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