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 elif _va == 'auto'
 573   _va = 'true'
 574 endif
 575 with_gallium_va = false
 576 dep_va = null_dep
 577 if _va != 'false'
 578   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 579   if dep_va.found()
 580     dep_va_headers = declare_dependency(
 581       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 582     )
 583     with_gallium_va = true
 584   endif
 585 endif
 586
 587 va_drivers_path = get_option('va-libs-path')
 588 if va_drivers_path == ''
 589   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 590 endif
 591
 592 _xa = get_option('gallium-xa')
 593 if not system_has_kms_drm
 594   if _xa == 'true'
 595     error('XA state tracker can only be built on unix-like OSes.')
 596   else
 597     _xa = 'false'
 598   endif
 599 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 600           or with_gallium_svga)
 601   if _xa == 'true'
 602     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 603   else
 604     _xa = 'false'
 605   endif
 606 endif
 607 with_gallium_xa = _xa != 'false'
 608
 609 d3d_drivers_path = get_option('d3d-drivers-path')
 610 if d3d_drivers_path == ''
 611   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 612 endif
 613
 614 with_gallium_st_nine =  get_option('gallium-nine')
 615 if with_gallium_st_nine
 616   if not with_gallium_softpipe
 617     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 618   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 619             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 620     error('The nine state tracker requires at least on non-swrast gallium driver.')
 621   endif
 622   if not with_dri3
 623     error('Using nine with wine requires dri3')
 624   endif
 625 endif
 626
 627 if get_option('power8') != 'false'
 628   if host_machine.cpu_family() == 'ppc64le'
 629     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 630       error('Altivec is not supported with gcc version < 4.8.')
 631     endif
 632     if cc.compiles('''
 633         #include <altivec.h>
 634         int main() {
 635           vector unsigned char r;
 636           vector unsigned int v = vec_splat_u32 (1);
 637           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 638           return 0;
 639         }''',
 640         args : '-mpower8-vector',
 641         name : 'POWER8 intrinsics')
 642       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 643     elif get_option('power8') == 'true'
 644       error('POWER8 intrinsic support required but not found.')
 645     endif
 646   endif
 647 endif
 648
 649 _opencl = get_option('gallium-opencl')
 650 if _opencl != 'disabled'
 651   if not with_gallium
 652     error('OpenCL Clover implementation requires at least one gallium driver.')
 653   endif
 654
 655   dep_clc = dependency('libclc')
 656   with_gallium_opencl = true
 657   with_opencl_icd = _opencl == 'icd'
 658 else
 659   dep_clc = null_dep
 660   with_gallium_opencl = false
 661   with_gallium_icd = false
 662 endif
 663
 664 gl_pkgconfig_c_flags = []
 665 if with_platform_x11
 666   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 667     pre_args += '-DHAVE_X11_PLATFORM'
 668   endif
 669   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 670     pre_args += '-DUSE_XSHM'
 671   else
 672     pre_args += '-DGLX_INDIRECT_RENDERING'
 673     if with_glx_direct
 674       pre_args += '-DGLX_DIRECT_RENDERING'
 675     endif
 676     if with_dri_platform == 'drm'
 677       pre_args += '-DGLX_USE_DRM'
 678     elif with_dri_platform == 'apple'
 679       pre_args += '-DGLX_USE_APPLEGL'
 680     elif with_dri_platform == 'windows'
 681       pre_args += '-DGLX_USE_WINDOWSGL'
 682     endif
 683   endif
 684 else
 685   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 686   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 687 endif
 688 if with_platform_drm
 689   if with_egl and not with_gbm
 690     error('EGL drm platform requires gbm')
 691   endif
 692   pre_args += '-DHAVE_DRM_PLATFORM'
 693 endif
 694 if with_platform_surfaceless
 695   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 696 endif
 697 if with_platform_android
 698   dep_android = [
 699     dependency('cutils'),
 700     dependency('hardware'),
 701     dependency('sync'),
 702   ]
 703   pre_args += '-DHAVE_ANDROID_PLATFORM'
 704 endif
 705 if with_platform_haiku
 706   pre_args += '-DHAVE_HAIKU_PLATFORM'
 707 endif
 708
 709 prog_python = import('python3').find_python()
 710 has_mako = run_command(
 711   prog_python, '-c',
 712   '''
 713 from distutils.version import StrictVersion
 714 import mako
 715 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 716   ''')
 717 if has_mako.returncode() != 0
 718   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 719 endif
 720
 721 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 722   error('When using GCC, version 4.4.6 or later is required.')
 723 endif
 724
 725 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 726 if get_option('buildtype') == 'debug'
 727   pre_args += '-DDEBUG'
 728 endif
 729
 730 if get_option('shader-cache')
 731   pre_args += '-DENABLE_SHADER_CACHE'
 732 elif with_amd_vk
 733   error('Radv requires shader cache support')
 734 endif
 735
 736 # Check for GCC style builtins
 737 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 738              'ffsll', 'popcount', 'popcountll', 'unreachable']
 739   if cc.has_function(b)
 740     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 741   endif
 742 endforeach
 743
 744 # check for GCC __attribute__
 745 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 746              'warn_unused_result', 'weak',]
 747   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 748                  name : '__attribute__((@0@))'.format(a))
 749     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 750   endif
 751 endforeach
 752 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 753                name : '__attribute__((format(...)))')
 754   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 755 endif
 756 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 757                name : '__attribute__((packed))')
 758   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 759 endif
 760 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 761                name : '__attribute__((returns_nonnull))')
 762   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 763 endif
 764 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 765                   int foo_hid(void) __attribute__((visibility("hidden")));
 766                   int foo_int(void) __attribute__((visibility("internal")));
 767                   int foo_pro(void) __attribute__((visibility("protected")));''',
 768                name : '__attribute__((visibility(...)))')
 769   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 770 endif
 771 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 772                name : '__attribute__((alias(...)))')
 773   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 774 endif
 775 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 776                name : '__attribute__((__noreturn__))')
 777   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 778 endif
 779
 780 # TODO: this is very incomplete
 781 if ['linux', 'cygwin'].contains(host_machine.system())
 782   pre_args += '-D_GNU_SOURCE'
 783 endif
 784
 785 # Check for generic C arguments
 786 c_args = []
 787 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 788              '-Werror=missing-prototypes', '-fno-math-errno',
 789              '-fno-trapping-math', '-Qunused-arguments']
 790   if cc.has_argument(a)
 791     c_args += a
 792   endif
 793 endforeach
 794 if cc.has_argument('-Wmissing-field-initializers')
 795   c_args += '-Wno-missing-field-initializers'
 796 endif
 797
 798 c_vis_args = []
 799 if cc.has_argument('-fvisibility=hidden')
 800   c_vis_args += '-fvisibility=hidden'
 801 endif
 802
 803 # Check for generic C++ arguments
 804 cpp_args = []
 805 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 806              '-Qunused-arguments']
 807   if cpp.has_argument(a)
 808     cpp_args += a
 809   endif
 810 endforeach
 811
 812 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 813 # option is not supported. Hence, check for -Wfoo instead.
 814
 815 foreach a : ['non-virtual-dtor', 'missing-field-initializers']
 816   if cpp.has_argument('-W' + a)
 817     cpp_args += '-Wno-' + a
 818   endif
 819 endforeach
 820
 821 no_override_init_args = []
 822 foreach a : ['override-init', 'initializer-overrides']
 823   if cc.has_argument('-W' + a)
 824     no_override_init_args += '-Wno-' + a
 825   endif
 826 endforeach
 827
 828 cpp_vis_args = []
 829 if cpp.has_argument('-fvisibility=hidden')
 830   cpp_vis_args += '-fvisibility=hidden'
 831 endif
 832
 833 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 834 # in parts of the mesa code base that need to compile with old versions of
 835 # MSVC, mainly common code
 836 c_msvc_compat_args = []
 837 cpp_msvc_compat_args = []
 838 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 839   if cc.has_argument(a)
 840     c_msvc_compat_args += a
 841   endif
 842   if cpp.has_argument(a)
 843     cpp_msvc_compat_args += a
 844   endif
 845 endforeach
 846
 847 if host_machine.cpu_family().startswith('x86')
 848   pre_args += '-DUSE_SSE41'
 849   with_sse41 = true
 850   sse41_args = ['-msse4.1']
 851
 852   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 853   # that's not guaranteed
 854   if host_machine.cpu_family() == 'x86'
 855     sse41_args += '-mstackrealign'
 856   endif
 857 else
 858   with_sse41 = false
 859   sse41_args = []
 860 endif
 861
 862 # Check for GCC style atomics
 863 dep_atomic = null_dep
 864
 865 if cc.compiles('''#include <stdint.h>
 866                   int main() {
 867                     struct {
 868                       uint64_t *v;
 869                     } x;
 870                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 871                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 872
 873                   }''',
 874                name : 'GCC atomic builtins')
 875   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 876
 877   # Not all atomic calls can be turned into lock-free instructions, in which
 878   # GCC will make calls into the libatomic library. Check whether we need to
 879   # link with -latomic.
 880   #
 881   # This can happen for 64-bit atomic operations on 32-bit architectures such
 882   # as ARM.
 883   if not cc.links('''#include <stdint.h>
 884                      int main() {
 885                        struct {
 886                          uint64_t *v;
 887                        } x;
 888                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 889                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 890                      }''',
 891                   name : 'GCC atomic builtins required -latomic')
 892     dep_atomic = cc.find_library('atomic')
 893   endif
 894 endif
 895 if not cc.links('''#include <stdint.h>
 896                    uint64_t v;
 897                    int main() {
 898                      return __sync_add_and_fetch(&v, (uint64_t)1);
 899                    }''',
 900                 name : 'GCC 64bit atomics')
 901   pre_args += '-DMISSING_64_BIT_ATOMICS'
 902 endif
 903
 904 # TODO: shared/static? Is this even worth doing?
 905
 906 # When cross compiling we generally need to turn off the use of assembly,
 907 # because mesa's assembly relies on building an executable for the host system,
 908 # and running it to get information about struct sizes. There is at least one
 909 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 910 # host OS == build OS, since in that case the build machine can run the host's
 911 # binaries.
 912 if meson.is_cross_build()
 913   if build_machine.system() != host_machine.system()
 914     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 915     message('Cross compiling from one OS to another, disabling assembly.')
 916     with_asm = false
 917   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 918     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 919     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 920     # case.
 921     # TODO: There may be other cases where the 64 bit version of the
 922     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 923     message('''
 924       Cross compiling to different architectures, and the host cannot run
 925       the build machine's binaries. Disabling assembly.
 926     ''')
 927     with_asm = false
 928   endif
 929 endif
 930
 931 with_asm_arch = ''
 932 if with_asm
 933   if host_machine.cpu_family() == 'x86'
 934     if system_has_kms_drm
 935       with_asm_arch = 'x86'
 936       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 937                    '-DUSE_SSE_ASM']
 938
 939       if with_glx_read_only_text
 940          pre_args += ['-DGLX_X86_READONLY_TEXT']
 941       endif
 942     endif
 943   elif host_machine.cpu_family() == 'x86_64'
 944     if system_has_kms_drm
 945       with_asm_arch = 'x86_64'
 946       pre_args += ['-DUSE_X86_64_ASM']
 947     endif
 948   elif host_machine.cpu_family() == 'arm'
 949     if system_has_kms_drm
 950       with_asm_arch = 'arm'
 951       pre_args += ['-DUSE_ARM_ASM']
 952     endif
 953   elif host_machine.cpu_family() == 'aarch64'
 954     if system_has_kms_drm
 955       with_asm_arch = 'aarch64'
 956       pre_args += ['-DUSE_AARCH64_ASM']
 957     endif
 958   elif host_machine.cpu_family() == 'sparc64'
 959     if system_has_kms_drm
 960       with_asm_arch = 'sparc'
 961       pre_args += ['-DUSE_SPARC_ASM']
 962     endif
 963   elif host_machine.cpu_family() == 'ppc64le'
 964     if system_has_kms_drm
 965       with_asm_arch = 'ppc64le'
 966       pre_args += ['-DUSE_PPC64LE_ASM']
 967     endif
 968   endif
 969 endif
 970
 971 # Check for standard headers and functions
 972 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 973   pre_args += '-DMAJOR_IN_SYSMACROS'
 974 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 975   pre_args += '-DMAJOR_IN_MKDEV'
 976 endif
 977
 978 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
 979   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 980     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 981   endif
 982 endforeach
 983
 984 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 985   if cc.has_function(f)
 986     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 987   endif
 988 endforeach
 989
 990 # strtod locale support
 991 if cc.links('''
 992     #define _GNU_SOURCE
 993     #include <stdlib.h>
 994     #include <locale.h>
 995     #ifdef HAVE_XLOCALE_H
 996     #include <xlocale.h>
 997     #endif
 998     int main() {
 999       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1000       const char *s = "1.0";
1001       char *end;
1002       double d = strtod_l(s, end, loc);
1003       float f = strtof_l(s, end, loc);
1004       freelocale(loc);
1005       return 0;
1006     }''',
1007     args : pre_args,
1008     name : 'strtod has locale support')
1009   pre_args += '-DHAVE_STRTOD_L'
1010 endif
1011
1012 # Check for some linker flags
1013 ld_args_bsymbolic = []
1014 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1015   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1016 endif
1017 ld_args_gc_sections = []
1018 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1019             args : '-Wl,--gc-sections', name : 'gc-sections')
1020   ld_args_gc_sections += '-Wl,--gc-sections'
1021 endif
1022 with_ld_version_script = false
1023 if cc.links('int main() { return 0; }',
1024             args : '-Wl,--version-script=@0@'.format(
1025               join_paths(meson.source_root(), 'build-support/conftest.map')),
1026             name : 'version-script')
1027   with_ld_version_script = true
1028 endif
1029 with_ld_dynamic_list = false
1030 if cc.links('int main() { return 0; }',
1031             args : '-Wl,--dynamic-list=@0@'.format(
1032               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1033             name : 'dynamic-list')
1034   with_ld_dynamic_list = true
1035 endif
1036 ld_args_build_id = []
1037 if build_machine.system() != 'darwin'
1038    ld_args_build_id += '-Wl,--build-id=sha1'
1039 endif
1040
1041 # check for dl support
1042 if cc.has_function('dlopen')
1043   dep_dl = null_dep
1044 else
1045   dep_dl = cc.find_library('dl')
1046 endif
1047 if cc.has_function('dladdr', dependencies : dep_dl)
1048   # This is really only required for megadrivers
1049   pre_args += '-DHAVE_DLADDR'
1050 endif
1051
1052 if cc.has_function('dl_iterate_phdr')
1053   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1054 elif with_intel_vk
1055   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1056 elif with_dri_i965 and get_option('shader-cache')
1057   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1058 endif
1059
1060 # Determine whether or not the rt library is needed for time functions
1061 if cc.has_function('clock_gettime')
1062   dep_clock = null_dep
1063 else
1064   dep_clock = cc.find_library('rt')
1065 endif
1066
1067 # TODO: some of these may be conditional
1068 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1069 pre_args += '-DHAVE_ZLIB'
1070 dep_thread = dependency('threads')
1071 if dep_thread.found() and host_machine.system() != 'windows'
1072   pre_args += '-DHAVE_PTHREAD'
1073 endif
1074 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1075   dep_elf = dependency('libelf', required : false)
1076   if not dep_elf.found()
1077     dep_elf = cc.find_library('elf')
1078   endif
1079 else
1080   dep_elf = null_dep
1081 endif
1082 dep_expat = dependency('expat')
1083 # this only exists on linux so either this is linux and it will be found, or
1084 # its not linux and and wont
1085 dep_m = cc.find_library('m', required : false)
1086
1087 # Check for libdrm. various drivers have different libdrm version requirements,
1088 # but we always want to use the same version for all libdrm modules. That means
1089 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1090 # bar are both on use 2.4.3 for both of them
1091 dep_libdrm_amdgpu = null_dep
1092 dep_libdrm_radeon = null_dep
1093 dep_libdrm_nouveau = null_dep
1094 dep_libdrm_etnaviv = null_dep
1095 dep_libdrm_freedreno = null_dep
1096 dep_libdrm_intel = null_dep
1097
1098 _drm_amdgpu_ver = '2.4.93'
1099 _drm_radeon_ver = '2.4.71'
1100 _drm_nouveau_ver = '2.4.66'
1101 _drm_etnaviv_ver = '2.4.89'
1102 _drm_freedreno_ver = '2.4.93'
1103 _drm_intel_ver = '2.4.75'
1104 _drm_ver = '2.4.75'
1105
1106 _libdrm_checks = [
1107   ['intel', with_dri_i915 or with_gallium_i915],
1108   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1109   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1110               with_gallium_r300 or with_gallium_r600)],
1111   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1112   ['etnaviv', with_gallium_etnaviv],
1113   ['freedreno', with_gallium_freedreno],
1114 ]
1115
1116 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1117 # library.
1118 if with_gallium_vc4
1119   _drm_ver = '2.4.89'
1120 endif
1121
1122 # Loop over the enables versions and get the highest libdrm requirement for all
1123 # active drivers.
1124 _drm_blame = ''
1125 foreach d : _libdrm_checks
1126   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1127   if d[1] and ver.version_compare('>' + _drm_ver)
1128     _drm_ver = ver
1129     _drm_blame = d[0]
1130   endif
1131 endforeach
1132 if _drm_blame != ''
1133   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1134 endif
1135
1136 # Then get each libdrm module
1137 foreach d : _libdrm_checks
1138   if d[1]
1139     set_variable(
1140       'dep_libdrm_' + d[0],
1141       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1142     )
1143   endif
1144 endforeach
1145
1146 with_gallium_drisw_kms = false
1147 dep_libdrm = dependency(
1148   'libdrm', version : '>=' + _drm_ver,
1149   required : with_dri2 or with_dri3
1150 )
1151 if dep_libdrm.found()
1152   pre_args += '-DHAVE_LIBDRM'
1153   if with_dri_platform == 'drm' and with_dri
1154     with_gallium_drisw_kms = true
1155   endif
1156 endif
1157
1158 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1159 llvm_optional_modules = []
1160 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1161   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1162   if with_gallium_r600
1163     llvm_modules += 'asmparser'
1164   endif
1165 endif
1166 if with_gallium_opencl
1167   llvm_modules += [
1168     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1169     'lto', 'option', 'objcarcopts', 'profiledata',
1170   ]
1171   llvm_optional_modules += ['coroutines', 'opencl']
1172 endif
1173
1174 if with_amd_vk or with_gallium_radeonsi
1175   _llvm_version = '>= 6.0.0'
1176 elif with_gallium_swr
1177   _llvm_version = '>= 6.0.0'
1178 elif with_gallium_opencl or with_gallium_r600
1179   _llvm_version = '>= 3.9.0'
1180 else
1181   _llvm_version = '>= 3.3.0'
1182 endif
1183
1184 _llvm = get_option('llvm')
1185 if _llvm == 'auto'
1186   dep_llvm = dependency(
1187     'llvm',
1188     version : _llvm_version,
1189     modules : llvm_modules,
1190     optional_modules : llvm_optional_modules,
1191     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1192   )
1193   with_llvm = dep_llvm.found()
1194 elif _llvm == 'true'
1195   dep_llvm = dependency(
1196     'llvm',
1197     version : _llvm_version,
1198     modules : llvm_modules,
1199     optional_modules : llvm_optional_modules,
1200   )
1201   with_llvm = true
1202 else
1203   dep_llvm = null_dep
1204   with_llvm = false
1205 endif
1206 if with_llvm
1207   _llvm_version = dep_llvm.version().split('.')
1208
1209   # 3 digits versions in LLVM only started from 3.4.1 on
1210   if dep_llvm.version().version_compare('>= 3.4.1')
1211     _llvm_patch = _llvm_version[2]
1212   else
1213     _llvm_patch = '0'
1214   endif
1215
1216   pre_args += [
1217     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1218     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1219   ]
1220
1221   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1222   # programs, so we need to build all C++ code in mesa without rtti as well to
1223   # ensure that linking works.
1224   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1225     cpp_args += '-fno-rtti'
1226   endif
1227 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1228   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1229 endif
1230
1231 dep_glvnd = null_dep
1232 if with_glvnd
1233   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1234   pre_args += '-DUSE_LIBGLVND=1'
1235 endif
1236
1237 if with_valgrind != 'false'
1238   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1239   if dep_valgrind.found()
1240     pre_args += '-DHAVE_VALGRIND'
1241   endif
1242 else
1243   dep_valgrind = null_dep
1244 endif
1245
1246 # pthread stubs. Lets not and say we didn't
1247
1248 prog_bison = find_program('bison', required : with_any_opengl)
1249 prog_flex = find_program('flex', required : with_any_opengl)
1250
1251 dep_selinux = null_dep
1252 if get_option('selinux')
1253   dep_selinux = dependency('libselinux')
1254   pre_args += '-DMESA_SELINUX'
1255 endif
1256
1257 if with_libunwind != 'false'
1258   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1259   if dep_unwind.found()
1260     pre_args += '-DHAVE_LIBUNWIND'
1261   endif
1262 else
1263   dep_unwind = null_dep
1264 endif
1265
1266 if with_osmesa != 'none'
1267   if with_osmesa == 'classic' and not with_dri_swrast
1268     error('OSMesa classic requires dri (classic) swrast.')
1269   endif
1270   if with_osmesa == 'gallium' and not with_gallium_softpipe
1271     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1272   endif
1273   osmesa_lib_name = 'OSMesa'
1274   osmesa_bits = get_option('osmesa-bits')
1275   if osmesa_bits != '8'
1276     if with_dri or with_glx != 'disabled'
1277       error('OSMesa bits must be 8 if building glx or dir based drivers')
1278     endif
1279     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1280     pre_args += [
1281       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1282     ]
1283   endif
1284 endif
1285
1286 # TODO: symbol mangling
1287
1288 if with_platform_wayland
1289   dep_wl_scanner = dependency('wayland-scanner', native: true)
1290   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1291   if dep_wl_scanner.version().version_compare('>= 1.15')
1292     wl_scanner_arg = 'private-code'
1293   else
1294     wl_scanner_arg = 'code'
1295   endif
1296   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1297   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1298   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1299   if with_egl
1300     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1301     dep_wayland_egl_headers = declare_dependency(
1302       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1303   endif
1304   wayland_dmabuf_xml = join_paths(
1305     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1306     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1307   )
1308   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1309 else
1310   prog_wl_scanner = []
1311   wl_scanner_arg = ''
1312   dep_wl_protocols = null_dep
1313   dep_wayland_client = null_dep
1314   dep_wayland_server = null_dep
1315   wayland_dmabuf_xml = ''
1316 endif
1317
1318 dep_x11 = null_dep
1319 dep_xext = null_dep
1320 dep_xdamage = null_dep
1321 dep_xfixes = null_dep
1322 dep_x11_xcb = null_dep
1323 dep_xcb = null_dep
1324 dep_xcb_glx = null_dep
1325 dep_xcb_dri2 = null_dep
1326 dep_xcb_dri3 = null_dep
1327 dep_dri2proto = null_dep
1328 dep_glproto = null_dep
1329 dep_xxf86vm = null_dep
1330 dep_xcb_dri3 = null_dep
1331 dep_xcb_present = null_dep
1332 dep_xcb_sync = null_dep
1333 dep_xcb_xfixes = null_dep
1334 dep_xshmfence = null_dep
1335 dep_xcb_xrandr = null_dep
1336 dep_xlib_xrandr = null_dep
1337 if with_platform_x11
1338   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1339     dep_x11 = dependency('x11')
1340     dep_xext = dependency('xext')
1341     dep_xcb = dependency('xcb')
1342   elif with_glx == 'dri'
1343     dep_x11 = dependency('x11')
1344     dep_xext = dependency('xext')
1345     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1346     dep_xfixes = dependency('xfixes')
1347     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1348     dep_xxf86vm = dependency('xxf86vm', required : false)
1349   endif
1350   if (with_any_vk or with_glx == 'dri' or
1351        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1352         with_gallium_omx != 'disabled'))
1353     dep_xcb = dependency('xcb')
1354     dep_x11_xcb = dependency('x11-xcb')
1355   endif
1356   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1357     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1358
1359     if with_dri3
1360       pre_args += '-DHAVE_DRI3'
1361       dep_xcb_dri3 = dependency('xcb-dri3')
1362       dep_xcb_present = dependency('xcb-present')
1363       # until xcb-dri3 has been around long enough to make a hard-dependency:
1364       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1365           dep_xcb_present.version().version_compare('>= 1.13'))
1366         pre_args += '-DHAVE_DRI3_MODIFIERS'
1367       endif
1368       dep_xcb_sync = dependency('xcb-sync')
1369       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1370     endif
1371   endif
1372   if with_glx == 'dri'
1373     if with_dri_platform == 'drm'
1374       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1375     endif
1376     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1377   endif
1378   if (with_egl or (
1379       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1380       with_gallium_omx != 'disabled'))
1381     dep_xcb_xfixes = dependency('xcb-xfixes')
1382   endif
1383   if with_xlib_lease
1384     dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1385     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1386   endif
1387 endif
1388
1389 if get_option('gallium-extra-hud')
1390   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1391 endif
1392
1393 _sensors = get_option('lmsensors')
1394 if _sensors != 'false'
1395   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1396   if dep_lmsensors.found()
1397     pre_args += '-DHAVE_LIBSENSORS=1'
1398   endif
1399 else
1400   dep_lmsensors = null_dep
1401 endif
1402
1403 foreach a : pre_args
1404   add_project_arguments(a, language : ['c', 'cpp'])
1405 endforeach
1406 foreach a : c_args
1407   add_project_arguments(a, language : ['c'])
1408 endforeach
1409 foreach a : cpp_args
1410   add_project_arguments(a, language : ['cpp'])
1411 endforeach
1412
1413 inc_include = include_directories('include')
1414
1415 gl_priv_reqs = []
1416
1417 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1418   gl_priv_reqs += ['x11', 'xext', 'xcb']
1419 elif with_glx == 'dri'
1420   gl_priv_reqs += [
1421     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1422     'xcb-glx >= 1.8.1']
1423   if with_dri_platform == 'drm'
1424     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1425   endif
1426 endif
1427 if dep_libdrm.found()
1428   gl_priv_reqs += 'libdrm >= 2.4.75'
1429 endif
1430 if dep_xxf86vm.found()
1431   gl_priv_reqs += 'xxf86vm'
1432 endif
1433
1434 gl_priv_libs = []
1435 if dep_thread.found()
1436   gl_priv_libs += ['-lpthread', '-pthread']
1437 endif
1438 if dep_m.found()
1439   gl_priv_libs += '-lm'
1440 endif
1441 if dep_dl.found()
1442   gl_priv_libs += '-ldl'
1443 endif
1444
1445 pkg = import('pkgconfig')
1446
1447 env_test = environment()
1448 env_test.set('NM', find_program('nm').path())
1449
1450 subdir('include')
1451 subdir('bin')
1452 subdir('src')