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   '-DVERSION="@0@"'.format(meson.project_version()),
  47   '-DPACKAGE_VERSION=VERSION',
  48   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  49 ]
  50
  51 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  52 with_tests = get_option('build-tests')
  53 with_valgrind = get_option('valgrind')
  54 with_libunwind = get_option('libunwind')
  55 with_asm = get_option('asm')
  56 with_glx_read_only_text = get_option('glx-read-only-text')
  57 with_osmesa = get_option('osmesa')
  58 with_swr_arches = get_option('swr-arches')
  59 with_tools = get_option('tools')
  60 if with_tools.contains('all')
  61   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
  62 endif
  63
  64 dri_drivers_path = get_option('dri-drivers-path')
  65 if dri_drivers_path == ''
  66   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  67 endif
  68 dri_search_path = get_option('dri-search-path')
  69 if dri_search_path == ''
  70   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  71 endif
  72
  73 with_gles1 = get_option('gles1')
  74 with_gles2 = get_option('gles2')
  75 with_opengl = get_option('opengl')
  76 with_any_opengl = with_opengl or with_gles1 or with_gles2
  77 # Only build shared_glapi if at least one OpenGL API is enabled
  78 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  79
  80
  81 # shared-glapi is required if at least two OpenGL APIs are being built
  82 if not with_shared_glapi
  83   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  84       or (with_gles2 and with_opengl))
  85     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  86   endif
  87 endif
  88
  89 # We require OpenGL for OpenGL ES
  90 if (with_gles1 or with_gles2) and not with_opengl
  91   error('building OpenGL ES without OpenGL is not supported.')
  92 endif
  93
  94 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  95
  96 _drivers = get_option('dri-drivers')
  97 if _drivers.contains('auto')
  98   if system_has_kms_drm
  99     # TODO: PPC, Sparc
 100     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 101       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 102     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 103       _drivers = []
 104     else
 105       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 106             host_machine.cpu_family()))
 107     endif
 108   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 109     # only swrast would make sense here, but gallium swrast is a much better default
 110     _drivers = []
 111   else
 112     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 113           host_machine.system()))
 114   endif
 115 endif
 116
 117 with_dri_i915 = _drivers.contains('i915')
 118 with_dri_i965 = _drivers.contains('i965')
 119 with_dri_r100 = _drivers.contains('r100')
 120 with_dri_r200 = _drivers.contains('r200')
 121 with_dri_nouveau = _drivers.contains('nouveau')
 122 with_dri_swrast = _drivers.contains('swrast')
 123
 124 with_dri = _drivers.length() != 0 and _drivers != ['']
 125
 126 _drivers = get_option('gallium-drivers')
 127 if _drivers.contains('auto')
 128   if system_has_kms_drm
 129     # TODO: PPC, Sparc
 130     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 131       _drivers = [
 132         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 133       ]
 134     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 135       _drivers = [
 136         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 137         'tegra', 'virgl', 'swrast',
 138       ]
 139     else
 140       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 141             host_machine.cpu_family()))
 142     endif
 143   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 144     _drivers = ['swrast']
 145   else
 146     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 147           host_machine.system()))
 148   endif
 149 endif
 150 with_gallium_pl111 = _drivers.contains('pl111')
 151 with_gallium_radeonsi = _drivers.contains('radeonsi')
 152 with_gallium_r300 = _drivers.contains('r300')
 153 with_gallium_r600 = _drivers.contains('r600')
 154 with_gallium_nouveau = _drivers.contains('nouveau')
 155 with_gallium_freedreno = _drivers.contains('freedreno')
 156 with_gallium_softpipe = _drivers.contains('swrast')
 157 with_gallium_vc4 = _drivers.contains('vc4')
 158 with_gallium_v3d = _drivers.contains('v3d')
 159 with_gallium_etnaviv = _drivers.contains('etnaviv')
 160 with_gallium_imx = _drivers.contains('imx')
 161 with_gallium_tegra = _drivers.contains('tegra')
 162 with_gallium_i915 = _drivers.contains('i915')
 163 with_gallium_svga = _drivers.contains('svga')
 164 with_gallium_virgl = _drivers.contains('virgl')
 165 with_gallium_swr = _drivers.contains('swr')
 166
 167 with_gallium = _drivers.length() != 0 and _drivers != ['']
 168
 169 if with_gallium and system_has_kms_drm
 170   _glx = get_option('glx')
 171   _egl = get_option('egl')
 172   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 173     with_dri = true
 174   endif
 175 endif
 176
 177 _vulkan_drivers = get_option('vulkan-drivers')
 178 if _vulkan_drivers.contains('auto')
 179   if system_has_kms_drm
 180     if host_machine.cpu_family().startswith('x86')
 181       _vulkan_drivers = ['amd', 'intel']
 182     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 183       _vulkan_drivers = []
 184     else
 185       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 186             host_machine.cpu_family()))
 187     endif
 188   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 189     # No vulkan driver supports windows or macOS currently
 190     _vulkan_drivers = []
 191   else
 192     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 193           host_machine.system()))
 194   endif
 195 endif
 196
 197 with_intel_vk = _vulkan_drivers.contains('intel')
 198 with_amd_vk = _vulkan_drivers.contains('amd')
 199 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 200
 201 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 202   error('Only one swrast provider can be built')
 203 endif
 204 if with_dri_i915 and with_gallium_i915
 205   error('Only one i915 provider can be built')
 206 endif
 207 if with_gallium_imx and not with_gallium_etnaviv
 208   error('IMX driver requires etnaviv driver')
 209 endif
 210 if with_gallium_pl111 and not with_gallium_vc4
 211   error('pl111 driver requires vc4 driver')
 212 endif
 213 if with_gallium_tegra and not with_gallium_nouveau
 214   error('tegra driver requires nouveau driver')
 215 endif
 216
 217 if host_machine.system() == 'darwin'
 218   with_dri_platform = 'apple'
 219 elif ['windows', 'cygwin'].contains(host_machine.system())
 220   with_dri_platform = 'windows'
 221 elif system_has_kms_drm
 222   with_dri_platform = 'drm'
 223 else
 224   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 225   # assert here that one of those cases has been met.
 226   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 227   # support Hurd at time of writing (2017/11)
 228   # FIXME: illumos ends up here as well
 229   with_dri_platform = 'none'
 230 endif
 231
 232 _platforms = get_option('platforms')
 233 if _platforms.contains('auto')
 234   if system_has_kms_drm
 235     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 236   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 237     _platforms = ['x11', 'surfaceless']
 238   elif ['haiku'].contains(host_machine.system())
 239     _platforms = ['haiku']
 240   else
 241     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 242           host_machine.system()))
 243   endif
 244 endif
 245
 246 with_platform_android = _platforms.contains('android')
 247 with_platform_x11 = _platforms.contains('x11')
 248 with_platform_wayland = _platforms.contains('wayland')
 249 with_platform_drm = _platforms.contains('drm')
 250 with_platform_haiku = _platforms.contains('haiku')
 251 with_platform_surfaceless = _platforms.contains('surfaceless')
 252
 253 with_platforms = false
 254 if _platforms.length() != 0 and _platforms != ['']
 255   with_platforms = true
 256   egl_native_platform = _platforms[0]
 257 endif
 258
 259 _xlib_lease = get_option('xlib-lease')
 260 if _xlib_lease == 'auto'
 261   with_xlib_lease = with_platform_x11 and with_platform_drm
 262 else
 263   with_xlib_lease = _xlib_lease == 'true'
 264 endif
 265
 266 with_glx = get_option('glx')
 267 if with_glx == 'auto'
 268   if with_dri
 269     with_glx = 'dri'
 270   elif with_platform_haiku
 271     with_glx = 'disabled'
 272   elif with_gallium
 273     # Even when building just gallium drivers the user probably wants dri
 274     with_glx = 'dri'
 275   elif with_platform_x11 and with_any_opengl and not with_any_vk
 276     # The automatic behavior should not be to turn on xlib based glx when
 277     # building only vulkan drivers
 278     with_glx = 'xlib'
 279   else
 280     with_glx = 'disabled'
 281   endif
 282 endif
 283 if with_glx == 'dri'
 284    if with_gallium
 285       with_dri = true
 286    endif
 287 endif
 288
 289 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 290   with_gles1 = false
 291   with_gles2 = false
 292   with_opengl = false
 293   with_any_opengl = false
 294   with_shared_glapi = false
 295 endif
 296
 297 _gbm = get_option('gbm')
 298 if _gbm == 'auto'
 299   with_gbm = system_has_kms_drm and with_dri
 300 else
 301   with_gbm = _gbm == 'true'
 302 endif
 303 if with_gbm and not system_has_kms_drm
 304   error('GBM only supports DRM/KMS platforms')
 305 endif
 306
 307 _egl = get_option('egl')
 308 if _egl == 'auto'
 309   with_egl = with_dri and with_shared_glapi and with_platforms
 310 elif _egl == 'true'
 311   if not with_dri
 312     error('EGL requires dri')
 313   elif not with_shared_glapi
 314     error('EGL requires shared-glapi')
 315   elif not with_platforms
 316     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 317   elif not ['disabled', 'dri'].contains(with_glx)
 318     error('EGL requires dri, but a GLX is being built without dri')
 319   endif
 320   with_egl = true
 321 else
 322   with_egl = false
 323 endif
 324
 325 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 326   if with_gallium_radeonsi
 327     error('RadeonSI requires drm or surfaceless platform when using EGL')
 328   endif
 329   if with_gallium_virgl
 330     error('Virgl requires drm or surfaceless platform when using EGL')
 331   endif
 332 endif
 333
 334 pre_args += '-DGLX_USE_TLS'
 335 if with_glx != 'disabled'
 336   if not (with_platform_x11 and with_any_opengl)
 337     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 338   elif with_glx == 'gallium-xlib'
 339     if not with_gallium
 340       error('Gallium-xlib based GLX requires at least one gallium driver')
 341     elif not with_gallium_softpipe
 342       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 343     elif with_dri
 344       error('gallium-xlib conflicts with any dri driver')
 345     endif
 346   elif with_glx == 'xlib'
 347     if with_dri
 348       error('xlib conflicts with any dri driver')
 349     endif
 350   elif with_glx == 'dri'
 351     if not with_dri
 352       error('dri based GLX requires at least one DRI driver')
 353     elif not with_shared_glapi
 354       error('dri based GLX requires shared-glapi')
 355     endif
 356   endif
 357 endif
 358
 359 with_glvnd = get_option('glvnd')
 360 if with_glvnd
 361   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 362     error('Cannot build glvnd support for GLX that is not DRI based.')
 363   elif with_glx == 'disabled' and not with_egl
 364     error('glvnd requires DRI based GLX and/or EGL')
 365   endif
 366 endif
 367
 368 # TODO: toggle for this
 369 with_glx_direct = true
 370
 371 if with_vulkan_icd_dir == ''
 372   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 373 endif
 374
 375 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 376 _dri3 = get_option('dri3')
 377 if _dri3 == 'auto'
 378   with_dri3 = system_has_kms_drm and with_dri2
 379 else
 380   with_dri3 = _dri3 == 'true'
 381 endif
 382
 383 if with_any_vk and (with_platform_x11 and not with_dri3)
 384   error('Vulkan drivers require dri3 for X11 support')
 385 endif
 386 if with_dri or with_gallium
 387   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 388     error('building dri or gallium drivers require at least one window system')
 389   endif
 390 endif
 391
 392 prog_pkgconfig = find_program('pkg-config')
 393
 394 _vdpau = get_option('gallium-vdpau')
 395 if not system_has_kms_drm
 396   if _vdpau == 'true'
 397     error('VDPAU state tracker can only be build on unix-like OSes.')
 398   else
 399     _vdpau = 'false'
 400   endif
 401 elif not with_platform_x11
 402   if _vdpau == 'true'
 403     error('VDPAU state tracker requires X11 support.')
 404   else
 405     _vdpau = 'false'
 406   endif
 407 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 408           with_gallium_nouveau)
 409   if _vdpau == 'true'
 410     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 411   else
 412     _vdpau = 'false'
 413   endif
 414 endif
 415 dep_vdpau = null_dep
 416 with_gallium_vdpau = false
 417 if _vdpau != 'false'
 418   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 419   if dep_vdpau.found()
 420     dep_vdpau = declare_dependency(
 421       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 422     )
 423     with_gallium_vdpau = true
 424   endif
 425 endif
 426
 427 if with_gallium_vdpau
 428   pre_args += '-DHAVE_ST_VDPAU'
 429 endif
 430 vdpau_drivers_path = get_option('vdpau-libs-path')
 431 if vdpau_drivers_path == ''
 432   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 433 endif
 434
 435 _xvmc = get_option('gallium-xvmc')
 436 if not system_has_kms_drm
 437   if _xvmc == 'true'
 438     error('XVMC state tracker can only be build on unix-like OSes.')
 439   else
 440     _xvmc = 'false'
 441   endif
 442 elif not with_platform_x11
 443   if _xvmc == 'true'
 444     error('XVMC state tracker requires X11 support.')
 445   else
 446     _xvmc = 'false'
 447   endif
 448 elif not (with_gallium_r600 or with_gallium_nouveau)
 449   if _xvmc == 'true'
 450     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 451   else
 452     _xvmc = 'false'
 453   endif
 454 endif
 455 dep_xvmc = null_dep
 456 with_gallium_xvmc = false
 457 if _xvmc != 'false'
 458   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 459   with_gallium_xvmc = dep_xvmc.found()
 460 endif
 461
 462 xvmc_drivers_path = get_option('xvmc-libs-path')
 463 if xvmc_drivers_path == ''
 464   xvmc_drivers_path = get_option('libdir')
 465 endif
 466
 467 _omx = get_option('gallium-omx')
 468 if not system_has_kms_drm
 469   if ['auto', 'disabled'].contains(_omx)
 470     _omx = 'disabled'
 471   else
 472     error('OMX state tracker can only be built on unix-like OSes.')
 473   endif
 474 elif not (with_platform_x11 or with_platform_drm)
 475   if ['auto', 'disabled'].contains(_omx)
 476     _omx = 'disabled'
 477   else
 478     error('OMX state tracker requires X11 or drm platform support.')
 479   endif
 480 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 481   if ['auto', 'disabled'].contains(_omx)
 482     _omx = 'disabled'
 483   else
 484     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 485   endif
 486 endif
 487 with_gallium_omx = _omx
 488 dep_omx = null_dep
 489 dep_omx_other = []
 490 if ['auto', 'bellagio'].contains(_omx)
 491   dep_omx = dependency(
 492     'libomxil-bellagio', required : _omx == 'bellagio'
 493   )
 494   if dep_omx.found()
 495     with_gallium_omx = 'bellagio'
 496   endif
 497 endif
 498 if ['auto', 'tizonia'].contains(_omx)
 499   if with_dri and with_egl
 500     dep_omx = dependency(
 501       'libtizonia', version : '>= 0.10.0',
 502       required : _omx == 'tizonia',
 503     )
 504     dep_omx_other = [
 505       dependency('libtizplatform', required : _omx == 'tizonia'),
 506       dependency('tizilheaders', required : _omx == 'tizonia'),
 507     ]
 508     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 509       with_gallium_omx = 'tizonia'
 510     endif
 511   elif _omx == 'tizonia'
 512     error('OMX-Tizonia state tracker requires dri and egl')
 513   endif
 514 endif
 515 if _omx == 'auto'
 516   with_gallium_omx = 'disabled'
 517 else
 518   with_gallium_omx = _omx
 519 endif
 520
 521 pre_args += [
 522   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 523   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 524 ]
 525
 526
 527 omx_drivers_path = get_option('omx-libs-path')
 528
 529 if with_gallium_omx != 'disabled'
 530   # Figure out where to put the omx driver.
 531   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 532   # argument to meson's get_pkgconfig_variable method.
 533   if omx_drivers_path == ''
 534     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 535     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 536     if _omx_libdir == get_option('libdir')
 537       omx_drivers_path = _omx_drivers_dir
 538     else
 539       _omx_base_dir = []
 540       # This will fail on windows. Does OMX run on windows?
 541       _omx_libdir = _omx_libdir.split('/')
 542       _omx_drivers_dir = _omx_drivers_dir.split('/')
 543       foreach o : _omx_drivers_dir
 544         if not _omx_libdir.contains(o)
 545           _omx_base_dir += o
 546         endif
 547       endforeach
 548       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 549     endif
 550   endif
 551 endif
 552
 553 _va = get_option('gallium-va')
 554 if not system_has_kms_drm
 555   if _va == 'true'
 556     error('VA state tracker can only be built on unix-like OSes.')
 557   else
 558     _va = 'false'
 559   endif
 560 elif not (with_platform_x11 or with_platform_drm)
 561   if _va == 'true'
 562     error('VA state tracker requires X11 or drm or wayland platform support.')
 563   else
 564     _va = 'false'
 565   endif
 566 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 567   if _va == 'true'
 568     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 569   else
 570     _va = 'false'
 571   endif
 572 endif
 573 with_gallium_va = false
 574 dep_va = null_dep
 575 if _va != 'false'
 576   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 577   if dep_va.found()
 578     dep_va_headers = declare_dependency(
 579       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 580     )
 581     with_gallium_va = true
 582   endif
 583 endif
 584
 585 va_drivers_path = get_option('va-libs-path')
 586 if va_drivers_path == ''
 587   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 588 endif
 589
 590 _xa = get_option('gallium-xa')
 591 if not system_has_kms_drm
 592   if _xa == 'true'
 593     error('XA state tracker can only be built on unix-like OSes.')
 594   else
 595     _xa = 'false'
 596   endif
 597 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 598           or with_gallium_svga)
 599   if _xa == 'true'
 600     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 601   else
 602     _xa = 'false'
 603   endif
 604 endif
 605 with_gallium_xa = _xa != 'false'
 606
 607 d3d_drivers_path = get_option('d3d-drivers-path')
 608 if d3d_drivers_path == ''
 609   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 610 endif
 611
 612 with_gallium_st_nine =  get_option('gallium-nine')
 613 if with_gallium_st_nine
 614   if not with_gallium_softpipe
 615     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 616   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 617             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 618     error('The nine state tracker requires at least on non-swrast gallium driver.')
 619   endif
 620   if not with_dri3
 621     error('Using nine with wine requires dri3')
 622   endif
 623 endif
 624
 625 if get_option('power8') != 'false'
 626   if host_machine.cpu_family() == 'ppc64le'
 627     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 628       error('Altivec is not supported with gcc version < 4.8.')
 629     endif
 630     if cc.compiles('''
 631         #include <altivec.h>
 632         int main() {
 633           vector unsigned char r;
 634           vector unsigned int v = vec_splat_u32 (1);
 635           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 636           return 0;
 637         }''',
 638         args : '-mpower8-vector',
 639         name : 'POWER8 intrinsics')
 640       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 641     elif get_option('power8') == 'true'
 642       error('POWER8 intrinsic support required but not found.')
 643     endif
 644   endif
 645 endif
 646
 647 _opencl = get_option('gallium-opencl')
 648 if _opencl != 'disabled'
 649   if not with_gallium
 650     error('OpenCL Clover implementation requires at least one gallium driver.')
 651   endif
 652
 653   dep_clc = dependency('libclc')
 654   with_gallium_opencl = true
 655   with_opencl_icd = _opencl == 'icd'
 656 else
 657   dep_clc = null_dep
 658   with_gallium_opencl = false
 659   with_gallium_icd = false
 660 endif
 661
 662 gl_pkgconfig_c_flags = []
 663 if with_platform_x11
 664   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 665     pre_args += '-DHAVE_X11_PLATFORM'
 666   endif
 667   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 668     pre_args += '-DUSE_XSHM'
 669   else
 670     pre_args += '-DGLX_INDIRECT_RENDERING'
 671     if with_glx_direct
 672       pre_args += '-DGLX_DIRECT_RENDERING'
 673     endif
 674     if with_dri_platform == 'drm'
 675       pre_args += '-DGLX_USE_DRM'
 676     elif with_dri_platform == 'apple'
 677       pre_args += '-DGLX_USE_APPLEGL'
 678     elif with_dri_platform == 'windows'
 679       pre_args += '-DGLX_USE_WINDOWSGL'
 680     endif
 681   endif
 682 else
 683   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 684   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 685 endif
 686 if with_platform_drm
 687   if with_egl and not with_gbm
 688     error('EGL drm platform requires gbm')
 689   endif
 690   pre_args += '-DHAVE_DRM_PLATFORM'
 691 endif
 692 if with_platform_surfaceless
 693   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 694 endif
 695 if with_platform_android
 696   dep_android = [
 697     dependency('cutils'),
 698     dependency('hardware'),
 699     dependency('sync'),
 700   ]
 701   pre_args += '-DHAVE_ANDROID_PLATFORM'
 702 endif
 703 if with_platform_haiku
 704   pre_args += '-DHAVE_HAIKU_PLATFORM'
 705 endif
 706
 707 prog_python = import('python3').find_python()
 708 has_mako = run_command(
 709   prog_python, '-c',
 710   '''
 711 from distutils.version import StrictVersion
 712 import mako
 713 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 714   ''')
 715 if has_mako.returncode() != 0
 716   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 717 endif
 718
 719 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 720   error('When using GCC, version 4.4.6 or later is required.')
 721 endif
 722
 723 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 724 if get_option('buildtype') == 'debug'
 725   pre_args += '-DDEBUG'
 726 endif
 727
 728 if get_option('shader-cache')
 729   pre_args += '-DENABLE_SHADER_CACHE'
 730 elif with_amd_vk
 731   error('Radv requires shader cache support')
 732 endif
 733
 734 # Check for GCC style builtins
 735 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 736              'ffsll', 'popcount', 'popcountll', 'unreachable']
 737   if cc.has_function(b)
 738     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 739   endif
 740 endforeach
 741
 742 # check for GCC __attribute__
 743 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 744              'warn_unused_result', 'weak',]
 745   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 746                  name : '__attribute__((@0@))'.format(a))
 747     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 748   endif
 749 endforeach
 750 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 751                name : '__attribute__((format(...)))')
 752   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 753 endif
 754 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 755                name : '__attribute__((packed))')
 756   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 757 endif
 758 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 759                name : '__attribute__((returns_nonnull))')
 760   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 761 endif
 762 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 763                   int foo_hid(void) __attribute__((visibility("hidden")));
 764                   int foo_int(void) __attribute__((visibility("internal")));
 765                   int foo_pro(void) __attribute__((visibility("protected")));''',
 766                name : '__attribute__((visibility(...)))')
 767   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 768 endif
 769 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 770                name : '__attribute__((alias(...)))')
 771   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 772 endif
 773 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 774                name : '__attribute__((__noreturn__))')
 775   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 776 endif
 777
 778 # TODO: this is very incomplete
 779 if ['linux', 'cygwin'].contains(host_machine.system())
 780   pre_args += '-D_GNU_SOURCE'
 781 endif
 782
 783 # Check for generic C arguments
 784 c_args = []
 785 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 786              '-Werror=missing-prototypes', '-fno-math-errno',
 787              '-fno-trapping-math', '-Qunused-arguments']
 788   if cc.has_argument(a)
 789     c_args += a
 790   endif
 791 endforeach
 792
 793 foreach a : ['missing-field-initializers']
 794   if cc.has_argument('-W' + a)
 795     c_args += '-Wno-' + a
 796   endif
 797 endforeach
 798
 799 c_vis_args = []
 800 if cc.has_argument('-fvisibility=hidden')
 801   c_vis_args += '-fvisibility=hidden'
 802 endif
 803
 804 # Check for generic C++ arguments
 805 cpp_args = []
 806 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 807              '-Qunused-arguments']
 808   if cpp.has_argument(a)
 809     cpp_args += a
 810   endif
 811 endforeach
 812
 813 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 814 # option is not supported. Hence, check for -Wfoo instead.
 815
 816 foreach a : ['non-virtual-dtor', 'missing-field-initializers']
 817   if cpp.has_argument('-W' + a)
 818     cpp_args += '-Wno-' + a
 819   endif
 820 endforeach
 821
 822 no_override_init_args = []
 823 foreach a : ['override-init', 'initializer-overrides']
 824   if cc.has_argument('-W' + a)
 825     no_override_init_args += '-Wno-' + a
 826   endif
 827 endforeach
 828
 829 cpp_vis_args = []
 830 if cpp.has_argument('-fvisibility=hidden')
 831   cpp_vis_args += '-fvisibility=hidden'
 832 endif
 833
 834 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 835 # in parts of the mesa code base that need to compile with old versions of
 836 # MSVC, mainly common code
 837 c_msvc_compat_args = []
 838 cpp_msvc_compat_args = []
 839 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 840   if cc.has_argument(a)
 841     c_msvc_compat_args += a
 842   endif
 843   if cpp.has_argument(a)
 844     cpp_msvc_compat_args += a
 845   endif
 846 endforeach
 847
 848 if host_machine.cpu_family().startswith('x86')
 849   pre_args += '-DUSE_SSE41'
 850   with_sse41 = true
 851   sse41_args = ['-msse4.1']
 852
 853   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 854   # that's not guaranteed
 855   if host_machine.cpu_family() == 'x86'
 856     sse41_args += '-mstackrealign'
 857   endif
 858 else
 859   with_sse41 = false
 860   sse41_args = []
 861 endif
 862
 863 # Check for GCC style atomics
 864 dep_atomic = null_dep
 865
 866 if cc.compiles('''#include <stdint.h>
 867                   int main() {
 868                     struct {
 869                       uint64_t *v;
 870                     } x;
 871                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 872                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 873
 874                   }''',
 875                name : 'GCC atomic builtins')
 876   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 877
 878   # Not all atomic calls can be turned into lock-free instructions, in which
 879   # GCC will make calls into the libatomic library. Check whether we need to
 880   # link with -latomic.
 881   #
 882   # This can happen for 64-bit atomic operations on 32-bit architectures such
 883   # as ARM.
 884   if not cc.links('''#include <stdint.h>
 885                      int main() {
 886                        struct {
 887                          uint64_t *v;
 888                        } x;
 889                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 890                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 891                      }''',
 892                   name : 'GCC atomic builtins required -latomic')
 893     dep_atomic = cc.find_library('atomic')
 894   endif
 895 endif
 896 if not cc.links('''#include <stdint.h>
 897                    uint64_t v;
 898                    int main() {
 899                      return __sync_add_and_fetch(&v, (uint64_t)1);
 900                    }''',
 901                 name : 'GCC 64bit atomics')
 902   pre_args += '-DMISSING_64_BIT_ATOMICS'
 903 endif
 904
 905 # TODO: shared/static? Is this even worth doing?
 906
 907 # When cross compiling we generally need to turn off the use of assembly,
 908 # because mesa's assembly relies on building an executable for the host system,
 909 # and running it to get information about struct sizes. There is at least one
 910 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 911 # host OS == build OS, since in that case the build machine can run the host's
 912 # binaries.
 913 if meson.is_cross_build()
 914   if build_machine.system() != host_machine.system()
 915     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 916     message('Cross compiling from one OS to another, disabling assembly.')
 917     with_asm = false
 918   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 919     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 920     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 921     # case.
 922     # TODO: There may be other cases where the 64 bit version of the
 923     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 924     message('''
 925       Cross compiling to different architectures, and the host cannot run
 926       the build machine's binaries. Disabling assembly.
 927     ''')
 928     with_asm = false
 929   endif
 930 endif
 931
 932 with_asm_arch = ''
 933 if with_asm
 934   if host_machine.cpu_family() == 'x86'
 935     if system_has_kms_drm
 936       with_asm_arch = 'x86'
 937       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 938                    '-DUSE_SSE_ASM']
 939
 940       if with_glx_read_only_text
 941          pre_args += ['-DGLX_X86_READONLY_TEXT']
 942       endif
 943     endif
 944   elif host_machine.cpu_family() == 'x86_64'
 945     if system_has_kms_drm
 946       with_asm_arch = 'x86_64'
 947       pre_args += ['-DUSE_X86_64_ASM']
 948     endif
 949   elif host_machine.cpu_family() == 'arm'
 950     if system_has_kms_drm
 951       with_asm_arch = 'arm'
 952       pre_args += ['-DUSE_ARM_ASM']
 953     endif
 954   elif host_machine.cpu_family() == 'aarch64'
 955     if system_has_kms_drm
 956       with_asm_arch = 'aarch64'
 957       pre_args += ['-DUSE_AARCH64_ASM']
 958     endif
 959   elif host_machine.cpu_family() == 'sparc64'
 960     if system_has_kms_drm
 961       with_asm_arch = 'sparc'
 962       pre_args += ['-DUSE_SPARC_ASM']
 963     endif
 964   elif host_machine.cpu_family() == 'ppc64le'
 965     if system_has_kms_drm
 966       with_asm_arch = 'ppc64le'
 967       pre_args += ['-DUSE_PPC64LE_ASM']
 968     endif
 969   endif
 970 endif
 971
 972 # Check for standard headers and functions
 973 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 974   pre_args += '-DMAJOR_IN_SYSMACROS'
 975 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 976   pre_args += '-DMAJOR_IN_MKDEV'
 977 endif
 978
 979 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
 980   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 981     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 982   endif
 983 endforeach
 984
 985 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 986   if cc.has_function(f)
 987     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 988   endif
 989 endforeach
 990
 991 # strtod locale support
 992 if cc.links('''
 993     #define _GNU_SOURCE
 994     #include <stdlib.h>
 995     #include <locale.h>
 996     #ifdef HAVE_XLOCALE_H
 997     #include <xlocale.h>
 998     #endif
 999     int main() {
1000       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1001       const char *s = "1.0";
1002       char *end;
1003       double d = strtod_l(s, end, loc);
1004       float f = strtof_l(s, end, loc);
1005       freelocale(loc);
1006       return 0;
1007     }''',
1008     args : pre_args,
1009     name : 'strtod has locale support')
1010   pre_args += '-DHAVE_STRTOD_L'
1011 endif
1012
1013 # Check for some linker flags
1014 ld_args_bsymbolic = []
1015 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1016   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1017 endif
1018 ld_args_gc_sections = []
1019 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1020             args : '-Wl,--gc-sections', name : 'gc-sections')
1021   ld_args_gc_sections += '-Wl,--gc-sections'
1022 endif
1023 with_ld_version_script = false
1024 if cc.links('int main() { return 0; }',
1025             args : '-Wl,--version-script=@0@'.format(
1026               join_paths(meson.source_root(), 'build-support/conftest.map')),
1027             name : 'version-script')
1028   with_ld_version_script = true
1029 endif
1030 with_ld_dynamic_list = false
1031 if cc.links('int main() { return 0; }',
1032             args : '-Wl,--dynamic-list=@0@'.format(
1033               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1034             name : 'dynamic-list')
1035   with_ld_dynamic_list = true
1036 endif
1037 ld_args_build_id = []
1038 if build_machine.system() != 'darwin'
1039    ld_args_build_id += '-Wl,--build-id=sha1'
1040 endif
1041
1042 # check for dl support
1043 if cc.has_function('dlopen')
1044   dep_dl = null_dep
1045 else
1046   dep_dl = cc.find_library('dl')
1047 endif
1048 if cc.has_function('dladdr', dependencies : dep_dl)
1049   # This is really only required for megadrivers
1050   pre_args += '-DHAVE_DLADDR'
1051 endif
1052
1053 if cc.has_function('dl_iterate_phdr')
1054   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1055 elif with_intel_vk
1056   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1057 elif with_dri_i965 and get_option('shader-cache')
1058   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1059 endif
1060
1061 # Determine whether or not the rt library is needed for time functions
1062 if cc.has_function('clock_gettime')
1063   dep_clock = null_dep
1064 else
1065   dep_clock = cc.find_library('rt')
1066 endif
1067
1068 # TODO: some of these may be conditional
1069 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1070 pre_args += '-DHAVE_ZLIB'
1071 dep_thread = dependency('threads')
1072 if dep_thread.found() and host_machine.system() != 'windows'
1073   pre_args += '-DHAVE_PTHREAD'
1074   if cc.has_function(
1075       'pthread_setaffinity_np',
1076       dependencies : dep_thread,
1077       prefix : '#include <pthread.h>',
1078       args : '-D_GNU_SOURCE')
1079     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1080   endif
1081 endif
1082 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1083   dep_elf = dependency('libelf', required : false)
1084   if not dep_elf.found()
1085     dep_elf = cc.find_library('elf')
1086   endif
1087 else
1088   dep_elf = null_dep
1089 endif
1090 dep_expat = dependency('expat')
1091 # this only exists on linux so either this is linux and it will be found, or
1092 # its not linux and and wont
1093 dep_m = cc.find_library('m', required : false)
1094
1095 # Check for libdrm. various drivers have different libdrm version requirements,
1096 # but we always want to use the same version for all libdrm modules. That means
1097 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1098 # bar are both on use 2.4.3 for both of them
1099 dep_libdrm_amdgpu = null_dep
1100 dep_libdrm_radeon = null_dep
1101 dep_libdrm_nouveau = null_dep
1102 dep_libdrm_etnaviv = null_dep
1103 dep_libdrm_freedreno = null_dep
1104 dep_libdrm_intel = null_dep
1105
1106 _drm_amdgpu_ver = '2.4.93'
1107 _drm_radeon_ver = '2.4.71'
1108 _drm_nouveau_ver = '2.4.66'
1109 _drm_etnaviv_ver = '2.4.89'
1110 _drm_freedreno_ver = '2.4.93'
1111 _drm_intel_ver = '2.4.75'
1112 _drm_ver = '2.4.75'
1113
1114 _libdrm_checks = [
1115   ['intel', with_dri_i915 or with_gallium_i915],
1116   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1117   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1118               with_gallium_r300 or with_gallium_r600)],
1119   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1120   ['etnaviv', with_gallium_etnaviv],
1121   ['freedreno', with_gallium_freedreno],
1122 ]
1123
1124 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1125 # library.
1126 if with_gallium_vc4
1127   _drm_ver = '2.4.89'
1128 endif
1129
1130 # Loop over the enables versions and get the highest libdrm requirement for all
1131 # active drivers.
1132 _drm_blame = ''
1133 foreach d : _libdrm_checks
1134   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1135   if d[1] and ver.version_compare('>' + _drm_ver)
1136     _drm_ver = ver
1137     _drm_blame = d[0]
1138   endif
1139 endforeach
1140 if _drm_blame != ''
1141   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1142 endif
1143
1144 # Then get each libdrm module
1145 foreach d : _libdrm_checks
1146   if d[1]
1147     set_variable(
1148       'dep_libdrm_' + d[0],
1149       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1150     )
1151   endif
1152 endforeach
1153
1154 with_gallium_drisw_kms = false
1155 dep_libdrm = dependency(
1156   'libdrm', version : '>=' + _drm_ver,
1157   required : with_dri2 or with_dri3
1158 )
1159 if dep_libdrm.found()
1160   pre_args += '-DHAVE_LIBDRM'
1161   if with_dri_platform == 'drm' and with_dri
1162     with_gallium_drisw_kms = true
1163   endif
1164 endif
1165
1166 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1167 llvm_optional_modules = []
1168 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1169   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1170   if with_gallium_r600
1171     llvm_modules += 'asmparser'
1172   endif
1173 endif
1174 if with_gallium_opencl
1175   llvm_modules += [
1176     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1177     'lto', 'option', 'objcarcopts', 'profiledata',
1178   ]
1179   llvm_optional_modules += ['coroutines', 'opencl']
1180 endif
1181
1182 if with_amd_vk or with_gallium_radeonsi
1183   _llvm_version = '>= 6.0.0'
1184 elif with_gallium_swr
1185   _llvm_version = '>= 6.0.0'
1186 elif with_gallium_opencl or with_gallium_r600
1187   _llvm_version = '>= 3.9.0'
1188 else
1189   _llvm_version = '>= 3.3.0'
1190 endif
1191
1192 _shared_llvm = get_option('shared-llvm')
1193
1194 _llvm = get_option('llvm')
1195 dep_llvm = null_dep
1196 with_llvm = false
1197 if _llvm != 'false'
1198   dep_llvm = dependency(
1199     'llvm',
1200     version : _llvm_version,
1201     modules : llvm_modules,
1202     optional_modules : llvm_optional_modules,
1203     required : (
1204       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1205       with_gallium_opencl or _llvm == 'true'
1206     ),
1207     static : not _shared_llvm,
1208   )
1209   with_llvm = dep_llvm.found()
1210 endif
1211 if with_llvm
1212   _llvm_version = dep_llvm.version().split('.')
1213
1214   # 3 digits versions in LLVM only started from 3.4.1 on
1215   if dep_llvm.version().version_compare('>= 3.4.1')
1216     _llvm_patch = _llvm_version[2]
1217   else
1218     _llvm_patch = '0'
1219   endif
1220
1221   pre_args += [
1222     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1223     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1224   ]
1225
1226   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1227   # programs, so we need to build all C++ code in mesa without rtti as well to
1228   # ensure that linking works.
1229   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1230     cpp_args += '-fno-rtti'
1231   endif
1232 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1233   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1234 endif
1235
1236 dep_glvnd = null_dep
1237 if with_glvnd
1238   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1239   pre_args += '-DUSE_LIBGLVND=1'
1240 endif
1241
1242 if with_valgrind != 'false'
1243   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1244   if dep_valgrind.found()
1245     pre_args += '-DHAVE_VALGRIND'
1246   endif
1247 else
1248   dep_valgrind = null_dep
1249 endif
1250
1251 # pthread stubs. Lets not and say we didn't
1252
1253 prog_bison = find_program('bison', required : with_any_opengl)
1254 prog_flex = find_program('flex', required : with_any_opengl)
1255
1256 dep_selinux = null_dep
1257 if get_option('selinux')
1258   dep_selinux = dependency('libselinux')
1259   pre_args += '-DMESA_SELINUX'
1260 endif
1261
1262 if with_libunwind != 'false'
1263   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1264   if dep_unwind.found()
1265     pre_args += '-DHAVE_LIBUNWIND'
1266   endif
1267 else
1268   dep_unwind = null_dep
1269 endif
1270
1271 if with_osmesa != 'none'
1272   if with_osmesa == 'classic' and not with_dri_swrast
1273     error('OSMesa classic requires dri (classic) swrast.')
1274   endif
1275   if with_osmesa == 'gallium' and not with_gallium_softpipe
1276     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1277   endif
1278   osmesa_lib_name = 'OSMesa'
1279   osmesa_bits = get_option('osmesa-bits')
1280   if osmesa_bits != '8'
1281     if with_dri or with_glx != 'disabled'
1282       error('OSMesa bits must be 8 if building glx or dir based drivers')
1283     endif
1284     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1285     pre_args += [
1286       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1287     ]
1288   endif
1289 endif
1290
1291 # TODO: symbol mangling
1292
1293 if with_platform_wayland
1294   dep_wl_scanner = dependency('wayland-scanner', native: true)
1295   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1296   if dep_wl_scanner.version().version_compare('>= 1.15')
1297     wl_scanner_arg = 'private-code'
1298   else
1299     wl_scanner_arg = 'code'
1300   endif
1301   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1302   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1303   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1304   if with_egl
1305     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1306     dep_wayland_egl_headers = declare_dependency(
1307       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1308   endif
1309   wayland_dmabuf_xml = join_paths(
1310     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1311     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1312   )
1313   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1314 else
1315   prog_wl_scanner = []
1316   wl_scanner_arg = ''
1317   dep_wl_protocols = null_dep
1318   dep_wayland_client = null_dep
1319   dep_wayland_server = null_dep
1320   wayland_dmabuf_xml = ''
1321 endif
1322
1323 dep_x11 = null_dep
1324 dep_xext = null_dep
1325 dep_xdamage = null_dep
1326 dep_xfixes = null_dep
1327 dep_x11_xcb = null_dep
1328 dep_xcb = null_dep
1329 dep_xcb_glx = null_dep
1330 dep_xcb_dri2 = null_dep
1331 dep_xcb_dri3 = null_dep
1332 dep_dri2proto = null_dep
1333 dep_glproto = null_dep
1334 dep_xxf86vm = null_dep
1335 dep_xcb_dri3 = null_dep
1336 dep_xcb_present = null_dep
1337 dep_xcb_sync = null_dep
1338 dep_xcb_xfixes = null_dep
1339 dep_xshmfence = null_dep
1340 dep_xcb_xrandr = null_dep
1341 dep_xlib_xrandr = null_dep
1342 if with_platform_x11
1343   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1344     dep_x11 = dependency('x11')
1345     dep_xext = dependency('xext')
1346     dep_xcb = dependency('xcb')
1347   elif with_glx == 'dri'
1348     dep_x11 = dependency('x11')
1349     dep_xext = dependency('xext')
1350     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1351     dep_xfixes = dependency('xfixes')
1352     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1353     dep_xxf86vm = dependency('xxf86vm', required : false)
1354   endif
1355   if (with_any_vk or with_glx == 'dri' or
1356        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1357         with_gallium_omx != 'disabled'))
1358     dep_xcb = dependency('xcb')
1359     dep_x11_xcb = dependency('x11-xcb')
1360   endif
1361   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1362     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1363
1364     if with_dri3
1365       pre_args += '-DHAVE_DRI3'
1366       dep_xcb_dri3 = dependency('xcb-dri3')
1367       dep_xcb_present = dependency('xcb-present')
1368       # until xcb-dri3 has been around long enough to make a hard-dependency:
1369       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1370           dep_xcb_present.version().version_compare('>= 1.13'))
1371         pre_args += '-DHAVE_DRI3_MODIFIERS'
1372       endif
1373       dep_xcb_sync = dependency('xcb-sync')
1374       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1375     endif
1376   endif
1377   if with_glx == 'dri'
1378     if with_dri_platform == 'drm'
1379       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1380     endif
1381     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1382   endif
1383   if (with_egl or (
1384       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1385       with_gallium_omx != 'disabled'))
1386     dep_xcb_xfixes = dependency('xcb-xfixes')
1387   endif
1388   if with_xlib_lease
1389     dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1390     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1391   endif
1392 endif
1393
1394 if get_option('gallium-extra-hud')
1395   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1396 endif
1397
1398 _sensors = get_option('lmsensors')
1399 if _sensors != 'false'
1400   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1401   if dep_lmsensors.found()
1402     pre_args += '-DHAVE_LIBSENSORS=1'
1403   endif
1404 else
1405   dep_lmsensors = null_dep
1406 endif
1407
1408 foreach a : pre_args
1409   add_project_arguments(a, language : ['c', 'cpp'])
1410 endforeach
1411 foreach a : c_args
1412   add_project_arguments(a, language : ['c'])
1413 endforeach
1414 foreach a : cpp_args
1415   add_project_arguments(a, language : ['cpp'])
1416 endforeach
1417
1418 inc_include = include_directories('include')
1419
1420 gl_priv_reqs = []
1421
1422 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1423   gl_priv_reqs += ['x11', 'xext', 'xcb']
1424 elif with_glx == 'dri'
1425   gl_priv_reqs += [
1426     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1427     'xcb-glx >= 1.8.1']
1428   if with_dri_platform == 'drm'
1429     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1430   endif
1431 endif
1432 if dep_libdrm.found()
1433   gl_priv_reqs += 'libdrm >= 2.4.75'
1434 endif
1435 if dep_xxf86vm.found()
1436   gl_priv_reqs += 'xxf86vm'
1437 endif
1438
1439 gl_priv_libs = []
1440 if dep_thread.found()
1441   gl_priv_libs += ['-lpthread', '-pthread']
1442 endif
1443 if dep_m.found()
1444   gl_priv_libs += '-lm'
1445 endif
1446 if dep_dl.found()
1447   gl_priv_libs += '-ldl'
1448 endif
1449
1450 pkg = import('pkgconfig')
1451
1452 env_test = environment()
1453 env_test.set('NM', find_program('nm').path())
1454
1455 subdir('include')
1456 subdir('bin')
1457 subdir('src')