meson.build

   1 # Copyright © 2017-2018 Intel Corporation
   2
   3 # Permission is hereby granted, free of charge, to any person obtaining a copy
   4 # of this software and associated documentation files (the "Software"), to deal
   5 # in the Software without restriction, including without limitation the rights
   6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7 # copies of the Software, and to permit persons to whom the Software is
   8 # furnished to do so, subject to the following conditions:
   9
  10 # The above copyright notice and this permission notice shall be included in
  11 # all copies or substantial portions of the Software.
  12
  13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  19 # SOFTWARE.
  20
  21 project(
  22   'mesa',
  23   ['c', 'cpp'],
  24   version : run_command(
  25     [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
  26   ).stdout(),
  27   license : 'MIT',
  28   meson_version : '>= 0.45',
  29   default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++11']
  30 )
  31
  32 cc = meson.get_compiler('c')
  33 cpp = meson.get_compiler('cpp')
  34
  35 null_dep = dependency('', required : false)
  36
  37 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  38
  39 # Arguments for the preprocessor, put these in a separate array from the C and
  40 # C++ (cpp in meson terminology) arguments since they need to be added to the
  41 # default arguments for both C and C++.
  42 pre_args = [
  43   '-D__STDC_CONSTANT_MACROS',
  44   '-D__STDC_FORMAT_MACROS',
  45   '-D__STDC_LIMIT_MACROS',
  46   '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
  47   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  48 ]
  49
  50 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  51 with_tests = get_option('build-tests')
  52 with_valgrind = get_option('valgrind')
  53 with_libunwind = get_option('libunwind')
  54 with_asm = get_option('asm')
  55 with_glx_read_only_text = get_option('glx-read-only-text')
  56 with_osmesa = get_option('osmesa')
  57 with_swr_arches = get_option('swr-arches')
  58 with_tools = get_option('tools')
  59 if with_tools.contains('all')
  60   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
  61 endif
  62
  63 dri_drivers_path = get_option('dri-drivers-path')
  64 if dri_drivers_path == ''
  65   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  66 endif
  67 dri_search_path = get_option('dri-search-path')
  68 if dri_search_path == ''
  69   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  70 endif
  71
  72 with_gles1 = get_option('gles1')
  73 with_gles2 = get_option('gles2')
  74 with_opengl = get_option('opengl')
  75 with_any_opengl = with_opengl or with_gles1 or with_gles2
  76 # Only build shared_glapi if at least one OpenGL API is enabled
  77 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  78
  79
  80 # shared-glapi is required if at least two OpenGL APIs are being built
  81 if not with_shared_glapi
  82   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  83       or (with_gles2 and with_opengl))
  84     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  85   endif
  86 endif
  87
  88 # We require OpenGL for OpenGL ES
  89 if (with_gles1 or with_gles2) and not with_opengl
  90   error('building OpenGL ES without OpenGL is not supported.')
  91 endif
  92
  93 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  94
  95 _drivers = get_option('dri-drivers')
  96 if _drivers.contains('auto')
  97   if system_has_kms_drm
  98     # TODO: PPC, Sparc
  99     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 100       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 101     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 102       _drivers = []
 103     else
 104       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 105             host_machine.cpu_family()))
 106     endif
 107   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 108     # only swrast would make sense here, but gallium swrast is a much better default
 109     _drivers = []
 110   else
 111     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 112           host_machine.system()))
 113   endif
 114 endif
 115
 116 with_dri_i915 = _drivers.contains('i915')
 117 with_dri_i965 = _drivers.contains('i965')
 118 with_dri_r100 = _drivers.contains('r100')
 119 with_dri_r200 = _drivers.contains('r200')
 120 with_dri_nouveau = _drivers.contains('nouveau')
 121 with_dri_swrast = _drivers.contains('swrast')
 122
 123 with_dri = _drivers.length() != 0 and _drivers != ['']
 124
 125 _drivers = get_option('gallium-drivers')
 126 if _drivers.contains('auto')
 127   if system_has_kms_drm
 128     # TODO: PPC, Sparc
 129     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 130       _drivers = [
 131         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 132       ]
 133     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 134       _drivers = [
 135         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 136         'tegra', 'virgl', 'swrast',
 137       ]
 138     else
 139       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 140             host_machine.cpu_family()))
 141     endif
 142   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 143     _drivers = ['swrast']
 144   else
 145     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 146           host_machine.system()))
 147   endif
 148 endif
 149 with_gallium_pl111 = _drivers.contains('pl111')
 150 with_gallium_radeonsi = _drivers.contains('radeonsi')
 151 with_gallium_r300 = _drivers.contains('r300')
 152 with_gallium_r600 = _drivers.contains('r600')
 153 with_gallium_nouveau = _drivers.contains('nouveau')
 154 with_gallium_freedreno = _drivers.contains('freedreno')
 155 with_gallium_softpipe = _drivers.contains('swrast')
 156 with_gallium_vc4 = _drivers.contains('vc4')
 157 with_gallium_v3d = _drivers.contains('v3d')
 158 with_gallium_etnaviv = _drivers.contains('etnaviv')
 159 with_gallium_imx = _drivers.contains('imx')
 160 with_gallium_tegra = _drivers.contains('tegra')
 161 with_gallium_i915 = _drivers.contains('i915')
 162 with_gallium_svga = _drivers.contains('svga')
 163 with_gallium_virgl = _drivers.contains('virgl')
 164 with_gallium_swr = _drivers.contains('swr')
 165
 166 with_gallium = _drivers.length() != 0 and _drivers != ['']
 167
 168 if with_gallium and system_has_kms_drm
 169   _glx = get_option('glx')
 170   _egl = get_option('egl')
 171   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 172     with_dri = true
 173   endif
 174 endif
 175
 176 _vulkan_drivers = get_option('vulkan-drivers')
 177 if _vulkan_drivers.contains('auto')
 178   if system_has_kms_drm
 179     if host_machine.cpu_family().startswith('x86')
 180       _vulkan_drivers = ['amd', 'intel']
 181     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 182       _vulkan_drivers = []
 183     else
 184       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 185             host_machine.cpu_family()))
 186     endif
 187   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 188     # No vulkan driver supports windows or macOS currently
 189     _vulkan_drivers = []
 190   else
 191     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 192           host_machine.system()))
 193   endif
 194 endif
 195
 196 with_intel_vk = _vulkan_drivers.contains('intel')
 197 with_amd_vk = _vulkan_drivers.contains('amd')
 198 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 199
 200 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 201   error('Only one swrast provider can be built')
 202 endif
 203 if with_dri_i915 and with_gallium_i915
 204   error('Only one i915 provider can be built')
 205 endif
 206 if with_gallium_imx and not with_gallium_etnaviv
 207   error('IMX driver requires etnaviv driver')
 208 endif
 209 if with_gallium_pl111 and not with_gallium_vc4
 210   error('pl111 driver requires vc4 driver')
 211 endif
 212 if with_gallium_tegra and not with_gallium_nouveau
 213   error('tegra driver requires nouveau driver')
 214 endif
 215
 216 if host_machine.system() == 'darwin'
 217   with_dri_platform = 'apple'
 218 elif ['windows', 'cygwin'].contains(host_machine.system())
 219   with_dri_platform = 'windows'
 220 elif system_has_kms_drm
 221   with_dri_platform = 'drm'
 222 else
 223   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 224   # assert here that one of those cases has been met.
 225   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 226   # support Hurd at time of writing (2017/11)
 227   # FIXME: illumos ends up here as well
 228   with_dri_platform = 'none'
 229 endif
 230
 231 _platforms = get_option('platforms')
 232 if _platforms.contains('auto')
 233   if system_has_kms_drm
 234     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 235   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 236     _platforms = ['x11', 'surfaceless']
 237   elif ['haiku'].contains(host_machine.system())
 238     _platforms = ['haiku']
 239   else
 240     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 241           host_machine.system()))
 242   endif
 243 endif
 244
 245 with_platform_android = _platforms.contains('android')
 246 with_platform_x11 = _platforms.contains('x11')
 247 with_platform_wayland = _platforms.contains('wayland')
 248 with_platform_drm = _platforms.contains('drm')
 249 with_platform_haiku = _platforms.contains('haiku')
 250 with_platform_surfaceless = _platforms.contains('surfaceless')
 251
 252 with_platforms = false
 253 if _platforms.length() != 0 and _platforms != ['']
 254   with_platforms = true
 255   egl_native_platform = _platforms[0]
 256 endif
 257
 258 _xlib_lease = get_option('xlib-lease')
 259 if _xlib_lease == 'auto'
 260   with_xlib_lease = with_platform_x11 and with_platform_drm
 261 else
 262   with_xlib_lease = _xlib_lease == 'true'
 263 endif
 264
 265 with_glx = get_option('glx')
 266 if with_glx == 'auto'
 267   if with_dri
 268     with_glx = 'dri'
 269   elif with_platform_haiku
 270     with_glx = 'disabled'
 271   elif with_gallium
 272     # Even when building just gallium drivers the user probably wants dri
 273     with_glx = 'dri'
 274   elif with_platform_x11 and with_any_opengl and not with_any_vk
 275     # The automatic behavior should not be to turn on xlib based glx when
 276     # building only vulkan drivers
 277     with_glx = 'xlib'
 278   else
 279     with_glx = 'disabled'
 280   endif
 281 endif
 282 if with_glx == 'dri'
 283    if with_gallium
 284       with_dri = true
 285    endif
 286 endif
 287
 288 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 289   with_gles1 = false
 290   with_gles2 = false
 291   with_opengl = false
 292   with_any_opengl = false
 293   with_shared_glapi = false
 294 endif
 295
 296 _gbm = get_option('gbm')
 297 if _gbm == 'auto'
 298   with_gbm = system_has_kms_drm and with_dri
 299 else
 300   with_gbm = _gbm == 'true'
 301 endif
 302 if with_gbm and not system_has_kms_drm
 303   error('GBM only supports DRM/KMS platforms')
 304 endif
 305
 306 _egl = get_option('egl')
 307 if _egl == 'auto'
 308   with_egl = (
 309     not ['darwin', 'windows'].contains(host_machine.system()) and
 310     with_dri and with_shared_glapi and with_platforms
 311   )
 312 elif _egl == 'true'
 313   if not with_dri
 314     error('EGL requires dri')
 315   elif not with_shared_glapi
 316     error('EGL requires shared-glapi')
 317   elif not with_platforms
 318     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 319   elif not ['disabled', 'dri'].contains(with_glx)
 320     error('EGL requires dri, but a GLX is being built without dri')
 321   elif ['darwin', 'windows'].contains(host_machine.system())
 322     error('EGL is not available on Windows or MacOS')
 323   endif
 324   with_egl = true
 325 else
 326   with_egl = false
 327 endif
 328
 329 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 330   if with_gallium_radeonsi
 331     error('RadeonSI requires drm or surfaceless platform when using EGL')
 332   endif
 333   if with_gallium_virgl
 334     error('Virgl requires drm or surfaceless platform when using EGL')
 335   endif
 336 endif
 337
 338 pre_args += '-DGLX_USE_TLS'
 339 if with_glx != 'disabled'
 340   if not (with_platform_x11 and with_any_opengl)
 341     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 342   elif with_glx == 'gallium-xlib'
 343     if not with_gallium
 344       error('Gallium-xlib based GLX requires at least one gallium driver')
 345     elif not with_gallium_softpipe
 346       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 347     elif with_dri
 348       error('gallium-xlib conflicts with any dri driver')
 349     endif
 350   elif with_glx == 'xlib'
 351     if with_dri
 352       error('xlib conflicts with any dri driver')
 353     endif
 354   elif with_glx == 'dri'
 355     if not with_dri
 356       error('dri based GLX requires at least one DRI driver')
 357     elif not with_shared_glapi
 358       error('dri based GLX requires shared-glapi')
 359     endif
 360   endif
 361 endif
 362
 363 with_glvnd = get_option('glvnd')
 364 if with_glvnd
 365   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 366     error('Cannot build glvnd support for GLX that is not DRI based.')
 367   elif with_glx == 'disabled' and not with_egl
 368     error('glvnd requires DRI based GLX and/or EGL')
 369   endif
 370 endif
 371
 372 # TODO: toggle for this
 373 with_glx_direct = true
 374
 375 if with_vulkan_icd_dir == ''
 376   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 377 endif
 378
 379 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 380 _dri3 = get_option('dri3')
 381 if _dri3 == 'auto'
 382   with_dri3 = system_has_kms_drm and with_dri2
 383 else
 384   with_dri3 = _dri3 == 'true'
 385 endif
 386
 387 if with_any_vk and (with_platform_x11 and not with_dri3)
 388   error('Vulkan drivers require dri3 for X11 support')
 389 endif
 390 if with_dri or with_gallium
 391   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 392     error('building dri or gallium drivers require at least one window system')
 393   endif
 394 endif
 395
 396 prog_pkgconfig = find_program('pkg-config')
 397
 398 _vdpau = get_option('gallium-vdpau')
 399 if not system_has_kms_drm
 400   if _vdpau == 'true'
 401     error('VDPAU state tracker can only be build on unix-like OSes.')
 402   else
 403     _vdpau = 'false'
 404   endif
 405 elif not with_platform_x11
 406   if _vdpau == 'true'
 407     error('VDPAU state tracker requires X11 support.')
 408   else
 409     _vdpau = 'false'
 410   endif
 411 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 412           with_gallium_nouveau)
 413   if _vdpau == 'true'
 414     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 415   else
 416     _vdpau = 'false'
 417   endif
 418 endif
 419 dep_vdpau = null_dep
 420 with_gallium_vdpau = false
 421 if _vdpau != 'false'
 422   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 423   if dep_vdpau.found()
 424     dep_vdpau = declare_dependency(
 425       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 426     )
 427     with_gallium_vdpau = true
 428   endif
 429 endif
 430
 431 if with_gallium_vdpau
 432   pre_args += '-DHAVE_ST_VDPAU'
 433 endif
 434 vdpau_drivers_path = get_option('vdpau-libs-path')
 435 if vdpau_drivers_path == ''
 436   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 437 endif
 438
 439 _xvmc = get_option('gallium-xvmc')
 440 if not system_has_kms_drm
 441   if _xvmc == 'true'
 442     error('XVMC state tracker can only be build on unix-like OSes.')
 443   else
 444     _xvmc = 'false'
 445   endif
 446 elif not with_platform_x11
 447   if _xvmc == 'true'
 448     error('XVMC state tracker requires X11 support.')
 449   else
 450     _xvmc = 'false'
 451   endif
 452 elif not (with_gallium_r600 or with_gallium_nouveau)
 453   if _xvmc == 'true'
 454     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 455   else
 456     _xvmc = 'false'
 457   endif
 458 endif
 459 dep_xvmc = null_dep
 460 with_gallium_xvmc = false
 461 if _xvmc != 'false'
 462   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 463   with_gallium_xvmc = dep_xvmc.found()
 464 endif
 465
 466 xvmc_drivers_path = get_option('xvmc-libs-path')
 467 if xvmc_drivers_path == ''
 468   xvmc_drivers_path = get_option('libdir')
 469 endif
 470
 471 _omx = get_option('gallium-omx')
 472 if not system_has_kms_drm
 473   if ['auto', 'disabled'].contains(_omx)
 474     _omx = 'disabled'
 475   else
 476     error('OMX state tracker can only be built on unix-like OSes.')
 477   endif
 478 elif not (with_platform_x11 or with_platform_drm)
 479   if ['auto', 'disabled'].contains(_omx)
 480     _omx = 'disabled'
 481   else
 482     error('OMX state tracker requires X11 or drm platform support.')
 483   endif
 484 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 485   if ['auto', 'disabled'].contains(_omx)
 486     _omx = 'disabled'
 487   else
 488     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 489   endif
 490 endif
 491 with_gallium_omx = _omx
 492 dep_omx = null_dep
 493 dep_omx_other = []
 494 if ['auto', 'bellagio'].contains(_omx)
 495   dep_omx = dependency(
 496     'libomxil-bellagio', required : _omx == 'bellagio'
 497   )
 498   if dep_omx.found()
 499     with_gallium_omx = 'bellagio'
 500   endif
 501 endif
 502 if ['auto', 'tizonia'].contains(_omx)
 503   if with_dri and with_egl
 504     dep_omx = dependency(
 505       'libtizonia', version : '>= 0.10.0',
 506       required : _omx == 'tizonia',
 507     )
 508     dep_omx_other = [
 509       dependency('libtizplatform', required : _omx == 'tizonia'),
 510       dependency('tizilheaders', required : _omx == 'tizonia'),
 511     ]
 512     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 513       with_gallium_omx = 'tizonia'
 514     endif
 515   elif _omx == 'tizonia'
 516     error('OMX-Tizonia state tracker requires dri and egl')
 517   endif
 518 endif
 519 if _omx == 'auto'
 520   with_gallium_omx = 'disabled'
 521 else
 522   with_gallium_omx = _omx
 523 endif
 524
 525 pre_args += [
 526   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 527   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 528 ]
 529
 530
 531 omx_drivers_path = get_option('omx-libs-path')
 532
 533 if with_gallium_omx != 'disabled'
 534   # Figure out where to put the omx driver.
 535   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 536   # argument to meson's get_pkgconfig_variable method.
 537   if omx_drivers_path == ''
 538     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 539     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 540     if _omx_libdir == get_option('libdir')
 541       omx_drivers_path = _omx_drivers_dir
 542     else
 543       _omx_base_dir = []
 544       # This will fail on windows. Does OMX run on windows?
 545       _omx_libdir = _omx_libdir.split('/')
 546       _omx_drivers_dir = _omx_drivers_dir.split('/')
 547       foreach o : _omx_drivers_dir
 548         if not _omx_libdir.contains(o)
 549           _omx_base_dir += o
 550         endif
 551       endforeach
 552       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 553     endif
 554   endif
 555 endif
 556
 557 _va = get_option('gallium-va')
 558 if not system_has_kms_drm
 559   if _va == 'true'
 560     error('VA state tracker can only be built on unix-like OSes.')
 561   else
 562     _va = 'false'
 563   endif
 564 elif not (with_platform_x11 or with_platform_drm)
 565   if _va == 'true'
 566     error('VA state tracker requires X11 or drm or wayland platform support.')
 567   else
 568     _va = 'false'
 569   endif
 570 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 571   if _va == 'true'
 572     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 573   else
 574     _va = 'false'
 575   endif
 576 endif
 577 with_gallium_va = false
 578 dep_va = null_dep
 579 if _va != 'false'
 580   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 581   if dep_va.found()
 582     dep_va_headers = declare_dependency(
 583       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 584     )
 585     with_gallium_va = true
 586   endif
 587 endif
 588
 589 va_drivers_path = get_option('va-libs-path')
 590 if va_drivers_path == ''
 591   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 592 endif
 593
 594 _xa = get_option('gallium-xa')
 595 if not system_has_kms_drm
 596   if _xa == 'true'
 597     error('XA state tracker can only be built on unix-like OSes.')
 598   else
 599     _xa = 'false'
 600   endif
 601 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 602           or with_gallium_svga)
 603   if _xa == 'true'
 604     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 605   else
 606     _xa = 'false'
 607   endif
 608 endif
 609 with_gallium_xa = _xa != 'false'
 610
 611 d3d_drivers_path = get_option('d3d-drivers-path')
 612 if d3d_drivers_path == ''
 613   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 614 endif
 615
 616 with_gallium_st_nine =  get_option('gallium-nine')
 617 if with_gallium_st_nine
 618   if not with_gallium_softpipe
 619     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 620   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 621             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 622     error('The nine state tracker requires at least on non-swrast gallium driver.')
 623   endif
 624   if not with_dri3
 625     error('Using nine with wine requires dri3')
 626   endif
 627 endif
 628
 629 if get_option('power8') != 'false'
 630   # on old versions of meson the cpu family would return as ppc64le on little
 631   # endian power8, this was changed in 0.48 such that the family would always
 632   # be ppc64 regardless of endianness, and the the machine.endian() value
 633   # should be checked. Since we support versions < 0.48 we need to use
 634   # startswith.
 635   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 636     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 637       error('Altivec is not supported with gcc version < 4.8.')
 638     endif
 639     if cc.compiles('''
 640         #include <altivec.h>
 641         int main() {
 642           vector unsigned char r;
 643           vector unsigned int v = vec_splat_u32 (1);
 644           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 645           return 0;
 646         }''',
 647         args : '-mpower8-vector',
 648         name : 'POWER8 intrinsics')
 649       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 650     elif get_option('power8') == 'true'
 651       error('POWER8 intrinsic support required but not found.')
 652     endif
 653   endif
 654 endif
 655
 656 _opencl = get_option('gallium-opencl')
 657 if _opencl != 'disabled'
 658   if not with_gallium
 659     error('OpenCL Clover implementation requires at least one gallium driver.')
 660   endif
 661
 662   dep_clc = dependency('libclc')
 663   with_gallium_opencl = true
 664   with_opencl_icd = _opencl == 'icd'
 665 else
 666   dep_clc = null_dep
 667   with_gallium_opencl = false
 668   with_gallium_icd = false
 669 endif
 670
 671 gl_pkgconfig_c_flags = []
 672 if with_platform_x11
 673   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 674     pre_args += '-DHAVE_X11_PLATFORM'
 675   endif
 676   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 677     pre_args += '-DUSE_XSHM'
 678   else
 679     pre_args += '-DGLX_INDIRECT_RENDERING'
 680     if with_glx_direct
 681       pre_args += '-DGLX_DIRECT_RENDERING'
 682     endif
 683     if with_dri_platform == 'drm'
 684       pre_args += '-DGLX_USE_DRM'
 685     elif with_dri_platform == 'apple'
 686       pre_args += '-DGLX_USE_APPLEGL'
 687     elif with_dri_platform == 'windows'
 688       pre_args += '-DGLX_USE_WINDOWSGL'
 689     endif
 690   endif
 691 else
 692   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 693   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 694 endif
 695 if with_platform_drm
 696   if with_egl and not with_gbm
 697     error('EGL drm platform requires gbm')
 698   endif
 699   pre_args += '-DHAVE_DRM_PLATFORM'
 700 endif
 701 if with_platform_surfaceless
 702   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 703 endif
 704 if with_platform_android
 705   dep_android = [
 706     dependency('cutils'),
 707     dependency('hardware'),
 708     dependency('sync'),
 709   ]
 710   pre_args += '-DHAVE_ANDROID_PLATFORM'
 711 endif
 712 if with_platform_haiku
 713   pre_args += '-DHAVE_HAIKU_PLATFORM'
 714 endif
 715
 716 prog_python = import('python3').find_python()
 717 has_mako = run_command(
 718   prog_python, '-c',
 719   '''
 720 from distutils.version import StrictVersion
 721 import mako
 722 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 723   ''')
 724 if has_mako.returncode() != 0
 725   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 726 endif
 727
 728 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 729   error('When using GCC, version 4.4.6 or later is required.')
 730 endif
 731
 732 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 733 if get_option('buildtype') == 'debug'
 734   pre_args += '-DDEBUG'
 735 endif
 736
 737 if get_option('shader-cache')
 738   pre_args += '-DENABLE_SHADER_CACHE'
 739 elif with_amd_vk
 740   error('Radv requires shader cache support')
 741 endif
 742
 743 # Check for GCC style builtins
 744 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 745              'ffsll', 'popcount', 'popcountll', 'unreachable']
 746   if cc.has_function(b)
 747     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 748   endif
 749 endforeach
 750
 751 # check for GCC __attribute__
 752 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 753              'warn_unused_result', 'weak',]
 754   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 755                  name : '__attribute__((@0@))'.format(a))
 756     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 757   endif
 758 endforeach
 759 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 760                name : '__attribute__((format(...)))')
 761   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 762 endif
 763 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 764                name : '__attribute__((packed))')
 765   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 766 endif
 767 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 768                name : '__attribute__((returns_nonnull))')
 769   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 770 endif
 771 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 772                   int foo_hid(void) __attribute__((visibility("hidden")));
 773                   int foo_int(void) __attribute__((visibility("internal")));
 774                   int foo_pro(void) __attribute__((visibility("protected")));''',
 775                name : '__attribute__((visibility(...)))')
 776   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 777 endif
 778 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 779                name : '__attribute__((alias(...)))')
 780   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 781 endif
 782 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 783                name : '__attribute__((__noreturn__))')
 784   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 785 endif
 786
 787 # TODO: this is very incomplete
 788 if ['linux', 'cygwin'].contains(host_machine.system())
 789   pre_args += '-D_GNU_SOURCE'
 790 endif
 791
 792 # Check for generic C arguments
 793 c_args = []
 794 foreach a : ['-Werror=implicit-function-declaration',
 795              '-Werror=missing-prototypes', '-Werror=return-type',
 796              '-fno-math-errno',
 797              '-fno-trapping-math', '-Qunused-arguments']
 798   if cc.has_argument(a)
 799     c_args += a
 800   endif
 801 endforeach
 802
 803 foreach a : ['missing-field-initializers', 'format-truncation']
 804   if cc.has_argument('-W' + a)
 805     c_args += '-Wno-' + a
 806   endif
 807 endforeach
 808
 809 c_vis_args = []
 810 if cc.has_argument('-fvisibility=hidden')
 811   c_vis_args += '-fvisibility=hidden'
 812 endif
 813
 814 # Check for generic C++ arguments
 815 cpp_args = []
 816 foreach a : ['-Werror=return-type',
 817              '-fno-math-errno', '-fno-trapping-math',
 818              '-Qunused-arguments']
 819   if cpp.has_argument(a)
 820     cpp_args += a
 821   endif
 822 endforeach
 823
 824 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 825 # option is not supported. Hence, check for -Wfoo instead.
 826
 827 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
 828   if cpp.has_argument('-W' + a)
 829     cpp_args += '-Wno-' + a
 830   endif
 831 endforeach
 832
 833 no_override_init_args = []
 834 foreach a : ['override-init', 'initializer-overrides']
 835   if cc.has_argument('-W' + a)
 836     no_override_init_args += '-Wno-' + a
 837   endif
 838 endforeach
 839
 840 cpp_vis_args = []
 841 if cpp.has_argument('-fvisibility=hidden')
 842   cpp_vis_args += '-fvisibility=hidden'
 843 endif
 844
 845 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 846 # in parts of the mesa code base that need to compile with old versions of
 847 # MSVC, mainly common code
 848 c_msvc_compat_args = []
 849 cpp_msvc_compat_args = []
 850 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 851   if cc.has_argument(a)
 852     c_msvc_compat_args += a
 853   endif
 854   if cpp.has_argument(a)
 855     cpp_msvc_compat_args += a
 856   endif
 857 endforeach
 858
 859 if host_machine.cpu_family().startswith('x86')
 860   pre_args += '-DUSE_SSE41'
 861   with_sse41 = true
 862   sse41_args = ['-msse4.1']
 863
 864   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 865   # that's not guaranteed
 866   if host_machine.cpu_family() == 'x86'
 867     sse41_args += '-mstackrealign'
 868   endif
 869 else
 870   with_sse41 = false
 871   sse41_args = []
 872 endif
 873
 874 # Check for GCC style atomics
 875 dep_atomic = null_dep
 876
 877 if cc.compiles('''#include <stdint.h>
 878                   int main() {
 879                     struct {
 880                       uint64_t *v;
 881                     } x;
 882                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 883                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 884
 885                   }''',
 886                name : 'GCC atomic builtins')
 887   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 888
 889   # Not all atomic calls can be turned into lock-free instructions, in which
 890   # GCC will make calls into the libatomic library. Check whether we need to
 891   # link with -latomic.
 892   #
 893   # This can happen for 64-bit atomic operations on 32-bit architectures such
 894   # as ARM.
 895   if not cc.links('''#include <stdint.h>
 896                      int main() {
 897                        struct {
 898                          uint64_t *v;
 899                        } x;
 900                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 901                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 902                      }''',
 903                   name : 'GCC atomic builtins required -latomic')
 904     dep_atomic = cc.find_library('atomic')
 905   endif
 906 endif
 907 if not cc.links('''#include <stdint.h>
 908                    uint64_t v;
 909                    int main() {
 910                      return __sync_add_and_fetch(&v, (uint64_t)1);
 911                    }''',
 912                 dependencies : dep_atomic,
 913                 name : 'GCC 64bit atomics')
 914   pre_args += '-DMISSING_64BIT_ATOMICS'
 915 endif
 916
 917 # TODO: shared/static? Is this even worth doing?
 918
 919 # When cross compiling we generally need to turn off the use of assembly,
 920 # because mesa's assembly relies on building an executable for the host system,
 921 # and running it to get information about struct sizes. There is at least one
 922 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 923 # host OS == build OS, since in that case the build machine can run the host's
 924 # binaries.
 925 if with_asm and meson.is_cross_build()
 926   if build_machine.system() != host_machine.system()
 927     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 928     message('Cross compiling from one OS to another, disabling assembly.')
 929     with_asm = false
 930   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 931     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 932     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 933     # case.
 934     # TODO: There may be other cases where the 64 bit version of the
 935     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 936     message('''
 937       Cross compiling to different architectures, and the host cannot run
 938       the build machine's binaries. Disabling assembly.
 939     ''')
 940     with_asm = false
 941   endif
 942 endif
 943
 944 with_asm_arch = ''
 945 if with_asm
 946   if host_machine.cpu_family() == 'x86'
 947     if system_has_kms_drm
 948       with_asm_arch = 'x86'
 949       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 950                    '-DUSE_SSE_ASM']
 951
 952       if with_glx_read_only_text
 953          pre_args += ['-DGLX_X86_READONLY_TEXT']
 954       endif
 955     endif
 956   elif host_machine.cpu_family() == 'x86_64'
 957     if system_has_kms_drm
 958       with_asm_arch = 'x86_64'
 959       pre_args += ['-DUSE_X86_64_ASM']
 960     endif
 961   elif host_machine.cpu_family() == 'arm'
 962     if system_has_kms_drm
 963       with_asm_arch = 'arm'
 964       pre_args += ['-DUSE_ARM_ASM']
 965     endif
 966   elif host_machine.cpu_family() == 'aarch64'
 967     if system_has_kms_drm
 968       with_asm_arch = 'aarch64'
 969       pre_args += ['-DUSE_AARCH64_ASM']
 970     endif
 971   elif host_machine.cpu_family() == 'sparc64'
 972     if system_has_kms_drm
 973       with_asm_arch = 'sparc'
 974       pre_args += ['-DUSE_SPARC_ASM']
 975     endif
 976   elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 977     if system_has_kms_drm
 978       with_asm_arch = 'ppc64le'
 979       pre_args += ['-DUSE_PPC64LE_ASM']
 980     endif
 981   endif
 982 endif
 983
 984 # Check for standard headers and functions
 985 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 986   pre_args += '-DMAJOR_IN_SYSMACROS'
 987 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 988   pre_args += '-DMAJOR_IN_MKDEV'
 989 endif
 990
 991 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
 992   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 993     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 994   endif
 995 endforeach
 996
 997 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 998   if cc.has_function(f)
 999     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1000   endif
1001 endforeach
1002
1003 # strtod locale support
1004 if cc.links('''
1005     #define _GNU_SOURCE
1006     #include <stdlib.h>
1007     #include <locale.h>
1008     #ifdef HAVE_XLOCALE_H
1009     #include <xlocale.h>
1010     #endif
1011     int main() {
1012       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1013       const char *s = "1.0";
1014       char *end;
1015       double d = strtod_l(s, end, loc);
1016       float f = strtof_l(s, end, loc);
1017       freelocale(loc);
1018       return 0;
1019     }''',
1020     args : pre_args,
1021     name : 'strtod has locale support')
1022   pre_args += '-DHAVE_STRTOD_L'
1023 endif
1024
1025 # Check for some linker flags
1026 ld_args_bsymbolic = []
1027 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1028   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1029 endif
1030 ld_args_gc_sections = []
1031 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1032             args : '-Wl,--gc-sections', name : 'gc-sections')
1033   ld_args_gc_sections += '-Wl,--gc-sections'
1034 endif
1035 with_ld_version_script = false
1036 if cc.links('int main() { return 0; }',
1037             args : '-Wl,--version-script=@0@'.format(
1038               join_paths(meson.source_root(), 'build-support/conftest.map')),
1039             name : 'version-script')
1040   with_ld_version_script = true
1041 endif
1042 with_ld_dynamic_list = false
1043 if cc.links('int main() { return 0; }',
1044             args : '-Wl,--dynamic-list=@0@'.format(
1045               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1046             name : 'dynamic-list')
1047   with_ld_dynamic_list = true
1048 endif
1049 ld_args_build_id = []
1050 if build_machine.system() != 'darwin'
1051    ld_args_build_id += '-Wl,--build-id=sha1'
1052 endif
1053
1054 # check for dl support
1055 if cc.has_function('dlopen')
1056   dep_dl = null_dep
1057 else
1058   dep_dl = cc.find_library('dl')
1059 endif
1060 if cc.has_function('dladdr', dependencies : dep_dl)
1061   # This is really only required for megadrivers
1062   pre_args += '-DHAVE_DLADDR'
1063 endif
1064
1065 if cc.has_function('dl_iterate_phdr')
1066   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1067 elif with_intel_vk
1068   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1069 elif with_dri_i965 and get_option('shader-cache')
1070   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1071 endif
1072
1073 # Determine whether or not the rt library is needed for time functions
1074 if cc.has_function('clock_gettime')
1075   dep_clock = null_dep
1076 else
1077   dep_clock = cc.find_library('rt')
1078 endif
1079
1080 # TODO: some of these may be conditional
1081 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1082 pre_args += '-DHAVE_ZLIB'
1083 dep_thread = dependency('threads')
1084 if dep_thread.found() and host_machine.system() != 'windows'
1085   pre_args += '-DHAVE_PTHREAD'
1086   if cc.has_function(
1087       'pthread_setaffinity_np',
1088       dependencies : dep_thread,
1089       prefix : '#include <pthread.h>',
1090       args : '-D_GNU_SOURCE')
1091     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1092   endif
1093 endif
1094 dep_expat = dependency('expat')
1095 # this only exists on linux so either this is linux and it will be found, or
1096 # its not linux and and wont
1097 dep_m = cc.find_library('m', required : false)
1098
1099 # Check for libdrm. various drivers have different libdrm version requirements,
1100 # but we always want to use the same version for all libdrm modules. That means
1101 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1102 # bar are both on use 2.4.3 for both of them
1103 dep_libdrm_amdgpu = null_dep
1104 dep_libdrm_radeon = null_dep
1105 dep_libdrm_nouveau = null_dep
1106 dep_libdrm_etnaviv = null_dep
1107 dep_libdrm_intel = null_dep
1108
1109 _drm_amdgpu_ver = '2.4.95'
1110 _drm_radeon_ver = '2.4.71'
1111 _drm_nouveau_ver = '2.4.66'
1112 _drm_etnaviv_ver = '2.4.89'
1113 _drm_intel_ver = '2.4.75'
1114 _drm_ver = '2.4.75'
1115
1116 _libdrm_checks = [
1117   ['intel', with_dri_i915 or with_gallium_i915],
1118   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1119   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1120               with_gallium_r300 or with_gallium_r600)],
1121   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1122   ['etnaviv', with_gallium_etnaviv],
1123 ]
1124
1125 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1126 # library.
1127 if with_gallium_vc4
1128   _drm_ver = '2.4.89'
1129 endif
1130
1131 # Loop over the enables versions and get the highest libdrm requirement for all
1132 # active drivers.
1133 _drm_blame = ''
1134 foreach d : _libdrm_checks
1135   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1136   if d[1] and ver.version_compare('>' + _drm_ver)
1137     _drm_ver = ver
1138     _drm_blame = d[0]
1139   endif
1140 endforeach
1141 if _drm_blame != ''
1142   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1143 endif
1144
1145 # Then get each libdrm module
1146 foreach d : _libdrm_checks
1147   if d[1]
1148     set_variable(
1149       'dep_libdrm_' + d[0],
1150       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1151     )
1152   endif
1153 endforeach
1154
1155 with_gallium_drisw_kms = false
1156 dep_libdrm = dependency(
1157   'libdrm', version : '>=' + _drm_ver,
1158   required : with_dri2 or with_dri3
1159 )
1160 if dep_libdrm.found()
1161   pre_args += '-DHAVE_LIBDRM'
1162   if with_dri_platform == 'drm' and with_dri
1163     with_gallium_drisw_kms = true
1164   endif
1165 endif
1166
1167 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1168 llvm_optional_modules = []
1169 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1170   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1171   if with_gallium_r600
1172     llvm_modules += 'asmparser'
1173   endif
1174 endif
1175 if with_gallium_opencl
1176   llvm_modules += [
1177     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1178     'lto', 'option', 'objcarcopts', 'profiledata',
1179   ]
1180   llvm_optional_modules += ['coroutines']
1181 endif
1182
1183 if with_amd_vk or with_gallium_radeonsi
1184   _llvm_version = '>= 7.0.0'
1185 elif with_gallium_swr
1186   _llvm_version = '>= 6.0.0'
1187 elif with_gallium_opencl or with_gallium_r600
1188   _llvm_version = '>= 3.9.0'
1189 else
1190   _llvm_version = '>= 3.3.0'
1191 endif
1192
1193 _shared_llvm = get_option('shared-llvm')
1194
1195 _llvm = get_option('llvm')
1196 dep_llvm = null_dep
1197 with_llvm = false
1198 if _llvm != 'false'
1199   dep_llvm = dependency(
1200     'llvm',
1201     version : _llvm_version,
1202     modules : llvm_modules,
1203     optional_modules : llvm_optional_modules,
1204     required : (
1205       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1206       with_gallium_opencl or _llvm == 'true'
1207     ),
1208     static : not _shared_llvm,
1209   )
1210   with_llvm = dep_llvm.found()
1211 endif
1212 if with_llvm
1213   _llvm_version = dep_llvm.version().split('.')
1214
1215   # 3 digits versions in LLVM only started from 3.4.1 on
1216   if dep_llvm.version().version_compare('>= 3.4.1')
1217     _llvm_patch = _llvm_version[2]
1218   else
1219     _llvm_patch = '0'
1220   endif
1221
1222   pre_args += [
1223     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1224     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1225   ]
1226
1227   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1228   # programs, so we need to build all C++ code in mesa without rtti as well to
1229   # ensure that linking works.
1230   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1231     cpp_args += '-fno-rtti'
1232   endif
1233 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1234   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1235 endif
1236
1237 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1238     (with_gallium_r600 and with_llvm))
1239   dep_elf = dependency('libelf', required : false)
1240   if not dep_elf.found()
1241     dep_elf = cc.find_library('elf')
1242   endif
1243 else
1244   dep_elf = null_dep
1245 endif
1246
1247 dep_glvnd = null_dep
1248 if with_glvnd
1249   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1250   pre_args += '-DUSE_LIBGLVND=1'
1251 endif
1252
1253 if with_valgrind != 'false'
1254   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1255   if dep_valgrind.found()
1256     pre_args += '-DHAVE_VALGRIND'
1257   endif
1258 else
1259   dep_valgrind = null_dep
1260 endif
1261
1262 # pthread stubs. Lets not and say we didn't
1263
1264 prog_bison = find_program('bison', required : with_any_opengl)
1265 prog_flex = find_program('flex', required : with_any_opengl)
1266
1267 dep_selinux = null_dep
1268 if get_option('selinux')
1269   dep_selinux = dependency('libselinux')
1270   pre_args += '-DMESA_SELINUX'
1271 endif
1272
1273 if with_libunwind != 'false'
1274   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1275   if dep_unwind.found()
1276     pre_args += '-DHAVE_LIBUNWIND'
1277   endif
1278 else
1279   dep_unwind = null_dep
1280 endif
1281
1282 if with_osmesa != 'none'
1283   if with_osmesa == 'classic' and not with_dri_swrast
1284     error('OSMesa classic requires dri (classic) swrast.')
1285   endif
1286   if with_osmesa == 'gallium' and not with_gallium_softpipe
1287     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1288   endif
1289   osmesa_lib_name = 'OSMesa'
1290   osmesa_bits = get_option('osmesa-bits')
1291   if osmesa_bits != '8'
1292     if with_dri or with_glx != 'disabled'
1293       error('OSMesa bits must be 8 if building glx or dir based drivers')
1294     endif
1295     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1296     pre_args += [
1297       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1298     ]
1299   endif
1300 endif
1301
1302 # TODO: symbol mangling
1303
1304 if with_platform_wayland
1305   dep_wl_scanner = dependency('wayland-scanner', native: true)
1306   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1307   if dep_wl_scanner.version().version_compare('>= 1.15')
1308     wl_scanner_arg = 'private-code'
1309   else
1310     wl_scanner_arg = 'code'
1311   endif
1312   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1313   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1314   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1315   if with_egl
1316     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1317     dep_wayland_egl_headers = declare_dependency(
1318       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1319   endif
1320   wayland_dmabuf_xml = join_paths(
1321     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1322     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1323   )
1324   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1325 endif
1326
1327 dep_x11 = null_dep
1328 dep_xext = null_dep
1329 dep_xdamage = null_dep
1330 dep_xfixes = null_dep
1331 dep_x11_xcb = null_dep
1332 dep_xcb = null_dep
1333 dep_xcb_glx = null_dep
1334 dep_xcb_dri2 = null_dep
1335 dep_xcb_dri3 = null_dep
1336 dep_dri2proto = null_dep
1337 dep_glproto = null_dep
1338 dep_xxf86vm = null_dep
1339 dep_xcb_dri3 = null_dep
1340 dep_xcb_present = null_dep
1341 dep_xcb_sync = null_dep
1342 dep_xcb_xfixes = null_dep
1343 dep_xshmfence = null_dep
1344 dep_xcb_xrandr = null_dep
1345 dep_xlib_xrandr = null_dep
1346 if with_platform_x11
1347   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1348     dep_x11 = dependency('x11')
1349     dep_xext = dependency('xext')
1350     dep_xcb = dependency('xcb')
1351   elif with_glx == 'dri'
1352     dep_x11 = dependency('x11')
1353     dep_xext = dependency('xext')
1354     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1355     dep_xfixes = dependency('xfixes')
1356     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1357   endif
1358   if (with_any_vk or with_glx == 'dri' or
1359        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1360         with_gallium_omx != 'disabled'))
1361     dep_xcb = dependency('xcb')
1362     dep_x11_xcb = dependency('x11-xcb')
1363   endif
1364   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1365     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1366
1367     if with_dri3
1368       pre_args += '-DHAVE_DRI3'
1369       dep_xcb_dri3 = dependency('xcb-dri3')
1370       dep_xcb_present = dependency('xcb-present')
1371       # until xcb-dri3 has been around long enough to make a hard-dependency:
1372       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1373           dep_xcb_present.version().version_compare('>= 1.13'))
1374         pre_args += '-DHAVE_DRI3_MODIFIERS'
1375       endif
1376       dep_xcb_sync = dependency('xcb-sync')
1377       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1378     endif
1379   endif
1380   if with_glx == 'dri'
1381     if with_dri_platform == 'drm'
1382       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1383       dep_xxf86vm = dependency('xxf86vm')
1384     endif
1385     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1386   endif
1387   if (with_egl or (
1388       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1389       with_gallium_omx != 'disabled'))
1390     dep_xcb_xfixes = dependency('xcb-xfixes')
1391   endif
1392   if with_xlib_lease
1393     dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1394     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1395   endif
1396 endif
1397
1398 if get_option('gallium-extra-hud')
1399   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1400 endif
1401
1402 _sensors = get_option('lmsensors')
1403 if _sensors != 'false'
1404   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1405   if dep_lmsensors.found()
1406     pre_args += '-DHAVE_LIBSENSORS=1'
1407   endif
1408 else
1409   dep_lmsensors = null_dep
1410 endif
1411
1412 foreach a : pre_args
1413   add_project_arguments(a, language : ['c', 'cpp'])
1414 endforeach
1415 foreach a : c_args
1416   add_project_arguments(a, language : ['c'])
1417 endforeach
1418 foreach a : cpp_args
1419   add_project_arguments(a, language : ['cpp'])
1420 endforeach
1421
1422 inc_include = include_directories('include')
1423
1424 gl_priv_reqs = []
1425
1426 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1427   gl_priv_reqs += ['x11', 'xext', 'xcb']
1428 elif with_glx == 'dri'
1429   gl_priv_reqs += [
1430     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1431     'xcb-glx >= 1.8.1']
1432   if with_dri_platform == 'drm'
1433     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1434     gl_priv_reqs += 'xxf86vm'
1435   endif
1436 endif
1437 if dep_libdrm.found()
1438   gl_priv_reqs += 'libdrm >= 2.4.75'
1439 endif
1440
1441 gl_priv_libs = []
1442 if dep_thread.found()
1443   gl_priv_libs += ['-lpthread', '-pthread']
1444 endif
1445 if dep_m.found()
1446   gl_priv_libs += '-lm'
1447 endif
1448 if dep_dl.found()
1449   gl_priv_libs += '-ldl'
1450 endif
1451
1452 pkg = import('pkgconfig')
1453
1454 env_test = environment()
1455 env_test.set('NM', find_program('nm').path())
1456
1457 subdir('include')
1458 subdir('bin')
1459 subdir('src')