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