meson.build

   1 # Copyright © 2017-2018 Intel Corporation
   2
   3 # Permission is hereby granted, free of charge, to any person obtaining a copy
   4 # of this software and associated documentation files (the "Software"), to deal
   5 # in the Software without restriction, including without limitation the rights
   6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7 # copies of the Software, and to permit persons to whom the Software is
   8 # furnished to do so, subject to the following conditions:
   9
  10 # The above copyright notice and this permission notice shall be included in
  11 # all copies or substantial portions of the Software.
  12
  13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  19 # SOFTWARE.
  20
  21 project(
  22   'mesa',
  23   ['c', 'cpp'],
  24   version : run_command(
  25     [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
  26   ).stdout(),
  27   license : 'MIT',
  28   meson_version : '>= 0.45',
  29   default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++11']
  30 )
  31
  32 cc = meson.get_compiler('c')
  33 cpp = meson.get_compiler('cpp')
  34
  35 null_dep = dependency('', required : false)
  36
  37 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  38
  39 # Arguments for the preprocessor, put these in a separate array from the C and
  40 # C++ (cpp in meson terminology) arguments since they need to be added to the
  41 # default arguments for both C and C++.
  42 pre_args = [
  43   '-D__STDC_CONSTANT_MACROS',
  44   '-D__STDC_FORMAT_MACROS',
  45   '-D__STDC_LIMIT_MACROS',
  46   '-DVERSION="@0@"'.format(meson.project_version()),
  47   '-DPACKAGE_VERSION=VERSION',
  48   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  49 ]
  50
  51 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  52 with_tests = get_option('build-tests')
  53 with_valgrind = get_option('valgrind')
  54 with_libunwind = get_option('libunwind')
  55 with_asm = get_option('asm')
  56 with_glx_read_only_text = get_option('glx-read-only-text')
  57 with_osmesa = get_option('osmesa')
  58 with_swr_arches = get_option('swr-arches')
  59 with_tools = get_option('tools')
  60 if with_tools.contains('all')
  61   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
  62 endif
  63
  64 dri_drivers_path = get_option('dri-drivers-path')
  65 if dri_drivers_path == ''
  66   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  67 endif
  68 dri_search_path = get_option('dri-search-path')
  69 if dri_search_path == ''
  70   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  71 endif
  72
  73 with_gles1 = get_option('gles1')
  74 with_gles2 = get_option('gles2')
  75 with_opengl = get_option('opengl')
  76 with_any_opengl = with_opengl or with_gles1 or with_gles2
  77 # Only build shared_glapi if at least one OpenGL API is enabled
  78 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  79
  80
  81 # shared-glapi is required if at least two OpenGL APIs are being built
  82 if not with_shared_glapi
  83   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  84       or (with_gles2 and with_opengl))
  85     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  86   endif
  87 endif
  88
  89 # We require OpenGL for OpenGL ES
  90 if (with_gles1 or with_gles2) and not with_opengl
  91   error('building OpenGL ES without OpenGL is not supported.')
  92 endif
  93
  94 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  95
  96 _drivers = get_option('dri-drivers')
  97 if _drivers.contains('auto')
  98   if system_has_kms_drm
  99     # TODO: PPC, Sparc
 100     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 101       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 102     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 103       _drivers = []
 104     else
 105       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 106             host_machine.cpu_family()))
 107     endif
 108   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 109     # only swrast would make sense here, but gallium swrast is a much better default
 110     _drivers = []
 111   else
 112     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 113           host_machine.system()))
 114   endif
 115 endif
 116
 117 with_dri_i915 = _drivers.contains('i915')
 118 with_dri_i965 = _drivers.contains('i965')
 119 with_dri_r100 = _drivers.contains('r100')
 120 with_dri_r200 = _drivers.contains('r200')
 121 with_dri_nouveau = _drivers.contains('nouveau')
 122 with_dri_swrast = _drivers.contains('swrast')
 123
 124 with_dri = _drivers.length() != 0 and _drivers != ['']
 125
 126 _drivers = get_option('gallium-drivers')
 127 if _drivers.contains('auto')
 128   if system_has_kms_drm
 129     # TODO: PPC, Sparc
 130     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 131       _drivers = [
 132         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 133       ]
 134     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 135       _drivers = [
 136         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 137         'tegra', 'virgl', 'swrast',
 138       ]
 139     else
 140       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 141             host_machine.cpu_family()))
 142     endif
 143   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 144     _drivers = ['swrast']
 145   else
 146     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 147           host_machine.system()))
 148   endif
 149 endif
 150 with_gallium_pl111 = _drivers.contains('pl111')
 151 with_gallium_radeonsi = _drivers.contains('radeonsi')
 152 with_gallium_r300 = _drivers.contains('r300')
 153 with_gallium_r600 = _drivers.contains('r600')
 154 with_gallium_nouveau = _drivers.contains('nouveau')
 155 with_gallium_freedreno = _drivers.contains('freedreno')
 156 with_gallium_softpipe = _drivers.contains('swrast')
 157 with_gallium_vc4 = _drivers.contains('vc4')
 158 with_gallium_v3d = _drivers.contains('v3d')
 159 with_gallium_etnaviv = _drivers.contains('etnaviv')
 160 with_gallium_imx = _drivers.contains('imx')
 161 with_gallium_tegra = _drivers.contains('tegra')
 162 with_gallium_i915 = _drivers.contains('i915')
 163 with_gallium_svga = _drivers.contains('svga')
 164 with_gallium_virgl = _drivers.contains('virgl')
 165 with_gallium_swr = _drivers.contains('swr')
 166
 167 with_gallium = _drivers.length() != 0 and _drivers != ['']
 168
 169 if with_gallium and system_has_kms_drm
 170   _glx = get_option('glx')
 171   _egl = get_option('egl')
 172   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 173     with_dri = true
 174   endif
 175 endif
 176
 177 _vulkan_drivers = get_option('vulkan-drivers')
 178 if _vulkan_drivers.contains('auto')
 179   if system_has_kms_drm
 180     if host_machine.cpu_family().startswith('x86')
 181       _vulkan_drivers = ['amd', 'intel']
 182     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 183       _vulkan_drivers = []
 184     else
 185       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 186             host_machine.cpu_family()))
 187     endif
 188   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 189     # No vulkan driver supports windows or macOS currently
 190     _vulkan_drivers = []
 191   else
 192     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 193           host_machine.system()))
 194   endif
 195 endif
 196
 197 with_intel_vk = _vulkan_drivers.contains('intel')
 198 with_amd_vk = _vulkan_drivers.contains('amd')
 199 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 200
 201 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 202   error('Only one swrast provider can be built')
 203 endif
 204 if with_dri_i915 and with_gallium_i915
 205   error('Only one i915 provider can be built')
 206 endif
 207 if with_gallium_imx and not with_gallium_etnaviv
 208   error('IMX driver requires etnaviv driver')
 209 endif
 210 if with_gallium_pl111 and not with_gallium_vc4
 211   error('pl111 driver requires vc4 driver')
 212 endif
 213 if with_gallium_tegra and not with_gallium_nouveau
 214   error('tegra driver requires nouveau driver')
 215 endif
 216
 217 if host_machine.system() == 'darwin'
 218   with_dri_platform = 'apple'
 219 elif ['windows', 'cygwin'].contains(host_machine.system())
 220   with_dri_platform = 'windows'
 221 elif system_has_kms_drm
 222   with_dri_platform = 'drm'
 223 else
 224   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 225   # assert here that one of those cases has been met.
 226   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 227   # support Hurd at time of writing (2017/11)
 228   # FIXME: illumos ends up here as well
 229   with_dri_platform = 'none'
 230 endif
 231
 232 _platforms = get_option('platforms')
 233 if _platforms.contains('auto')
 234   if system_has_kms_drm
 235     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 236   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 237     _platforms = ['x11', 'surfaceless']
 238   elif ['haiku'].contains(host_machine.system())
 239     _platforms = ['haiku']
 240   else
 241     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 242           host_machine.system()))
 243   endif
 244 endif
 245
 246 with_platform_android = _platforms.contains('android')
 247 with_platform_x11 = _platforms.contains('x11')
 248 with_platform_wayland = _platforms.contains('wayland')
 249 with_platform_drm = _platforms.contains('drm')
 250 with_platform_haiku = _platforms.contains('haiku')
 251 with_platform_surfaceless = _platforms.contains('surfaceless')
 252
 253 with_platforms = false
 254 if _platforms.length() != 0 and _platforms != ['']
 255   with_platforms = true
 256   egl_native_platform = _platforms[0]
 257 endif
 258
 259 _xlib_lease = get_option('xlib-lease')
 260 if _xlib_lease == 'auto'
 261   with_xlib_lease = with_platform_x11 and with_platform_drm
 262 else
 263   with_xlib_lease = _xlib_lease == 'true'
 264 endif
 265
 266 with_glx = get_option('glx')
 267 if with_glx == 'auto'
 268   if with_dri
 269     with_glx = 'dri'
 270   elif with_platform_haiku
 271     with_glx = 'disabled'
 272   elif with_gallium
 273     # Even when building just gallium drivers the user probably wants dri
 274     with_glx = 'dri'
 275   elif with_platform_x11 and with_any_opengl and not with_any_vk
 276     # The automatic behavior should not be to turn on xlib based glx when
 277     # building only vulkan drivers
 278     with_glx = 'xlib'
 279   else
 280     with_glx = 'disabled'
 281   endif
 282 endif
 283 if with_glx == 'dri'
 284    if with_gallium
 285       with_dri = true
 286    endif
 287 endif
 288
 289 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 290   with_gles1 = false
 291   with_gles2 = false
 292   with_opengl = false
 293   with_any_opengl = false
 294   with_shared_glapi = false
 295 endif
 296
 297 _gbm = get_option('gbm')
 298 if _gbm == 'auto'
 299   with_gbm = system_has_kms_drm and with_dri
 300 else
 301   with_gbm = _gbm == 'true'
 302 endif
 303 if with_gbm and not system_has_kms_drm
 304   error('GBM only supports DRM/KMS platforms')
 305 endif
 306
 307 _egl = get_option('egl')
 308 if _egl == 'auto'
 309   with_egl = with_dri and with_shared_glapi and with_platforms
 310 elif _egl == 'true'
 311   if not with_dri
 312     error('EGL requires dri')
 313   elif not with_shared_glapi
 314     error('EGL requires shared-glapi')
 315   elif not with_platforms
 316     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 317   elif not ['disabled', 'dri'].contains(with_glx)
 318     error('EGL requires dri, but a GLX is being built without dri')
 319   endif
 320   with_egl = true
 321 else
 322   with_egl = false
 323 endif
 324
 325 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 326   if with_gallium_radeonsi
 327     error('RadeonSI requires drm or surfaceless platform when using EGL')
 328   endif
 329   if with_gallium_virgl
 330     error('Virgl requires drm or surfaceless platform when using EGL')
 331   endif
 332 endif
 333
 334 pre_args += '-DGLX_USE_TLS'
 335 if with_glx != 'disabled'
 336   if not (with_platform_x11 and with_any_opengl)
 337     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 338   elif with_glx == 'gallium-xlib'
 339     if not with_gallium
 340       error('Gallium-xlib based GLX requires at least one gallium driver')
 341     elif not with_gallium_softpipe
 342       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 343     elif with_dri
 344       error('gallium-xlib conflicts with any dri driver')
 345     endif
 346   elif with_glx == 'xlib'
 347     if with_dri
 348       error('xlib conflicts with any dri driver')
 349     endif
 350   elif with_glx == 'dri'
 351     if not with_dri
 352       error('dri based GLX requires at least one DRI driver')
 353     elif not with_shared_glapi
 354       error('dri based GLX requires shared-glapi')
 355     endif
 356   endif
 357 endif
 358
 359 with_glvnd = get_option('glvnd')
 360 if with_glvnd
 361   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 362     error('Cannot build glvnd support for GLX that is not DRI based.')
 363   elif with_glx == 'disabled' and not with_egl
 364     error('glvnd requires DRI based GLX and/or EGL')
 365   endif
 366 endif
 367
 368 # TODO: toggle for this
 369 with_glx_direct = true
 370
 371 if with_vulkan_icd_dir == ''
 372   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 373 endif
 374
 375 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 376 _dri3 = get_option('dri3')
 377 if _dri3 == 'auto'
 378   with_dri3 = system_has_kms_drm and with_dri2
 379 else
 380   with_dri3 = _dri3 == 'true'
 381 endif
 382
 383 if with_any_vk and (with_platform_x11 and not with_dri3)
 384   error('Vulkan drivers require dri3 for X11 support')
 385 endif
 386 if with_dri or with_gallium
 387   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 388     error('building dri or gallium drivers require at least one window system')
 389   endif
 390 endif
 391
 392 prog_pkgconfig = find_program('pkg-config')
 393
 394 _vdpau = get_option('gallium-vdpau')
 395 if not system_has_kms_drm
 396   if _vdpau == 'true'
 397     error('VDPAU state tracker can only be build on unix-like OSes.')
 398   else
 399     _vdpau = 'false'
 400   endif
 401 elif not with_platform_x11
 402   if _vdpau == 'true'
 403     error('VDPAU state tracker requires X11 support.')
 404   else
 405     _vdpau = 'false'
 406   endif
 407 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 408           with_gallium_nouveau)
 409   if _vdpau == 'true'
 410     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 411   else
 412     _vdpau = 'false'
 413   endif
 414 endif
 415 dep_vdpau = null_dep
 416 with_gallium_vdpau = false
 417 if _vdpau != 'false'
 418   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 419   if dep_vdpau.found()
 420     dep_vdpau = declare_dependency(
 421       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 422     )
 423     with_gallium_vdpau = true
 424   endif
 425 endif
 426
 427 if with_gallium_vdpau
 428   pre_args += '-DHAVE_ST_VDPAU'
 429 endif
 430 vdpau_drivers_path = get_option('vdpau-libs-path')
 431 if vdpau_drivers_path == ''
 432   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 433 endif
 434
 435 _xvmc = get_option('gallium-xvmc')
 436 if not system_has_kms_drm
 437   if _xvmc == 'true'
 438     error('XVMC state tracker can only be build on unix-like OSes.')
 439   else
 440     _xvmc = 'false'
 441   endif
 442 elif not with_platform_x11
 443   if _xvmc == 'true'
 444     error('XVMC state tracker requires X11 support.')
 445   else
 446     _xvmc = 'false'
 447   endif
 448 elif not (with_gallium_r600 or with_gallium_nouveau)
 449   if _xvmc == 'true'
 450     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 451   else
 452     _xvmc = 'false'
 453   endif
 454 endif
 455 dep_xvmc = null_dep
 456 with_gallium_xvmc = false
 457 if _xvmc != 'false'
 458   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 459   with_gallium_xvmc = dep_xvmc.found()
 460 endif
 461
 462 xvmc_drivers_path = get_option('xvmc-libs-path')
 463 if xvmc_drivers_path == ''
 464   xvmc_drivers_path = get_option('libdir')
 465 endif
 466
 467 _omx = get_option('gallium-omx')
 468 if not system_has_kms_drm
 469   if ['auto', 'disabled'].contains(_omx)
 470     _omx = 'disabled'
 471   else
 472     error('OMX state tracker can only be built on unix-like OSes.')
 473   endif
 474 elif not (with_platform_x11 or with_platform_drm)
 475   if ['auto', 'disabled'].contains(_omx)
 476     _omx = 'disabled'
 477   else
 478     error('OMX state tracker requires X11 or drm platform support.')
 479   endif
 480 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 481   if ['auto', 'disabled'].contains(_omx)
 482     _omx = 'disabled'
 483   else
 484     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 485   endif
 486 endif
 487 with_gallium_omx = _omx
 488 dep_omx = null_dep
 489 dep_omx_other = []
 490 if ['auto', 'bellagio'].contains(_omx)
 491   dep_omx = dependency(
 492     'libomxil-bellagio', required : _omx == 'bellagio'
 493   )
 494   if dep_omx.found()
 495     with_gallium_omx = 'bellagio'
 496   endif
 497 endif
 498 if ['auto', 'tizonia'].contains(_omx)
 499   if with_dri and with_egl
 500     dep_omx = dependency(
 501       'libtizonia', version : '>= 0.10.0',
 502       required : _omx == 'tizonia',
 503     )
 504     dep_omx_other = [
 505       dependency('libtizplatform', required : _omx == 'tizonia'),
 506       dependency('tizilheaders', required : _omx == 'tizonia'),
 507     ]
 508     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 509       with_gallium_omx = 'tizonia'
 510     endif
 511   elif _omx == 'tizonia'
 512     error('OMX-Tizonia state tracker requires dri and egl')
 513   endif
 514 endif
 515 if _omx == 'auto'
 516   with_gallium_omx = 'disabled'
 517 else
 518   with_gallium_omx = _omx
 519 endif
 520
 521 pre_args += [
 522   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 523   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 524 ]
 525
 526
 527 omx_drivers_path = get_option('omx-libs-path')
 528
 529 if with_gallium_omx != 'disabled'
 530   # Figure out where to put the omx driver.
 531   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 532   # argument to meson's get_pkgconfig_variable method.
 533   if omx_drivers_path == ''
 534     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 535     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 536     if _omx_libdir == get_option('libdir')
 537       omx_drivers_path = _omx_drivers_dir
 538     else
 539       _omx_base_dir = []
 540       # This will fail on windows. Does OMX run on windows?
 541       _omx_libdir = _omx_libdir.split('/')
 542       _omx_drivers_dir = _omx_drivers_dir.split('/')
 543       foreach o : _omx_drivers_dir
 544         if not _omx_libdir.contains(o)
 545           _omx_base_dir += o
 546         endif
 547       endforeach
 548       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 549     endif
 550   endif
 551 endif
 552
 553 _va = get_option('gallium-va')
 554 if not system_has_kms_drm
 555   if _va == 'true'
 556     error('VA state tracker can only be built on unix-like OSes.')
 557   else
 558     _va = 'false'
 559   endif
 560 elif not (with_platform_x11 or with_platform_drm)
 561   if _va == 'true'
 562     error('VA state tracker requires X11 or drm or wayland platform support.')
 563   else
 564     _va = 'false'
 565   endif
 566 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 567   if _va == 'true'
 568     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 569   else
 570     _va = 'false'
 571   endif
 572 endif
 573 with_gallium_va = false
 574 dep_va = null_dep
 575 if _va != 'false'
 576   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 577   if dep_va.found()
 578     dep_va_headers = declare_dependency(
 579       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 580     )
 581     with_gallium_va = true
 582   endif
 583 endif
 584
 585 va_drivers_path = get_option('va-libs-path')
 586 if va_drivers_path == ''
 587   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 588 endif
 589
 590 _xa = get_option('gallium-xa')
 591 if not system_has_kms_drm
 592   if _xa == 'true'
 593     error('XA state tracker can only be built on unix-like OSes.')
 594   else
 595     _xa = 'false'
 596   endif
 597 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 598           or with_gallium_svga)
 599   if _xa == 'true'
 600     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 601   else
 602     _xa = 'false'
 603   endif
 604 endif
 605 with_gallium_xa = _xa != 'false'
 606
 607 d3d_drivers_path = get_option('d3d-drivers-path')
 608 if d3d_drivers_path == ''
 609   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 610 endif
 611
 612 with_gallium_st_nine =  get_option('gallium-nine')
 613 if with_gallium_st_nine
 614   if not with_gallium_softpipe
 615     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 616   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 617             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 618     error('The nine state tracker requires at least on non-swrast gallium driver.')
 619   endif
 620   if not with_dri3
 621     error('Using nine with wine requires dri3')
 622   endif
 623 endif
 624
 625 if get_option('power8') != 'false'
 626   if host_machine.cpu_family() == 'ppc64le'
 627     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 628       error('Altivec is not supported with gcc version < 4.8.')
 629     endif
 630     if cc.compiles('''
 631         #include <altivec.h>
 632         int main() {
 633           vector unsigned char r;
 634           vector unsigned int v = vec_splat_u32 (1);
 635           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 636           return 0;
 637         }''',
 638         args : '-mpower8-vector',
 639         name : 'POWER8 intrinsics')
 640       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 641     elif get_option('power8') == 'true'
 642       error('POWER8 intrinsic support required but not found.')
 643     endif
 644   endif
 645 endif
 646
 647 _opencl = get_option('gallium-opencl')
 648 if _opencl != 'disabled'
 649   if not with_gallium
 650     error('OpenCL Clover implementation requires at least one gallium driver.')
 651   endif
 652
 653   dep_clc = dependency('libclc')
 654   with_gallium_opencl = true
 655   with_opencl_icd = _opencl == 'icd'
 656 else
 657   dep_clc = null_dep
 658   with_gallium_opencl = false
 659   with_gallium_icd = false
 660 endif
 661
 662 gl_pkgconfig_c_flags = []
 663 if with_platform_x11
 664   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 665     pre_args += '-DHAVE_X11_PLATFORM'
 666   endif
 667   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 668     pre_args += '-DUSE_XSHM'
 669   else
 670     pre_args += '-DGLX_INDIRECT_RENDERING'
 671     if with_glx_direct
 672       pre_args += '-DGLX_DIRECT_RENDERING'
 673     endif
 674     if with_dri_platform == 'drm'
 675       pre_args += '-DGLX_USE_DRM'
 676     elif with_dri_platform == 'apple'
 677       pre_args += '-DGLX_USE_APPLEGL'
 678     elif with_dri_platform == 'windows'
 679       pre_args += '-DGLX_USE_WINDOWSGL'
 680     endif
 681   endif
 682 else
 683   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 684   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 685 endif
 686 if with_platform_drm
 687   if with_egl and not with_gbm
 688     error('EGL drm platform requires gbm')
 689   endif
 690   pre_args += '-DHAVE_DRM_PLATFORM'
 691 endif
 692 if with_platform_surfaceless
 693   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 694 endif
 695 if with_platform_android
 696   dep_android = [
 697     dependency('cutils'),
 698     dependency('hardware'),
 699     dependency('sync'),
 700   ]
 701   pre_args += '-DHAVE_ANDROID_PLATFORM'
 702 endif
 703 if with_platform_haiku
 704   pre_args += '-DHAVE_HAIKU_PLATFORM'
 705 endif
 706
 707 prog_python = import('python3').find_python()
 708 has_mako = run_command(
 709   prog_python, '-c',
 710   '''
 711 from distutils.version import StrictVersion
 712 import mako
 713 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 714   ''')
 715 if has_mako.returncode() != 0
 716   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 717 endif
 718
 719 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 720   error('When using GCC, version 4.4.6 or later is required.')
 721 endif
 722
 723 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 724 if get_option('buildtype') == 'debug'
 725   pre_args += '-DDEBUG'
 726 endif
 727
 728 if get_option('shader-cache')
 729   pre_args += '-DENABLE_SHADER_CACHE'
 730 elif with_amd_vk
 731   error('Radv requires shader cache support')
 732 endif
 733
 734 # Check for GCC style builtins
 735 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 736              'ffsll', 'popcount', 'popcountll', 'unreachable']
 737   if cc.has_function(b)
 738     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 739   endif
 740 endforeach
 741
 742 # check for GCC __attribute__
 743 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 744              'warn_unused_result', 'weak',]
 745   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 746                  name : '__attribute__((@0@))'.format(a))
 747     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 748   endif
 749 endforeach
 750 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 751                name : '__attribute__((format(...)))')
 752   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 753 endif
 754 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 755                name : '__attribute__((packed))')
 756   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 757 endif
 758 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 759                name : '__attribute__((returns_nonnull))')
 760   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 761 endif
 762 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 763                   int foo_hid(void) __attribute__((visibility("hidden")));
 764                   int foo_int(void) __attribute__((visibility("internal")));
 765                   int foo_pro(void) __attribute__((visibility("protected")));''',
 766                name : '__attribute__((visibility(...)))')
 767   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 768 endif
 769 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 770                name : '__attribute__((alias(...)))')
 771   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 772 endif
 773 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 774                name : '__attribute__((__noreturn__))')
 775   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 776 endif
 777
 778 # TODO: this is very incomplete
 779 if ['linux', 'cygwin'].contains(host_machine.system())
 780   pre_args += '-D_GNU_SOURCE'
 781 endif
 782
 783 # Check for generic C arguments
 784 c_args = []
 785 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 786              '-Werror=missing-prototypes', '-fno-math-errno',
 787              '-fno-trapping-math', '-Qunused-arguments']
 788   if cc.has_argument(a)
 789     c_args += a
 790   endif
 791 endforeach
 792 if cc.has_argument('-Wmissing-field-initializers')
 793   c_args += '-Wno-missing-field-initializers'
 794 endif
 795
 796 c_vis_args = []
 797 if cc.has_argument('-fvisibility=hidden')
 798   c_vis_args += '-fvisibility=hidden'
 799 endif
 800
 801 # Check for generic C++ arguments
 802 cpp_args = []
 803 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 804              '-Qunused-arguments']
 805   if cpp.has_argument(a)
 806     cpp_args += a
 807   endif
 808 endforeach
 809
 810 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 811 # option is not supported. Hence, check for -Wfoo instead.
 812
 813 foreach a : ['non-virtual-dtor', 'missing-field-initializers']
 814   if cpp.has_argument('-W' + a)
 815     cpp_args += '-Wno-' + a
 816   endif
 817 endforeach
 818
 819 no_override_init_args = []
 820 foreach a : ['override-init', 'initializer-overrides']
 821   if cc.has_argument('-W' + a)
 822     no_override_init_args += '-Wno-' + a
 823   endif
 824 endforeach
 825
 826 cpp_vis_args = []
 827 if cpp.has_argument('-fvisibility=hidden')
 828   cpp_vis_args += '-fvisibility=hidden'
 829 endif
 830
 831 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 832 # in parts of the mesa code base that need to compile with old versions of
 833 # MSVC, mainly common code
 834 c_msvc_compat_args = []
 835 cpp_msvc_compat_args = []
 836 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 837   if cc.has_argument(a)
 838     c_msvc_compat_args += a
 839   endif
 840   if cpp.has_argument(a)
 841     cpp_msvc_compat_args += a
 842   endif
 843 endforeach
 844
 845 if host_machine.cpu_family().startswith('x86')
 846   pre_args += '-DUSE_SSE41'
 847   with_sse41 = true
 848   sse41_args = ['-msse4.1']
 849
 850   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 851   # that's not guaranteed
 852   if host_machine.cpu_family() == 'x86'
 853     sse41_args += '-mstackrealign'
 854   endif
 855 else
 856   with_sse41 = false
 857   sse41_args = []
 858 endif
 859
 860 # Check for GCC style atomics
 861 dep_atomic = null_dep
 862
 863 if cc.compiles('''#include <stdint.h>
 864                   int main() {
 865                     struct {
 866                       uint64_t *v;
 867                     } x;
 868                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 869                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 870
 871                   }''',
 872                name : 'GCC atomic builtins')
 873   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 874
 875   # Not all atomic calls can be turned into lock-free instructions, in which
 876   # GCC will make calls into the libatomic library. Check whether we need to
 877   # link with -latomic.
 878   #
 879   # This can happen for 64-bit atomic operations on 32-bit architectures such
 880   # as ARM.
 881   if not cc.links('''#include <stdint.h>
 882                      int main() {
 883                        struct {
 884                          uint64_t *v;
 885                        } x;
 886                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 887                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 888                      }''',
 889                   name : 'GCC atomic builtins required -latomic')
 890     dep_atomic = cc.find_library('atomic')
 891   endif
 892 endif
 893 if not cc.links('''#include <stdint.h>
 894                    uint64_t v;
 895                    int main() {
 896                      return __sync_add_and_fetch(&v, (uint64_t)1);
 897                    }''',
 898                 name : 'GCC 64bit atomics')
 899   pre_args += '-DMISSING_64_BIT_ATOMICS'
 900 endif
 901
 902 # TODO: shared/static? Is this even worth doing?
 903
 904 # When cross compiling we generally need to turn off the use of assembly,
 905 # because mesa's assembly relies on building an executable for the host system,
 906 # and running it to get information about struct sizes. There is at least one
 907 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 908 # host OS == build OS, since in that case the build machine can run the host's
 909 # binaries.
 910 if meson.is_cross_build()
 911   if build_machine.system() != host_machine.system()
 912     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 913     message('Cross compiling from one OS to another, disabling assembly.')
 914     with_asm = false
 915   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 916     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 917     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 918     # case.
 919     # TODO: There may be other cases where the 64 bit version of the
 920     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 921     message('''
 922       Cross compiling to different architectures, and the host cannot run
 923       the build machine's binaries. Disabling assembly.
 924     ''')
 925     with_asm = false
 926   endif
 927 endif
 928
 929 with_asm_arch = ''
 930 if with_asm
 931   if host_machine.cpu_family() == 'x86'
 932     if system_has_kms_drm
 933       with_asm_arch = 'x86'
 934       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 935                    '-DUSE_SSE_ASM']
 936
 937       if with_glx_read_only_text
 938          pre_args += ['-DGLX_X86_READONLY_TEXT']
 939       endif
 940     endif
 941   elif host_machine.cpu_family() == 'x86_64'
 942     if system_has_kms_drm
 943       with_asm_arch = 'x86_64'
 944       pre_args += ['-DUSE_X86_64_ASM']
 945     endif
 946   elif host_machine.cpu_family() == 'arm'
 947     if system_has_kms_drm
 948       with_asm_arch = 'arm'
 949       pre_args += ['-DUSE_ARM_ASM']
 950     endif
 951   elif host_machine.cpu_family() == 'aarch64'
 952     if system_has_kms_drm
 953       with_asm_arch = 'aarch64'
 954       pre_args += ['-DUSE_AARCH64_ASM']
 955     endif
 956   elif host_machine.cpu_family() == 'sparc64'
 957     if system_has_kms_drm
 958       with_asm_arch = 'sparc'
 959       pre_args += ['-DUSE_SPARC_ASM']
 960     endif
 961   elif host_machine.cpu_family() == 'ppc64le'
 962     if system_has_kms_drm
 963       with_asm_arch = 'ppc64le'
 964       pre_args += ['-DUSE_PPC64LE_ASM']
 965     endif
 966   endif
 967 endif
 968
 969 # Check for standard headers and functions
 970 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 971   pre_args += '-DMAJOR_IN_SYSMACROS'
 972 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 973   pre_args += '-DMAJOR_IN_MKDEV'
 974 endif
 975
 976 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
 977   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 978     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 979   endif
 980 endforeach
 981
 982 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 983   if cc.has_function(f)
 984     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 985   endif
 986 endforeach
 987
 988 # strtod locale support
 989 if cc.links('''
 990     #define _GNU_SOURCE
 991     #include <stdlib.h>
 992     #include <locale.h>
 993     #ifdef HAVE_XLOCALE_H
 994     #include <xlocale.h>
 995     #endif
 996     int main() {
 997       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 998       const char *s = "1.0";
 999       char *end;
1000       double d = strtod_l(s, end, loc);
1001       float f = strtof_l(s, end, loc);
1002       freelocale(loc);
1003       return 0;
1004     }''',
1005     args : pre_args,
1006     name : 'strtod has locale support')
1007   pre_args += '-DHAVE_STRTOD_L'
1008 endif
1009
1010 # Check for some linker flags
1011 ld_args_bsymbolic = []
1012 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1013   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1014 endif
1015 ld_args_gc_sections = []
1016 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1017             args : '-Wl,--gc-sections', name : 'gc-sections')
1018   ld_args_gc_sections += '-Wl,--gc-sections'
1019 endif
1020 with_ld_version_script = false
1021 if cc.links('int main() { return 0; }',
1022             args : '-Wl,--version-script=@0@'.format(
1023               join_paths(meson.source_root(), 'build-support/conftest.map')),
1024             name : 'version-script')
1025   with_ld_version_script = true
1026 endif
1027 with_ld_dynamic_list = false
1028 if cc.links('int main() { return 0; }',
1029             args : '-Wl,--dynamic-list=@0@'.format(
1030               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1031             name : 'dynamic-list')
1032   with_ld_dynamic_list = true
1033 endif
1034 ld_args_build_id = []
1035 if build_machine.system() != 'darwin'
1036    ld_args_build_id += '-Wl,--build-id=sha1'
1037 endif
1038
1039 # check for dl support
1040 if cc.has_function('dlopen')
1041   dep_dl = null_dep
1042 else
1043   dep_dl = cc.find_library('dl')
1044 endif
1045 if cc.has_function('dladdr', dependencies : dep_dl)
1046   # This is really only required for megadrivers
1047   pre_args += '-DHAVE_DLADDR'
1048 endif
1049
1050 if cc.has_function('dl_iterate_phdr')
1051   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1052 elif with_intel_vk
1053   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1054 elif with_dri_i965 and get_option('shader-cache')
1055   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1056 endif
1057
1058 # Determine whether or not the rt library is needed for time functions
1059 if cc.has_function('clock_gettime')
1060   dep_clock = null_dep
1061 else
1062   dep_clock = cc.find_library('rt')
1063 endif
1064
1065 # TODO: some of these may be conditional
1066 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1067 pre_args += '-DHAVE_ZLIB'
1068 dep_thread = dependency('threads')
1069 if dep_thread.found() and host_machine.system() != 'windows'
1070   pre_args += '-DHAVE_PTHREAD'
1071   if cc.has_function(
1072       'pthread_setaffinity_np',
1073       dependencies : dep_thread,
1074       prefix : '#include <pthread.h>',
1075       args : '-D_GNU_SOURCE')
1076     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1077   endif
1078 endif
1079 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1080   dep_elf = dependency('libelf', required : false)
1081   if not dep_elf.found()
1082     dep_elf = cc.find_library('elf')
1083   endif
1084 else
1085   dep_elf = null_dep
1086 endif
1087 dep_expat = dependency('expat')
1088 # this only exists on linux so either this is linux and it will be found, or
1089 # its not linux and and wont
1090 dep_m = cc.find_library('m', required : false)
1091
1092 # Check for libdrm. various drivers have different libdrm version requirements,
1093 # but we always want to use the same version for all libdrm modules. That means
1094 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1095 # bar are both on use 2.4.3 for both of them
1096 dep_libdrm_amdgpu = null_dep
1097 dep_libdrm_radeon = null_dep
1098 dep_libdrm_nouveau = null_dep
1099 dep_libdrm_etnaviv = null_dep
1100 dep_libdrm_freedreno = null_dep
1101 dep_libdrm_intel = null_dep
1102
1103 _drm_amdgpu_ver = '2.4.93'
1104 _drm_radeon_ver = '2.4.71'
1105 _drm_nouveau_ver = '2.4.66'
1106 _drm_etnaviv_ver = '2.4.89'
1107 _drm_freedreno_ver = '2.4.93'
1108 _drm_intel_ver = '2.4.75'
1109 _drm_ver = '2.4.75'
1110
1111 _libdrm_checks = [
1112   ['intel', with_dri_i915 or with_gallium_i915],
1113   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1114   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1115               with_gallium_r300 or with_gallium_r600)],
1116   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1117   ['etnaviv', with_gallium_etnaviv],
1118   ['freedreno', with_gallium_freedreno],
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', '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', 'opencl']
1177 endif
1178
1179 if with_amd_vk or with_gallium_radeonsi
1180   _llvm_version = '>= 6.0.0'
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 dep_glvnd = null_dep
1234 if with_glvnd
1235   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1236   pre_args += '-DUSE_LIBGLVND=1'
1237 endif
1238
1239 if with_valgrind != 'false'
1240   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1241   if dep_valgrind.found()
1242     pre_args += '-DHAVE_VALGRIND'
1243   endif
1244 else
1245   dep_valgrind = null_dep
1246 endif
1247
1248 # pthread stubs. Lets not and say we didn't
1249
1250 prog_bison = find_program('bison', required : with_any_opengl)
1251 prog_flex = find_program('flex', required : with_any_opengl)
1252
1253 dep_selinux = null_dep
1254 if get_option('selinux')
1255   dep_selinux = dependency('libselinux')
1256   pre_args += '-DMESA_SELINUX'
1257 endif
1258
1259 if with_libunwind != 'false'
1260   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1261   if dep_unwind.found()
1262     pre_args += '-DHAVE_LIBUNWIND'
1263   endif
1264 else
1265   dep_unwind = null_dep
1266 endif
1267
1268 if with_osmesa != 'none'
1269   if with_osmesa == 'classic' and not with_dri_swrast
1270     error('OSMesa classic requires dri (classic) swrast.')
1271   endif
1272   if with_osmesa == 'gallium' and not with_gallium_softpipe
1273     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1274   endif
1275   osmesa_lib_name = 'OSMesa'
1276   osmesa_bits = get_option('osmesa-bits')
1277   if osmesa_bits != '8'
1278     if with_dri or with_glx != 'disabled'
1279       error('OSMesa bits must be 8 if building glx or dir based drivers')
1280     endif
1281     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1282     pre_args += [
1283       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1284     ]
1285   endif
1286 endif
1287
1288 # TODO: symbol mangling
1289
1290 if with_platform_wayland
1291   dep_wl_scanner = dependency('wayland-scanner', native: true)
1292   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1293   if dep_wl_scanner.version().version_compare('>= 1.15')
1294     wl_scanner_arg = 'private-code'
1295   else
1296     wl_scanner_arg = 'code'
1297   endif
1298   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1299   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1300   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1301   if with_egl
1302     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1303     dep_wayland_egl_headers = declare_dependency(
1304       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1305   endif
1306   wayland_dmabuf_xml = join_paths(
1307     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1308     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1309   )
1310   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1311 else
1312   prog_wl_scanner = []
1313   wl_scanner_arg = ''
1314   dep_wl_protocols = null_dep
1315   dep_wayland_client = null_dep
1316   dep_wayland_server = null_dep
1317   wayland_dmabuf_xml = ''
1318 endif
1319
1320 dep_x11 = null_dep
1321 dep_xext = null_dep
1322 dep_xdamage = null_dep
1323 dep_xfixes = null_dep
1324 dep_x11_xcb = null_dep
1325 dep_xcb = null_dep
1326 dep_xcb_glx = null_dep
1327 dep_xcb_dri2 = null_dep
1328 dep_xcb_dri3 = null_dep
1329 dep_dri2proto = null_dep
1330 dep_glproto = null_dep
1331 dep_xxf86vm = null_dep
1332 dep_xcb_dri3 = null_dep
1333 dep_xcb_present = null_dep
1334 dep_xcb_sync = null_dep
1335 dep_xcb_xfixes = null_dep
1336 dep_xshmfence = null_dep
1337 dep_xcb_xrandr = null_dep
1338 dep_xlib_xrandr = null_dep
1339 if with_platform_x11
1340   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1341     dep_x11 = dependency('x11')
1342     dep_xext = dependency('xext')
1343     dep_xcb = dependency('xcb')
1344   elif with_glx == 'dri'
1345     dep_x11 = dependency('x11')
1346     dep_xext = dependency('xext')
1347     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1348     dep_xfixes = dependency('xfixes')
1349     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1350     dep_xxf86vm = dependency('xxf86vm', required : false)
1351   endif
1352   if (with_any_vk or with_glx == 'dri' or
1353        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1354         with_gallium_omx != 'disabled'))
1355     dep_xcb = dependency('xcb')
1356     dep_x11_xcb = dependency('x11-xcb')
1357   endif
1358   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1359     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1360
1361     if with_dri3
1362       pre_args += '-DHAVE_DRI3'
1363       dep_xcb_dri3 = dependency('xcb-dri3')
1364       dep_xcb_present = dependency('xcb-present')
1365       # until xcb-dri3 has been around long enough to make a hard-dependency:
1366       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1367           dep_xcb_present.version().version_compare('>= 1.13'))
1368         pre_args += '-DHAVE_DRI3_MODIFIERS'
1369       endif
1370       dep_xcb_sync = dependency('xcb-sync')
1371       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1372     endif
1373   endif
1374   if with_glx == 'dri'
1375     if with_dri_platform == 'drm'
1376       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1377     endif
1378     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1379   endif
1380   if (with_egl or (
1381       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1382       with_gallium_omx != 'disabled'))
1383     dep_xcb_xfixes = dependency('xcb-xfixes')
1384   endif
1385   if with_xlib_lease
1386     dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1387     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1388   endif
1389 endif
1390
1391 if get_option('gallium-extra-hud')
1392   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1393 endif
1394
1395 _sensors = get_option('lmsensors')
1396 if _sensors != 'false'
1397   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1398   if dep_lmsensors.found()
1399     pre_args += '-DHAVE_LIBSENSORS=1'
1400   endif
1401 else
1402   dep_lmsensors = null_dep
1403 endif
1404
1405 foreach a : pre_args
1406   add_project_arguments(a, language : ['c', 'cpp'])
1407 endforeach
1408 foreach a : c_args
1409   add_project_arguments(a, language : ['c'])
1410 endforeach
1411 foreach a : cpp_args
1412   add_project_arguments(a, language : ['cpp'])
1413 endforeach
1414
1415 inc_include = include_directories('include')
1416
1417 gl_priv_reqs = []
1418
1419 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1420   gl_priv_reqs += ['x11', 'xext', 'xcb']
1421 elif with_glx == 'dri'
1422   gl_priv_reqs += [
1423     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1424     'xcb-glx >= 1.8.1']
1425   if with_dri_platform == 'drm'
1426     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1427   endif
1428 endif
1429 if dep_libdrm.found()
1430   gl_priv_reqs += 'libdrm >= 2.4.75'
1431 endif
1432 if dep_xxf86vm.found()
1433   gl_priv_reqs += 'xxf86vm'
1434 endif
1435
1436 gl_priv_libs = []
1437 if dep_thread.found()
1438   gl_priv_libs += ['-lpthread', '-pthread']
1439 endif
1440 if dep_m.found()
1441   gl_priv_libs += '-lm'
1442 endif
1443 if dep_dl.found()
1444   gl_priv_libs += '-ldl'
1445 endif
1446
1447 pkg = import('pkgconfig')
1448
1449 env_test = environment()
1450 env_test.set('NM', find_program('nm').path())
1451
1452 subdir('include')
1453 subdir('bin')
1454 subdir('src')