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 : '>= 0.44.1',
  29   default_options : ['buildtype=debugoptimized', '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     else
 183       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 184             host_machine.cpu_family()))
 185     endif
 186   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 187     # No vulkan driver supports windows or macOS currently
 188     _vulkan_drivers = []
 189   else
 190     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 191           host_machine.system()))
 192   endif
 193 endif
 194
 195 with_intel_vk = _vulkan_drivers.contains('intel')
 196 with_amd_vk = _vulkan_drivers.contains('amd')
 197 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 198
 199 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 200   error('Only one swrast provider can be built')
 201 endif
 202 if with_dri_i915 and with_gallium_i915
 203   error('Only one i915 provider can be built')
 204 endif
 205 if with_gallium_imx and not with_gallium_etnaviv
 206   error('IMX driver requires etnaviv driver')
 207 endif
 208 if with_gallium_pl111 and not with_gallium_vc4
 209   error('pl111 driver requires vc4 driver')
 210 endif
 211 if with_gallium_tegra and not with_gallium_nouveau
 212   error('tegra driver requires nouveau driver')
 213 endif
 214
 215 if host_machine.system() == 'darwin'
 216   with_dri_platform = 'apple'
 217 elif ['windows', 'cygwin'].contains(host_machine.system())
 218   with_dri_platform = 'windows'
 219 elif system_has_kms_drm
 220   with_dri_platform = 'drm'
 221 else
 222   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 223   # assert here that one of those cases has been met.
 224   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 225   # support Hurd at time of writing (2017/11)
 226   # FIXME: illumos ends up here as well
 227   with_dri_platform = 'none'
 228 endif
 229
 230 _platforms = get_option('platforms')
 231 if _platforms.contains('auto')
 232   if system_has_kms_drm
 233     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 234   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 235     _platforms = ['x11', 'surfaceless']
 236   elif ['haiku'].contains(host_machine.system())
 237     _platforms = ['haiku']
 238   else
 239     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 240           host_machine.system()))
 241   endif
 242 endif
 243
 244 with_platform_android = _platforms.contains('android')
 245 with_platform_x11 = _platforms.contains('x11')
 246 with_platform_wayland = _platforms.contains('wayland')
 247 with_platform_drm = _platforms.contains('drm')
 248 with_platform_haiku = _platforms.contains('haiku')
 249 with_platform_surfaceless = _platforms.contains('surfaceless')
 250
 251 with_platforms = false
 252 if _platforms.length() != 0 and _platforms != ['']
 253   with_platforms = true
 254   egl_native_platform = _platforms[0]
 255 endif
 256
 257 _xlib_lease = get_option('xlib-lease')
 258 if _xlib_lease == 'auto'
 259   with_xlib_lease = with_platform_x11 and with_platform_drm
 260 else
 261   with_xlib_lease = _xlib_lease == 'true'
 262 endif
 263
 264 with_glx = get_option('glx')
 265 if with_glx == 'auto'
 266   if with_dri
 267     with_glx = 'dri'
 268   elif with_platform_haiku
 269     with_glx = 'disabled'
 270   elif with_gallium
 271     # Even when building just gallium drivers the user probably wants dri
 272     with_glx = 'dri'
 273   elif with_platform_x11 and with_any_opengl and not with_any_vk
 274     # The automatic behavior should not be to turn on xlib based glx when
 275     # building only vulkan drivers
 276     with_glx = 'xlib'
 277   else
 278     with_glx = 'disabled'
 279   endif
 280 endif
 281 if with_glx == 'dri'
 282    if with_gallium
 283       with_dri = true
 284    endif
 285 endif
 286
 287 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 288   with_gles1 = false
 289   with_gles2 = false
 290   with_opengl = false
 291   with_any_opengl = false
 292   with_shared_glapi = false
 293 endif
 294
 295 _gbm = get_option('gbm')
 296 if _gbm == 'auto'
 297   with_gbm = system_has_kms_drm and with_dri
 298 else
 299   with_gbm = _gbm == 'true'
 300 endif
 301 if with_gbm and not system_has_kms_drm
 302   error('GBM only supports DRM/KMS platforms')
 303 endif
 304
 305 _egl = get_option('egl')
 306 if _egl == 'auto'
 307   with_egl = with_dri and with_shared_glapi and with_platforms
 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   endif
 318   with_egl = true
 319 else
 320   with_egl = false
 321 endif
 322
 323 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 324   if with_gallium_radeonsi
 325     error('RadeonSI requires drm or surfaceless platform when using EGL')
 326   endif
 327   if with_gallium_virgl
 328     error('Virgl requires drm or surfaceless platform when using EGL')
 329   endif
 330 endif
 331
 332 pre_args += '-DGLX_USE_TLS'
 333 if with_glx != 'disabled'
 334   if not (with_platform_x11 and with_any_opengl)
 335     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 336   elif with_glx == 'gallium-xlib'
 337     if not with_gallium
 338       error('Gallium-xlib based GLX requires at least one gallium driver')
 339     elif not with_gallium_softpipe
 340       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 341     elif with_dri
 342       error('gallium-xlib conflicts with any dri driver')
 343     endif
 344   elif with_glx == 'xlib'
 345     if with_dri
 346       error('xlib conflicts with any dri driver')
 347     endif
 348   elif with_glx == 'dri'
 349     if not with_dri
 350       error('dri based GLX requires at least one DRI driver')
 351     elif not with_shared_glapi
 352       error('dri based GLX requires shared-glapi')
 353     endif
 354   endif
 355 endif
 356
 357 with_glvnd = get_option('glvnd')
 358 if with_glvnd
 359   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 360     error('Cannot build glvnd support for GLX that is not DRI based.')
 361   elif with_glx == 'disabled' and not with_egl
 362     error('glvnd requires DRI based GLX and/or EGL')
 363   endif
 364 endif
 365
 366 # TODO: toggle for this
 367 with_glx_direct = true
 368
 369 if with_vulkan_icd_dir == ''
 370   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 371 endif
 372
 373 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 374 _dri3 = get_option('dri3')
 375 if _dri3 == 'auto'
 376   with_dri3 = system_has_kms_drm and with_dri2
 377 else
 378   with_dri3 = _dri3 == 'true'
 379 endif
 380
 381 if with_any_vk and (with_platform_x11 and not with_dri3)
 382   error('Vulkan drivers require dri3 for X11 support')
 383 endif
 384 if with_dri or with_gallium
 385   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 386     error('building dri or gallium drivers require at least one window system')
 387   endif
 388 endif
 389
 390 prog_pkgconfig = find_program('pkg-config')
 391
 392 _vdpau = get_option('gallium-vdpau')
 393 if not system_has_kms_drm
 394   if _vdpau == 'true'
 395     error('VDPAU state tracker can only be build on unix-like OSes.')
 396   else
 397     _vdpau = 'false'
 398   endif
 399 elif not with_platform_x11
 400   if _vdpau == 'true'
 401     error('VDPAU state tracker requires X11 support.')
 402   else
 403     _vdpau = 'false'
 404   endif
 405 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 406           with_gallium_nouveau)
 407   if _vdpau == 'true'
 408     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 409   else
 410     _vdpau = 'false'
 411   endif
 412 endif
 413 dep_vdpau = null_dep
 414 with_gallium_vdpau = false
 415 if _vdpau != 'false'
 416   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 417   if dep_vdpau.found()
 418     dep_vdpau = declare_dependency(
 419       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 420     )
 421     with_gallium_vdpau = true
 422   endif
 423 endif
 424
 425 if with_gallium_vdpau
 426   pre_args += '-DHAVE_ST_VDPAU'
 427 endif
 428 vdpau_drivers_path = get_option('vdpau-libs-path')
 429 if vdpau_drivers_path == ''
 430   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 431 endif
 432
 433 _xvmc = get_option('gallium-xvmc')
 434 if not system_has_kms_drm
 435   if _xvmc == 'true'
 436     error('XVMC state tracker can only be build on unix-like OSes.')
 437   else
 438     _xvmc = 'false'
 439   endif
 440 elif not with_platform_x11
 441   if _xvmc == 'true'
 442     error('XVMC state tracker requires X11 support.')
 443   else
 444     _xvmc = 'false'
 445   endif
 446 elif not (with_gallium_r600 or with_gallium_nouveau)
 447   if _xvmc == 'true'
 448     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 449   else
 450     _xvmc = 'false'
 451   endif
 452 endif
 453 dep_xvmc = null_dep
 454 with_gallium_xvmc = false
 455 if _xvmc != 'false'
 456   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 457   with_gallium_xvmc = dep_xvmc.found()
 458 endif
 459
 460 xvmc_drivers_path = get_option('xvmc-libs-path')
 461 if xvmc_drivers_path == ''
 462   xvmc_drivers_path = get_option('libdir')
 463 endif
 464
 465 _omx = get_option('gallium-omx')
 466 if not system_has_kms_drm
 467   if ['auto', 'disabled'].contains(_omx)
 468     _omx = 'disabled'
 469   else
 470     error('OMX state tracker can only be built on unix-like OSes.')
 471   endif
 472 elif not (with_platform_x11 or with_platform_drm)
 473   if ['auto', 'disabled'].contains(_omx)
 474     _omx = 'disabled'
 475   else
 476     error('OMX state tracker requires X11 or drm platform support.')
 477   endif
 478 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 479   if ['auto', 'disabled'].contains(_omx)
 480     _omx = 'disabled'
 481   else
 482     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 483   endif
 484 endif
 485 with_gallium_omx = _omx
 486 dep_omx = null_dep
 487 dep_omx_other = []
 488 if ['auto', 'bellagio'].contains(_omx)
 489   dep_omx = dependency(
 490     'libomxil-bellagio', required : _omx == 'bellagio'
 491   )
 492   if dep_omx.found()
 493     with_gallium_omx = 'bellagio'
 494   endif
 495 endif
 496 if ['auto', 'tizonia'].contains(_omx)
 497   if with_dri and with_egl
 498     dep_omx = dependency(
 499       'libtizonia', version : '>= 0.10.0',
 500       required : _omx == 'tizonia',
 501     )
 502     dep_omx_other = [
 503       dependency('libtizplatform', required : _omx == 'tizonia'),
 504       dependency('tizilheaders', required : _omx == 'tizonia'),
 505     ]
 506     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 507       with_gallium_omx = 'tizonia'
 508     endif
 509   elif _omx == 'tizonia'
 510     error('OMX-Tizonia state tracker requires dri and egl')
 511   endif
 512 endif
 513 if _omx == 'auto'
 514   with_gallium_omx = 'disabled'
 515 else
 516   with_gallium_omx = _omx
 517 endif
 518
 519 pre_args += [
 520   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 521   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 522 ]
 523
 524
 525 omx_drivers_path = get_option('omx-libs-path')
 526
 527 if with_gallium_omx != 'disabled'
 528   # Figure out where to put the omx driver.
 529   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 530   # argument to meson's get_pkgconfig_variable method.
 531   if omx_drivers_path == ''
 532     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 533     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 534     if _omx_libdir == get_option('libdir')
 535       omx_drivers_path = _omx_drivers_dir
 536     else
 537       _omx_base_dir = []
 538       # This will fail on windows. Does OMX run on windows?
 539       _omx_libdir = _omx_libdir.split('/')
 540       _omx_drivers_dir = _omx_drivers_dir.split('/')
 541       foreach o : _omx_drivers_dir
 542         if not _omx_libdir.contains(o)
 543           _omx_base_dir += o
 544         endif
 545       endforeach
 546       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 547     endif
 548   endif
 549 endif
 550
 551 _va = get_option('gallium-va')
 552 if not system_has_kms_drm
 553   if _va == 'true'
 554     error('VA state tracker can only be built on unix-like OSes.')
 555   else
 556     _va = 'false'
 557   endif
 558 elif not (with_platform_x11 or with_platform_drm)
 559   if _va == 'true'
 560     error('VA state tracker requires X11 or drm or wayland platform support.')
 561   else
 562     _va = 'false'
 563   endif
 564 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 565   if _va == 'true'
 566     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 567   else
 568     _va = 'false'
 569   endif
 570 elif _va == 'auto'
 571   _va = 'true'
 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 endif
1072 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1073   dep_elf = dependency('libelf', required : false)
1074   if not dep_elf.found()
1075     dep_elf = cc.find_library('elf')
1076   endif
1077 else
1078   dep_elf = null_dep
1079 endif
1080 dep_expat = dependency('expat')
1081 # this only exists on linux so either this is linux and it will be found, or
1082 # its not linux and and wont
1083 dep_m = cc.find_library('m', required : false)
1084
1085 # Check for libdrm. various drivers have different libdrm version requirements,
1086 # but we always want to use the same version for all libdrm modules. That means
1087 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1088 # bar are both on use 2.4.3 for both of them
1089 dep_libdrm_amdgpu = null_dep
1090 dep_libdrm_radeon = null_dep
1091 dep_libdrm_nouveau = null_dep
1092 dep_libdrm_etnaviv = null_dep
1093 dep_libdrm_freedreno = null_dep
1094 dep_libdrm_intel = null_dep
1095
1096 _drm_amdgpu_ver = '2.4.93'
1097 _drm_radeon_ver = '2.4.71'
1098 _drm_nouveau_ver = '2.4.66'
1099 _drm_etnaviv_ver = '2.4.89'
1100 _drm_freedreno_ver = '2.4.93'
1101 _drm_intel_ver = '2.4.75'
1102 _drm_ver = '2.4.75'
1103
1104 _libdrm_checks = [
1105   ['intel', with_dri_i915 or with_gallium_i915],
1106   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1107   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1108               with_gallium_r300 or with_gallium_r600)],
1109   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1110   ['etnaviv', with_gallium_etnaviv],
1111   ['freedreno', with_gallium_freedreno],
1112 ]
1113
1114 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1115 # library.
1116 if with_gallium_vc4
1117   _drm_ver = '2.4.89'
1118 endif
1119
1120 # Loop over the enables versions and get the highest libdrm requirement for all
1121 # active drivers.
1122 foreach d : _libdrm_checks
1123   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1124   if d[1] and ver.version_compare('>' + _drm_ver)
1125     _drm_ver = ver
1126   endif
1127 endforeach
1128
1129 # Then get each libdrm module
1130 foreach d : _libdrm_checks
1131   if d[1]
1132     set_variable(
1133       'dep_libdrm_' + d[0],
1134       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1135     )
1136   endif
1137 endforeach
1138
1139 with_gallium_drisw_kms = false
1140 dep_libdrm = dependency(
1141   'libdrm', version : '>=' + _drm_ver,
1142   required : with_dri2 or with_dri3
1143 )
1144 if dep_libdrm.found()
1145   pre_args += '-DHAVE_LIBDRM'
1146   if with_dri_platform == 'drm' and with_dri
1147     with_gallium_drisw_kms = true
1148   endif
1149 endif
1150
1151 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1152 llvm_optional_modules = []
1153 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1154   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1155   if with_gallium_r600
1156     llvm_modules += 'asmparser'
1157   endif
1158 endif
1159 if with_gallium_opencl
1160   llvm_modules += [
1161     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1162     'lto', 'option', 'objcarcopts', 'profiledata',
1163   ]
1164   llvm_optional_modules += ['coroutines', 'opencl']
1165 endif
1166
1167 if with_amd_vk or with_gallium_radeonsi
1168   _llvm_version = '>= 6.0.0'
1169 elif with_gallium_swr
1170   _llvm_version = '>= 6.0.0'
1171 elif with_gallium_opencl or with_gallium_r600
1172   _llvm_version = '>= 3.9.0'
1173 else
1174   _llvm_version = '>= 3.3.0'
1175 endif
1176
1177 _llvm = get_option('llvm')
1178 if _llvm == 'auto'
1179   dep_llvm = dependency(
1180     'llvm',
1181     version : _llvm_version,
1182     modules : llvm_modules,
1183     optional_modules : llvm_optional_modules,
1184     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1185   )
1186   with_llvm = dep_llvm.found()
1187 elif _llvm == 'true'
1188   dep_llvm = dependency(
1189     'llvm',
1190     version : _llvm_version,
1191     modules : llvm_modules,
1192     optional_modules : llvm_optional_modules,
1193   )
1194   with_llvm = true
1195 else
1196   dep_llvm = null_dep
1197   with_llvm = false
1198 endif
1199 if with_llvm
1200   _llvm_version = dep_llvm.version().split('.')
1201   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1202   # that for our version checks.
1203   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1204   # strippped as of 0.44, but we support older meson versions.
1205
1206   # 3 digits versions in LLVM only started from 3.4.1 on
1207   if dep_llvm.version().version_compare('>= 3.4.1')
1208     _llvm_patch = _llvm_version[2]
1209   else
1210     _llvm_patch = '0'
1211   endif
1212
1213   if _llvm_patch.endswith('svn')
1214     _llvm_patch = _llvm_patch.split('s')[0]
1215   elif _llvm_patch.contains('git')
1216     _llvm_patch = _llvm_patch.split('g')[0]
1217   endif
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')