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 # Arguments for the preprocessor, put these in a separate array from the C and
  38 # C++ (cpp in meson terminology) arguments since they need to be added to the
  39 # default arguments for both C and C++.
  40 pre_args = [
  41   '-D__STDC_CONSTANT_MACROS',
  42   '-D__STDC_FORMAT_MACROS',
  43   '-D__STDC_LIMIT_MACROS',
  44   '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
  45   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  46 ]
  47
  48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  49 with_tests = get_option('build-tests')
  50 with_valgrind = get_option('valgrind')
  51 with_libunwind = get_option('libunwind')
  52 with_asm = get_option('asm')
  53 with_glx_read_only_text = get_option('glx-read-only-text')
  54 with_osmesa = get_option('osmesa')
  55 with_swr_arches = get_option('swr-arches')
  56 with_tools = get_option('tools')
  57 if with_tools.contains('all')
  58   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
  59 endif
  60
  61 dri_drivers_path = get_option('dri-drivers-path')
  62 if dri_drivers_path == ''
  63   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  64 endif
  65 dri_search_path = get_option('dri-search-path')
  66 if dri_search_path == ''
  67   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  68 endif
  69
  70 with_gles1 = get_option('gles1')
  71 with_gles2 = get_option('gles2')
  72 with_opengl = get_option('opengl')
  73 with_any_opengl = with_opengl or with_gles1 or with_gles2
  74 # Only build shared_glapi if at least one OpenGL API is enabled
  75 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  76
  77
  78 # shared-glapi is required if at least two OpenGL APIs are being built
  79 if not with_shared_glapi
  80   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  81       or (with_gles2 and with_opengl))
  82     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  83   endif
  84 endif
  85
  86 # We require OpenGL for OpenGL ES
  87 if (with_gles1 or with_gles2) and not with_opengl
  88   error('building OpenGL ES without OpenGL is not supported.')
  89 endif
  90
  91 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  92
  93 _drivers = get_option('dri-drivers')
  94 if _drivers.contains('auto')
  95   if system_has_kms_drm
  96     # TODO: PPC, Sparc
  97     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  98       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
  99     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 100       _drivers = []
 101     else
 102       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 103             host_machine.cpu_family()))
 104     endif
 105   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 106     # only swrast would make sense here, but gallium swrast is a much better default
 107     _drivers = []
 108   else
 109     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 110           host_machine.system()))
 111   endif
 112 endif
 113
 114 with_dri_i915 = _drivers.contains('i915')
 115 with_dri_i965 = _drivers.contains('i965')
 116 with_dri_r100 = _drivers.contains('r100')
 117 with_dri_r200 = _drivers.contains('r200')
 118 with_dri_nouveau = _drivers.contains('nouveau')
 119 with_dri_swrast = _drivers.contains('swrast')
 120
 121 with_dri = _drivers.length() != 0 and _drivers != ['']
 122
 123 _drivers = get_option('gallium-drivers')
 124 if _drivers.contains('auto')
 125   if system_has_kms_drm
 126     # TODO: PPC, Sparc
 127     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 128       _drivers = [
 129         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 130       ]
 131     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 132       _drivers = [
 133         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 134         'tegra', 'virgl', 'swrast',
 135       ]
 136     else
 137       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 138             host_machine.cpu_family()))
 139     endif
 140   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 141     _drivers = ['swrast']
 142   else
 143     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 144           host_machine.system()))
 145   endif
 146 endif
 147 with_gallium_pl111 = _drivers.contains('pl111')
 148 with_gallium_radeonsi = _drivers.contains('radeonsi')
 149 with_gallium_r300 = _drivers.contains('r300')
 150 with_gallium_r600 = _drivers.contains('r600')
 151 with_gallium_nouveau = _drivers.contains('nouveau')
 152 with_gallium_freedreno = _drivers.contains('freedreno')
 153 with_gallium_softpipe = _drivers.contains('swrast')
 154 with_gallium_vc4 = _drivers.contains('vc4')
 155 with_gallium_v3d = _drivers.contains('v3d')
 156 with_gallium_etnaviv = _drivers.contains('etnaviv')
 157 with_gallium_imx = _drivers.contains('imx')
 158 with_gallium_tegra = _drivers.contains('tegra')
 159 with_gallium_i915 = _drivers.contains('i915')
 160 with_gallium_svga = _drivers.contains('svga')
 161 with_gallium_virgl = _drivers.contains('virgl')
 162 with_gallium_swr = _drivers.contains('swr')
 163
 164 with_gallium = _drivers.length() != 0 and _drivers != ['']
 165
 166 if with_gallium and system_has_kms_drm
 167   _glx = get_option('glx')
 168   _egl = get_option('egl')
 169   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 170     with_dri = true
 171   endif
 172 endif
 173
 174 _vulkan_drivers = get_option('vulkan-drivers')
 175 if _vulkan_drivers.contains('auto')
 176   if system_has_kms_drm
 177     if host_machine.cpu_family().startswith('x86')
 178       _vulkan_drivers = ['amd', 'intel']
 179     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 180       _vulkan_drivers = []
 181     else
 182       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 183             host_machine.cpu_family()))
 184     endif
 185   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 186     # No vulkan driver supports windows or macOS currently
 187     _vulkan_drivers = []
 188   else
 189     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 190           host_machine.system()))
 191   endif
 192 endif
 193
 194 with_intel_vk = _vulkan_drivers.contains('intel')
 195 with_amd_vk = _vulkan_drivers.contains('amd')
 196 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 197
 198 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 199   error('Only one swrast provider can be built')
 200 endif
 201 if with_dri_i915 and with_gallium_i915
 202   error('Only one i915 provider can be built')
 203 endif
 204 if with_gallium_imx and not with_gallium_etnaviv
 205   error('IMX driver requires etnaviv driver')
 206 endif
 207 if with_gallium_pl111 and not with_gallium_vc4
 208   error('pl111 driver requires vc4 driver')
 209 endif
 210 if with_gallium_tegra and not with_gallium_nouveau
 211   error('tegra driver requires nouveau driver')
 212 endif
 213
 214 if host_machine.system() == 'darwin'
 215   with_dri_platform = 'apple'
 216 elif ['windows', 'cygwin'].contains(host_machine.system())
 217   with_dri_platform = 'windows'
 218 elif system_has_kms_drm
 219   with_dri_platform = 'drm'
 220 else
 221   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 222   # assert here that one of those cases has been met.
 223   # FIXME: illumos ends up here as well
 224   with_dri_platform = 'none'
 225 endif
 226
 227 _platforms = get_option('platforms')
 228 if _platforms.contains('auto')
 229   if system_has_kms_drm
 230     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 231   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 232     _platforms = ['x11', 'surfaceless']
 233   elif ['haiku'].contains(host_machine.system())
 234     _platforms = ['haiku']
 235   else
 236     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 237           host_machine.system()))
 238   endif
 239 endif
 240
 241 with_platform_android = _platforms.contains('android')
 242 with_platform_x11 = _platforms.contains('x11')
 243 with_platform_wayland = _platforms.contains('wayland')
 244 with_platform_drm = _platforms.contains('drm')
 245 with_platform_haiku = _platforms.contains('haiku')
 246 with_platform_surfaceless = _platforms.contains('surfaceless')
 247
 248 with_platforms = false
 249 if _platforms.length() != 0 and _platforms != ['']
 250   with_platforms = true
 251   egl_native_platform = _platforms[0]
 252 endif
 253
 254 _xlib_lease = get_option('xlib-lease')
 255 if _xlib_lease == 'auto'
 256   with_xlib_lease = with_platform_x11 and with_platform_drm
 257 else
 258   with_xlib_lease = _xlib_lease == 'true'
 259 endif
 260
 261 with_glx = get_option('glx')
 262 if with_glx == 'auto'
 263   if with_dri
 264     with_glx = 'dri'
 265   elif with_platform_haiku
 266     with_glx = 'disabled'
 267   elif with_gallium
 268     # Even when building just gallium drivers the user probably wants dri
 269     with_glx = 'dri'
 270   elif with_platform_x11 and with_any_opengl and not with_any_vk
 271     # The automatic behavior should not be to turn on xlib based glx when
 272     # building only vulkan drivers
 273     with_glx = 'xlib'
 274   else
 275     with_glx = 'disabled'
 276   endif
 277 endif
 278 if with_glx == 'dri'
 279    if with_gallium
 280       with_dri = true
 281    endif
 282 endif
 283
 284 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 285   with_gles1 = false
 286   with_gles2 = false
 287   with_opengl = false
 288   with_any_opengl = false
 289   with_shared_glapi = false
 290 endif
 291
 292 _gbm = get_option('gbm')
 293 if _gbm == 'auto'
 294   with_gbm = system_has_kms_drm and with_dri
 295 else
 296   with_gbm = _gbm == 'true'
 297 endif
 298 if with_gbm and not system_has_kms_drm
 299   error('GBM only supports DRM/KMS platforms')
 300 endif
 301
 302 _egl = get_option('egl')
 303 if _egl == 'auto'
 304   with_egl = (
 305     not ['darwin', 'windows'].contains(host_machine.system()) and
 306     with_dri and with_shared_glapi and with_platforms
 307   )
 308 elif _egl == 'true'
 309   if not with_dri
 310     error('EGL requires dri')
 311   elif not with_shared_glapi
 312     error('EGL requires shared-glapi')
 313   elif not with_platforms
 314     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 315   elif not ['disabled', 'dri'].contains(with_glx)
 316     error('EGL requires dri, but a GLX is being built without dri')
 317   elif ['darwin', 'windows'].contains(host_machine.system())
 318     error('EGL is not available on Windows or MacOS')
 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   # on old versions of meson the cpu family would return as ppc64le on little
 627   # endian power8, this was changed in 0.48 such that the family would always
 628   # be ppc64 regardless of endianness, and the the machine.endian() value
 629   # should be checked. Since we support versions < 0.48 we need to use
 630   # startswith.
 631   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 632     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 633       error('Altivec is not supported with gcc version < 4.8.')
 634     endif
 635     if cc.compiles('''
 636         #include <altivec.h>
 637         int main() {
 638           vector unsigned char r;
 639           vector unsigned int v = vec_splat_u32 (1);
 640           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 641           return 0;
 642         }''',
 643         args : '-mpower8-vector',
 644         name : 'POWER8 intrinsics')
 645       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 646     elif get_option('power8') == 'true'
 647       error('POWER8 intrinsic support required but not found.')
 648     endif
 649   endif
 650 endif
 651
 652 _opencl = get_option('gallium-opencl')
 653 if _opencl != 'disabled'
 654   if not with_gallium
 655     error('OpenCL Clover implementation requires at least one gallium driver.')
 656   endif
 657
 658   dep_clc = dependency('libclc')
 659   with_gallium_opencl = true
 660   with_opencl_icd = _opencl == 'icd'
 661 else
 662   dep_clc = null_dep
 663   with_gallium_opencl = false
 664   with_gallium_icd = false
 665 endif
 666
 667 gl_pkgconfig_c_flags = []
 668 if with_platform_x11
 669   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 670     pre_args += '-DHAVE_X11_PLATFORM'
 671   endif
 672   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 673     pre_args += '-DUSE_XSHM'
 674   else
 675     pre_args += '-DGLX_INDIRECT_RENDERING'
 676     if with_glx_direct
 677       pre_args += '-DGLX_DIRECT_RENDERING'
 678     endif
 679     if with_dri_platform == 'drm'
 680       pre_args += '-DGLX_USE_DRM'
 681     elif with_dri_platform == 'apple'
 682       pre_args += '-DGLX_USE_APPLEGL'
 683     elif with_dri_platform == 'windows'
 684       pre_args += '-DGLX_USE_WINDOWSGL'
 685     endif
 686   endif
 687 else
 688   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 689   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 690 endif
 691 if with_platform_drm
 692   if with_egl and not with_gbm
 693     error('EGL drm platform requires gbm')
 694   endif
 695   pre_args += '-DHAVE_DRM_PLATFORM'
 696 endif
 697 if with_platform_surfaceless
 698   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 699 endif
 700 if with_platform_android
 701   dep_android = [
 702     dependency('cutils'),
 703     dependency('hardware'),
 704     dependency('sync'),
 705   ]
 706   pre_args += '-DHAVE_ANDROID_PLATFORM'
 707 endif
 708 if with_platform_haiku
 709   pre_args += '-DHAVE_HAIKU_PLATFORM'
 710 endif
 711
 712 prog_python = import('python3').find_python()
 713 has_mako = run_command(
 714   prog_python, '-c',
 715   '''
 716 from distutils.version import StrictVersion
 717 import mako
 718 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 719   ''')
 720 if has_mako.returncode() != 0
 721   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 722 endif
 723
 724 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 725   error('When using GCC, version 4.4.6 or later is required.')
 726 endif
 727
 728 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 729 if get_option('buildtype') == 'debug'
 730   pre_args += '-DDEBUG'
 731 endif
 732
 733 if get_option('shader-cache')
 734   pre_args += '-DENABLE_SHADER_CACHE'
 735 elif with_amd_vk
 736   error('Radv requires shader cache support')
 737 endif
 738
 739 # Check for GCC style builtins
 740 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 741              'ffsll', 'popcount', 'popcountll', 'unreachable']
 742   if cc.has_function(b)
 743     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 744   endif
 745 endforeach
 746
 747 # check for GCC __attribute__
 748 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 749              'warn_unused_result', 'weak',]
 750   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 751                  name : '__attribute__((@0@))'.format(a))
 752     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 753   endif
 754 endforeach
 755 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 756                name : '__attribute__((format(...)))')
 757   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 758 endif
 759 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 760                name : '__attribute__((packed))')
 761   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 762 endif
 763 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 764                name : '__attribute__((returns_nonnull))')
 765   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 766 endif
 767 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 768                   int foo_hid(void) __attribute__((visibility("hidden")));
 769                   int foo_int(void) __attribute__((visibility("internal")));
 770                   int foo_pro(void) __attribute__((visibility("protected")));''',
 771                name : '__attribute__((visibility(...)))')
 772   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 773 endif
 774 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 775                name : '__attribute__((alias(...)))')
 776   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 777 endif
 778 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 779                name : '__attribute__((__noreturn__))')
 780   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 781 endif
 782
 783 # TODO: this is very incomplete
 784 if ['linux', 'cygwin', 'gnu'].contains(host_machine.system())
 785   pre_args += '-D_GNU_SOURCE'
 786 endif
 787
 788 # Check for generic C arguments
 789 c_args = []
 790 foreach a : ['-Werror=implicit-function-declaration',
 791              '-Werror=missing-prototypes', '-Werror=return-type',
 792              '-fno-math-errno',
 793              '-fno-trapping-math', '-Qunused-arguments']
 794   if cc.has_argument(a)
 795     c_args += a
 796   endif
 797 endforeach
 798
 799 foreach a : ['missing-field-initializers', 'format-truncation']
 800   if cc.has_argument('-W' + a)
 801     c_args += '-Wno-' + a
 802   endif
 803 endforeach
 804
 805 c_vis_args = []
 806 if cc.has_argument('-fvisibility=hidden')
 807   c_vis_args += '-fvisibility=hidden'
 808 endif
 809
 810 # Check for generic C++ arguments
 811 cpp_args = []
 812 foreach a : ['-Werror=return-type',
 813              '-fno-math-errno', '-fno-trapping-math',
 814              '-Qunused-arguments']
 815   if cpp.has_argument(a)
 816     cpp_args += a
 817   endif
 818 endforeach
 819
 820 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 821 # option is not supported. Hence, check for -Wfoo instead.
 822
 823 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
 824   if cpp.has_argument('-W' + a)
 825     cpp_args += '-Wno-' + a
 826   endif
 827 endforeach
 828
 829 no_override_init_args = []
 830 foreach a : ['override-init', 'initializer-overrides']
 831   if cc.has_argument('-W' + a)
 832     no_override_init_args += '-Wno-' + a
 833   endif
 834 endforeach
 835
 836 cpp_vis_args = []
 837 if cpp.has_argument('-fvisibility=hidden')
 838   cpp_vis_args += '-fvisibility=hidden'
 839 endif
 840
 841 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 842 # in parts of the mesa code base that need to compile with old versions of
 843 # MSVC, mainly common code
 844 c_msvc_compat_args = []
 845 cpp_msvc_compat_args = []
 846 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 847   if cc.has_argument(a)
 848     c_msvc_compat_args += a
 849   endif
 850   if cpp.has_argument(a)
 851     cpp_msvc_compat_args += a
 852   endif
 853 endforeach
 854
 855 if host_machine.cpu_family().startswith('x86')
 856   pre_args += '-DUSE_SSE41'
 857   with_sse41 = true
 858   sse41_args = ['-msse4.1']
 859
 860   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 861   # that's not guaranteed
 862   if host_machine.cpu_family() == 'x86'
 863     sse41_args += '-mstackrealign'
 864   endif
 865 else
 866   with_sse41 = false
 867   sse41_args = []
 868 endif
 869
 870 # Check for GCC style atomics
 871 dep_atomic = null_dep
 872
 873 if cc.compiles('''#include <stdint.h>
 874                   int main() {
 875                     struct {
 876                       uint64_t *v;
 877                     } x;
 878                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 879                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 880
 881                   }''',
 882                name : 'GCC atomic builtins')
 883   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 884
 885   # Not all atomic calls can be turned into lock-free instructions, in which
 886   # GCC will make calls into the libatomic library. Check whether we need to
 887   # link with -latomic.
 888   #
 889   # This can happen for 64-bit atomic operations on 32-bit architectures such
 890   # as ARM.
 891   if not cc.links('''#include <stdint.h>
 892                      int main() {
 893                        struct {
 894                          uint64_t *v;
 895                        } x;
 896                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 897                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 898                      }''',
 899                   name : 'GCC atomic builtins required -latomic')
 900     dep_atomic = cc.find_library('atomic')
 901   endif
 902 endif
 903 if not cc.links('''#include <stdint.h>
 904                    uint64_t v;
 905                    int main() {
 906                      return __sync_add_and_fetch(&v, (uint64_t)1);
 907                    }''',
 908                 dependencies : dep_atomic,
 909                 name : 'GCC 64bit atomics')
 910   pre_args += '-DMISSING_64BIT_ATOMICS'
 911 endif
 912
 913 # TODO: shared/static? Is this even worth doing?
 914
 915 # When cross compiling we generally need to turn off the use of assembly,
 916 # because mesa's assembly relies on building an executable for the host system,
 917 # and running it to get information about struct sizes. There is at least one
 918 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 919 # host OS == build OS, since in that case the build machine can run the host's
 920 # binaries.
 921 if with_asm and meson.is_cross_build()
 922   if build_machine.system() != host_machine.system()
 923     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 924     message('Cross compiling from one OS to another, disabling assembly.')
 925     with_asm = false
 926   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 927     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 928     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 929     # case.
 930     # TODO: There may be other cases where the 64 bit version of the
 931     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 932     message('''
 933       Cross compiling to different architectures, and the host cannot run
 934       the build machine's binaries. Disabling assembly.
 935     ''')
 936     with_asm = false
 937   endif
 938 endif
 939
 940 with_asm_arch = ''
 941 if with_asm
 942   if host_machine.cpu_family() == 'x86'
 943     if system_has_kms_drm or host_machine.system() == 'gnu'
 944       with_asm_arch = 'x86'
 945       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 946                    '-DUSE_SSE_ASM']
 947
 948       if with_glx_read_only_text
 949          pre_args += ['-DGLX_X86_READONLY_TEXT']
 950       endif
 951     endif
 952   elif host_machine.cpu_family() == 'x86_64'
 953     if system_has_kms_drm
 954       with_asm_arch = 'x86_64'
 955       pre_args += ['-DUSE_X86_64_ASM']
 956     endif
 957   elif host_machine.cpu_family() == 'arm'
 958     if system_has_kms_drm
 959       with_asm_arch = 'arm'
 960       pre_args += ['-DUSE_ARM_ASM']
 961     endif
 962   elif host_machine.cpu_family() == 'aarch64'
 963     if system_has_kms_drm
 964       with_asm_arch = 'aarch64'
 965       pre_args += ['-DUSE_AARCH64_ASM']
 966     endif
 967   elif host_machine.cpu_family() == 'sparc64'
 968     if system_has_kms_drm
 969       with_asm_arch = 'sparc'
 970       pre_args += ['-DUSE_SPARC_ASM']
 971     endif
 972   elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 973     if system_has_kms_drm
 974       with_asm_arch = 'ppc64le'
 975       pre_args += ['-DUSE_PPC64LE_ASM']
 976     endif
 977   endif
 978 endif
 979
 980 # Check for standard headers and functions
 981 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 982   pre_args += '-DMAJOR_IN_SYSMACROS'
 983 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 984   pre_args += '-DMAJOR_IN_MKDEV'
 985 endif
 986
 987 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
 988   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 989     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 990   endif
 991 endforeach
 992
 993 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 994   if cc.has_function(f)
 995     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 996   endif
 997 endforeach
 998
 999 # strtod locale support
1000 if cc.links('''
1001     #define _GNU_SOURCE
1002     #include <stdlib.h>
1003     #include <locale.h>
1004     #ifdef HAVE_XLOCALE_H
1005     #include <xlocale.h>
1006     #endif
1007     int main() {
1008       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1009       const char *s = "1.0";
1010       char *end;
1011       double d = strtod_l(s, end, loc);
1012       float f = strtof_l(s, end, loc);
1013       freelocale(loc);
1014       return 0;
1015     }''',
1016     args : pre_args,
1017     name : 'strtod has locale support')
1018   pre_args += '-DHAVE_STRTOD_L'
1019 endif
1020
1021 # Check for some linker flags
1022 ld_args_bsymbolic = []
1023 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1024   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1025 endif
1026 ld_args_gc_sections = []
1027 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1028             args : '-Wl,--gc-sections', name : 'gc-sections')
1029   ld_args_gc_sections += '-Wl,--gc-sections'
1030 endif
1031 with_ld_version_script = false
1032 if cc.links('int main() { return 0; }',
1033             args : '-Wl,--version-script=@0@'.format(
1034               join_paths(meson.source_root(), 'build-support/conftest.map')),
1035             name : 'version-script')
1036   with_ld_version_script = true
1037 endif
1038 with_ld_dynamic_list = false
1039 if cc.links('int main() { return 0; }',
1040             args : '-Wl,--dynamic-list=@0@'.format(
1041               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1042             name : 'dynamic-list')
1043   with_ld_dynamic_list = true
1044 endif
1045 ld_args_build_id = []
1046 if build_machine.system() != 'darwin'
1047    ld_args_build_id += '-Wl,--build-id=sha1'
1048 endif
1049
1050 # check for dl support
1051 if cc.has_function('dlopen')
1052   dep_dl = null_dep
1053 else
1054   dep_dl = cc.find_library('dl')
1055 endif
1056 if cc.has_function('dladdr', dependencies : dep_dl)
1057   # This is really only required for megadrivers
1058   pre_args += '-DHAVE_DLADDR'
1059 endif
1060
1061 if cc.has_function('dl_iterate_phdr')
1062   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1063 elif with_intel_vk
1064   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1065 elif with_dri_i965 and get_option('shader-cache')
1066   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1067 endif
1068
1069 # Determine whether or not the rt library is needed for time functions
1070 if cc.has_function('clock_gettime')
1071   dep_clock = null_dep
1072 else
1073   dep_clock = cc.find_library('rt')
1074 endif
1075
1076 # TODO: some of these may be conditional
1077 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1078 pre_args += '-DHAVE_ZLIB'
1079 dep_thread = dependency('threads')
1080 if dep_thread.found() and host_machine.system() != 'windows'
1081   pre_args += '-DHAVE_PTHREAD'
1082   if cc.has_function(
1083       'pthread_setaffinity_np',
1084       dependencies : dep_thread,
1085       prefix : '#include <pthread.h>',
1086       args : '-D_GNU_SOURCE')
1087     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1088   endif
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_intel = null_dep
1104
1105 _drm_amdgpu_ver = '2.4.95'
1106 _drm_radeon_ver = '2.4.71'
1107 _drm_nouveau_ver = '2.4.66'
1108 _drm_etnaviv_ver = '2.4.89'
1109 _drm_intel_ver = '2.4.75'
1110 _drm_ver = '2.4.75'
1111
1112 _libdrm_checks = [
1113   ['intel', with_dri_i915 or with_gallium_i915],
1114   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1115   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1116               with_gallium_r300 or with_gallium_r600)],
1117   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1118   ['etnaviv', with_gallium_etnaviv],
1119 ]
1120
1121 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1122 # library.
1123 if with_gallium_vc4
1124   _drm_ver = '2.4.89'
1125 endif
1126
1127 # Loop over the enables versions and get the highest libdrm requirement for all
1128 # active drivers.
1129 _drm_blame = ''
1130 foreach d : _libdrm_checks
1131   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1132   if d[1] and ver.version_compare('>' + _drm_ver)
1133     _drm_ver = ver
1134     _drm_blame = d[0]
1135   endif
1136 endforeach
1137 if _drm_blame != ''
1138   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1139 endif
1140
1141 # Then get each libdrm module
1142 foreach d : _libdrm_checks
1143   if d[1]
1144     set_variable(
1145       'dep_libdrm_' + d[0],
1146       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1147     )
1148   endif
1149 endforeach
1150
1151 with_gallium_drisw_kms = false
1152 dep_libdrm = dependency(
1153   'libdrm', version : '>=' + _drm_ver,
1154   required : with_dri2 or with_dri3
1155 )
1156 if dep_libdrm.found()
1157   pre_args += '-DHAVE_LIBDRM'
1158   if with_dri_platform == 'drm' and with_dri
1159     with_gallium_drisw_kms = true
1160   endif
1161 endif
1162
1163 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1164 llvm_optional_modules = []
1165 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1166   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1167   if with_gallium_r600
1168     llvm_modules += 'asmparser'
1169   endif
1170 endif
1171 if with_gallium_opencl
1172   llvm_modules += [
1173     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1174     'lto', 'option', 'objcarcopts', 'profiledata',
1175   ]
1176   llvm_optional_modules += ['coroutines']
1177 endif
1178
1179 if with_amd_vk or with_gallium_radeonsi
1180   _llvm_version = '>= 7.0.0'
1181 elif with_gallium_swr
1182   _llvm_version = '>= 6.0.0'
1183 elif with_gallium_opencl or with_gallium_r600
1184   _llvm_version = '>= 3.9.0'
1185 else
1186   _llvm_version = '>= 3.3.0'
1187 endif
1188
1189 _shared_llvm = get_option('shared-llvm')
1190
1191 _llvm = get_option('llvm')
1192 dep_llvm = null_dep
1193 with_llvm = false
1194 if _llvm != 'false'
1195   dep_llvm = dependency(
1196     'llvm',
1197     version : _llvm_version,
1198     modules : llvm_modules,
1199     optional_modules : llvm_optional_modules,
1200     required : (
1201       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1202       with_gallium_opencl or _llvm == 'true'
1203     ),
1204     static : not _shared_llvm,
1205   )
1206   with_llvm = dep_llvm.found()
1207 endif
1208 if with_llvm
1209   _llvm_version = dep_llvm.version().split('.')
1210
1211   # 3 digits versions in LLVM only started from 3.4.1 on
1212   if dep_llvm.version().version_compare('>= 3.4.1')
1213     _llvm_patch = _llvm_version[2]
1214   else
1215     _llvm_patch = '0'
1216   endif
1217
1218   pre_args += [
1219     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1220     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1221   ]
1222
1223   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1224   # programs, so we need to build all C++ code in mesa without rtti as well to
1225   # ensure that linking works.
1226   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1227     cpp_args += '-fno-rtti'
1228   endif
1229 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1230   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1231 endif
1232
1233 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1234     (with_gallium_r600 and with_llvm))
1235   dep_elf = dependency('libelf', required : false)
1236   if not dep_elf.found()
1237     dep_elf = cc.find_library('elf')
1238   endif
1239 else
1240   dep_elf = null_dep
1241 endif
1242
1243 dep_glvnd = null_dep
1244 if with_glvnd
1245   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1246   pre_args += '-DUSE_LIBGLVND=1'
1247 endif
1248
1249 if with_valgrind != 'false'
1250   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1251   if dep_valgrind.found()
1252     pre_args += '-DHAVE_VALGRIND'
1253   endif
1254 else
1255   dep_valgrind = null_dep
1256 endif
1257
1258 # pthread stubs. Lets not and say we didn't
1259
1260 prog_bison = find_program('bison', required : with_any_opengl)
1261 prog_flex = find_program('flex', required : with_any_opengl)
1262
1263 dep_selinux = null_dep
1264 if get_option('selinux')
1265   dep_selinux = dependency('libselinux')
1266   pre_args += '-DMESA_SELINUX'
1267 endif
1268
1269 if with_libunwind != 'false'
1270   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1271   if dep_unwind.found()
1272     pre_args += '-DHAVE_LIBUNWIND'
1273   endif
1274 else
1275   dep_unwind = null_dep
1276 endif
1277
1278 if with_osmesa != 'none'
1279   if with_osmesa == 'classic' and not with_dri_swrast
1280     error('OSMesa classic requires dri (classic) swrast.')
1281   endif
1282   if with_osmesa == 'gallium' and not with_gallium_softpipe
1283     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1284   endif
1285   osmesa_lib_name = 'OSMesa'
1286   osmesa_bits = get_option('osmesa-bits')
1287   if osmesa_bits != '8'
1288     if with_dri or with_glx != 'disabled'
1289       error('OSMesa bits must be 8 if building glx or dir based drivers')
1290     endif
1291     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1292     pre_args += [
1293       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1294     ]
1295   endif
1296 endif
1297
1298 # TODO: symbol mangling
1299
1300 if with_platform_wayland
1301   dep_wl_scanner = dependency('wayland-scanner', native: true)
1302   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1303   if dep_wl_scanner.version().version_compare('>= 1.15')
1304     wl_scanner_arg = 'private-code'
1305   else
1306     wl_scanner_arg = 'code'
1307   endif
1308   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1309   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1310   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1311   if with_egl
1312     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1313     dep_wayland_egl_headers = declare_dependency(
1314       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1315   endif
1316   wayland_dmabuf_xml = join_paths(
1317     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1318     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1319   )
1320   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
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   endif
1354   if (with_any_vk or with_glx == 'dri' or
1355        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1356         with_gallium_omx != 'disabled'))
1357     dep_xcb = dependency('xcb')
1358     dep_x11_xcb = dependency('x11-xcb')
1359   endif
1360   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1361     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1362
1363     if with_dri3
1364       pre_args += '-DHAVE_DRI3'
1365       dep_xcb_dri3 = dependency('xcb-dri3')
1366       dep_xcb_present = dependency('xcb-present')
1367       # until xcb-dri3 has been around long enough to make a hard-dependency:
1368       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1369           dep_xcb_present.version().version_compare('>= 1.13'))
1370         pre_args += '-DHAVE_DRI3_MODIFIERS'
1371       endif
1372       dep_xcb_sync = dependency('xcb-sync')
1373       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1374     endif
1375   endif
1376   if with_glx == 'dri'
1377     if with_dri_platform == 'drm'
1378       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1379       dep_xxf86vm = dependency('xxf86vm')
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     gl_priv_reqs += 'xxf86vm'
1431   endif
1432 endif
1433 if dep_libdrm.found()
1434   gl_priv_reqs += 'libdrm >= 2.4.75'
1435 endif
1436
1437 gl_priv_libs = []
1438 if dep_thread.found()
1439   gl_priv_libs += ['-lpthread', '-pthread']
1440 endif
1441 if dep_m.found()
1442   gl_priv_libs += '-lm'
1443 endif
1444 if dep_dl.found()
1445   gl_priv_libs += '-ldl'
1446 endif
1447
1448 pkg = import('pkgconfig')
1449
1450 env_test = environment()
1451 env_test.set('NM', find_program('nm').path())
1452
1453 subdir('include')
1454 subdir('bin')
1455 subdir('src')