meson.build

   1 # Copyright © 2017 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 : '>= 0.42',
  29   default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
  30 )
  31
  32 # Arguments for the preprocessor, put these in a separate array from the C and
  33 # C++ (cpp in meson terminology) arguments since they need to be added to the
  34 # default arguments for both C and C++.
  35 pre_args = [
  36   '-D__STDC_CONSTANT_MACROS',
  37   '-D__STDC_FORMAT_MACROS',
  38   '-D__STDC_LIMIT_MACROS',
  39   '-DVERSION="@0@"'.format(meson.project_version()),
  40   '-DPACKAGE_VERSION=VERSION',
  41   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  42 ]
  43
  44 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  45 with_tests = get_option('build-tests')
  46 with_valgrind = get_option('valgrind')
  47 with_libunwind = get_option('libunwind')
  48 with_asm = get_option('asm')
  49 with_osmesa = get_option('osmesa')
  50 with_swr_arches = get_option('swr-arches').split(',')
  51 if get_option('texture-float')
  52   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  53   message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  54 endif
  55
  56 dri_drivers_path = get_option('dri-drivers-path')
  57 if dri_drivers_path == ''
  58   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  59 endif
  60 dri_search_path = get_option('dri-search-path')
  61 if dri_search_path == ''
  62   dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
  63 endif
  64
  65 with_gles1 = get_option('gles1')
  66 with_gles2 = get_option('gles2')
  67 with_opengl = get_option('opengl')
  68 with_any_opengl = with_opengl or with_gles1 or with_gles2
  69 # Only build shared_glapi if at least one OpenGL API is enabled
  70 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  71
  72
  73 # shared-glapi is required if at least two OpenGL APIs are being built
  74 if not with_shared_glapi
  75   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  76       or (with_gles2 and with_opengl))
  77     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  78   endif
  79 endif
  80
  81 # We require OpenGL for OpenGL ES
  82 if (with_gles1 or with_gles2) and not with_opengl
  83   error('building OpenGL ES without OpenGL is not supported.')
  84 endif
  85
  86 with_dri = false
  87 with_dri_i915 = false
  88 with_dri_i965 = false
  89 with_dri_r100 = false
  90 with_dri_r200 = false
  91 with_dri_nouveau = false
  92 with_dri_swrast = false
  93 _drivers = get_option('dri-drivers')
  94 if _drivers == 'auto'
  95   if host_machine.system() == 'linux'
  96     # TODO: PPC, Sparc
  97     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  98       _drivers = 'i915,i965,r100,r200,nouveau'
  99     else
 100       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 101     endif
 102   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 103     # only swrast would make sense here, but gallium swrast is a much better default
 104     _drivers = ''
 105   else
 106     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 107   endif
 108 endif
 109 if _drivers != ''
 110   _split = _drivers.split(',')
 111   with_dri_i915 = _split.contains('i915')
 112   with_dri_i965 = _split.contains('i965')
 113   with_dri_r100 = _split.contains('r100')
 114   with_dri_r200 = _split.contains('r200')
 115   with_dri_nouveau = _split.contains('nouveau')
 116   with_dri_swrast = _split.contains('swrast')
 117   with_dri = true
 118 endif
 119
 120 with_gallium = false
 121 with_gallium_pl111 = false
 122 with_gallium_radeonsi = false
 123 with_gallium_r300 = false
 124 with_gallium_r600 = false
 125 with_gallium_nouveau = false
 126 with_gallium_freedreno = false
 127 with_gallium_softpipe = false
 128 with_gallium_vc4 = false
 129 with_gallium_vc5 = false
 130 with_gallium_etnaviv = false
 131 with_gallium_imx = false
 132 with_gallium_i915 = false
 133 with_gallium_svga = false
 134 with_gallium_virgl = false
 135 with_gallium_swr = false
 136 _drivers = get_option('gallium-drivers')
 137 if _drivers == 'auto'
 138   if host_machine.system() == 'linux'
 139     # TODO: PPC, Sparc
 140     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 141       _drivers = 'r300,r600,radeonsi,nouveau,virgl,svga,swrast'
 142     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 143       _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,virgl,svga,swrast'
 144     else
 145       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 146     endif
 147   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 148     _drivers = 'swrast'
 149   else
 150     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 151   endif
 152 endif
 153 if _drivers != ''
 154   _split = _drivers.split(',')
 155   with_gallium_pl111 = _split.contains('pl111')
 156   with_gallium_radeonsi = _split.contains('radeonsi')
 157   with_gallium_r300 = _split.contains('r300')
 158   with_gallium_r600 = _split.contains('r600')
 159   with_gallium_nouveau = _split.contains('nouveau')
 160   with_gallium_freedreno = _split.contains('freedreno')
 161   with_gallium_softpipe = _split.contains('swrast')
 162   with_gallium_vc4 = _split.contains('vc4')
 163   with_gallium_vc5 = _split.contains('vc5')
 164   with_gallium_etnaviv = _split.contains('etnaviv')
 165   with_gallium_imx = _split.contains('imx')
 166   with_gallium_i915 = _split.contains('i915')
 167   with_gallium_svga = _split.contains('svga')
 168   with_gallium_virgl = _split.contains('virgl')
 169   with_gallium_swr = _split.contains('swr')
 170   with_gallium = true
 171 endif
 172
 173 with_intel_vk = false
 174 with_amd_vk = false
 175 with_any_vk = false
 176 _vulkan_drivers = get_option('vulkan-drivers')
 177 if _vulkan_drivers == 'auto'
 178   if host_machine.system() == 'linux'
 179     if host_machine.cpu_family().startswith('x86')
 180       _vulkan_drivers = 'amd,intel'
 181     else
 182       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 183     endif
 184   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 185     # No vulkan driver supports windows or macOS currently
 186     _vulkan_drivers = ''
 187   else
 188     error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 189   endif
 190 endif
 191 if _vulkan_drivers != ''
 192   _split = _vulkan_drivers.split(',')
 193   with_intel_vk = _split.contains('intel')
 194   with_amd_vk = _split.contains('amd')
 195   with_any_vk = with_amd_vk or with_intel_vk
 196 endif
 197
 198 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 199   error('Only one swrast provider can be built')
 200 endif
 201 if with_dri_i915 and with_gallium_i915
 202   error('Only one i915 provider can be built')
 203 endif
 204 if with_gallium_imx and not with_gallium_etnaviv
 205   error('IMX driver requires etnaviv driver')
 206 endif
 207 if with_gallium_pl111 and not with_gallium_vc4
 208   error('pl111 driver requires vc4 driver')
 209 endif
 210
 211 dep_libdrm_intel = []
 212 if with_dri_i915 or with_gallium_i915
 213   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 214 endif
 215
 216 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
 217
 218 if host_machine.system() == 'darwin'
 219   with_dri_platform = 'apple'
 220 elif ['windows', 'cygwin'].contains(host_machine.system())
 221   with_dri_platform = 'windows'
 222 elif system_has_kms_drm
 223   with_dri_platform = 'drm'
 224 else
 225   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 226   # assert here that one of those cases has been met.
 227   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 228   # support Hurd at time of writing (2017/11)
 229   # FIXME: illumos ends up here as well
 230   with_dri_platform = 'none'
 231 endif
 232
 233 with_platform_android = false
 234 with_platform_wayland = false
 235 with_platform_x11 = false
 236 with_platform_drm = false
 237 with_platform_surfaceless = false
 238 egl_native_platform = ''
 239 _platforms = get_option('platforms')
 240 if _platforms == 'auto'
 241   if system_has_kms_drm
 242     _platforms = 'x11,wayland,drm,surfaceless'
 243   elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
 244     _platforms = 'x11,surfaceless'
 245   else
 246     error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
 247   endif
 248 endif
 249 if _platforms != ''
 250   _split = _platforms.split(',')
 251   with_platform_android = _split.contains('android')
 252   with_platform_x11 = _split.contains('x11')
 253   with_platform_wayland = _split.contains('wayland')
 254   with_platform_drm = _split.contains('drm')
 255   with_platform_surfaceless = _split.contains('surfaceless')
 256   egl_native_platform = _split[0]
 257 endif
 258
 259 with_glx = get_option('glx')
 260 if with_glx == 'auto'
 261   if with_dri
 262     with_glx = 'dri'
 263   elif with_gallium
 264     # Even when building just gallium drivers the user probably wants dri
 265     with_glx = 'dri'
 266   elif with_platform_x11 and with_any_opengl and not with_any_vk
 267     # The automatic behavior should not be to turn on xlib based glx when
 268     # building only vulkan drivers
 269     with_glx = 'xlib'
 270   else
 271     with_glx = 'disabled'
 272   endif
 273 endif
 274 if with_glx == 'dri'
 275    if with_gallium
 276       with_dri = true
 277    endif
 278 endif
 279
 280 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 281   with_gles1 = false
 282   with_gles2 = false
 283   with_opengl = false
 284   with_any_opengl = false
 285   with_shared_glapi = false
 286 endif
 287
 288 with_gbm = get_option('gbm')
 289 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 290   with_gbm = system_has_kms_drm
 291 elif with_gbm == 'true'
 292   if not system_has_kms_drm
 293     error('GBM only supports DRM/KMS platforms')
 294   endif
 295   with_gbm = true
 296 else
 297   with_gbm = false
 298 endif
 299
 300 _egl = get_option('egl')
 301 if _egl == 'auto'
 302   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 303 elif _egl == 'true'
 304   if not with_dri
 305     error('EGL requires dri')
 306   elif not with_shared_glapi
 307     error('EGL requires shared-glapi')
 308   elif egl_native_platform == ''
 309     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 310   endif
 311   with_egl = true
 312 else
 313   with_egl = false
 314 endif
 315
 316 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 317   if with_gallium_radeonsi
 318     error('RadeonSI requires drm or surfaceless platform when using EGL')
 319   endif
 320   if with_gallium_virgl
 321     error('Virgl requires drm or surfaceless platform when using EGL')
 322   endif
 323 endif
 324
 325 pre_args += '-DGLX_USE_TLS'
 326 if with_glx != 'disabled'
 327   if not (with_platform_x11 and with_any_opengl)
 328     if with_glx == 'auto'
 329       with_glx = 'disabled'
 330     else
 331       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 332     endif
 333   elif with_glx == 'gallium-xlib'
 334     if not with_gallium
 335       error('Gallium-xlib based GLX requires at least one gallium driver')
 336     elif not with_gallium_softpipe
 337       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 338     elif with_dri
 339       error('gallium-xlib conflicts with any dri driver')
 340     endif
 341   elif with_glx == 'xlib'
 342     if with_dri
 343       error('xlib conflicts with any dri driver')
 344     endif
 345   elif with_glx == 'dri' and not with_dri
 346     error('dri based GLX requires at least one DRI driver')
 347   endif
 348 endif
 349
 350 with_glvnd = get_option('glvnd')
 351 if with_glvnd
 352   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 353     error('Cannot build glvnd support for GLX that is not DRI based.')
 354   elif with_glx == 'disabled' and not with_egl
 355     error('glvnd requires DRI based GLX and/or EGL')
 356   endif
 357 endif
 358
 359 # TODO: toggle for this
 360 with_glx_direct = true
 361
 362 if with_vulkan_icd_dir == ''
 363   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 364 endif
 365
 366 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 367 with_dri3 = get_option('dri3')
 368 if with_dri3 == 'auto'
 369   with_dri3 = system_has_kms_drm and with_dri2
 370 else
 371   with_dri3 = with_dri3 == 'true'
 372 endif
 373
 374 if with_any_vk and (with_platform_x11 and not with_dri3)
 375   error('Vulkan drivers require dri3 for X11 support')
 376 endif
 377 if with_dri or with_gallium
 378   if with_glx == 'disabled' and not with_egl
 379     error('building dri or gallium drivers require at least one window system')
 380   endif
 381 endif
 382
 383 prog_pkgconfig = find_program('pkg-config')
 384
 385 _vdpau = get_option('gallium-vdpau')
 386 if not system_has_kms_drm
 387   if _vdpau == 'true'
 388     error('VDPAU state tracker can only be build on unix-like OSes.')
 389   else
 390     _vdpau = 'false'
 391   endif
 392 elif not with_platform_x11
 393   if _vdpau == 'true'
 394     error('VDPAU state tracker requires X11 support.')
 395   else
 396     _vdpau = 'false'
 397   endif
 398 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 399           with_gallium_nouveau)
 400   if _vdpau == 'true'
 401     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 402   else
 403     _vdpau = 'false'
 404   endif
 405 elif _vdpau == 'auto'
 406   _vdpau = 'true'
 407 endif
 408 with_gallium_vdpau = _vdpau == 'true'
 409 dep_vdpau = []
 410 if with_gallium_vdpau
 411   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 412   dep_vdpau = declare_dependency(
 413     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 414   )
 415 endif
 416
 417 if with_gallium_vdpau
 418   pre_args += '-DHAVE_ST_VDPAU'
 419 endif
 420 vdpau_drivers_path = get_option('vdpau-libs-path')
 421 if vdpau_drivers_path == ''
 422   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 423 endif
 424
 425 _xvmc = get_option('gallium-xvmc')
 426 if not system_has_kms_drm
 427   if _xvmc == 'true'
 428     error('XVMC state tracker can only be build on unix-like OSes.')
 429   else
 430     _xvmc = 'false'
 431   endif
 432 elif not with_platform_x11
 433   if _xvmc == 'true'
 434     error('XVMC state tracker requires X11 support.')
 435   else
 436     _xvmc = 'false'
 437   endif
 438 elif not (with_gallium_r600 or with_gallium_nouveau)
 439   if _xvmc == 'true'
 440     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 441   else
 442     _xvmc = 'false'
 443   endif
 444 elif _xvmc == 'auto'
 445   _xvmc = 'true'
 446 endif
 447 with_gallium_xvmc = _xvmc == 'true'
 448 dep_xvmc = []
 449 if with_gallium_xvmc
 450   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 451   dep_xvmc = declare_dependency(
 452     compile_args : run_command(prog_pkgconfig, ['xvmc', '--cflags']).stdout().split()
 453   )
 454 endif
 455
 456 xvmc_drivers_path = get_option('xvmc-libs-path')
 457 if xvmc_drivers_path == ''
 458   xvmc_drivers_path = get_option('libdir')
 459 endif
 460
 461 _omx = get_option('gallium-omx')
 462 if not system_has_kms_drm
 463   if _omx == 'true'
 464     error('OMX state tracker can only be built on unix-like OSes.')
 465   else
 466     _omx = 'false'
 467   endif
 468 elif not (with_platform_x11 or with_platform_drm)
 469   if _omx == 'true'
 470     error('OMX state tracker requires X11 or drm platform support.')
 471   else
 472     _omx = 'false'
 473   endif
 474 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 475   if _omx == 'true'
 476     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 477   else
 478     _omx = 'false'
 479   endif
 480 elif _omx == 'auto'
 481   _omx = 'true'
 482 endif
 483 with_gallium_omx = _omx == 'true'
 484 dep_omx = []
 485 if with_gallium_omx
 486   dep_omx = dependency('libomxil-bellagio')
 487 endif
 488
 489 omx_drivers_path = get_option('omx-libs-path')
 490 if with_gallium_omx
 491   # Figure out where to put the omx driver.
 492   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 493   # argument to meson's get_pkgconfig_variable method.
 494   if omx_drivers_path == ''
 495     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 496     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 497     if _omx_libdir == get_option('libdir')
 498       omx_drivers_path = _omx_drivers_dir
 499     else
 500       _omx_base_dir = []
 501       # This will fail on windows. Does OMX run on windows?
 502       _omx_libdir = _omx_libdir.split('/')
 503       _omx_drivers_dir = _omx_drivers_dir.split('/')
 504       foreach o : _omx_drivers_dir
 505         if not _omx_libdir.contains(o)
 506           _omx_base_dir += o
 507         endif
 508       endforeach
 509       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 510     endif
 511   endif
 512 endif
 513 if with_gallium_omx
 514   dep_omx = declare_dependency(
 515     compile_args : run_command(prog_pkgconfig, ['libomxil-bellagio', '--cflags']).stdout().split()
 516   )
 517 endif
 518
 519 _va = get_option('gallium-va')
 520 if not system_has_kms_drm
 521   if _va == 'true'
 522     error('VA state tracker can only be built on unix-like OSes.')
 523   else
 524     _va = 'false'
 525   endif
 526 elif not (with_platform_x11 or with_platform_drm)
 527   if _va == 'true'
 528     error('VA state tracker requires X11 or drm or wayland platform support.')
 529   else
 530     _va = 'false'
 531   endif
 532 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 533   if _va == 'true'
 534     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 535   else
 536     _va = 'false'
 537   endif
 538 elif _va == 'auto'
 539   _va = 'true'
 540 endif
 541 with_gallium_va = _va == 'true'
 542 dep_va = []
 543 if with_gallium_va
 544   dep_va = dependency('libva', version : '>= 0.38.0')
 545   dep_va = declare_dependency(
 546     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 547   )
 548 endif
 549
 550 va_drivers_path = get_option('va-libs-path')
 551 if va_drivers_path == ''
 552   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 553 endif
 554
 555 _xa = get_option('gallium-xa')
 556 if not system_has_kms_drm
 557   if _xa == 'true'
 558     error('XA state tracker can only be built on unix-like OSes.')
 559   else
 560     _xa = 'false'
 561   endif
 562 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 563           or with_gallium_svga)
 564   if _xa == 'true'
 565     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 566   else
 567     _xa = 'false'
 568   endif
 569 endif
 570 with_gallium_xa = _xa != 'false'
 571
 572 d3d_drivers_path = get_option('d3d-drivers-path')
 573 if d3d_drivers_path == ''
 574   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 575 endif
 576
 577 with_gallium_st_nine =  get_option('gallium-nine')
 578 if with_gallium_st_nine
 579   if not with_gallium_softpipe
 580     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 581   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 582             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 583     error('The nine state tracker requires at least on non-swrast gallium driver.')
 584   endif
 585   if not with_dri3
 586     error('Using nine with wine requires dri3')
 587   endif
 588 endif
 589
 590 _opencl = get_option('gallium-opencl')
 591 if _opencl != 'disabled'
 592   if not with_gallium
 593     error('OpenCL Clover implementation requires at least one gallium driver.')
 594   endif
 595
 596   # TODO: alitvec?
 597   dep_clc = dependency('libclc')
 598   with_gallium_opencl = true
 599   with_opencl_icd = _opencl == 'icd'
 600 else
 601   dep_clc = []
 602   with_gallium_opencl = false
 603   with_gallium_icd = false
 604 endif
 605
 606 gl_pkgconfig_c_flags = []
 607 if with_platform_x11
 608   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 609     pre_args += '-DHAVE_X11_PLATFORM'
 610   endif
 611   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 612     pre_args += '-DUSE_XSHM'
 613   else
 614     pre_args += '-DGLX_INDIRECT_RENDERING'
 615     if with_glx_direct
 616       pre_args += '-DGLX_DIRECT_RENDERING'
 617     endif
 618     if with_dri_platform == 'drm'
 619       pre_args += '-DGLX_USE_DRM'
 620     elif with_dri_platform == 'windows'
 621       pre_args += '-DGLX_USE_WINDOWSGL'
 622     endif
 623   endif
 624 else
 625   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 626   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 627 endif
 628 if with_platform_drm
 629   if with_egl and not with_gbm
 630     error('EGL drm platform requires gbm')
 631   endif
 632   pre_args += '-DHAVE_DRM_PLATFORM'
 633 endif
 634 if with_platform_surfaceless
 635   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 636 endif
 637 if with_platform_android
 638   dep_android = [
 639     dependency('cutils'),
 640     dependency('hardware'),
 641     dependency('sync'),
 642   ]
 643   pre_args += '-DHAVE_ANDROID_PLATFORM'
 644 endif
 645
 646 prog_python2 = find_program('python2')
 647 has_mako = run_command(prog_python2, '-c', 'import mako')
 648 if has_mako.returncode() != 0
 649   error('Python (2.x) mako module required to build mesa.')
 650 endif
 651
 652 cc = meson.get_compiler('c')
 653 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 654   error('When using GCC, version 4.4.6 or later is required.')
 655 endif
 656
 657 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 658 if get_option('buildtype') == 'debug'
 659   pre_args += '-DDEBUG'
 660 endif
 661
 662 if get_option('shader-cache')
 663   pre_args += '-DENABLE_SHADER_CACHE'
 664 elif with_amd_vk
 665   error('Radv requires shader cache support')
 666 endif
 667
 668 # Check for GCC style builtins
 669 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 670              'ffsll', 'popcount', 'popcountll', 'unreachable']
 671   if cc.has_function(b)
 672     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 673   endif
 674 endforeach
 675
 676 # check for GCC __attribute__
 677 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 678              'warn_unused_result', 'weak',]
 679   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 680                  name : '__attribute__((@0@))'.format(a))
 681     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 682   endif
 683 endforeach
 684 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 685                name : '__attribute__((format(...)))')
 686   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 687 endif
 688 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 689                name : '__attribute__((packed))')
 690   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 691 endif
 692 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 693                name : '__attribute__((returns_nonnull))')
 694   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 695 endif
 696 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 697                   int foo_hid(void) __attribute__((visibility("hidden")));
 698                   int foo_int(void) __attribute__((visibility("internal")));
 699                   int foo_pro(void) __attribute__((visibility("protected")));''',
 700                name : '__attribute__((visibility(...)))')
 701   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 702 endif
 703 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 704                name : '__attribute__((alias(...)))')
 705   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 706 endif
 707 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 708                name : '__attribute__((__noreturn__))')
 709   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 710 endif
 711
 712 # TODO: this is very incomplete
 713 if ['linux', 'cygwin'].contains(host_machine.system())
 714   pre_args += '-D_GNU_SOURCE'
 715 endif
 716
 717 # Check for generic C arguments
 718 c_args = []
 719 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 720              '-Werror=missing-prototypes', '-fno-math-errno',
 721              '-fno-trapping-math', '-Qunused-arguments']
 722   if cc.has_argument(a)
 723     c_args += a
 724   endif
 725 endforeach
 726 c_vis_args = []
 727 if cc.has_argument('-fvisibility=hidden')
 728   c_vis_args += '-fvisibility=hidden'
 729 endif
 730
 731 # Check for generic C++ arguments
 732 cpp = meson.get_compiler('cpp')
 733 cpp_args = []
 734 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 735              '-Qunused-arguments']
 736   if cpp.has_argument(a)
 737     cpp_args += a
 738   endif
 739 endforeach
 740
 741 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 742 # option is not supported. Hence, check for -Wfoo instead.
 743 if cpp.has_argument('-Wnon-virtual-dtor')
 744   cpp_args += '-Wno-non-virtual-dtor'
 745 endif
 746
 747 no_override_init_args = []
 748 foreach a : ['override-init', 'initializer-overrides']
 749   if cc.has_argument('-W' + a)
 750     no_override_init_args += '-Wno-' + a
 751   endif
 752 endforeach
 753
 754 cpp_vis_args = []
 755 if cpp.has_argument('-fvisibility=hidden')
 756   cpp_vis_args += '-fvisibility=hidden'
 757 endif
 758
 759 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 760 # in parts of the mesa code base that need to compile with old versions of
 761 # MSVC, mainly common code
 762 c_msvc_compat_args = []
 763 cpp_msvc_compat_args = []
 764 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 765   if cc.has_argument(a)
 766     c_msvc_compat_args += a
 767   endif
 768   if cpp.has_argument(a)
 769     cpp_msvc_compat_args += a
 770   endif
 771 endforeach
 772
 773 if host_machine.cpu_family().startswith('x86')
 774   pre_args += '-DUSE_SSE41'
 775   with_sse41 = true
 776   sse41_args = ['-msse4.1']
 777
 778   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 779   # that's not guaranteed
 780   if host_machine.cpu_family() == 'x86'
 781     sse41_args += '-mstackrealign'
 782   endif
 783 else
 784   with_sse41 = false
 785   sse41_args = []
 786 endif
 787
 788 # Check for GCC style atomics
 789 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 790                name : 'GCC atomic builtins')
 791   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 792 endif
 793 if not cc.links('''#include <stdint.h>
 794                    uint64_t v;
 795                    int main() {
 796                      return __sync_add_and_fetch(&v, (uint64_t)1);
 797                    }''',
 798                 name : 'GCC 64bit atomics')
 799   pre_args += '-DMISSING_64_BIT_ATOMICS'
 800 endif
 801
 802 # TODO: endian
 803 # TODO: powr8
 804 # TODO: shared/static? Is this even worth doing?
 805
 806 # Building x86 assembly code requires running x86 binaries. It is possible for
 807 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 808 # TODO: it should be possible to use an exe_wrapper to run the binary during
 809 # the build.
 810 if meson.is_cross_build()
 811   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 812           and build_machine.system() == host_machine.system())
 813     message('Cross compiling to x86 from non-x86, disabling asm')
 814     with_asm = false
 815   endif
 816 endif
 817
 818 with_asm_arch = ''
 819 if with_asm
 820   # TODO: SPARC and PPC
 821   if host_machine.cpu_family() == 'x86'
 822     if system_has_kms_drm
 823       with_asm_arch = 'x86'
 824       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 825                    '-DUSE_SSE_ASM']
 826     endif
 827   elif host_machine.cpu_family() == 'x86_64'
 828     if system_has_kms_drm
 829       with_asm_arch = 'x86_64'
 830       pre_args += ['-DUSE_X86_64_ASM']
 831     endif
 832   elif host_machine.cpu_family() == 'arm'
 833     if system_has_kms_drm
 834       with_asm_arch = 'arm'
 835       pre_args += ['-DUSE_ARM_ASM']
 836     endif
 837   elif host_machine.cpu_family() == 'aarch64'
 838     if system_has_kms_drm
 839       with_asm_arch = 'aarch64'
 840       pre_args += ['-DUSE_AARCH64_ASM']
 841     endif
 842   endif
 843 endif
 844
 845 # Check for standard headers and functions
 846 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 847   pre_args += '-DMAJOR_IN_SYSMACROS'
 848 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 849   pre_args += '-DMAJOR_IN_MKDEV'
 850 endif
 851
 852 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 853   if cc.has_header(h)
 854     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 855   endif
 856 endforeach
 857
 858 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 859   if cc.has_function(f)
 860     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 861   endif
 862 endforeach
 863
 864 # strtod locale support
 865 if cc.links('''
 866     #define _GNU_SOURCE
 867     #include <stdlib.h>
 868     #include <locale.h>
 869     #ifdef HAVE_XLOCALE_H
 870     #include <xlocale.h>
 871     #endif
 872     int main() {
 873       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 874       const char *s = "1.0";
 875       char *end;
 876       double d = strtod_l(s, end, loc);
 877       float f = strtof_l(s, end, loc);
 878       freelocale(loc);
 879       return 0;
 880     }''',
 881     extra_args : pre_args,
 882     name : 'strtod has locale support')
 883   pre_args += '-DHAVE_STRTOD_L'
 884 endif
 885
 886 # Check for some linker flags
 887 ld_args_bsymbolic = []
 888 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 889   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 890 endif
 891 ld_args_gc_sections = []
 892 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 893             args : '-Wl,--gc-sections', name : 'gc-sections')
 894   ld_args_gc_sections += '-Wl,--gc-sections'
 895 endif
 896 with_ld_version_script = false
 897 if cc.links('int main() { return 0; }',
 898             args : '-Wl,--version-script=@0@'.format(
 899               join_paths(meson.source_root(), 'build-support/conftest.map')),
 900             name : 'version-script')
 901   with_ld_version_script = true
 902 endif
 903 with_ld_dynamic_list = false
 904 if cc.links('int main() { return 0; }',
 905             args : '-Wl,--dynamic-list=@0@'.format(
 906               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 907             name : 'dynamic-list')
 908   with_ld_dynamic_list = true
 909 endif
 910
 911 # check for dl support
 912 if cc.has_function('dlopen')
 913   dep_dl = []
 914 else
 915   dep_dl = cc.find_library('dl')
 916 endif
 917 if cc.has_function('dladdr', dependencies : dep_dl)
 918   # This is really only required for megadrivers
 919   pre_args += '-DHAVE_DLADDR'
 920 endif
 921
 922 if cc.has_function('dl_iterate_phdr')
 923   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 924 elif with_intel_vk
 925   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 926 elif with_dri_i965 and get_option('shader-cache')
 927   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 928 endif
 929
 930 # Determine whether or not the rt library is needed for time functions
 931 if cc.has_function('clock_gettime')
 932   dep_clock = []
 933 else
 934   dep_clock = cc.find_library('rt')
 935 endif
 936
 937 with_gallium_drisw_kms = false
 938 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 939                         required : with_dri2 or with_dri3)
 940 if dep_libdrm.found()
 941   pre_args += '-DHAVE_LIBDRM'
 942   if with_dri_platform == 'drm' and with_dri
 943     with_gallium_drisw_kms = true
 944   endif
 945 endif
 946
 947 # TODO: some of these may be conditional
 948 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 949 pre_args += '-DHAVE_ZLIB'
 950 dep_thread = dependency('threads')
 951 if dep_thread.found() and host_machine.system() != 'windows'
 952   pre_args += '-DHAVE_PTHREAD'
 953 endif
 954 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
 955   dep_elf = dependency('libelf', required : false)
 956   if not dep_elf.found()
 957     dep_elf = cc.find_library('elf')
 958   endif
 959 else
 960   dep_elf = []
 961 endif
 962 dep_expat = dependency('expat')
 963 # this only exists on linux so either this is linux and it will be found, or
 964 # its not linux and and wont
 965 dep_m = cc.find_library('m', required : false)
 966
 967 dep_libdrm_amdgpu = []
 968 dep_libdrm_radeon = []
 969 dep_libdrm_nouveau = []
 970 dep_libdrm_etnaviv = []
 971 dep_libdrm_freedreno = []
 972 if with_amd_vk or with_gallium_radeonsi
 973   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.89')
 974 endif
 975 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
 976     with_gallium_r300 or with_gallium_r600)
 977   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 978 endif
 979 if with_gallium_nouveau or with_dri_nouveau
 980   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 981 endif
 982 if with_gallium_etnaviv
 983   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 984 endif
 985 if with_gallium_freedreno
 986   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.89')
 987 endif
 988
 989 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 990 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
 991   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 992   if with_gallium_r600
 993     llvm_modules += 'asmparser'
 994   endif
 995 endif
 996 if with_gallium_opencl
 997   llvm_modules += [
 998     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
 999     'lto', 'option', 'objcarcopts', 'profiledata',
1000   ]
1001   # TODO: optional modules
1002 endif
1003
1004 if with_amd_vk or with_gallium_radeonsi
1005   _llvm_version = '>= 4.0.0'
1006 elif with_gallium_opencl or with_gallium_swr or with_gallium_r600
1007   _llvm_version = '>= 3.9.0'
1008 else
1009   _llvm_version = '>= 3.3.0'
1010 endif
1011
1012 _llvm = get_option('llvm')
1013 if _llvm == 'auto'
1014   dep_llvm = dependency(
1015     'llvm', version : _llvm_version, modules : llvm_modules,
1016     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1017   )
1018   with_llvm = dep_llvm.found()
1019 elif _llvm == 'true'
1020   dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1021   with_llvm = true
1022 else
1023   dep_llvm = []
1024   with_llvm = false
1025 endif
1026 if with_llvm
1027   _llvm_version = dep_llvm.version().split('.')
1028   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1029   # that for our version checks.
1030   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1031   # strippped as of 0.44, but we support older meson versions.
1032   _llvm_patch = _llvm_version[2]
1033   if _llvm_patch.endswith('svn')
1034     _llvm_patch = _llvm_patch.split('s')[0]
1035   elif _llvm_patch.contains('git')
1036     _llvm_patch = _llvm_patch.split('g')[0]
1037   endif
1038   pre_args += [
1039     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1040     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1041   ]
1042 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1043   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1044 endif
1045
1046 dep_glvnd = []
1047 if with_glvnd
1048   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1049   pre_args += '-DUSE_LIBGLVND=1'
1050 endif
1051
1052 if with_valgrind != 'false'
1053   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1054   if dep_valgrind.found()
1055     pre_args += '-DHAVE_VALGRIND'
1056   endif
1057 else
1058   dep_valgrind = []
1059 endif
1060
1061 # pthread stubs. Lets not and say we didn't
1062
1063 prog_bison = find_program('bison', required : with_any_opengl)
1064 prog_flex = find_program('flex', required : with_any_opengl)
1065
1066 dep_selinux = []
1067 if get_option('selinux')
1068   dep_selinux = dependency('libselinux')
1069   pre_args += '-DMESA_SELINUX'
1070 endif
1071
1072 # TODO: llvm-prefix and llvm-shared-libs
1073
1074 if with_libunwind != 'false'
1075   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1076   if dep_unwind.found()
1077     pre_args += '-DHAVE_LIBUNWIND'
1078   endif
1079 else
1080   dep_unwind = []
1081 endif
1082
1083 # TODO: gallium-hud
1084
1085 if with_osmesa != 'none'
1086   if with_osmesa == 'classic' and not with_dri_swrast
1087     error('OSMesa classic requires dri (classic) swrast.')
1088   endif
1089   if with_osmesa == 'gallium' and not with_gallium_softpipe
1090     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1091   endif
1092   osmesa_lib_name = 'OSMesa'
1093   osmesa_bits = get_option('osmesa-bits')
1094   if osmesa_bits != '8'
1095     if with_dri or with_glx != 'disabled'
1096       error('OSMesa bits must be 8 if building glx or dir based drivers')
1097     endif
1098     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1099     pre_args += [
1100       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1101     ]
1102   endif
1103 endif
1104
1105 # TODO: symbol mangling
1106
1107 if with_platform_wayland
1108   prog_wl_scanner = find_program('wayland-scanner')
1109   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1110   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1111   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1112   wayland_dmabuf_xml = join_paths(
1113     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1114     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1115   )
1116   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1117 else
1118   prog_wl_scanner = []
1119   dep_wl_protocols = []
1120   dep_wayland_client = []
1121   dep_wayland_server = []
1122   wayland_dmabuf_xml = ''
1123 endif
1124
1125 dep_x11 = []
1126 dep_xext = []
1127 dep_xdamage = []
1128 dep_xfixes = []
1129 dep_x11_xcb = []
1130 dep_xcb = []
1131 dep_xcb_glx = []
1132 dep_xcb_dri2 = []
1133 dep_xcb_dri3 = []
1134 dep_dri2proto = []
1135 dep_glproto = []
1136 dep_xxf86vm = []
1137 dep_xcb_dri3 = []
1138 dep_xcb_present = []
1139 dep_xcb_sync = []
1140 dep_xcb_xfixes = []
1141 dep_xshmfence = []
1142 if with_platform_x11
1143   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1144     dep_x11 = dependency('x11')
1145     dep_xext = dependency('xext')
1146     dep_xcb = dependency('xcb')
1147   elif with_glx == 'dri'
1148     dep_x11 = dependency('x11')
1149     dep_xext = dependency('xext')
1150     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1151     dep_xfixes = dependency('xfixes')
1152     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1153     dep_xxf86vm = dependency('xxf86vm', required : false)
1154   endif
1155   if (with_any_vk or with_glx == 'dri' or
1156        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_omx or
1157         with_gallium_xa))
1158     dep_xcb = dependency('xcb')
1159     dep_x11_xcb = dependency('x11-xcb')
1160   endif
1161   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
1162     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1163
1164     if with_dri3
1165       pre_args += '-DHAVE_DRI3'
1166       dep_xcb_dri3 = dependency('xcb-dri3')
1167       dep_xcb_present = dependency('xcb-present')
1168       dep_xcb_sync = dependency('xcb-sync')
1169       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1170     endif
1171   endif
1172   if with_glx == 'dri'
1173     if with_dri_platform == 'drm'
1174       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1175     endif
1176     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1177   endif
1178   if with_egl
1179     dep_xcb_xfixes = dependency('xcb-xfixes')
1180   endif
1181 endif
1182
1183 if get_option('gallium-extra-hud')
1184   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1185 endif
1186
1187 _sensors = get_option('lmsensors')
1188 if _sensors != 'false'
1189   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1190   if dep_lmsensors.found()
1191     pre_args += '-DHAVE_LIBSENSORS=1'
1192   endif
1193 else
1194   dep_lmsensors = []
1195 endif
1196
1197 # TODO: gallium tests
1198
1199 # TODO: various libdirs
1200
1201 # TODO: gallium driver dirs
1202
1203 # FIXME: this is a workaround for #2326
1204 prog_touch = find_program('touch')
1205 dummy_cpp = custom_target(
1206   'dummy_cpp',
1207   output : 'dummy.cpp',
1208   command : [prog_touch, '@OUTPUT@'],
1209 )
1210
1211 foreach a : pre_args
1212   add_project_arguments(a, language : ['c', 'cpp'])
1213 endforeach
1214 foreach a : c_args
1215   add_project_arguments(a, language : ['c'])
1216 endforeach
1217 foreach a : cpp_args
1218   add_project_arguments(a, language : ['cpp'])
1219 endforeach
1220
1221 inc_include = include_directories('include')
1222
1223 gl_priv_reqs = [
1224   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1225   'xcb-glx >= 1.8.1']
1226 if dep_libdrm.found()
1227   gl_priv_reqs += 'libdrm >= 2.4.75'
1228 endif
1229 if dep_xxf86vm != [] and dep_xxf86vm.found()
1230   gl_priv_reqs += 'xxf86vm'
1231 endif
1232 if with_dri_platform == 'drm'
1233   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1234 endif
1235
1236 gl_priv_libs = []
1237 if dep_thread.found()
1238   gl_priv_libs += ['-lpthread', '-pthread']
1239 endif
1240 if dep_m.found()
1241   gl_priv_libs += '-lm'
1242 endif
1243 if dep_dl != [] and dep_dl.found()
1244   gl_priv_libs += '-ldl'
1245 endif
1246
1247 pkg = import('pkgconfig')
1248
1249 subdir('include')
1250 subdir('bin')
1251 subdir('src')