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