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 null_dep = dependency('', required : false)
  33
  34 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
  35
  36 # Arguments for the preprocessor, put these in a separate array from the C and
  37 # C++ (cpp in meson terminology) arguments since they need to be added to the
  38 # default arguments for both C and C++.
  39 pre_args = [
  40   '-D__STDC_CONSTANT_MACROS',
  41   '-D__STDC_FORMAT_MACROS',
  42   '-D__STDC_LIMIT_MACROS',
  43   '-DVERSION="@0@"'.format(meson.project_version()),
  44   '-DPACKAGE_VERSION=VERSION',
  45   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  46 ]
  47
  48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  49 with_tests = get_option('build-tests')
  50 with_valgrind = get_option('valgrind')
  51 with_libunwind = get_option('libunwind')
  52 with_asm = get_option('asm')
  53 with_osmesa = get_option('osmesa')
  54 with_swr_arches = get_option('swr-arches')
  55 with_tools = get_option('tools')
  56 if with_tools.contains('all')
  57   with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau']
  58 endif
  59 if get_option('texture-float')
  60   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  61   warning('Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  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 with_glx = get_option('glx')
 251 if with_glx == 'auto'
 252   if with_dri
 253     with_glx = 'dri'
 254   elif with_platform_haiku
 255     with_glx = 'disabled'
 256   elif with_gallium
 257     # Even when building just gallium drivers the user probably wants dri
 258     with_glx = 'dri'
 259     with_dri = true
 260   elif with_platform_x11 and with_any_opengl and not with_any_vk
 261     # The automatic behavior should not be to turn on xlib based glx when
 262     # building only vulkan drivers
 263     with_glx = 'xlib'
 264   else
 265     with_glx = 'disabled'
 266   endif
 267 endif
 268
 269 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 270   with_gles1 = false
 271   with_gles2 = false
 272   with_opengl = false
 273   with_any_opengl = false
 274   with_shared_glapi = false
 275 endif
 276
 277 _gbm = get_option('gbm')
 278 if _gbm == 'auto'
 279   with_gbm = system_has_kms_drm and with_dri
 280 else
 281   with_gbm = _gbm == 'true'
 282 endif
 283 if with_gbm and not system_has_kms_drm
 284   error('GBM only supports DRM/KMS platforms')
 285 endif
 286
 287 _egl = get_option('egl')
 288 if _egl == 'auto'
 289   with_egl = with_dri and with_shared_glapi and with_platforms
 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 not with_platforms
 296     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 297   elif not ['disabled', 'dri'].contains(with_glx)
 298     error('EGL requires dri, but a GLX is being built without dri')
 299   endif
 300   with_egl = true
 301 else
 302   with_egl = false
 303 endif
 304
 305 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 306   if with_gallium_radeonsi
 307     error('RadeonSI requires drm or surfaceless platform when using EGL')
 308   endif
 309   if with_gallium_virgl
 310     error('Virgl requires drm or surfaceless platform when using EGL')
 311   endif
 312 endif
 313
 314 pre_args += '-DGLX_USE_TLS'
 315 if with_glx != 'disabled'
 316   if not (with_platform_x11 and with_any_opengl)
 317     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 318   elif with_glx == 'gallium-xlib'
 319     if not with_gallium
 320       error('Gallium-xlib based GLX requires at least one gallium driver')
 321     elif not with_gallium_softpipe
 322       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 323     elif with_dri
 324       error('gallium-xlib conflicts with any dri driver')
 325     endif
 326   elif with_glx == 'xlib'
 327     if with_dri
 328       error('xlib conflicts with any dri driver')
 329     endif
 330   elif with_glx == 'dri'
 331     if not with_dri
 332       error('dri based GLX requires at least one DRI driver')
 333     elif not with_shared_glapi
 334       error('dri based GLX requires shared-glapi')
 335     endif
 336   endif
 337 endif
 338
 339 with_glvnd = get_option('glvnd')
 340 if with_glvnd
 341   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 342     error('Cannot build glvnd support for GLX that is not DRI based.')
 343   elif with_glx == 'disabled' and not with_egl
 344     error('glvnd requires DRI based GLX and/or EGL')
 345   endif
 346 endif
 347
 348 # TODO: toggle for this
 349 with_glx_direct = true
 350
 351 if with_vulkan_icd_dir == ''
 352   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 353 endif
 354
 355 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 356 _dri3 = get_option('dri3')
 357 if _dri3 == 'auto'
 358   with_dri3 = system_has_kms_drm and with_dri2
 359 else
 360   with_dri3 = _dri3 == 'true'
 361 endif
 362
 363 if with_any_vk and (with_platform_x11 and not with_dri3)
 364   error('Vulkan drivers require dri3 for X11 support')
 365 endif
 366 if with_dri or with_gallium
 367   if with_glx == 'disabled' and not with_egl and not with_platform_haiku
 368     error('building dri or gallium drivers require at least one window system')
 369   endif
 370 endif
 371
 372 prog_pkgconfig = find_program('pkg-config')
 373
 374 _vdpau = get_option('gallium-vdpau')
 375 if not system_has_kms_drm
 376   if _vdpau == 'true'
 377     error('VDPAU state tracker can only be build on unix-like OSes.')
 378   else
 379     _vdpau = 'false'
 380   endif
 381 elif not with_platform_x11
 382   if _vdpau == 'true'
 383     error('VDPAU state tracker requires X11 support.')
 384   else
 385     _vdpau = 'false'
 386   endif
 387 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 388           with_gallium_nouveau)
 389   if _vdpau == 'true'
 390     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 391   else
 392     _vdpau = 'false'
 393   endif
 394 elif _vdpau == 'auto'
 395   _vdpau = 'true'
 396 endif
 397 with_gallium_vdpau = _vdpau == 'true'
 398 dep_vdpau = null_dep
 399 if with_gallium_vdpau
 400   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 401   dep_vdpau = declare_dependency(
 402     compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 403   )
 404 endif
 405
 406 if with_gallium_vdpau
 407   pre_args += '-DHAVE_ST_VDPAU'
 408 endif
 409 vdpau_drivers_path = get_option('vdpau-libs-path')
 410 if vdpau_drivers_path == ''
 411   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 412 endif
 413
 414 _xvmc = get_option('gallium-xvmc')
 415 if not system_has_kms_drm
 416   if _xvmc == 'true'
 417     error('XVMC state tracker can only be build on unix-like OSes.')
 418   else
 419     _xvmc = 'false'
 420   endif
 421 elif not with_platform_x11
 422   if _xvmc == 'true'
 423     error('XVMC state tracker requires X11 support.')
 424   else
 425     _xvmc = 'false'
 426   endif
 427 elif not (with_gallium_r600 or with_gallium_nouveau)
 428   if _xvmc == 'true'
 429     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 430   else
 431     _xvmc = 'false'
 432   endif
 433 elif _xvmc == 'auto'
 434   _xvmc = 'true'
 435 endif
 436 with_gallium_xvmc = _xvmc == 'true'
 437 dep_xvmc = null_dep
 438 if with_gallium_xvmc
 439   dep_xvmc = dependency('xvmc', version : '>= 1.0.6')
 440 endif
 441
 442 xvmc_drivers_path = get_option('xvmc-libs-path')
 443 if xvmc_drivers_path == ''
 444   xvmc_drivers_path = get_option('libdir')
 445 endif
 446
 447 _omx = get_option('gallium-omx')
 448 if not system_has_kms_drm
 449   if ['auto', 'disabled'].contains(_omx)
 450     _omx = 'disabled'
 451   else
 452     error('OMX state tracker can only be built on unix-like OSes.')
 453   endif
 454 elif not (with_platform_x11 or with_platform_drm)
 455   if ['auto', 'disabled'].contains(_omx)
 456     _omx = 'disabled'
 457   else
 458     error('OMX state tracker requires X11 or drm platform support.')
 459   endif
 460 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 461   if ['auto', 'disabled'].contains(_omx)
 462     _omx = 'disabled'
 463   else
 464     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 465   endif
 466 endif
 467 with_gallium_omx = _omx
 468 dep_omx = null_dep
 469 dep_omx_other = []
 470 if ['auto', 'bellagio'].contains(_omx)
 471   dep_omx = dependency(
 472     'libomxil-bellagio', required : _omx == 'bellagio'
 473   )
 474   if dep_omx.found()
 475     with_gallium_omx = 'bellagio'
 476   endif
 477 endif
 478 if ['auto', 'tizonia'].contains(_omx)
 479   if with_dri and with_egl
 480     dep_omx = dependency(
 481       'libtizonia', version : '>= 0.10.0',
 482       required : _omx == 'tizonia',
 483     )
 484     dep_omx_other = [
 485       dependency('libtizplatform', required : _omx == 'tizonia'),
 486       dependency('tizilheaders', required : _omx == 'tizonia'),
 487     ]
 488     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 489       with_gallium_omx = 'tizonia'
 490     endif
 491   elif _omx == 'tizonia'
 492     error('OMX-Tizonia state tracker requires dri and egl')
 493   endif
 494 endif
 495 if _omx == 'auto'
 496   with_gallium_omx = 'disabled'
 497 else
 498   with_gallium_omx = _omx
 499 endif
 500
 501 pre_args += [
 502   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 503   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 504 ]
 505
 506
 507 omx_drivers_path = get_option('omx-libs-path')
 508
 509 if with_gallium_omx != 'disabled'
 510   # Figure out where to put the omx driver.
 511   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 512   # argument to meson's get_pkgconfig_variable method.
 513   if omx_drivers_path == ''
 514     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 515     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 516     if _omx_libdir == get_option('libdir')
 517       omx_drivers_path = _omx_drivers_dir
 518     else
 519       _omx_base_dir = []
 520       # This will fail on windows. Does OMX run on windows?
 521       _omx_libdir = _omx_libdir.split('/')
 522       _omx_drivers_dir = _omx_drivers_dir.split('/')
 523       foreach o : _omx_drivers_dir
 524         if not _omx_libdir.contains(o)
 525           _omx_base_dir += o
 526         endif
 527       endforeach
 528       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 529     endif
 530   endif
 531 endif
 532
 533 _va = get_option('gallium-va')
 534 if not system_has_kms_drm
 535   if _va == 'true'
 536     error('VA state tracker can only be built on unix-like OSes.')
 537   else
 538     _va = 'false'
 539   endif
 540 elif not (with_platform_x11 or with_platform_drm)
 541   if _va == 'true'
 542     error('VA state tracker requires X11 or drm or wayland platform support.')
 543   else
 544     _va = 'false'
 545   endif
 546 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 547   if _va == 'true'
 548     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 549   else
 550     _va = 'false'
 551   endif
 552 elif _va == 'auto'
 553   _va = 'true'
 554 endif
 555 with_gallium_va = _va == 'true'
 556 dep_va = null_dep
 557 if with_gallium_va
 558   dep_va = dependency('libva', version : '>= 0.39.0')
 559   dep_va_headers = declare_dependency(
 560     compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 561   )
 562 endif
 563
 564 va_drivers_path = get_option('va-libs-path')
 565 if va_drivers_path == ''
 566   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 567 endif
 568
 569 _xa = get_option('gallium-xa')
 570 if not system_has_kms_drm
 571   if _xa == 'true'
 572     error('XA state tracker can only be built on unix-like OSes.')
 573   else
 574     _xa = 'false'
 575   endif
 576 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 577           or with_gallium_svga)
 578   if _xa == 'true'
 579     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 580   else
 581     _xa = 'false'
 582   endif
 583 endif
 584 with_gallium_xa = _xa != 'false'
 585
 586 d3d_drivers_path = get_option('d3d-drivers-path')
 587 if d3d_drivers_path == ''
 588   d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
 589 endif
 590
 591 with_gallium_st_nine =  get_option('gallium-nine')
 592 if with_gallium_st_nine
 593   if not with_gallium_softpipe
 594     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 595   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 596             or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
 597     error('The nine state tracker requires at least on non-swrast gallium driver.')
 598   endif
 599   if not with_dri3
 600     error('Using nine with wine requires dri3')
 601   endif
 602 endif
 603
 604 _opencl = get_option('gallium-opencl')
 605 if _opencl != 'disabled'
 606   if not with_gallium
 607     error('OpenCL Clover implementation requires at least one gallium driver.')
 608   endif
 609
 610   # TODO: alitvec?
 611   dep_clc = dependency('libclc')
 612   with_gallium_opencl = true
 613   with_opencl_icd = _opencl == 'icd'
 614 else
 615   dep_clc = null_dep
 616   with_gallium_opencl = false
 617   with_gallium_icd = false
 618 endif
 619
 620 gl_pkgconfig_c_flags = []
 621 if with_platform_x11
 622   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 623     pre_args += '-DHAVE_X11_PLATFORM'
 624   endif
 625   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 626     pre_args += '-DUSE_XSHM'
 627   else
 628     pre_args += '-DGLX_INDIRECT_RENDERING'
 629     if with_glx_direct
 630       pre_args += '-DGLX_DIRECT_RENDERING'
 631     endif
 632     if with_dri_platform == 'drm'
 633       pre_args += '-DGLX_USE_DRM'
 634     elif with_dri_platform == 'apple'
 635       pre_args += '-DGLX_USE_APPLEGL'
 636     elif with_dri_platform == 'windows'
 637       pre_args += '-DGLX_USE_WINDOWSGL'
 638     endif
 639   endif
 640 else
 641   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 642   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 643 endif
 644 if with_platform_drm
 645   if with_egl and not with_gbm
 646     error('EGL drm platform requires gbm')
 647   endif
 648   pre_args += '-DHAVE_DRM_PLATFORM'
 649 endif
 650 if with_platform_surfaceless
 651   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 652 endif
 653 if with_platform_android
 654   dep_android = [
 655     dependency('cutils'),
 656     dependency('hardware'),
 657     dependency('sync'),
 658   ]
 659   pre_args += '-DHAVE_ANDROID_PLATFORM'
 660 endif
 661 if with_platform_haiku
 662   pre_args += '-DHAVE_HAIKU_PLATFORM'
 663 endif
 664
 665 prog_python2 = find_program('python2')
 666 has_mako = run_command(prog_python2, '-c', 'import mako')
 667 if has_mako.returncode() != 0
 668   error('Python (2.x) mako module required to build mesa.')
 669 endif
 670
 671 cc = meson.get_compiler('c')
 672 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 673   error('When using GCC, version 4.4.6 or later is required.')
 674 endif
 675
 676 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 677 if get_option('buildtype') == 'debug'
 678   pre_args += '-DDEBUG'
 679 endif
 680
 681 if get_option('shader-cache')
 682   pre_args += '-DENABLE_SHADER_CACHE'
 683 elif with_amd_vk
 684   error('Radv requires shader cache support')
 685 endif
 686
 687 # Check for GCC style builtins
 688 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 689              'ffsll', 'popcount', 'popcountll', 'unreachable']
 690   if cc.has_function(b)
 691     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 692   endif
 693 endforeach
 694
 695 # check for GCC __attribute__
 696 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 697              'warn_unused_result', 'weak',]
 698   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 699                  name : '__attribute__((@0@))'.format(a))
 700     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 701   endif
 702 endforeach
 703 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 704                name : '__attribute__((format(...)))')
 705   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 706 endif
 707 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 708                name : '__attribute__((packed))')
 709   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 710 endif
 711 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 712                name : '__attribute__((returns_nonnull))')
 713   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 714 endif
 715 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 716                   int foo_hid(void) __attribute__((visibility("hidden")));
 717                   int foo_int(void) __attribute__((visibility("internal")));
 718                   int foo_pro(void) __attribute__((visibility("protected")));''',
 719                name : '__attribute__((visibility(...)))')
 720   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 721 endif
 722 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 723                name : '__attribute__((alias(...)))')
 724   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 725 endif
 726 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 727                name : '__attribute__((__noreturn__))')
 728   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 729 endif
 730
 731 # TODO: this is very incomplete
 732 if ['linux', 'cygwin'].contains(host_machine.system())
 733   pre_args += '-D_GNU_SOURCE'
 734 endif
 735
 736 # Check for generic C arguments
 737 c_args = []
 738 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 739              '-Werror=missing-prototypes', '-fno-math-errno',
 740              '-fno-trapping-math', '-Qunused-arguments']
 741   if cc.has_argument(a)
 742     c_args += a
 743   endif
 744 endforeach
 745 c_vis_args = []
 746 if cc.has_argument('-fvisibility=hidden')
 747   c_vis_args += '-fvisibility=hidden'
 748 endif
 749
 750 # Check for generic C++ arguments
 751 cpp = meson.get_compiler('cpp')
 752 cpp_args = []
 753 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 754              '-Qunused-arguments']
 755   if cpp.has_argument(a)
 756     cpp_args += a
 757   endif
 758 endforeach
 759
 760 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 761 # option is not supported. Hence, check for -Wfoo instead.
 762 if cpp.has_argument('-Wnon-virtual-dtor')
 763   cpp_args += '-Wno-non-virtual-dtor'
 764 endif
 765
 766 no_override_init_args = []
 767 foreach a : ['override-init', 'initializer-overrides']
 768   if cc.has_argument('-W' + a)
 769     no_override_init_args += '-Wno-' + a
 770   endif
 771 endforeach
 772
 773 cpp_vis_args = []
 774 if cpp.has_argument('-fvisibility=hidden')
 775   cpp_vis_args += '-fvisibility=hidden'
 776 endif
 777
 778 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 779 # in parts of the mesa code base that need to compile with old versions of
 780 # MSVC, mainly common code
 781 c_msvc_compat_args = []
 782 cpp_msvc_compat_args = []
 783 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 784   if cc.has_argument(a)
 785     c_msvc_compat_args += a
 786   endif
 787   if cpp.has_argument(a)
 788     cpp_msvc_compat_args += a
 789   endif
 790 endforeach
 791
 792 if host_machine.cpu_family().startswith('x86')
 793   pre_args += '-DUSE_SSE41'
 794   with_sse41 = true
 795   sse41_args = ['-msse4.1']
 796
 797   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 798   # that's not guaranteed
 799   if host_machine.cpu_family() == 'x86'
 800     sse41_args += '-mstackrealign'
 801   endif
 802 else
 803   with_sse41 = false
 804   sse41_args = []
 805 endif
 806
 807 # Check for GCC style atomics
 808 dep_atomic = null_dep
 809
 810 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 811                name : 'GCC atomic builtins')
 812   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 813
 814   # Not all atomic calls can be turned into lock-free instructions, in which
 815   # GCC will make calls into the libatomic library. Check whether we need to
 816   # link with -latomic.
 817   #
 818   # This can happen for 64-bit atomic operations on 32-bit architectures such
 819   # as ARM.
 820   if not cc.links('''#include <stdint.h>
 821                      int main() {
 822                        struct {
 823                          uint64_t *v;
 824                        } x;
 825                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE);
 826                      }''',
 827                   name : 'GCC atomic builtins required -latomic')
 828     dep_atomic = cc.find_library('atomic')
 829   endif
 830 endif
 831 if not cc.links('''#include <stdint.h>
 832                    uint64_t v;
 833                    int main() {
 834                      return __sync_add_and_fetch(&v, (uint64_t)1);
 835                    }''',
 836                 name : 'GCC 64bit atomics')
 837   pre_args += '-DMISSING_64_BIT_ATOMICS'
 838 endif
 839
 840 # TODO: endian
 841 # TODO: powr8
 842 # TODO: shared/static? Is this even worth doing?
 843
 844 # Building x86 assembly code requires running x86 binaries. It is possible for
 845 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 846 # TODO: it should be possible to use an exe_wrapper to run the binary during
 847 # the build.
 848 if meson.is_cross_build()
 849   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 850           and build_machine.system() == host_machine.system())
 851     message('Cross compiling to x86 from non-x86, disabling asm')
 852     with_asm = false
 853   endif
 854 endif
 855
 856 with_asm_arch = ''
 857 if with_asm
 858   # TODO: SPARC and PPC
 859   if host_machine.cpu_family() == 'x86'
 860     if system_has_kms_drm
 861       with_asm_arch = 'x86'
 862       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 863                    '-DUSE_SSE_ASM']
 864     endif
 865   elif host_machine.cpu_family() == 'x86_64'
 866     if system_has_kms_drm
 867       with_asm_arch = 'x86_64'
 868       pre_args += ['-DUSE_X86_64_ASM']
 869     endif
 870   elif host_machine.cpu_family() == 'arm'
 871     if system_has_kms_drm
 872       with_asm_arch = 'arm'
 873       pre_args += ['-DUSE_ARM_ASM']
 874     endif
 875   elif host_machine.cpu_family() == 'aarch64'
 876     if system_has_kms_drm
 877       with_asm_arch = 'aarch64'
 878       pre_args += ['-DUSE_AARCH64_ASM']
 879     endif
 880   endif
 881 endif
 882
 883 # Check for standard headers and functions
 884 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 885   pre_args += '-DMAJOR_IN_SYSMACROS'
 886 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 887   pre_args += '-DMAJOR_IN_MKDEV'
 888 endif
 889
 890 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h']
 891   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
 892     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 893   endif
 894 endforeach
 895
 896 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 897   if cc.has_function(f)
 898     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 899   endif
 900 endforeach
 901
 902 # strtod locale support
 903 if cc.links('''
 904     #define _GNU_SOURCE
 905     #include <stdlib.h>
 906     #include <locale.h>
 907     #ifdef HAVE_XLOCALE_H
 908     #include <xlocale.h>
 909     #endif
 910     int main() {
 911       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 912       const char *s = "1.0";
 913       char *end;
 914       double d = strtod_l(s, end, loc);
 915       float f = strtof_l(s, end, loc);
 916       freelocale(loc);
 917       return 0;
 918     }''',
 919     extra_args : pre_args,
 920     name : 'strtod has locale support')
 921   pre_args += '-DHAVE_STRTOD_L'
 922 endif
 923
 924 # Check for some linker flags
 925 ld_args_bsymbolic = []
 926 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 927   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 928 endif
 929 ld_args_gc_sections = []
 930 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 931             args : '-Wl,--gc-sections', name : 'gc-sections')
 932   ld_args_gc_sections += '-Wl,--gc-sections'
 933 endif
 934 with_ld_version_script = false
 935 if cc.links('int main() { return 0; }',
 936             args : '-Wl,--version-script=@0@'.format(
 937               join_paths(meson.source_root(), 'build-support/conftest.map')),
 938             name : 'version-script')
 939   with_ld_version_script = true
 940 endif
 941 with_ld_dynamic_list = false
 942 if cc.links('int main() { return 0; }',
 943             args : '-Wl,--dynamic-list=@0@'.format(
 944               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 945             name : 'dynamic-list')
 946   with_ld_dynamic_list = true
 947 endif
 948 ld_args_build_id = []
 949 if build_machine.system() != 'darwin'
 950    ld_args_build_id += '-Wl,--build-id=sha1'
 951 endif
 952
 953 # check for dl support
 954 if cc.has_function('dlopen')
 955   dep_dl = null_dep
 956 else
 957   dep_dl = cc.find_library('dl')
 958 endif
 959 if cc.has_function('dladdr', dependencies : dep_dl)
 960   # This is really only required for megadrivers
 961   pre_args += '-DHAVE_DLADDR'
 962 endif
 963
 964 if cc.has_function('dl_iterate_phdr')
 965   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 966 elif with_intel_vk
 967   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 968 elif with_dri_i965 and get_option('shader-cache')
 969   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 970 endif
 971
 972 # Determine whether or not the rt library is needed for time functions
 973 if cc.has_function('clock_gettime')
 974   dep_clock = null_dep
 975 else
 976   dep_clock = cc.find_library('rt')
 977 endif
 978
 979 # TODO: some of these may be conditional
 980 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 981 pre_args += '-DHAVE_ZLIB'
 982 dep_thread = dependency('threads')
 983 if dep_thread.found() and host_machine.system() != 'windows'
 984   pre_args += '-DHAVE_PTHREAD'
 985 endif
 986 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
 987   dep_elf = dependency('libelf', required : false)
 988   if not dep_elf.found()
 989     dep_elf = cc.find_library('elf')
 990   endif
 991 else
 992   dep_elf = null_dep
 993 endif
 994 dep_expat = dependency('expat')
 995 # this only exists on linux so either this is linux and it will be found, or
 996 # its not linux and and wont
 997 dep_m = cc.find_library('m', required : false)
 998
 999 # Check for libdrm. various drivers have different libdrm version requirements,
1000 # but we always want to use the same version for all libdrm modules. That means
1001 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1002 # bar are both on use 2.4.3 for both of them
1003 dep_libdrm_amdgpu = null_dep
1004 dep_libdrm_radeon = null_dep
1005 dep_libdrm_nouveau = null_dep
1006 dep_libdrm_etnaviv = null_dep
1007 dep_libdrm_freedreno = null_dep
1008 dep_libdrm_intel = null_dep
1009
1010 _drm_amdgpu_ver = '2.4.91'
1011 _drm_radeon_ver = '2.4.71'
1012 _drm_nouveau_ver = '2.4.66'
1013 _drm_etnaviv_ver = '2.4.89'
1014 _drm_freedreno_ver = '2.4.92'
1015 _drm_intel_ver = '2.4.75'
1016 _drm_ver = '2.4.75'
1017
1018 _libdrm_checks = [
1019   ['intel', with_dri_i915 or with_gallium_i915],
1020   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1021   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1022               with_gallium_r300 or with_gallium_r600)],
1023   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1024   ['etnaviv', with_gallium_etnaviv],
1025   ['freedreno', with_gallium_freedreno],
1026 ]
1027
1028 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1029 # library.
1030 if with_gallium_vc4
1031   _drm_ver = '2.4.89'
1032 endif
1033
1034 # Loop over the enables versions and get the highest libdrm requirement for all
1035 # active drivers.
1036 foreach d : _libdrm_checks
1037   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1038   if d[1] and ver.version_compare('>' + _drm_ver)
1039     _drm_ver = ver
1040   endif
1041 endforeach
1042
1043 # Then get each libdrm module
1044 foreach d : _libdrm_checks
1045   if d[1]
1046     set_variable(
1047       'dep_libdrm_' + d[0],
1048       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1049     )
1050   endif
1051 endforeach
1052
1053 with_gallium_drisw_kms = false
1054 dep_libdrm = dependency(
1055   'libdrm', version : '>=' + _drm_ver,
1056   required : with_dri2 or with_dri3
1057 )
1058 if dep_libdrm.found()
1059   pre_args += '-DHAVE_LIBDRM'
1060   if with_dri_platform == 'drm' and with_dri
1061     with_gallium_drisw_kms = true
1062   endif
1063 endif
1064
1065 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1066 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1067   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1068   if with_gallium_r600
1069     llvm_modules += 'asmparser'
1070   endif
1071 endif
1072 if with_gallium_opencl
1073   llvm_modules += [
1074     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1075     'lto', 'option', 'objcarcopts', 'profiledata',
1076   ]
1077   # TODO: optional modules
1078 endif
1079
1080 if with_amd_vk or with_gallium_radeonsi
1081   _llvm_version = '>= 5.0.0'
1082 elif with_gallium_swr
1083   _llvm_version = '>= 4.0.0'
1084 elif with_gallium_opencl or with_gallium_r600
1085   _llvm_version = '>= 3.9.0'
1086 else
1087   _llvm_version = '>= 3.3.0'
1088 endif
1089
1090 _llvm = get_option('llvm')
1091 if _llvm == 'auto'
1092   dep_llvm = dependency(
1093     'llvm', version : _llvm_version, modules : llvm_modules,
1094     required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1095   )
1096   with_llvm = dep_llvm.found()
1097 elif _llvm == 'true'
1098   dep_llvm = dependency('llvm', version : _llvm_version, modules : llvm_modules)
1099   with_llvm = true
1100 else
1101   dep_llvm = null_dep
1102   with_llvm = false
1103 endif
1104 if with_llvm
1105   _llvm_version = dep_llvm.version().split('.')
1106   # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1107   # that for our version checks.
1108   # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1109   # strippped as of 0.44, but we support older meson versions.
1110
1111   # 3 digits versions in LLVM only started from 3.4.1 on
1112   if dep_llvm.version().version_compare('>= 3.4.1')
1113     _llvm_patch = _llvm_version[2]
1114   else
1115     _llvm_patch = '0'
1116   endif
1117
1118   if _llvm_patch.endswith('svn')
1119     _llvm_patch = _llvm_patch.split('s')[0]
1120   elif _llvm_patch.contains('git')
1121     _llvm_patch = _llvm_patch.split('g')[0]
1122   endif
1123   pre_args += [
1124     '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1125     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1126   ]
1127
1128   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1129   # programs, so we need to build all C++ code in mesa without rtti as well to
1130   # ensure that linking works.
1131   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1132     cpp_args += '-fno-rtti'
1133   endif
1134 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1135   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1136 endif
1137
1138 dep_glvnd = null_dep
1139 if with_glvnd
1140   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1141   pre_args += '-DUSE_LIBGLVND=1'
1142 endif
1143
1144 if with_valgrind != 'false'
1145   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1146   if dep_valgrind.found()
1147     pre_args += '-DHAVE_VALGRIND'
1148   endif
1149 else
1150   dep_valgrind = null_dep
1151 endif
1152
1153 # pthread stubs. Lets not and say we didn't
1154
1155 prog_bison = find_program('bison', required : with_any_opengl)
1156 prog_flex = find_program('flex', required : with_any_opengl)
1157
1158 dep_selinux = null_dep
1159 if get_option('selinux')
1160   dep_selinux = dependency('libselinux')
1161   pre_args += '-DMESA_SELINUX'
1162 endif
1163
1164 # TODO: llvm-prefix and llvm-shared-libs
1165
1166 if with_libunwind != 'false'
1167   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1168   if dep_unwind.found()
1169     pre_args += '-DHAVE_LIBUNWIND'
1170   endif
1171 else
1172   dep_unwind = null_dep
1173 endif
1174
1175 # TODO: gallium-hud
1176
1177 if with_osmesa != 'none'
1178   if with_osmesa == 'classic' and not with_dri_swrast
1179     error('OSMesa classic requires dri (classic) swrast.')
1180   endif
1181   if with_osmesa == 'gallium' and not with_gallium_softpipe
1182     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1183   endif
1184   osmesa_lib_name = 'OSMesa'
1185   osmesa_bits = get_option('osmesa-bits')
1186   if osmesa_bits != '8'
1187     if with_dri or with_glx != 'disabled'
1188       error('OSMesa bits must be 8 if building glx or dir based drivers')
1189     endif
1190     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1191     pre_args += [
1192       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1193     ]
1194   endif
1195 endif
1196
1197 # TODO: symbol mangling
1198
1199 if with_platform_wayland
1200   prog_wl_scanner = find_program('wayland-scanner')
1201   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1202   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1203   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1204   if with_egl
1205     dep_wayland_egl = dependency('wayland-egl', version : '>=1.15')
1206   endif
1207   wayland_dmabuf_xml = join_paths(
1208     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1209     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1210   )
1211   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1212 else
1213   prog_wl_scanner = []
1214   dep_wl_protocols = null_dep
1215   dep_wayland_client = null_dep
1216   dep_wayland_server = null_dep
1217   wayland_dmabuf_xml = ''
1218 endif
1219
1220 dep_x11 = null_dep
1221 dep_xext = null_dep
1222 dep_xdamage = null_dep
1223 dep_xfixes = null_dep
1224 dep_x11_xcb = null_dep
1225 dep_xcb = null_dep
1226 dep_xcb_glx = null_dep
1227 dep_xcb_dri2 = null_dep
1228 dep_xcb_dri3 = null_dep
1229 dep_dri2proto = null_dep
1230 dep_glproto = null_dep
1231 dep_xxf86vm = null_dep
1232 dep_xcb_dri3 = null_dep
1233 dep_xcb_present = null_dep
1234 dep_xcb_sync = null_dep
1235 dep_xcb_xfixes = null_dep
1236 dep_xshmfence = null_dep
1237 if with_platform_x11
1238   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1239     dep_x11 = dependency('x11')
1240     dep_xext = dependency('xext')
1241     dep_xcb = dependency('xcb')
1242   elif with_glx == 'dri'
1243     dep_x11 = dependency('x11')
1244     dep_xext = dependency('xext')
1245     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1246     dep_xfixes = dependency('xfixes')
1247     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1248     dep_xxf86vm = dependency('xxf86vm', required : false)
1249   endif
1250   if (with_any_vk or with_glx == 'dri' or
1251        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1252         with_gallium_omx != 'disabled'))
1253     dep_xcb = dependency('xcb')
1254     dep_x11_xcb = dependency('x11-xcb')
1255   endif
1256   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1257     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1258
1259     if with_dri3
1260       pre_args += '-DHAVE_DRI3'
1261       dep_xcb_dri3 = dependency('xcb-dri3')
1262       dep_xcb_present = dependency('xcb-present')
1263       # until xcb-dri3 has been around long enough to make a hard-dependency:
1264       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1265           dep_xcb_present.version().version_compare('>= 1.13'))
1266         pre_args += '-DHAVE_DRI3_MODIFIERS'
1267       endif
1268       dep_xcb_sync = dependency('xcb-sync')
1269       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1270     endif
1271   endif
1272   if with_glx == 'dri'
1273     if with_dri_platform == 'drm'
1274       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1275     endif
1276     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1277   endif
1278   if (with_egl or (
1279       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1280       with_gallium_omx != 'disabled'))
1281     dep_xcb_xfixes = dependency('xcb-xfixes')
1282   endif
1283 endif
1284
1285 if get_option('gallium-extra-hud')
1286   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1287 endif
1288
1289 _sensors = get_option('lmsensors')
1290 if _sensors != 'false'
1291   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1292   if dep_lmsensors.found()
1293     pre_args += '-DHAVE_LIBSENSORS=1'
1294   endif
1295 else
1296   dep_lmsensors = null_dep
1297 endif
1298
1299 # TODO: various libdirs
1300
1301 # TODO: gallium driver dirs
1302
1303 foreach a : pre_args
1304   add_project_arguments(a, language : ['c', 'cpp'])
1305 endforeach
1306 foreach a : c_args
1307   add_project_arguments(a, language : ['c'])
1308 endforeach
1309 foreach a : cpp_args
1310   add_project_arguments(a, language : ['cpp'])
1311 endforeach
1312
1313 inc_include = include_directories('include')
1314
1315 gl_priv_reqs = [
1316   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1317   'xcb-glx >= 1.8.1']
1318 if dep_libdrm.found()
1319   gl_priv_reqs += 'libdrm >= 2.4.75'
1320 endif
1321 if dep_xxf86vm.found()
1322   gl_priv_reqs += 'xxf86vm'
1323 endif
1324 if with_dri_platform == 'drm'
1325   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1326 endif
1327
1328 gl_priv_libs = []
1329 if dep_thread.found()
1330   gl_priv_libs += ['-lpthread', '-pthread']
1331 endif
1332 if dep_m.found()
1333   gl_priv_libs += '-lm'
1334 endif
1335 if dep_dl.found()
1336   gl_priv_libs += '-ldl'
1337 endif
1338
1339 pkg = import('pkgconfig')
1340
1341 env_test = environment()
1342 env_test.set('NM', find_program('nm').path())
1343
1344 subdir('include')
1345 subdir('bin')
1346 subdir('src')