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('mesa', ['c', 'cpp'], version : '17.3.0-devel', license : 'MIT',
  22         default_options : ['c_std=c99', 'cpp_std=c++11'])
  23
  24 # Arguments for the preprocessor, put these in a separate array from the C and
  25 # C++ (cpp in meson terminology) arguments since they need to be added to the
  26 # default arguments for both C and C++.
  27 pre_args = [
  28   '-D__STDC_CONSTANT_MACROS',
  29   '-D__STDC_FORMAT_MACROS',
  30   '-D__STDC_LIMIT_MACROS',
  31   '-DVERSION="@0@"'.format(meson.project_version()),
  32   '-DPACKAGE_VERSION=VERSION',
  33   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  34 ]
  35
  36 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  37 with_tests = get_option('build-tests')
  38 with_valgrind = get_option('valgrind')
  39 with_asm = get_option('asm')
  40
  41 # XXX: yeah, do these
  42 with_appledri = false
  43 with_windowsdri = false
  44
  45 dri_drivers_path = get_option('dri-drivers-path')
  46 if dri_drivers_path == ''
  47   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  48 endif
  49
  50 with_gles1 = get_option('gles1')
  51 with_gles2 = get_option('gles2')
  52 with_opengl = get_option('opengl')
  53 with_any_opengl = with_opengl or with_gles1 or with_gles2
  54 # Only build shared_glapi if at least one OpenGL API is enabled
  55 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  56
  57 # TODO: these will need options, but at the moment they just control header
  58 # installs
  59 with_osmesa = false
  60
  61 # shared-glapi is required if at least two OpenGL APIs are being built
  62 if not with_shared_glapi
  63   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  64       or (with_gles2 and with_opengl))
  65     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  66   endif
  67 endif
  68
  69 # We require OpenGL for OpenGL ES
  70 if (with_gles1 or with_gles2) and not with_opengl
  71   error('building OpenGL ES without OpenGL is not supported.')
  72 endif
  73
  74 with_dri = false
  75 with_dri_i965 = false
  76 with_dri_swrast = false
  77 _drivers = get_option('dri-drivers')
  78 if _drivers != ''
  79   _split = _drivers.split(',')
  80   with_dri_i965 = _split.contains('i965')
  81   with_dri_swrast = _split.contains('swrast')
  82   with_dri = true
  83 endif
  84
  85 if not with_dri
  86   with_gles1 = false
  87   with_gles2 = false
  88   with_opengl = false
  89   with_any_opengl = false
  90   with_shared_glapi = false
  91 endif
  92
  93 # TODO: other OSes
  94 with_dri_platform = 'drm'
  95
  96 with_gallium = false
  97 # TODO: gallium drivers
  98
  99 # TODO: conditionalize libdrm requirement
 100 dep_libdrm = dependency('libdrm', version : '>= 2.4.75')
 101 pre_args += '-DHAVE_LIBDRM'
 102
 103 with_dri2 = with_dri_platform == 'drm' and dep_libdrm.found()
 104 with_dri3 = get_option('dri3')
 105 if with_dri3 == 'auto'
 106   if host_machine.system() == 'linux' and with_dri2
 107     with_dri3 = true
 108   else
 109     with_dri3 = false
 110  endif
 111 elif with_dri3 == 'yes'
 112   if not with_dri2
 113     error('dri3 support requires libdrm')
 114   endif
 115   with_dri3 = true
 116 else
 117   with_dri3 = false
 118 endif
 119
 120 # TODO: there are more platforms required for non-vulkan drivers
 121 with_platform_wayland = false
 122 with_platform_x11 = false
 123 _platforms = get_option('platforms')
 124 if _platforms != ''
 125   _split = _platforms.split(',')
 126   with_platform_x11 = _split.contains('x11')
 127   with_platform_wayland = _split.contains('wayland')
 128 endif
 129
 130 with_gbm = get_option('gbm')
 131 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 132   with_gbm = host_machine.system() == 'linux'
 133 elif with_gbm == 'yes'
 134   if not ['linux', 'bsd'].contains(host_machine.system())
 135     error('GBM only supports unix-like platforms')
 136   endif
 137   with_gbm = true
 138 else
 139   with_gbm = false
 140 endif
 141
 142 with_glx = get_option('glx')
 143 if with_glx != 'disabled'
 144   pre_args += '-DGLX_USE_TLS'
 145   if not (with_platform_x11 and with_any_opengl) and with_glx != 'auto'
 146     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 147   elif with_glx == 'gallium-xlib'
 148     if not with_gallium
 149       error('Gallium-xlib based GLX requires at least one gallium driver')
 150     elif with_dri
 151       error('gallium-xlib conflicts with any dri driver')
 152     endif
 153   elif with_glx == 'dri' and not with_dri
 154     error('dri based GLX requires at least one DRI driver')
 155   elif with_glx == 'auto'
 156     if with_dri
 157       with_glx = 'dri'
 158     elif with_gallium
 159       with_glx = 'gallium-xlib'
 160     elif with_platform_x11 and with_any_opengl
 161       with_glx = 'xlib'
 162     else
 163       with_glx = 'disabled'
 164     endif
 165   endif
 166 endif
 167
 168 with_glvnd = get_option('glvnd')
 169 if with_glvnd and with_glx != 'dri'
 170   message('glvnd requires dri based glx')
 171 endif
 172
 173 # TODO: toggle for this
 174 with_glx_direct = true
 175
 176 if with_vulkan_icd_dir == ''
 177   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 178 endif
 179
 180 with_intel_vk = false
 181 with_amd_vk = false
 182 with_any_vk = false
 183 _vulkan_drivers = get_option('vulkan-drivers')
 184 if _vulkan_drivers != ''
 185   _split = _vulkan_drivers.split(',')
 186   with_intel_vk = _split.contains('intel')
 187   with_amd_vk = _split.contains('amd')
 188   with_any_vk = with_amd_vk or with_intel_vk
 189   if not (with_platform_x11 or with_platform_wayland)
 190     error('Vulkan requires at least one platform (x11, wayland)')
 191   endif
 192   if with_platform_x11 and not with_dri3
 193     error('Vulkan drivers require dri3 for X11 support')
 194   endif
 195 endif
 196
 197 if with_dri # TODO: or gallium
 198   if with_glx == 'disabled' # TODO: or egl
 199     error('building dri or gallium drivers require at least one window system')
 200   endif
 201 endif
 202
 203 prog_python2 = find_program('python2')
 204 has_mako = run_command(prog_python2, '-c', 'import mako')
 205 if has_mako.returncode() != 0
 206   error('Python (2.x) mako module required to build mesa.')
 207 endif
 208
 209 cc = meson.get_compiler('c')
 210 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 211   error('When using GCC, version 4.4.6 or later is required.')
 212 endif
 213
 214 # Define DEBUG for debug and debugoptimized builds
 215 if get_option('buildtype').startswith('debug')
 216   pre_args += '-DDEBUG'
 217 endif
 218
 219 if get_option('shader-cache')
 220   pre_args += '-DENABLE_SHADER_CACHE'
 221 elif with_amd_vk
 222   error('Radv requires shader cache support')
 223 endif
 224
 225 # Check for GCC style builtins
 226 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 227              'ffsll', 'popcount', 'popcountll', 'unreachable']
 228   if cc.has_function(b)
 229     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 230   endif
 231 endforeach
 232
 233 # check for GCC __attribute__
 234 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 235              'warn_unused_result', 'weak',]
 236   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 237                  name : '__attribute__((@0@))'.format(a))
 238     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 239   endif
 240 endforeach
 241 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 242                name : '__attribute__((format(...)))')
 243   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 244 endif
 245 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 246                name : '__attribute__((packed))')
 247   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 248 endif
 249 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 250                name : '__attribute__((returns_nonnull))')
 251   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 252 endif
 253 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 254                   int foo_hid(void) __attribute__((visibility("hidden")));
 255                   int foo_int(void) __attribute__((visibility("internal")));
 256                   int foo_pro(void) __attribute__((visibility("protected")));''',
 257                name : '__attribute__((visibility(...)))')
 258   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 259 endif
 260 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 261                name : '__attribute__((alias(...)))')
 262   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 263 endif
 264
 265 # TODO: this is very incomplete
 266 if host_machine.system() == 'linux'
 267   pre_args += '-D_GNU_SOURCE'
 268 endif
 269
 270 # Check for generic C arguments
 271 c_args = []
 272 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 273              '-Werror=missing-prototypes', '-fno-math-errno',
 274              '-fno-trapping-math', '-Qunused-arguments']
 275   if cc.has_argument(a)
 276     c_args += a
 277   endif
 278 endforeach
 279 c_vis_args = []
 280 if cc.has_argument('-fvisibility=hidden')
 281   c_vis_args += '-fvisibility=hidden'
 282 endif
 283
 284 # Check for generic C++ arguments
 285 cpp = meson.get_compiler('cpp')
 286 cpp_args = []
 287 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 288              '-Qunused-arguments', '-Wno-non-virtual-dtor']
 289   if cpp.has_argument(a)
 290     cpp_args += a
 291   endif
 292 endforeach
 293 cpp_vis_args = []
 294 if cpp.has_argument('-fvisibility=hidden')
 295   cpp_vis_args += '-fvisibility=hidden'
 296 endif
 297
 298 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 299 # in parts of the mesa code base that need to compile with old versions of
 300 # MSVC, mainly common code
 301 c_msvc_compat_args = []
 302 cpp_msvc_compat_args = []
 303 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 304   if cc.has_argument(a)
 305     c_msvc_compat_args += a
 306   endif
 307   if cpp.has_argument(a)
 308     cpp_msvc_compat_args += a
 309   endif
 310 endforeach
 311
 312 no_override_init_args = []
 313 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 314   if cc.has_argument(a)
 315     no_override_init_args += a
 316   endif
 317 endforeach
 318
 319 # TODO: SSE41 (which is only required for core mesa)
 320
 321 # Check for GCC style atomics
 322 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 323                name : 'GCC atomic builtins')
 324   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 325 endif
 326 if not cc.links('''#include <stdint.h>
 327                    uint64_t v;
 328                    int main() {
 329                      return __sync_add_and_fetch(&v, (uint64_t)1);
 330                    }''',
 331                 name : 'GCC 64bit atomics')
 332   pre_args += '-DMISSING_64_BIT_ATOMICS'
 333 endif
 334
 335 # TODO: endian
 336 # TODO: powr8
 337 # TODO: shared/static? Is this even worth doing?
 338
 339 # I don't think that I need to set any of the debug stuff, I think meson
 340 # handles that for us
 341
 342 # TODO: ldflags
 343
 344 # TODO: texture-float (gallium/mesa only)
 345
 346 # TODO: cross-compiling. I don't think this is relavent to meson
 347
 348 # FIXME: enable asm when cross compiler
 349 # This is doable (autotools does it), but it's not of immediate concern
 350 if meson.is_cross_build()
 351   message('Cross compiling, disabling asm')
 352   with_asm = false
 353 endif
 354
 355 with_asm_arch = ''
 356 if with_asm
 357   # TODO: SPARC and PPC
 358   if host_machine.cpu_family() == 'x86'
 359     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 360       with_asm_arch = 'x86'
 361       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 362                    '-DUSE_SSE_ASM']
 363     endif
 364   elif host_machine.cpu_family() == 'x86_64'
 365     if host_machine.system() == 'linux'
 366       with_asm_arch = 'x86_64'
 367       pre_args += ['-DUSE_X86_64_ASM']
 368     endif
 369   elif host_machine.cpu_family() == 'arm'
 370     if host_machine.system() == 'linux'
 371       with_asm_arch = 'arm'
 372       pre_args += ['-DUSE_ARM_ASM']
 373     endif
 374   elif host_machine.cpu_family() == 'aarch64'
 375     if host_machine.system() == 'linux'
 376       with_asm_arch = 'aarch64'
 377       pre_args += ['-DUSE_AARCH64_ASM']
 378     endif
 379   endif
 380 endif
 381
 382 # Check for standard headers and functions
 383 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 384   pre_args += '-DMAJOR_IN_SYSMACROS'
 385 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 386   pre_args += '-DMAJOR_IN_MKDEV'
 387 endif
 388
 389 foreach h : ['xlocale.h', 'sys/sysctl.h']
 390   if cc.has_header(h)
 391     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 392   endif
 393 endforeach
 394
 395 foreach f : ['strtof', 'mkostemp', 'posix_memalign']
 396   if cc.has_function(f)
 397     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 398   endif
 399 endforeach
 400
 401 # strtod locale support
 402 if cc.links('''
 403     #define _GNU_SOURCE
 404     #include <stdlib.h>
 405     #include <locale.h>
 406     #ifdef HAVE_XLOCALE_H
 407     #include <xlocale.h>
 408     #endif
 409     int main() {
 410       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 411       const char *s = "1.0";
 412       char *end;
 413       double d = strtod_l(s, end, loc);
 414       float f = strtod_l(s, end, loc);
 415       freelocale(loc);
 416       return 0;
 417     }''',
 418     extra_args : pre_args,
 419     name : 'strtod has locale support')
 420   pre_args += '-DHAVE_STRTOD_L'
 421 endif
 422
 423 # Check for some linker flags
 424 ld_args_bsymbolic = []
 425 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic')
 426   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 427 endif
 428 ld_args_gc_sections = []
 429 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 430             args : '-Wl,--gc-sections')
 431   ld_args_gc_sections += '-Wl,--gc-sections'
 432 endif
 433
 434 # check for dl support
 435 if cc.has_function('dlopen')
 436   dep_dl = []
 437 else
 438   dep_dl = cc.find_library('dl')
 439 endif
 440 if cc.has_function('dladdr', dependencies : dep_dl)
 441   # This is really only required for megadrivers
 442   pre_args += '-DHAVE_DLADDR'
 443 endif
 444
 445 if cc.has_function('dl_iterate_phdr')
 446   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 447 else
 448   # TODO: this is required for vulkan
 449 endif
 450
 451 # Determine whether or not the rt library is needed for time functions
 452 if cc.has_function('clock_gettime')
 453   dep_clock = []
 454 else
 455   dep_clock = cc.find_library('rt')
 456 endif
 457
 458 # TODO: some of these may be conditional
 459 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 460 dep_thread = dependency('threads')
 461 pre_args += '-DHAVE_PTHREAD'
 462 dep_elf = dependency('libelf', required : false)
 463 if not dep_elf.found()
 464   dep_elf = cc.find_library('elf', required : with_amd_vk) # TODO: clover, r600, radeonsi
 465 endif
 466 dep_expat = dependency('expat')
 467 # this only exists on linux so either this is linux and it will be found, or
 468 # its not linux and and wont
 469 dep_m = cc.find_library('m', required : false)
 470
 471 dep_libdrm_amdgpu = []
 472 if with_amd_vk
 473   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.82')
 474 endif
 475
 476 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 477 if with_amd_vk
 478   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 479 endif
 480 dep_llvm = dependency(
 481   'llvm', version : '>= 3.9.0', required : false, modules : llvm_modules,
 482 )
 483 if not dep_llvm.found()
 484   if with_amd_vk
 485     error('Radv requires llvm.')
 486   endif
 487 else
 488   _llvm_version = dep_llvm.version().split('.')
 489   # Development versions of LLVM have an 'svn' suffix, we don't want that for
 490   # our version checks.
 491   _llvm_patch = _llvm_version[2]
 492   if _llvm_patch.endswith('svn')
 493     _llvm_patch = _llvm_patch.split('s')[0]
 494   endif
 495   pre_args += [
 496     '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
 497     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
 498   ]
 499 endif
 500
 501 dep_glvnd = []
 502 if with_glvnd
 503   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
 504   pre_args += '-DUSE_LIBGLVND=1'
 505 endif
 506
 507 # TODO: make this conditional
 508 dep_valgrind = dependency('valgrind', required : false)
 509 if dep_valgrind.found() and with_valgrind
 510   pre_args += '-DHAVE_VALGRIND'
 511 endif
 512
 513 # pthread stubs. Lets not and say we didn't
 514
 515 prog_bison = find_program('bison', required : with_any_opengl)
 516 prog_flex = find_program('flex', required : with_any_opengl)
 517
 518 # TODO: selinux
 519 dep_selinux = []
 520
 521 # TODO: llvm-prefix and llvm-shared-libs
 522
 523 # TODO: unwind (llvm [radeon, gallivm] and gallium)
 524
 525 # TODO: flags for opengl, gles, dri
 526
 527 # TODO: gallium-hud
 528
 529 # TODO: glx provider
 530
 531 # TODO: osmesa provider
 532
 533 # TODO: flags for xa, egl, gbm, nin, xvmc, vdpau, omx, va, opencl,
 534 #       gallium-tests,
 535
 536 # TODO: gallium drivers
 537
 538 # TODO: symbol mangling
 539
 540 # TODO: egl configuration
 541
 542 if with_platform_wayland
 543   prog_wl_scanner = find_program('wayland-scanner')
 544   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
 545   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
 546   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
 547 else
 548   prog_wl_scanner = []
 549   dep_wl_protocols = []
 550   dep_wayland_client = []
 551   dep_wayland_server = []
 552 endif
 553
 554 dep_xcb_dri2 = []
 555 dep_xcb_dri3 = []
 556 dep_dri2proto = []
 557 dep_glproto = []
 558 dep_x11 = []
 559 dep_xf86vm = []
 560 if with_platform_x11
 561   if with_glx == 'xlib'
 562     # TODO
 563     error('TODO')
 564   elif with_glx == 'gallium-xlib'
 565     # TODO
 566     error('TODO')
 567   else
 568     pre_args += '-DGLX_INDIRECT_RENDERING'
 569     if with_glx_direct
 570       pre_args += '-DGLX_DIRECT_RENDERING'
 571     endif
 572     if with_dri_platform == 'drm'
 573       pre_args += '-DGLX_USE_DRM'
 574       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
 575       dep_x11 = [
 576         dependency('x11'),
 577         dependency('xext'),
 578         dependency('xdamage', version : '>= 1.1'),
 579         dependency('xfixes'),
 580         dependency('x11-xcb'),
 581         dependency('xcb'),
 582         dependency('xcb-glx', version : '>= 1.8.1'),
 583       ]
 584
 585       dep_xf86vm = dependency('xf86vm', required : false)
 586     endif
 587     # TODO: XF86VIDMODE
 588   endif
 589   if with_glx != 'disabled'
 590     dep_glproto = dependency('glproto', version : '>= 1.4.14')
 591   endif
 592   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 593     dep_xcb_dri2 = [
 594       dependency('x11-xcb'),
 595       dependency('xcb'),
 596       dependency('xcb-dri2', version : '>= 1.8'),
 597       dependency('xcb-xfixes'),
 598     ]
 599     pre_args += '-DHAVE_X11_PLATFORM'
 600     if with_dri3
 601       pre_args += '-DHAVE_DRI3'
 602       dep_xcb_dri3 = [
 603         dep_xcb_dri2,
 604         dependency('xcb-dri3'),
 605         dependency('xcb-present'),
 606         dependency('xcb-sync'),
 607         dependency('xshmfence', version : '>= 1.1'),
 608       ]
 609     endif
 610   endif
 611 endif
 612
 613 # TODO: platforms for !vulkan
 614
 615 # TODO: osmesa
 616
 617 # TODO: egl
 618
 619 # TODO: xa
 620
 621 # TODO: vallium G3DVL
 622
 623 # TODO: nine
 624
 625 # TODO: clover
 626
 627 # TODO: egl sans x11
 628
 629 # TODO: xvmc
 630
 631 # TODO: gallium tests
 632
 633 # TODO: various libdirs
 634
 635 # TODO: swr
 636
 637 # TODO: gallium driver dirs
 638
 639 # FIXME: this is a workaround for #2326
 640 prog_touch = find_program('touch')
 641 dummy_cpp = custom_target(
 642   'dummy_cpp',
 643   output : 'dummy.cpp',
 644   command : [prog_touch, '@OUTPUT@'],
 645 )
 646
 647 foreach a : pre_args
 648   add_project_arguments(a, language : ['c', 'cpp'])
 649 endforeach
 650 foreach a : c_args
 651   add_project_arguments(a, language : ['c'])
 652 endforeach
 653 foreach a : cpp_args
 654   add_project_arguments(a, language : ['cpp'])
 655 endforeach
 656
 657 inc_include = include_directories('include')
 658
 659 pkg = import('pkgconfig')
 660
 661 subdir('include')
 662 subdir('src')