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