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