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 if get_option('texture-float')
  51   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  52   message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  53 endif
  54
  55 dri_drivers_path = get_option('dri-drivers-path')
  56 if dri_drivers_path == ''
  57   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  58 endif
  59
  60 with_gles1 = get_option('gles1')
  61 with_gles2 = get_option('gles2')
  62 with_opengl = get_option('opengl')
  63 with_any_opengl = with_opengl or with_gles1 or with_gles2
  64 # Only build shared_glapi if at least one OpenGL API is enabled
  65 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  66
  67
  68 # shared-glapi is required if at least two OpenGL APIs are being built
  69 if not with_shared_glapi
  70   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  71       or (with_gles2 and with_opengl))
  72     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  73   endif
  74 endif
  75
  76 # We require OpenGL for OpenGL ES
  77 if (with_gles1 or with_gles2) and not with_opengl
  78   error('building OpenGL ES without OpenGL is not supported.')
  79 endif
  80
  81 with_dri = false
  82 with_dri_i915 = false
  83 with_dri_i965 = false
  84 with_dri_r100 = false
  85 with_dri_r200 = false
  86 with_dri_nouveau = false
  87 with_dri_swrast = false
  88 _drivers = get_option('dri-drivers')
  89 if _drivers == 'auto'
  90   # TODO: PPC, Sparc
  91   if not ['darwin', 'windows'].contains(host_machine.system())
  92     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  93       _drivers = 'i915,i965,r100,r200,nouveau'
  94     else
  95       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
  96     endif
  97   else
  98     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
  99   endif
 100 endif
 101 if _drivers != ''
 102   _split = _drivers.split(',')
 103   with_dri_i915 = _split.contains('i915')
 104   with_dri_i965 = _split.contains('i965')
 105   with_dri_r100 = _split.contains('r100')
 106   with_dri_r200 = _split.contains('r200')
 107   with_dri_nouveau = _split.contains('nouveau')
 108   with_dri_swrast = _split.contains('swrast')
 109   with_dri = true
 110 endif
 111
 112 with_gallium = false
 113 with_gallium_pl111 = false
 114 with_gallium_radeonsi = false
 115 with_gallium_r300 = false
 116 with_gallium_r600 = false
 117 with_gallium_nouveau = false
 118 with_gallium_freedreno = false
 119 with_gallium_softpipe = false
 120 with_gallium_vc4 = false
 121 with_gallium_vc5 = false
 122 with_gallium_etnaviv = false
 123 with_gallium_imx = false
 124 with_gallium_i915 = false
 125 with_gallium_svga = false
 126 with_gallium_virgl = false
 127 _drivers = get_option('gallium-drivers')
 128 if _drivers == 'auto'
 129   if not ['darwin', 'windows'].contains(host_machine.system())
 130     # TODO: PPC, Sparc
 131     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 132       _drivers = 'r300,r600,radeonsi,nouveau,virgl,svga,swrast'
 133     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 134       _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,virgl,svga,swrast'
 135     else
 136       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 137     endif
 138   else
 139     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 140   endif
 141 endif
 142 if _drivers != ''
 143   _split = _drivers.split(',')
 144   with_gallium_pl111 = _split.contains('pl111')
 145   with_gallium_radeonsi = _split.contains('radeonsi')
 146   with_gallium_r300 = _split.contains('r300')
 147   with_gallium_r600 = _split.contains('r600')
 148   with_gallium_nouveau = _split.contains('nouveau')
 149   with_gallium_freedreno = _split.contains('freedreno')
 150   with_gallium_softpipe = _split.contains('swrast')
 151   with_gallium_vc4 = _split.contains('vc4')
 152   with_gallium_vc5 = _split.contains('vc5')
 153   with_gallium_etnaviv = _split.contains('etnaviv')
 154   with_gallium_imx = _split.contains('imx')
 155   with_gallium_i915 = _split.contains('i915')
 156   with_gallium_svga = _split.contains('svga')
 157   with_gallium_virgl = _split.contains('virgl')
 158   with_gallium = true
 159 endif
 160
 161 with_intel_vk = false
 162 with_amd_vk = false
 163 with_any_vk = false
 164 _vulkan_drivers = get_option('vulkan-drivers')
 165 if _vulkan_drivers == 'auto'
 166   if not ['darwin', 'windows'].contains(host_machine.system())
 167     if host_machine.cpu_family().startswith('x86')
 168       _vulkan_drivers = 'amd,intel'
 169     else
 170       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 171     endif
 172   else
 173     # No vulkan driver supports windows or macOS currently
 174     _vulkan_drivers = ''
 175   endif
 176 endif
 177 if _vulkan_drivers != ''
 178   _split = _vulkan_drivers.split(',')
 179   with_intel_vk = _split.contains('intel')
 180   with_amd_vk = _split.contains('amd')
 181   with_any_vk = with_amd_vk or with_intel_vk
 182 endif
 183
 184 if with_dri_swrast and with_gallium_softpipe
 185   error('Only one swrast provider can be built')
 186 endif
 187 if with_dri_i915 and with_gallium_i915
 188   error('Only one i915 provider can be built')
 189 endif
 190 if with_gallium_imx and not with_gallium_etnaviv
 191   error('IMX driver requires etnaviv driver')
 192 endif
 193
 194 dep_libdrm_intel = []
 195 if with_dri_i915 or with_gallium_i915
 196   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 197 endif
 198
 199 if host_machine.system() == 'darwin'
 200   with_dri_platform = 'apple'
 201 elif ['windows', 'cygwin'].contains(host_machine.system())
 202   with_dri_platform = 'windows'
 203 elif host_machine.system() == 'linux'
 204   # FIXME: This should include BSD and possibly other systems
 205   with_dri_platform = 'drm'
 206 else
 207   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 208   # assert here that one of those cases has been met.
 209   # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
 210   # support Hurd at time of writing (2017/11)
 211   with_dri_platform = 'none'
 212 endif
 213
 214 with_platform_android = false
 215 with_platform_wayland = false
 216 with_platform_x11 = false
 217 with_platform_drm = false
 218 with_platform_surfaceless = false
 219 egl_native_platform = ''
 220 _platforms = get_option('platforms')
 221 if _platforms == 'auto'
 222   if ['linux'].contains(host_machine.system())
 223     _platforms = 'x11,wayland,drm,surfaceless'
 224   else
 225     error('Unknown OS, no platforms enabled. Patches gladly accepted to fix this.')
 226   endif
 227 endif
 228 if _platforms != ''
 229   _split = _platforms.split(',')
 230   with_platform_android = _split.contains('android')
 231   with_platform_x11 = _split.contains('x11')
 232   with_platform_wayland = _split.contains('wayland')
 233   with_platform_drm = _split.contains('drm')
 234   with_platform_surfaceless = _split.contains('surfaceless')
 235   egl_native_platform = _split[0]
 236 endif
 237
 238 with_glx = get_option('glx')
 239 if with_glx == 'auto'
 240   if with_dri
 241     with_glx = 'dri'
 242   elif with_gallium
 243     # Even when building just gallium drivers the user probably wants dri
 244     with_glx = 'dri'
 245     with_dri = true
 246   elif with_platform_x11 and with_any_opengl and not with_any_vk
 247     # The automatic behavior should not be to turn on xlib based glx when
 248     # building only vulkan drivers
 249     with_glx = 'xlib'
 250   else
 251     with_glx = 'disabled'
 252   endif
 253 endif
 254
 255 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 256   with_gles1 = false
 257   with_gles2 = false
 258   with_opengl = false
 259   with_any_opengl = false
 260   with_shared_glapi = false
 261 endif
 262
 263 with_gbm = get_option('gbm')
 264 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 265   with_gbm = host_machine.system() == 'linux'
 266 elif with_gbm == 'true'
 267   if not ['linux', 'bsd'].contains(host_machine.system())
 268     error('GBM only supports unix-like platforms')
 269   endif
 270   with_gbm = true
 271 else
 272   with_gbm = false
 273 endif
 274
 275 _egl = get_option('egl')
 276 if _egl == 'auto'
 277   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 278 elif _egl == 'true'
 279   if not with_dri
 280     error('EGL requires dri')
 281   elif not with_shared_glapi
 282     error('EGL requires shared-glapi')
 283   elif egl_native_platform == ''
 284     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 285   endif
 286   with_egl = true
 287 else
 288   with_egl = false
 289 endif
 290
 291 if with_egl and not (with_platform_drm or with_platform_surfaceless)
 292   if with_gallium_radeonsi
 293     error('RadeonSI requires drm or surfaceless platform when using EGL')
 294   endif
 295   if with_gallium_virgl
 296     error('Virgl requires drm or surfaceless platform when using EGL')
 297   endif
 298 endif
 299
 300 pre_args += '-DGLX_USE_TLS'
 301 if with_glx != 'disabled'
 302   if not (with_platform_x11 and with_any_opengl)
 303     if with_glx == 'auto'
 304       with_glx = 'disabled'
 305     else
 306       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 307     endif
 308   elif with_glx == 'gallium-xlib'
 309     if not with_gallium
 310       error('Gallium-xlib based GLX requires at least one gallium driver')
 311     elif not with_gallium_softpipe
 312       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 313     elif with_dri
 314       error('gallium-xlib conflicts with any dri driver')
 315     endif
 316   elif with_glx == 'xlib'
 317     if with_dri
 318       error('xlib conflicts with any dri driver')
 319     endif
 320   elif with_glx == 'dri' and not with_dri
 321     error('dri based GLX requires at least one DRI driver')
 322   endif
 323 endif
 324
 325 with_glvnd = get_option('glvnd')
 326 if with_glvnd
 327   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 328     error('Cannot build glvnd support for GLX that is not DRI based.')
 329   elif with_glx == 'disabled' and not with_egl
 330     error('glvnd requires DRI based GLX and/or EGL')
 331   endif
 332 endif
 333
 334 # TODO: toggle for this
 335 with_glx_direct = true
 336
 337 if with_vulkan_icd_dir == ''
 338   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 339 endif
 340
 341 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 342 with_dri3 = get_option('dri3')
 343 if with_dri3 == 'auto'
 344   if host_machine.system() == 'linux' and with_dri2
 345     with_dri3 = true
 346   else
 347     with_dri3 = false
 348  endif
 349 elif with_dri3 == 'true'
 350   with_dri3 = true
 351 else
 352   with_dri3 = false
 353 endif
 354
 355 if with_any_vk and (with_platform_x11 and not with_dri3)
 356   error('Vulkan drivers require dri3 for X11 support')
 357 endif
 358 if with_dri or with_gallium
 359   if with_glx == 'disabled' and not with_egl
 360     error('building dri or gallium drivers require at least one window system')
 361   endif
 362 endif
 363
 364 dep_vdpau = []
 365 _vdpau = get_option('gallium-vdpau')
 366 if _vdpau == 'auto'
 367   if not ['linux', 'bsd'].contains(host_machine.system())
 368     with_gallium_vdpau = false
 369   elif not with_platform_x11
 370     with_gallium_vdpau = false
 371   elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 372             with_gallium_nouveau)
 373     with_gallium_vdpau = false
 374   else
 375     dep_vdpau = dependency('vdpau', version : '>= 1.1', required : false)
 376     with_gallium_vdpau = dep_vdpau.found()
 377   endif
 378 elif _vdpau == 'true'
 379   if not ['linux', 'bsd'].contains(host_machine.system())
 380     error('VDPAU state tracker can only be build on unix-like OSes.')
 381   elif not with_platform_x11
 382     error('VDPAU state tracker requires X11 support.')
 383     with_gallium_vdpau = false
 384   elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 385             with_gallium_nouveau)
 386     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 387   endif
 388   dep_vdpau = dependency('vdpau', version : '>= 1.1')
 389   with_gallium_vdpau = true
 390 else
 391   with_gallium_vdpau = false
 392 endif
 393 if with_gallium_vdpau
 394   dep_vdpau = declare_dependency(
 395     compile_args : dep_vdpau.get_pkgconfig_variable('cflags').split()
 396   )
 397 endif
 398
 399 if with_gallium_vdpau
 400   pre_args += '-DHAVE_ST_VDPAU'
 401 endif
 402 vdpau_drivers_path = get_option('vdpau-libs-path')
 403 if vdpau_drivers_path == ''
 404   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 405 endif
 406
 407 gl_pkgconfig_c_flags = []
 408 if with_platform_x11
 409   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 410     pre_args += '-DHAVE_X11_PLATFORM'
 411   endif
 412   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 413     pre_args += '-DUSE_XSHM'
 414   else
 415     pre_args += '-DGLX_INDIRECT_RENDERING'
 416     if with_glx_direct
 417       pre_args += '-DGLX_DIRECT_RENDERING'
 418     endif
 419     if with_dri_platform == 'drm'
 420       pre_args += '-DGLX_USE_DRM'
 421     elif with_dri_platform == 'windows'
 422       pre_args += '-DGLX_USE_WINDOWSGL'
 423     endif
 424   endif
 425 else
 426   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 427   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 428 endif
 429 if with_platform_drm
 430   if with_egl and not with_gbm
 431     error('EGL drm platform requires gbm')
 432   endif
 433   pre_args += '-DHAVE_DRM_PLATFORM'
 434 endif
 435 if with_platform_surfaceless
 436   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 437 endif
 438 if with_platform_android
 439   dep_android = [
 440     dependency('cutils'),
 441     dependency('hardware'),
 442     dependency('sync'),
 443   ]
 444   pre_args += '-DHAVE_ANDROID_PLATFORM'
 445 endif
 446
 447 prog_python2 = find_program('python2')
 448 has_mako = run_command(prog_python2, '-c', 'import mako')
 449 if has_mako.returncode() != 0
 450   error('Python (2.x) mako module required to build mesa.')
 451 endif
 452
 453 cc = meson.get_compiler('c')
 454 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 455   error('When using GCC, version 4.4.6 or later is required.')
 456 endif
 457
 458 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 459 if get_option('buildtype') == 'debug'
 460   pre_args += '-DDEBUG'
 461 endif
 462
 463 if get_option('shader-cache')
 464   pre_args += '-DENABLE_SHADER_CACHE'
 465 elif with_amd_vk
 466   error('Radv requires shader cache support')
 467 endif
 468
 469 # Check for GCC style builtins
 470 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 471              'ffsll', 'popcount', 'popcountll', 'unreachable']
 472   if cc.has_function(b)
 473     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 474   endif
 475 endforeach
 476
 477 # check for GCC __attribute__
 478 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 479              'warn_unused_result', 'weak',]
 480   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 481                  name : '__attribute__((@0@))'.format(a))
 482     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 483   endif
 484 endforeach
 485 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 486                name : '__attribute__((format(...)))')
 487   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 488 endif
 489 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 490                name : '__attribute__((packed))')
 491   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 492 endif
 493 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 494                name : '__attribute__((returns_nonnull))')
 495   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 496 endif
 497 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 498                   int foo_hid(void) __attribute__((visibility("hidden")));
 499                   int foo_int(void) __attribute__((visibility("internal")));
 500                   int foo_pro(void) __attribute__((visibility("protected")));''',
 501                name : '__attribute__((visibility(...)))')
 502   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 503 endif
 504 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 505                name : '__attribute__((alias(...)))')
 506   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 507 endif
 508 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 509                name : '__attribute__((__noreturn__))')
 510   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 511 endif
 512
 513 # TODO: this is very incomplete
 514 if ['linux', 'cygwin'].contains(host_machine.system())
 515   pre_args += '-D_GNU_SOURCE'
 516 endif
 517
 518 # Check for generic C arguments
 519 c_args = []
 520 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 521              '-Werror=missing-prototypes', '-fno-math-errno',
 522              '-fno-trapping-math', '-Qunused-arguments']
 523   if cc.has_argument(a)
 524     c_args += a
 525   endif
 526 endforeach
 527 c_vis_args = []
 528 if cc.has_argument('-fvisibility=hidden')
 529   c_vis_args += '-fvisibility=hidden'
 530 endif
 531
 532 # Check for generic C++ arguments
 533 cpp = meson.get_compiler('cpp')
 534 cpp_args = []
 535 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 536              '-Qunused-arguments']
 537   if cpp.has_argument(a)
 538     cpp_args += a
 539   endif
 540 endforeach
 541
 542 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 543 # option is not supported. Hence, check for -Wfoo instead.
 544 if cpp.has_argument('-Wnon-virtual-dtor')
 545   cpp_args += '-Wno-non-virtual-dtor'
 546 endif
 547
 548 no_override_init_args = []
 549 foreach a : ['override-init', 'initializer-overrides']
 550   if cc.has_argument('-W' + a)
 551     no_override_init_args += '-Wno-' + a
 552   endif
 553 endforeach
 554
 555 cpp_vis_args = []
 556 if cpp.has_argument('-fvisibility=hidden')
 557   cpp_vis_args += '-fvisibility=hidden'
 558 endif
 559
 560 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 561 # in parts of the mesa code base that need to compile with old versions of
 562 # MSVC, mainly common code
 563 c_msvc_compat_args = []
 564 cpp_msvc_compat_args = []
 565 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 566   if cc.has_argument(a)
 567     c_msvc_compat_args += a
 568   endif
 569   if cpp.has_argument(a)
 570     cpp_msvc_compat_args += a
 571   endif
 572 endforeach
 573
 574 if host_machine.cpu_family().startswith('x86')
 575   pre_args += '-DHAVE_SSE41'
 576   with_sse41 = true
 577   sse41_args = ['-msse4.1']
 578
 579   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 580   # that's not guaranteed
 581   if host_machine.cpu_family() == 'x86'
 582     sse41_args += '-mstackrealign'
 583   endif
 584 else
 585   with_sse41 = false
 586   sse41_args = []
 587 endif
 588
 589 # Check for GCC style atomics
 590 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 591                name : 'GCC atomic builtins')
 592   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 593 endif
 594 if not cc.links('''#include <stdint.h>
 595                    uint64_t v;
 596                    int main() {
 597                      return __sync_add_and_fetch(&v, (uint64_t)1);
 598                    }''',
 599                 name : 'GCC 64bit atomics')
 600   pre_args += '-DMISSING_64_BIT_ATOMICS'
 601 endif
 602
 603 # TODO: endian
 604 # TODO: powr8
 605 # TODO: shared/static? Is this even worth doing?
 606
 607 # Building x86 assembly code requires running x86 binaries. It is possible for
 608 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 609 # TODO: it should be possible to use an exe_wrapper to run the binary during
 610 # the build.
 611 if meson.is_cross_build()
 612   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 613           and build_machine.system() == host_machine.system())
 614     message('Cross compiling to x86 from non-x86, disabling asm')
 615     with_asm = false
 616   endif
 617 endif
 618
 619 with_asm_arch = ''
 620 if with_asm
 621   # TODO: SPARC and PPC
 622   if host_machine.cpu_family() == 'x86'
 623     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 624       with_asm_arch = 'x86'
 625       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 626                    '-DUSE_SSE_ASM']
 627     endif
 628   elif host_machine.cpu_family() == 'x86_64'
 629     if host_machine.system() == 'linux'
 630       with_asm_arch = 'x86_64'
 631       pre_args += ['-DUSE_X86_64_ASM']
 632     endif
 633   elif host_machine.cpu_family() == 'arm'
 634     if host_machine.system() == 'linux'
 635       with_asm_arch = 'arm'
 636       pre_args += ['-DUSE_ARM_ASM']
 637     endif
 638   elif host_machine.cpu_family() == 'aarch64'
 639     if host_machine.system() == 'linux'
 640       with_asm_arch = 'aarch64'
 641       pre_args += ['-DUSE_AARCH64_ASM']
 642     endif
 643   endif
 644 endif
 645
 646 # Check for standard headers and functions
 647 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 648   pre_args += '-DMAJOR_IN_SYSMACROS'
 649 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 650   pre_args += '-DMAJOR_IN_MKDEV'
 651 endif
 652
 653 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 654   if cc.has_header(h)
 655     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 656   endif
 657 endforeach
 658
 659 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
 660   if cc.has_function(f)
 661     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 662   endif
 663 endforeach
 664
 665 # strtod locale support
 666 if cc.links('''
 667     #define _GNU_SOURCE
 668     #include <stdlib.h>
 669     #include <locale.h>
 670     #ifdef HAVE_XLOCALE_H
 671     #include <xlocale.h>
 672     #endif
 673     int main() {
 674       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 675       const char *s = "1.0";
 676       char *end;
 677       double d = strtod_l(s, end, loc);
 678       float f = strtof_l(s, end, loc);
 679       freelocale(loc);
 680       return 0;
 681     }''',
 682     extra_args : pre_args,
 683     name : 'strtod has locale support')
 684   pre_args += '-DHAVE_STRTOD_L'
 685 endif
 686
 687 # Check for some linker flags
 688 ld_args_bsymbolic = []
 689 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 690   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 691 endif
 692 ld_args_gc_sections = []
 693 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 694             args : '-Wl,--gc-sections', name : 'gc-sections')
 695   ld_args_gc_sections += '-Wl,--gc-sections'
 696 endif
 697 with_ld_version_script = false
 698 if cc.links('int main() { return 0; }',
 699             args : '-Wl,--version-script=@0@'.format(
 700               join_paths(meson.source_root(), 'build-support/conftest.map')),
 701             name : 'version-script')
 702   with_ld_version_script = true
 703 endif
 704 with_ld_dynamic_list = false
 705 if cc.links('int main() { return 0; }',
 706             args : '-Wl,--dynamic-list=@0@'.format(
 707               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 708             name : 'dynamic-list')
 709   with_ld_dynamic_list = true
 710 endif
 711
 712 # check for dl support
 713 if cc.has_function('dlopen')
 714   dep_dl = []
 715 else
 716   dep_dl = cc.find_library('dl')
 717 endif
 718 if cc.has_function('dladdr', dependencies : dep_dl)
 719   # This is really only required for megadrivers
 720   pre_args += '-DHAVE_DLADDR'
 721 endif
 722
 723 if cc.has_function('dl_iterate_phdr')
 724   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 725 elif with_intel_vk
 726   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 727 elif with_dri_i965 and get_option('shader-cache')
 728   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 729 endif
 730
 731 # Determine whether or not the rt library is needed for time functions
 732 if cc.has_function('clock_gettime')
 733   dep_clock = []
 734 else
 735   dep_clock = cc.find_library('rt')
 736 endif
 737
 738 with_gallium_drisw_kms = false
 739 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 740                         required : with_dri2 or with_dri3)
 741 if dep_libdrm.found()
 742   pre_args += '-DHAVE_LIBDRM'
 743   if with_dri_platform == 'drm' and with_dri
 744     with_gallium_drisw_kms = true
 745   endif
 746 endif
 747
 748 # TODO: some of these may be conditional
 749 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 750 dep_thread = dependency('threads')
 751 if dep_thread.found() and host_machine.system() != 'windows'
 752   pre_args += '-DHAVE_PTHREAD'
 753 endif
 754 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 # TODO: clover
 755   dep_elf = dependency('libelf', required : false)
 756   if not dep_elf.found()
 757     dep_elf = cc.find_library('elf')
 758   endif
 759 else
 760   dep_elf = []
 761 endif
 762 dep_expat = dependency('expat')
 763 # this only exists on linux so either this is linux and it will be found, or
 764 # its not linux and and wont
 765 dep_m = cc.find_library('m', required : false)
 766
 767 dep_libdrm_amdgpu = []
 768 dep_libdrm_radeon = []
 769 dep_libdrm_nouveau = []
 770 dep_libdrm_etnaviv = []
 771 dep_libdrm_freedreno = []
 772 if with_amd_vk or with_gallium_radeonsi
 773   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.88')
 774 endif
 775 if (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
 776     with_gallium_r300 or with_gallium_r600)
 777   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 778 endif
 779 if with_gallium_nouveau or with_dri_nouveau
 780   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 781 endif
 782 if with_gallium_etnaviv
 783   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 784 endif
 785 if with_gallium_freedreno
 786   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.74')
 787 endif
 788
 789 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 790 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
 791   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 792   if with_gallium_r600
 793     llvm_modules += 'asmparser'
 794   endif
 795 endif
 796
 797 _llvm = get_option('llvm')
 798 if _llvm == 'auto'
 799   dep_llvm = dependency(
 800     'llvm', version : '>= 3.9.0', modules : llvm_modules,
 801     required : with_amd_vk or with_gallium_radeonsi,
 802   )
 803   with_llvm = dep_llvm.found()
 804 elif _llvm == 'true'
 805   dep_llvm = dependency('llvm', version : '>= 3.9.0', modules : llvm_modules)
 806   with_llvm = true
 807 else
 808   dep_llvm = []
 809   with_llvm = false
 810 endif
 811 if with_llvm
 812   _llvm_version = dep_llvm.version().split('.')
 813   # Development versions of LLVM have an 'svn' suffix, we don't want that for
 814   # our version checks.
 815   _llvm_patch = _llvm_version[2]
 816   if _llvm_patch.endswith('svn')
 817     _llvm_patch = _llvm_patch.split('s')[0]
 818   endif
 819   pre_args += [
 820     '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
 821     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
 822   ]
 823 elif with_amd_vk or with_gallium_radeonsi
 824   error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM is disabled.')
 825 endif
 826
 827 dep_glvnd = []
 828 if with_glvnd
 829   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
 830   pre_args += '-DUSE_LIBGLVND=1'
 831 endif
 832
 833 if with_valgrind != 'false'
 834   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
 835   if dep_valgrind.found()
 836     pre_args += '-DHAVE_VALGRIND'
 837   endif
 838 else
 839   dep_valgrind = []
 840 endif
 841
 842 # pthread stubs. Lets not and say we didn't
 843
 844 prog_bison = find_program('bison', required : with_any_opengl)
 845 prog_flex = find_program('flex', required : with_any_opengl)
 846
 847 dep_selinux = []
 848 if get_option('selinux')
 849   dep_selinux = dependency('libselinux')
 850   pre_args += '-DMESA_SELINUX'
 851 endif
 852
 853 # TODO: llvm-prefix and llvm-shared-libs
 854
 855 if with_libunwind != 'false'
 856   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
 857   if dep_unwind.found()
 858     pre_args += '-DHAVE_LIBUNWIND'
 859   endif
 860 else
 861   dep_unwind = []
 862 endif
 863
 864 # TODO: gallium-hud
 865
 866 if with_osmesa != 'none'
 867   if with_osmesa == 'classic' and not with_dri_swrast
 868     error('OSMesa classic requires dri (classic) swrast.')
 869   endif
 870   if with_osmesa == 'gallium' and not with_gallium_softpipe
 871     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
 872   endif
 873   osmesa_lib_name = 'OSMesa'
 874   osmesa_bits = get_option('osmesa-bits')
 875   if osmesa_bits != '8'
 876     if with_dri or with_glx != 'disabled'
 877       error('OSMesa bits must be 8 if building glx or dir based drivers')
 878     endif
 879     osmesa_lib_name = osmesa_lib_name + osmesa_bits
 880     pre_args += [
 881       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
 882     ]
 883   endif
 884 endif
 885
 886 # TODO: symbol mangling
 887
 888 if with_platform_wayland
 889   prog_wl_scanner = find_program('wayland-scanner')
 890   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
 891   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
 892   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
 893   wayland_dmabuf_xml = join_paths(
 894     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
 895     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
 896   )
 897   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
 898 else
 899   prog_wl_scanner = []
 900   dep_wl_protocols = []
 901   dep_wayland_client = []
 902   dep_wayland_server = []
 903   wayland_dmabuf_xml = ''
 904 endif
 905
 906 dep_x11 = []
 907 dep_xext = []
 908 dep_xdamage = []
 909 dep_xfixes = []
 910 dep_x11_xcb = []
 911 dep_xcb = []
 912 dep_xcb_glx = []
 913 dep_xcb_dri2 = []
 914 dep_xcb_dri3 = []
 915 dep_dri2proto = []
 916 dep_glproto = []
 917 dep_xxf86vm = []
 918 dep_xcb_dri3 = []
 919 dep_xcb_present = []
 920 dep_xcb_sync = []
 921 dep_xcb_xfixes = []
 922 dep_xshmfence = []
 923 if with_platform_x11
 924   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 925     dep_x11 = dependency('x11')
 926     dep_xext = dependency('xext')
 927     dep_xcb = dependency('xcb')
 928   elif with_glx == 'dri'
 929     dep_x11 = dependency('x11')
 930     dep_xext = dependency('xext')
 931     dep_xdamage = dependency('xdamage', version : '>= 1.1')
 932     dep_xfixes = dependency('xfixes')
 933     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
 934     dep_xxf86vm = dependency('xxf86vm', required : false)
 935   endif
 936   if with_any_vk or with_glx == 'dri' or with_gallium_vdpau
 937     dep_xcb = dependency('xcb')
 938     dep_x11_xcb = dependency('x11-xcb')
 939   endif
 940   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 941     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
 942
 943     if with_dri3
 944       pre_args += '-DHAVE_DRI3'
 945       dep_xcb_dri3 = dependency('xcb-dri3')
 946       dep_xcb_present = dependency('xcb-present')
 947       dep_xcb_sync = dependency('xcb-sync')
 948       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
 949     endif
 950   endif
 951   if with_glx == 'dri'
 952     if with_dri_platform == 'drm'
 953       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
 954     endif
 955     dep_glproto = dependency('glproto', version : '>= 1.4.14')
 956   endif
 957   if with_egl
 958     dep_xcb_xfixes = dependency('xcb-xfixes')
 959   endif
 960 endif
 961
 962 if get_option('gallium-extra-hud')
 963   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
 964 endif
 965
 966 _sensors = get_option('lmsensors')
 967 if _sensors != 'false'
 968   dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
 969   if dep_lmsensors.found()
 970     pre_args += '-DHAVE_LIBSENSORS=1'
 971   endif
 972 else
 973   dep_lmsensors = []
 974 endif
 975
 976
 977 # TODO: nine
 978
 979 # TODO: clover
 980
 981 # TODO: gallium tests
 982
 983 # TODO: various libdirs
 984
 985 # TODO: swr
 986
 987 # TODO: gallium driver dirs
 988
 989 # FIXME: this is a workaround for #2326
 990 prog_touch = find_program('touch')
 991 dummy_cpp = custom_target(
 992   'dummy_cpp',
 993   output : 'dummy.cpp',
 994   command : [prog_touch, '@OUTPUT@'],
 995 )
 996
 997 foreach a : pre_args
 998   add_project_arguments(a, language : ['c', 'cpp'])
 999 endforeach
1000 foreach a : c_args
1001   add_project_arguments(a, language : ['c'])
1002 endforeach
1003 foreach a : cpp_args
1004   add_project_arguments(a, language : ['cpp'])
1005 endforeach
1006
1007 inc_include = include_directories('include')
1008
1009 gl_priv_reqs = [
1010   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1011   'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
1012 ]
1013 if dep_xxf86vm != [] and dep_xxf86vm.found()
1014   gl_priv_reqs += 'xxf86vm'
1015 endif
1016 if with_dri_platform == 'drm'
1017   gl_priv_reqs += 'xcb-dri2 >= 1.8'
1018 endif
1019
1020 gl_priv_libs = []
1021 if dep_thread.found()
1022   gl_priv_libs += ['-lpthread', '-pthread']
1023 endif
1024 if dep_m.found()
1025   gl_priv_libs += '-lm'
1026 endif
1027 if dep_dl != [] and dep_dl.found()
1028   gl_priv_libs += '-ldl'
1029 endif
1030
1031 pkg = import('pkgconfig')
1032
1033 subdir('include')
1034 subdir('bin')
1035 subdir('src')