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']
  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. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 106     endif
 107   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 108     # only swrast would make sense here, but gallium swrast is a much better default
 109     _drivers = []
 110   else
 111     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 112   endif
 113 endif
 114
 115 with_dri_i915 = _drivers.contains('i915')
 116 with_dri_i965 = _drivers.contains('i965')
 117 with_dri_r100 = _drivers.contains('r100')
 118 with_dri_r200 = _drivers.contains('r200')
 119 with_dri_nouveau = _drivers.contains('nouveau')
 120 with_dri_swrast = _drivers.contains('swrast')
 121
 122 with_dri = _drivers.length() != 0 and _drivers != ['']
 123
 124 _drivers = get_option('gallium-drivers')
 125 if _drivers.contains('auto')
 126   if system_has_kms_drm
 127     # TODO: PPC, Sparc
 128     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 129       _drivers = [
 130         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 131       ]
 132     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 133       _drivers = [
 134         'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
 135         'tegra', 'virgl', 'swrast',
 136       ]
 137     else
 138       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 139     endif
 140   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 141     _drivers = ['swrast']
 142   else
 143     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 144   endif
 145 endif
 146 with_gallium_pl111 = _drivers.contains('pl111')
 147 with_gallium_radeonsi = _drivers.contains('radeonsi')
 148 with_gallium_r300 = _drivers.contains('r300')
 149 with_gallium_r600 = _drivers.contains('r600')
 150 with_gallium_nouveau = _drivers.contains('nouveau')
 151 with_gallium_freedreno = _drivers.contains('freedreno')
 152 with_gallium_softpipe = _drivers.contains('swrast')
 153 with_gallium_vc4 = _drivers.contains('vc4')
 154 with_gallium_v3d = _drivers.contains('v3d')
 155 with_gallium_etnaviv = _drivers.contains('etnaviv')
 156 with_gallium_imx = _drivers.contains('imx')
 157 with_gallium_tegra = _drivers.contains('tegra')
 158 with_gallium_i915 = _drivers.contains('i915')
 159 with_gallium_svga = _drivers.contains('svga')
 160 with_gallium_virgl = _drivers.contains('virgl')
 161 with_gallium_swr = _drivers.contains('swr')
 162
 163 with_gallium = _drivers.length() != 0 and _drivers != ['']
 164
 165 if with_gallium and system_has_kms_drm
 166   _glx = get_option('glx')
 167   _egl = get_option('egl')
 168   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 169     with_dri = true
 170   endif
 171 endif
 172
 173 _vulkan_drivers = get_option('vulkan-drivers')
 174 if _vulkan_drivers.contains('auto')
 175   if system_has_kms_drm
 176     if host_machine.cpu_family().startswith('x86')
 177       _vulkan_drivers = ['amd', 'intel']
 178     else
 179       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 180     endif
 181   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 182     # No vulkan driver supports windows or macOS currently
 183     _vulkan_drivers = []
 184   else
 185     error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 186   endif
 187 endif
 188
 189 with_intel_vk = _vulkan_drivers.contains('intel')
 190 with_amd_vk = _vulkan_drivers.contains('amd')
 191 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 192
 193 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 194   error('Only one swrast provider can be built')
 195 endif
 196 if with_dri_i915 and with_gallium_i915
 197   error('Only one i915 provider can be built')
 198 endif
 199 if with_gallium_imx and not with_gallium_etnaviv
 200   error('IMX driver requires etnaviv driver')
 201 endif
 202 if with_gallium_pl111 and not with_gallium_vc4
 203   error('pl111 driver requires vc4 driver')
 204 endif
 205 if with_gallium_tegra and not with_gallium_nouveau
 206   error('tegra driver requires nouveau driver')
 207 endif
 208
 209 if host_machine.system() == 'darwin'
 210   with_dri_platform = 'apple'
 211 elif ['windows', 'cygwin'].contains(host_machine.system())
 212   with_dri_platform = 'windows'
 213 elif system_has_kms_drm
 214   with_dri_platform = 'drm'
 215 else
 216   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 217   # assert here that one of those cases has been met.
 218   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 219   # support Hurd at time of writing (2017/11)
 220   # FIXME: illumos ends up here as well
 221   with_dri_platform = 'none'
 222 endif
 223
 224 _platforms = get_option('platforms')
 225 if _platforms.contains('auto')
 226   if system_has_kms_drm
 227     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 228   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 229     _platforms = ['x11', 'surfaceless']
 230   elif ['haiku'].contains(host_machine.system())
 231     _platforms = ['haiku']
 232   else
 233     error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
 234   endif
 235 endif
 236
 237 with_platform_android = _platforms.contains('android')
 238 with_platform_x11 = _platforms.contains('x11')
 239 with_platform_wayland = _platforms.contains('wayland')
 240 with_platform_drm = _platforms.contains('drm')
 241 with_platform_haiku = _platforms.contains('haiku')
 242 with_platform_surfaceless = _platforms.contains('surfaceless')
 243
 244 with_platforms = false
 245 if _platforms.length() != 0 and _platforms != ['']
 246   with_platforms = true
 247   egl_native_platform = _platforms[0]
 248 endif
 249
 250 _xlib_lease = get_option('xlib-lease')
 251 if _xlib_lease == 'auto'
 252   with_xlib_lease = with_platform_x11 and with_platform_drm
 253 else
 254   with_xlib_lease = _xlib_lease == 'true'
 255 endif
 256
 257 with_glx = get_option('glx')
 258 if with_glx == 'auto'
 259   if with_dri
 260     with_glx = 'dri'
 261   elif with_platform_haiku
 262     with_glx = 'disabled'
 263   elif with_gallium
 264     # Even when building just gallium drivers the user probably wants dri
 265     with_glx = 'dri'
 266     with_dri = true
 267   elif with_platform_x11 and with_any_opengl and not with_any_vk
 268     # The automatic behavior should not be to turn on xlib based glx when
 269     # building only vulkan drivers
 270     with_glx = 'xlib'
 271   else
 272     with_glx = 'disabled'
 273   endif
 274 endif
 275
 276 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 277   with_gles1 = false
 278   with_gles2 = false
 279   with_opengl = false
 280   with_any_opengl = false
 281   with_shared_glapi = false
 282 endif
 283
 284 _gbm = get_option('gbm')
 285 if _gbm == 'auto'
 286   with_gbm = system_has_kms_drm and with_dri
 287 else
 288   with_gbm = _gbm == 'true'
 289 endif
 290 if with_gbm and not system_has_kms_drm
 291   error('GBM only supports DRM/KMS platforms')
 292 endif
 293
 294 _egl = get_option('egl')
 295 if _egl == 'auto'
 296   with_egl = with_dri and with_shared_glapi and with_platforms
 297 elif _egl == 'true'
 298   if not with_dri
 299     error('EGL requires dri')
 300   elif not with_shared_glapi
 301     error('EGL requires shared-glapi')
 302   elif not with_platforms
 303     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 304   elif not ['disabled', 'dri'].contains(with_glx)
 305     error('EGL requires dri, but a GLX is being built without dri')
 306   endif
 307   with_egl = true
 308 else
 309   with_egl = false
 310 endif
 311
 312 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 313   if with_gallium_radeonsi
 314     error('RadeonSI requires drm or surfaceless platform when using EGL')
 315   endif
 316   if with_gallium_virgl
 317     error('Virgl requires drm or surfaceless platform when using EGL')
 318   endif
 319 endif
 320
 321 pre_args += '-DGLX_USE_TLS'
 322 if with_glx != 'disabled'
 323   if not (with_platform_x11 and with_any_opengl)
 324     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 325   elif with_glx == 'gallium-xlib'
 326     if not with_gallium
 327       error('Gallium-xlib based GLX requires at least one gallium driver')
 328     elif not with_gallium_softpipe
 329       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 330     elif with_dri
 331       error('gallium-xlib conflicts with any dri driver')
 332     endif
 333   elif with_glx == 'xlib'
 334     if with_dri
 335       error('xlib conflicts with any dri driver')
 336     endif
 337   elif with_glx == 'dri'
 338     if not with_dri
 339       error('dri based GLX requires at least one DRI driver')
 340     elif not with_shared_glapi
 341       error('dri based GLX requires shared-glapi')
 342     endif
 343   endif
 344 endif
 345
 346 with_glvnd = get_option('glvnd')
 347 if with_glvnd
 348   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 349     error('Cannot build glvnd support for GLX that is not DRI based.')
 350   elif with_glx == 'disabled' and not with_egl
 351     error('glvnd requires DRI based GLX and/or EGL')
 352   endif
 353 endif
 354
 355 # TODO: toggle for this
 356 with_glx_direct = true
 357
 358 if with_vulkan_icd_dir == ''
 359   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 360 endif
 361
 362 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 363 _dri3 = get_option('dri3')
 364 if _dri3 == 'auto'
 365   with_dri3 = system_has_kms_drm and with_dri2
 366 else
 367   with_dri3 = _dri3 == 'true'
 368 endif
 369
 370 if with_any_vk and (with_platform_x11 and not with_dri3)
 371   error('Vulkan drivers require dri3 for X11 support')
 372 endif
 373 if with_dri or with_gallium
 374   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 375     error('building dri or gallium drivers require at least one window system')
 376   endif
 377 endif
 378
 379 prog_pkgconfig = find_program('pkg-config')
 380
 381 _vdpau = get_option('gallium-vdpau')
 382 if not system_has_kms_drm
 383   if _vdpau == 'true'
 384     error('VDPAU state tracker can only be build on unix-like OSes.')
 385   else
 386     _vdpau = 'false'
 387   endif
 388 elif not with_platform_x11
 389   if _vdpau == 'true'
 390     error('VDPAU state tracker requires X11 support.')
 391   else
 392     _vdpau = 'false'
 393   endif
 394 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 395           with_gallium_nouveau)
 396   if _vdpau == 'true'
 397     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 398   else
 399     _vdpau = 'false'
 400   endif
 401 endif
 402 dep_vdpau = null_dep
 403 with_gallium_vdpau = false
 404 if _vdpau != 'false'
 405   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 406   if dep_vdpau.found()
 407     dep_vdpau = declare_dependency(
 408       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 409     )
 410     with_gallium_vdpau = true
 411   endif
 412 endif
 413
 414 if with_gallium_vdpau
 415   pre_args += '-DHAVE_ST_VDPAU'
 416 endif
 417 vdpau_drivers_path = get_option('vdpau-libs-path')
 418 if vdpau_drivers_path == ''
 419   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 420 endif
 421
 422 _xvmc = get_option('gallium-xvmc')
 423 if not system_has_kms_drm
 424   if _xvmc == 'true'
 425     error('XVMC state tracker can only be build on unix-like OSes.')
 426   else
 427     _xvmc = 'false'
 428   endif
 429 elif not with_platform_x11
 430   if _xvmc == 'true'
 431     error('XVMC state tracker requires X11 support.')
 432   else
 433     _xvmc = 'false'
 434   endif
 435 elif not (with_gallium_r600 or with_gallium_nouveau)
 436   if _xvmc == 'true'
 437     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 438   else
 439     _xvmc = 'false'
 440   endif
 441 elif _xvmc == 'auto'
 442   _xvmc = 'true'
 443 endif
 444 with_gallium_xvmc = _xvmc == 'true'
 445 dep_xvmc = null_dep
 446 if with_gallium_xvmc
 447   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 448 endif
 449
 450 xvmc_drivers_path = get_option('xvmc-libs-path')
 451 if xvmc_drivers_path == ''
 452   xvmc_drivers_path = get_option('libdir')
 453 endif
 454
 455 _omx = get_option('gallium-omx')
 456 if not system_has_kms_drm
 457   if ['auto', 'disabled'].contains(_omx)
 458     _omx = 'disabled'
 459   else
 460     error('OMX state tracker can only be built on unix-like OSes.')
 461   endif
 462 elif not (with_platform_x11 or with_platform_drm)
 463   if ['auto', 'disabled'].contains(_omx)
 464     _omx = 'disabled'
 465   else
 466     error('OMX state tracker requires X11 or drm platform support.')
 467   endif
 468 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 469   if ['auto', 'disabled'].contains(_omx)
 470     _omx = 'disabled'
 471   else
 472     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 473   endif
 474 endif
 475 with_gallium_omx = _omx
 476 dep_omx = null_dep
 477 dep_omx_other = []
 478 if ['auto', 'bellagio'].contains(_omx)
 479   dep_omx = dependency(
 480     'libomxil-bellagio', required : _omx == 'bellagio'
 481   )
 482   if dep_omx.found()
 483     with_gallium_omx = 'bellagio'
 484   endif
 485 endif
 486 if ['auto', 'tizonia'].contains(_omx)
 487   if with_dri and with_egl
 488     dep_omx = dependency(
 489       'libtizonia', version : '>= 0.10.0',
 490       required : _omx == 'tizonia',
 491     )
 492     dep_omx_other = [
 493       dependency('libtizplatform', required : _omx == 'tizonia'),
 494       dependency('tizilheaders', required : _omx == 'tizonia'),
 495     ]
 496     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 497       with_gallium_omx = 'tizonia'
 498     endif
 499   elif _omx == 'tizonia'
 500     error('OMX-Tizonia state tracker requires dri and egl')
 501   endif
 502 endif
 503 if _omx == 'auto'
 504   with_gallium_omx = 'disabled'
 505 else
 506   with_gallium_omx = _omx
 507 endif
 508
 509 pre_args += [
 510   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 511   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 512 ]
 513
 514
 515 omx_drivers_path = get_option('omx-libs-path')
 516
 517 if with_gallium_omx != 'disabled'
 518   # Figure out where to put the omx driver.
 519   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 520   # argument to meson's get_pkgconfig_variable method.
 521   if omx_drivers_path == ''
 522     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 523     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 524     if _omx_libdir == get_option('libdir')
 525       omx_drivers_path = _omx_drivers_dir
 526     else
 527       _omx_base_dir = []
 528       # This will fail on windows. Does OMX run on windows?
 529       _omx_libdir = _omx_libdir.split('/')
 530       _omx_drivers_dir = _omx_drivers_dir.split('/')
 531       foreach o : _omx_drivers_dir
 532         if not _omx_libdir.contains(o)
 533           _omx_base_dir += o
 534         endif
 535       endforeach
 536       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 537     endif
 538   endif
 539 endif
 540
 541 _va = get_option('gallium-va')
 542 if not system_has_kms_drm
 543   if _va == 'true'
 544     error('VA state tracker can only be built on unix-like OSes.')
 545   else
 546     _va = 'false'
 547   endif
 548 elif not (with_platform_x11 or with_platform_drm)
 549   if _va == 'true'
 550     error('VA state tracker requires X11 or drm or wayland platform support.')
 551   else
 552     _va = 'false'
 553   endif
 554 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 555   if _va == 'true'
 556     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 557   else
 558     _va = 'false'
 559   endif
 560 elif _va == 'auto'
 561   _va = 'true'
 562 endif
 563 with_gallium_va = _va == 'true'
 564 dep_va = null_dep
 565 if with_gallium_va
 566   dep_va = dependency('libva', version : '>= 0.39.0')
 567   dep_va_headers = declare_dependency(
 568     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 569   )
 570 endif
 571
 572 va_drivers_path = get_option('va-libs-path')
 573 if va_drivers_path == ''
 574   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 575 endif
 576
 577 _xa = get_option('gallium-xa')
 578 if not system_has_kms_drm
 579   if _xa == 'true'
 580     error('XA state tracker can only be built on unix-like OSes.')
 581   else
 582     _xa = 'false'
 583   endif
 584 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 585           or with_gallium_svga)
 586   if _xa == 'true'
 587     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 588   else
 589     _xa = 'false'
 590   endif
 591 endif
 592 with_gallium_xa = _xa != 'false'
 593
 594 d3d_drivers_path = get_option('d3d-drivers-path')
 595 if d3d_drivers_path == ''
 596   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 597 endif
 598
 599 with_gallium_st_nine =  get_option('gallium-nine')
 600 if with_gallium_st_nine
 601   if not with_gallium_softpipe
 602     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 603   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 604             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 605     error('The nine state tracker requires at least on non-swrast gallium driver.')
 606   endif
 607   if not with_dri3
 608     error('Using nine with wine requires dri3')
 609   endif
 610 endif
 611
 612 if get_option('power8') != 'false'
 613   if host_machine.cpu_family() == 'ppc64le'
 614     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 615       error('Altivec is not supported with gcc version < 4.8.')
 616     endif
 617     if cc.compiles('''
 618         #include <altivec.h>
 619         int main() {
 620           vector unsigned char r;
 621           vector unsigned int v = vec_splat_u32 (1);
 622           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 623           return 0;
 624         }''',
 625         args : '-mpower8-vector',
 626         name : 'POWER8 intrinsics')
 627       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 628     elif get_option('power8') == 'true'
 629       error('POWER8 intrinsic support required but not found.')
 630     endif
 631   endif
 632 endif
 633
 634 _opencl = get_option('gallium-opencl')
 635 if _opencl != 'disabled'
 636   if not with_gallium
 637     error('OpenCL Clover implementation requires at least one gallium driver.')
 638   endif
 639
 640   dep_clc = dependency('libclc')
 641   with_gallium_opencl = true
 642   with_opencl_icd = _opencl == 'icd'
 643 else
 644   dep_clc = null_dep
 645   with_gallium_opencl = false
 646   with_gallium_icd = false
 647 endif
 648
 649 gl_pkgconfig_c_flags = []
 650 if with_platform_x11
 651   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 652     pre_args += '-DHAVE_X11_PLATFORM'
 653   endif
 654   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 655     pre_args += '-DUSE_XSHM'
 656   else
 657     pre_args += '-DGLX_INDIRECT_RENDERING'
 658     if with_glx_direct
 659       pre_args += '-DGLX_DIRECT_RENDERING'
 660     endif
 661     if with_dri_platform == 'drm'
 662       pre_args += '-DGLX_USE_DRM'
 663     elif with_dri_platform == 'apple'
 664       pre_args += '-DGLX_USE_APPLEGL'
 665     elif with_dri_platform == 'windows'
 666       pre_args += '-DGLX_USE_WINDOWSGL'
 667     endif
 668   endif
 669 else
 670   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 671   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 672 endif
 673 if with_platform_drm
 674   if with_egl and not with_gbm
 675     error('EGL drm platform requires gbm')
 676   endif
 677   pre_args += '-DHAVE_DRM_PLATFORM'
 678 endif
 679 if with_platform_surfaceless
 680   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 681 endif
 682 if with_platform_android
 683   dep_android = [
 684     dependency('cutils'),
 685     dependency('hardware'),
 686     dependency('sync'),
 687   ]
 688   pre_args += '-DHAVE_ANDROID_PLATFORM'
 689 endif
 690 if with_platform_haiku
 691   pre_args += '-DHAVE_HAIKU_PLATFORM'
 692 endif
 693
 694 prog_python2 = find_program('python2')
 695 has_mako = run_command(prog_python2, '-c', 'import mako')
 696 if has_mako.returncode() != 0
 697   error('Python (2.x) mako module required to build mesa.')
 698 endif
 699
 700 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 701   error('When using GCC, version 4.4.6 or later is required.')
 702 endif
 703
 704 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 705 if get_option('buildtype') == 'debug'
 706   pre_args += '-DDEBUG'
 707 endif
 708
 709 if get_option('shader-cache')
 710   pre_args += '-DENABLE_SHADER_CACHE'
 711 elif with_amd_vk
 712   error('Radv requires shader cache support')
 713 endif
 714
 715 # Check for GCC style builtins
 716 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 717              'ffsll', 'popcount', 'popcountll', 'unreachable']
 718   if cc.has_function(b)
 719     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 720   endif
 721 endforeach
 722
 723 # check for GCC __attribute__
 724 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 725              'warn_unused_result', 'weak',]
 726   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 727                  name : '__attribute__((@0@))'.format(a))
 728     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 729   endif
 730 endforeach
 731 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 732                name : '__attribute__((format(...)))')
 733   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 734 endif
 735 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 736                name : '__attribute__((packed))')
 737   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 738 endif
 739 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 740                name : '__attribute__((returns_nonnull))')
 741   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 742 endif
 743 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 744                   int foo_hid(void) __attribute__((visibility("hidden")));
 745                   int foo_int(void) __attribute__((visibility("internal")));
 746                   int foo_pro(void) __attribute__((visibility("protected")));''',
 747                name : '__attribute__((visibility(...)))')
 748   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 749 endif
 750 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 751                name : '__attribute__((alias(...)))')
 752   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 753 endif
 754 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 755                name : '__attribute__((__noreturn__))')
 756   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 757 endif
 758
 759 # TODO: this is very incomplete
 760 if ['linux', 'cygwin'].contains(host_machine.system())
 761   pre_args += '-D_GNU_SOURCE'
 762 endif
 763
 764 # Check for generic C arguments
 765 c_args = []
 766 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 767              '-Werror=missing-prototypes', '-fno-math-errno',
 768              '-fno-trapping-math', '-Qunused-arguments']
 769   if cc.has_argument(a)
 770     c_args += a
 771   endif
 772 endforeach
 773 if cc.has_argument('-Wmissing-field-initializers')
 774   c_args += '-Wno-missing-field-initializers'
 775 endif
 776
 777 c_vis_args = []
 778 if cc.has_argument('-fvisibility=hidden')
 779   c_vis_args += '-fvisibility=hidden'
 780 endif
 781
 782 # Check for generic C++ arguments
 783 cpp_args = []
 784 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 785              '-Qunused-arguments']
 786   if cpp.has_argument(a)
 787     cpp_args += a
 788   endif
 789 endforeach
 790
 791 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 792 # option is not supported. Hence, check for -Wfoo instead.
 793
 794 foreach a : ['non-virtual-dtor', 'missing-field-initializers']
 795   if cpp.has_argument('-W' + a)
 796     cpp_args += '-Wno-' + a
 797   endif
 798 endforeach
 799
 800 no_override_init_args = []
 801 foreach a : ['override-init', 'initializer-overrides']
 802   if cc.has_argument('-W' + a)
 803     no_override_init_args += '-Wno-' + a
 804   endif
 805 endforeach
 806
 807 cpp_vis_args = []
 808 if cpp.has_argument('-fvisibility=hidden')
 809   cpp_vis_args += '-fvisibility=hidden'
 810 endif
 811
 812 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 813 # in parts of the mesa code base that need to compile with old versions of
 814 # MSVC, mainly common code
 815 c_msvc_compat_args = []
 816 cpp_msvc_compat_args = []
 817 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 818   if cc.has_argument(a)
 819     c_msvc_compat_args += a
 820   endif
 821   if cpp.has_argument(a)
 822     cpp_msvc_compat_args += a
 823   endif
 824 endforeach
 825
 826 if host_machine.cpu_family().startswith('x86')
 827   pre_args += '-DUSE_SSE41'
 828   with_sse41 = true
 829   sse41_args = ['-msse4.1']
 830
 831   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 832   # that's not guaranteed
 833   if host_machine.cpu_family() == 'x86'
 834     sse41_args += '-mstackrealign'
 835   endif
 836 else
 837   with_sse41 = false
 838   sse41_args = []
 839 endif
 840
 841 # Check for GCC style atomics
 842 dep_atomic = null_dep
 843
 844 if cc.compiles('''#include <stdint.h>
 845                   int main() {
 846                     struct {
 847                       uint64_t *v;
 848                     } x;
 849                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 850                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 851
 852                   }''',
 853                name : 'GCC atomic builtins')
 854   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 855
 856   # Not all atomic calls can be turned into lock-free instructions, in which
 857   # GCC will make calls into the libatomic library. Check whether we need to
 858   # link with -latomic.
 859   #
 860   # This can happen for 64-bit atomic operations on 32-bit architectures such
 861   # as ARM.
 862   if not cc.links('''#include <stdint.h>
 863                      int main() {
 864                        struct {
 865                          uint64_t *v;
 866                        } x;
 867                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 868                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 869                      }''',
 870                   name : 'GCC atomic builtins required -latomic')
 871     dep_atomic = cc.find_library('atomic')
 872   endif
 873 endif
 874 if not cc.links('''#include <stdint.h>
 875                    uint64_t v;
 876                    int main() {
 877                      return __sync_add_and_fetch(&v, (uint64_t)1);
 878                    }''',
 879                 name : 'GCC 64bit atomics')
 880   pre_args += '-DMISSING_64_BIT_ATOMICS'
 881 endif
 882
 883 # TODO: shared/static? Is this even worth doing?
 884
 885 # When cross compiling we generally need to turn off the use of assembly,
 886 # because mesa's assembly relies on building an executable for the host system,
 887 # and running it to get information about struct sizes. There is at least one
 888 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
 889 # host OS == build OS, since in that case the build machine can run the host's
 890 # binaries.
 891 if meson.is_cross_build()
 892   if build_machine.system() != host_machine.system()
 893     # TODO: It may be possible to do this with an exe_wrapper (like wine).
 894     message('Cross compiling from one OS to another, disabling assembly.')
 895     with_asm = false
 896   elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
 897     # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
 898     # x86 -> x86 cross compile. We use startswith rather than == to handle this
 899     # case.
 900     # TODO: There may be other cases where the 64 bit version of the
 901     # architecture can run 32 bit binaries (aarch64 and armv7 for example)
 902     message('''
 903       Cross compiling to different architectures, and the host cannot run
 904       the build machine's binaries. Disabling assembly.
 905     ''')
 906     with_asm = false
 907   endif
 908 endif
 909
 910 with_asm_arch = ''
 911 if with_asm
 912   if host_machine.cpu_family() == 'x86'
 913     if system_has_kms_drm
 914       with_asm_arch = 'x86'
 915       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 916                    '-DUSE_SSE_ASM']
 917
 918       if with_glx_read_only_text
 919          pre_args += ['-DGLX_X86_READONLY_TEXT']
 920       endif
 921     endif
 922   elif host_machine.cpu_family() == 'x86_64'
 923     if system_has_kms_drm
 924       with_asm_arch = 'x86_64'
 925       pre_args += ['-DUSE_X86_64_ASM']
 926     endif
 927   elif host_machine.cpu_family() == 'arm'
 928     if system_has_kms_drm
 929       with_asm_arch = 'arm'
 930       pre_args += ['-DUSE_ARM_ASM']
 931     endif
 932   elif host_machine.cpu_family() == 'aarch64'
 933     if system_has_kms_drm
 934       with_asm_arch = 'aarch64'
 935       pre_args += ['-DUSE_AARCH64_ASM']
 936     endif
 937   elif host_machine.cpu_family() == 'sparc64'
 938     if system_has_kms_drm
 939       with_asm_arch = 'sparc'
 940       pre_args += ['-DUSE_SPARC_ASM']
 941     endif
 942   elif host_machine.cpu_family() == 'ppc64le'
 943     if system_has_kms_drm
 944       with_asm_arch = 'ppc64le'
 945       pre_args += ['-DUSE_PPC64LE_ASM']
 946     endif
 947   endif
 948 endif
 949
 950 # Check for standard headers and functions
 951 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 952   pre_args += '-DMAJOR_IN_SYSMACROS'
 953 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 954   pre_args += '-DMAJOR_IN_MKDEV'
 955 endif
 956
 957 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
 958   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 959     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 960   endif
 961 endforeach
 962
 963 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 964   if cc.has_function(f)
 965     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 966   endif
 967 endforeach
 968
 969 # strtod locale support
 970 if cc.links('''
 971     #define _GNU_SOURCE
 972     #include <stdlib.h>
 973     #include <locale.h>
 974     #ifdef HAVE_XLOCALE_H
 975     #include <xlocale.h>
 976     #endif
 977     int main() {
 978       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 979       const char *s = "1.0";
 980       char *end;
 981       double d = strtod_l(s, end, loc);
 982       float f = strtof_l(s, end, loc);
 983       freelocale(loc);
 984       return 0;
 985     }''',
 986     extra_args : pre_args,
 987     name : 'strtod has locale support')
 988   pre_args += '-DHAVE_STRTOD_L'
 989 endif
 990
 991 # Check for some linker flags
 992 ld_args_bsymbolic = []
 993 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 994   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 995 endif
 996 ld_args_gc_sections = []
 997 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 998             args : '-Wl,--gc-sections', name : 'gc-sections')
 999   ld_args_gc_sections += '-Wl,--gc-sections'
1000 endif
1001 with_ld_version_script = false
1002 if cc.links('int main() { return 0; }',
1003             args : '-Wl,--version-script=@0@'.format(
1004               join_paths(meson.source_root(), 'build-support/conftest.map')),
1005             name : 'version-script')
1006   with_ld_version_script = true
1007 endif
1008 with_ld_dynamic_list = false
1009 if cc.links('int main() { return 0; }',
1010             args : '-Wl,--dynamic-list=@0@'.format(
1011               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1012             name : 'dynamic-list')
1013   with_ld_dynamic_list = true
1014 endif
1015 ld_args_build_id = []
1016 if build_machine.system() != 'darwin'
1017    ld_args_build_id += '-Wl,--build-id=sha1'
1018 endif
1019
1020 # check for dl support
1021 if cc.has_function('dlopen')
1022   dep_dl = null_dep
1023 else
1024   dep_dl = cc.find_library('dl')
1025 endif
1026 if cc.has_function('dladdr', dependencies : dep_dl)
1027   # This is really only required for megadrivers
1028   pre_args += '-DHAVE_DLADDR'
1029 endif
1030
1031 if cc.has_function('dl_iterate_phdr')
1032   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1033 elif with_intel_vk
1034   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1035 elif with_dri_i965 and get_option('shader-cache')
1036   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1037 endif
1038
1039 # Determine whether or not the rt library is needed for time functions
1040 if cc.has_function('clock_gettime')
1041   dep_clock = null_dep
1042 else
1043   dep_clock = cc.find_library('rt')
1044 endif
1045
1046 # TODO: some of these may be conditional
1047 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1048 pre_args += '-DHAVE_ZLIB'
1049 dep_thread = dependency('threads')
1050 if dep_thread.found() and host_machine.system() != 'windows'
1051   pre_args += '-DHAVE_PTHREAD'
1052 endif
1053 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1054   dep_elf = dependency('libelf', required : false)
1055   if not dep_elf.found()
1056     dep_elf = cc.find_library('elf')
1057   endif
1058 else
1059   dep_elf = null_dep
1060 endif
1061 dep_expat = dependency('expat')
1062 # this only exists on linux so either this is linux and it will be found, or
1063 # its not linux and and wont
1064 dep_m = cc.find_library('m', required : false)
1065
1066 # Check for libdrm. various drivers have different libdrm version requirements,
1067 # but we always want to use the same version for all libdrm modules. That means
1068 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1069 # bar are both on use 2.4.3 for both of them
1070 dep_libdrm_amdgpu = null_dep
1071 dep_libdrm_radeon = null_dep
1072 dep_libdrm_nouveau = null_dep
1073 dep_libdrm_etnaviv = null_dep
1074 dep_libdrm_freedreno = null_dep
1075 dep_libdrm_intel = null_dep
1076
1077 _drm_amdgpu_ver = '2.4.91'
1078 _drm_radeon_ver = '2.4.71'
1079 _drm_nouveau_ver = '2.4.66'
1080 _drm_etnaviv_ver = '2.4.89'
1081 _drm_freedreno_ver = '2.4.92'
1082 _drm_intel_ver = '2.4.75'
1083 _drm_ver = '2.4.75'
1084
1085 _libdrm_checks = [
1086   ['intel', with_dri_i915 or with_gallium_i915],
1087   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1088   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1089               with_gallium_r300 or with_gallium_r600)],
1090   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1091   ['etnaviv', with_gallium_etnaviv],
1092   ['freedreno', with_gallium_freedreno],
1093 ]
1094
1095 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1096 # library.
1097 if with_gallium_vc4
1098   _drm_ver = '2.4.89'
1099 endif
1100
1101 # Loop over the enables versions and get the highest libdrm requirement for all
1102 # active drivers.
1103 foreach d : _libdrm_checks
1104   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1105   if d[1] and ver.version_compare('>' + _drm_ver)
1106     _drm_ver = ver
1107   endif
1108 endforeach
1109
1110 # Then get each libdrm module
1111 foreach d : _libdrm_checks
1112   if d[1]
1113     set_variable(
1114       'dep_libdrm_' + d[0],
1115       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1116     )
1117   endif
1118 endforeach
1119
1120 with_gallium_drisw_kms = false
1121 dep_libdrm = dependency(
1122   'libdrm', version : '>=' + _drm_ver,
1123   required : with_dri2 or with_dri3
1124 )
1125 if dep_libdrm.found()
1126   pre_args += '-DHAVE_LIBDRM'
1127   if with_dri_platform == 'drm' and with_dri
1128     with_gallium_drisw_kms = true
1129   endif
1130 endif
1131
1132 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1133 llvm_optional_modules = []
1134 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1135   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1136   if with_gallium_r600
1137     llvm_modules += 'asmparser'
1138   endif
1139 endif
1140 if with_gallium_opencl
1141   llvm_modules += [
1142     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1143     'lto', 'option', 'objcarcopts', 'profiledata',
1144   ]
1145   llvm_optional_modules += ['coroutines', 'opencl']
1146 endif
1147
1148 if with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1149   _llvm_version = '>= 5.0.0'
1150 elif with_gallium_opencl or with_gallium_r600
1151   _llvm_version = '>= 3.9.0'
1152 else
1153   _llvm_version = '>= 3.3.0'
1154 endif
1155
1156 _llvm = get_option('llvm')
1157 if _llvm == 'auto'
1158   dep_llvm = dependency(
1159     'llvm',
1160     version : _llvm_version,
1161     modules : llvm_modules,
1162     optional_modules : llvm_optional_modules,
1163     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1164   )
1165   with_llvm = dep_llvm.found()
1166 elif _llvm == 'true'
1167   dep_llvm = dependency(
1168     'llvm',
1169     version : _llvm_version,
1170     modules : llvm_modules,
1171     optional_modules : llvm_optional_modules,
1172   )
1173   with_llvm = true
1174 else
1175   dep_llvm = null_dep
1176   with_llvm = false
1177 endif
1178 if with_llvm
1179   _llvm_version = dep_llvm.version().split('.')
1180   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1181   # that for our version checks.
1182   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1183   # strippped as of 0.44, but we support older meson versions.
1184
1185   # 3 digits versions in LLVM only started from 3.4.1 on
1186   if dep_llvm.version().version_compare('>= 3.4.1')
1187     _llvm_patch = _llvm_version[2]
1188   else
1189     _llvm_patch = '0'
1190   endif
1191
1192   if _llvm_patch.endswith('svn')
1193     _llvm_patch = _llvm_patch.split('s')[0]
1194   elif _llvm_patch.contains('git')
1195     _llvm_patch = _llvm_patch.split('g')[0]
1196   endif
1197   pre_args += [
1198     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1199     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1200   ]
1201
1202   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1203   # programs, so we need to build all C++ code in mesa without rtti as well to
1204   # ensure that linking works.
1205   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1206     cpp_args += '-fno-rtti'
1207   endif
1208 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1209   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1210 endif
1211
1212 dep_glvnd = null_dep
1213 if with_glvnd
1214   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1215   pre_args += '-DUSE_LIBGLVND=1'
1216 endif
1217
1218 if with_valgrind != 'false'
1219   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1220   if dep_valgrind.found()
1221     pre_args += '-DHAVE_VALGRIND'
1222   endif
1223 else
1224   dep_valgrind = null_dep
1225 endif
1226
1227 # pthread stubs. Lets not and say we didn't
1228
1229 prog_bison = find_program('bison', required : with_any_opengl)
1230 prog_flex = find_program('flex', required : with_any_opengl)
1231
1232 dep_selinux = null_dep
1233 if get_option('selinux')
1234   dep_selinux = dependency('libselinux')
1235   pre_args += '-DMESA_SELINUX'
1236 endif
1237
1238 if with_libunwind != 'false'
1239   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1240   if dep_unwind.found()
1241     pre_args += '-DHAVE_LIBUNWIND'
1242   endif
1243 else
1244   dep_unwind = null_dep
1245 endif
1246
1247 if with_osmesa != 'none'
1248   if with_osmesa == 'classic' and not with_dri_swrast
1249     error('OSMesa classic requires dri (classic) swrast.')
1250   endif
1251   if with_osmesa == 'gallium' and not with_gallium_softpipe
1252     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1253   endif
1254   osmesa_lib_name = 'OSMesa'
1255   osmesa_bits = get_option('osmesa-bits')
1256   if osmesa_bits != '8'
1257     if with_dri or with_glx != 'disabled'
1258       error('OSMesa bits must be 8 if building glx or dir based drivers')
1259     endif
1260     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1261     pre_args += [
1262       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1263     ]
1264   endif
1265 endif
1266
1267 # TODO: symbol mangling
1268
1269 if with_platform_wayland
1270   prog_wl_scanner = find_program('wayland-scanner')
1271   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1272   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1273   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1274   if with_egl
1275     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1276     dep_wayland_egl_headers = declare_dependency(
1277       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1278   endif
1279   wayland_dmabuf_xml = join_paths(
1280     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1281     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1282   )
1283   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1284 else
1285   prog_wl_scanner = []
1286   dep_wl_protocols = null_dep
1287   dep_wayland_client = null_dep
1288   dep_wayland_server = null_dep
1289   wayland_dmabuf_xml = ''
1290 endif
1291
1292 dep_x11 = null_dep
1293 dep_xext = null_dep
1294 dep_xdamage = null_dep
1295 dep_xfixes = null_dep
1296 dep_x11_xcb = null_dep
1297 dep_xcb = null_dep
1298 dep_xcb_glx = null_dep
1299 dep_xcb_dri2 = null_dep
1300 dep_xcb_dri3 = null_dep
1301 dep_dri2proto = null_dep
1302 dep_glproto = null_dep
1303 dep_xxf86vm = null_dep
1304 dep_xcb_dri3 = null_dep
1305 dep_xcb_present = null_dep
1306 dep_xcb_sync = null_dep
1307 dep_xcb_xfixes = null_dep
1308 dep_xshmfence = null_dep
1309 dep_xcb_xrandr = null_dep
1310 dep_xlib_xrandr = null_dep
1311 if with_platform_x11
1312   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1313     dep_x11 = dependency('x11')
1314     dep_xext = dependency('xext')
1315     dep_xcb = dependency('xcb')
1316   elif with_glx == 'dri'
1317     dep_x11 = dependency('x11')
1318     dep_xext = dependency('xext')
1319     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1320     dep_xfixes = dependency('xfixes')
1321     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1322     dep_xxf86vm = dependency('xxf86vm', required : false)
1323   endif
1324   if (with_any_vk or with_glx == 'dri' or
1325        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1326         with_gallium_omx != 'disabled'))
1327     dep_xcb = dependency('xcb')
1328     dep_x11_xcb = dependency('x11-xcb')
1329   endif
1330   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1331     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1332
1333     if with_dri3
1334       pre_args += '-DHAVE_DRI3'
1335       dep_xcb_dri3 = dependency('xcb-dri3')
1336       dep_xcb_present = dependency('xcb-present')
1337       # until xcb-dri3 has been around long enough to make a hard-dependency:
1338       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1339           dep_xcb_present.version().version_compare('>= 1.13'))
1340         pre_args += '-DHAVE_DRI3_MODIFIERS'
1341       endif
1342       dep_xcb_sync = dependency('xcb-sync')
1343       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1344     endif
1345   endif
1346   if with_glx == 'dri'
1347     if with_dri_platform == 'drm'
1348       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1349     endif
1350     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1351   endif
1352   if (with_egl or (
1353       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1354       with_gallium_omx != 'disabled'))
1355     dep_xcb_xfixes = dependency('xcb-xfixes')
1356   endif
1357   if with_xlib_lease
1358     dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1359     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1360   endif
1361 endif
1362
1363 if get_option('gallium-extra-hud')
1364   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1365 endif
1366
1367 _sensors = get_option('lmsensors')
1368 if _sensors != 'false'
1369   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1370   if dep_lmsensors.found()
1371     pre_args += '-DHAVE_LIBSENSORS=1'
1372   endif
1373 else
1374   dep_lmsensors = null_dep
1375 endif
1376
1377 foreach a : pre_args
1378   add_project_arguments(a, language : ['c', 'cpp'])
1379 endforeach
1380 foreach a : c_args
1381   add_project_arguments(a, language : ['c'])
1382 endforeach
1383 foreach a : cpp_args
1384   add_project_arguments(a, language : ['cpp'])
1385 endforeach
1386
1387 inc_include = include_directories('include')
1388
1389 gl_priv_reqs = []
1390
1391 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1392   gl_priv_reqs += ['x11', 'xext', 'xcb']
1393 elif with_glx == 'dri'
1394   gl_priv_reqs += [
1395     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1396     'xcb-glx >= 1.8.1']
1397   if with_dri_platform == 'drm'
1398     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1399   endif
1400 endif
1401 if dep_libdrm.found()
1402   gl_priv_reqs += 'libdrm >= 2.4.75'
1403 endif
1404 if dep_xxf86vm.found()
1405   gl_priv_reqs += 'xxf86vm'
1406 endif
1407
1408 gl_priv_libs = []
1409 if dep_thread.found()
1410   gl_priv_libs += ['-lpthread', '-pthread']
1411 endif
1412 if dep_m.found()
1413   gl_priv_libs += '-lm'
1414 endif
1415 if dep_dl.found()
1416   gl_priv_libs += '-ldl'
1417 endif
1418
1419 pkg = import('pkgconfig')
1420
1421 env_test = environment()
1422 env_test.set('NM', find_program('nm').path())
1423
1424 subdir('include')
1425 subdir('bin')
1426 subdir('src')