmsensors')
1489 if _sensors != 'false'
1490   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1491   if dep_lmsensors.found()
1492     pre_args += '-DHAVE_LIBSENSORS=1'
1493   endif
1494 else
1495   dep_lmsensors = null_dep
1496 endif
1497
1498 foreach a : pre_args
1499   add_project_arguments(a, language : ['c', 'cpp'])
1500 endforeach
1501 foreach a : c_args
1502   add_project_arguments(a, language : ['c'])
1503 endforeach
1504 foreach a : cpp_args
1505   add_project_arguments(a, language : ['cpp'])
1506 endforeach
1507
1508 gl_priv_reqs = []
1509
1510 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1511   gl_priv_reqs += ['x11', 'xext', 'xcb']
1512 elif with_glx == 'dri'
1513   gl_priv_reqs += [
1514     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1515     'xcb-glx >= 1.8.1']
1516   if with_dri_platform == 'drm'
1517     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1518     gl_priv_reqs += 'xxf86vm'
1519   endif
1520 endif
1521 if dep_libdrm.found()
1522   gl_priv_reqs += 'libdrm >= 2.4.75'
1523 endif
1524
1525 gl_priv_libs = []
1526 if dep_thread.found()
1527   gl_priv_libs += ['-lpthread', '-pthread']
1528 endif
1529 if dep_m.found()
1530   gl_priv_libs += '-lm'
1531 endif
1532 if dep_dl.found()
1533   gl_priv_libs += '-ldl'
1534 endif
1535
1536 pkg = import('pkgconfig')
1537
1538 prog_nm = find_program('nm', required : false)
1539
1540 # This quirk needs to be applied to sources with functions defined in assembly
1541 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1542 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1543
1544 subdir('include')
1545 subdir('bin')
1546 subdir('src')
1547
1548 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1549 # formatting below unless the first argument is passed as a variable. This has
1550 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1551 # for backwards compatibility.
1552 _with_opengl_string = with_opengl ? 'yes' : 'no'
1553
1554 lines = ['',
1555   'prefix:          ' + get_option('prefix'),
1556   'libdir:          ' + get_option('libdir'),
1557   'includedir:      ' + get_option('includedir'),
1558   '',
1559   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1560                                                     with_gles1 ? 'yes' : 'no',
1561                                                     with_gles2 ? 'yes' : 'no'),
1562 ]
1563
1564 if with_osmesa != 'none'
1565   lines += ''
1566   suffix = ''
1567   if with_osmesa == 'gallium'
1568     suffix = '(Gallium)'
1569   endif
1570   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1571 else
1572   lines += 'OSMesa:          no'
1573 endif
1574
1575 if with_dri
1576   lines += ''
1577   lines += 'DRI platform:    ' + with_dri_platform
1578   if dri_drivers.length() != 0 and dri_drivers != ['']
1579     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1580   else
1581     lines += 'DRI drivers:     no'
1582   endif
1583   lines += 'DRI driver dir:  ' + dri_drivers_path
1584 endif
1585
1586 if with_glx != 'disabled'
1587   lines += ''
1588   if with_glx == 'dri'
1589     lines += 'GLX:             DRI-based'
1590   elif with_glx == 'xlib'
1591     lines += 'GLX:             Xlib-based'
1592   elif with_glx == 'gallium-xlib'
1593     lines += 'GLX:             Xlib-based (Gallium)'
1594   else
1595     lines += 'GLX:             ' + with_glx
1596   endif
1597 endif
1598
1599 lines += ''
1600 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1601 if with_egl
1602   egl_drivers = []
1603   if with_dri
1604     egl_drivers += 'builtin:egl_dri2'
1605   endif
1606   if with_dri3
1607     egl_drivers += 'builtin:egl_dri3'
1608   endif
1609   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1610 endif
1611 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1612 if with_platforms
1613   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1614 endif
1615
1616 lines += ''
1617 if with_any_vk
1618   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1619   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1620 else
1621   lines += 'Vulkan drivers:  no'
1622 endif
1623
1624 lines += ''
1625 if with_llvm
1626   lines += 'llvm:            yes'
1627   lines += 'llvm-version:    ' + dep_llvm.version()
1628 else
1629   lines += 'llvm:            no'
1630 endif
1631
1632 lines += ''
1633 if with_gallium
1634   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1635   gallium_st = ['mesa']
1636   if with_gallium_xa
1637     gallium_st += 'xa'
1638   endif
1639   if with_gallium_xvmc
1640     gallium_st += 'xvmc'
1641   endif
1642   if with_gallium_xvmc
1643     gallium_st += 'xvmc'
1644   endif
1645   if with_gallium_vdpau
1646     gallium_st += 'vdpau'
1647   endif
1648   if with_gallium_omx != 'disabled'
1649     gallium_st += 'omx' + with_gallium_omx
1650   endif
1651   if with_gallium_va
1652     gallium_st += 'va'
1653   endif
1654   if with_gallium_st_nine
1655     gallium_st += 'nine'
1656   endif
1657   if with_gallium_opencl
1658     gallium_st += 'clover'
1659   endif
1660   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1661 else
1662   lines += 'Gallium:         no'
1663 endif
1664
1665 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1666
1667 lines += ''
1668 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1669
1670
1671 indent = '        '
1672 summary = indent + ('\n' + indent).join(lines)
1673 message('Configuration summary:\n@0@\n'.format(summary))