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   '-D_GNU_SOURCE',
  35 ]
  36
  37 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  38 with_tests = get_option('build-tests')
  39 with_valgrind = get_option('valgrind')
  40 with_asm = get_option('asm')
  41 with_llvm = get_option('llvm')
  42 if get_option('texture-float')
  43   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  44   message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  45 endif
  46
  47 # XXX: yeah, do these
  48 with_appledri = false
  49 with_windowsdri = false
  50
  51 dri_drivers_path = get_option('dri-drivers-path')
  52 if dri_drivers_path == ''
  53   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  54 endif
  55
  56 with_gles1 = get_option('gles1')
  57 with_gles2 = get_option('gles2')
  58 with_opengl = get_option('opengl')
  59 with_any_opengl = with_opengl or with_gles1 or with_gles2
  60 # Only build shared_glapi if at least one OpenGL API is enabled
  61 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  62
  63 # TODO: these will need options, but at the moment they just control header
  64 # installs
  65 with_osmesa = false
  66
  67 # shared-glapi is required if at least two OpenGL APIs are being built
  68 if not with_shared_glapi
  69   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  70       or (with_gles2 and with_opengl))
  71     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  72   endif
  73 endif
  74
  75 # We require OpenGL for OpenGL ES
  76 if (with_gles1 or with_gles2) and not with_opengl
  77   error('building OpenGL ES without OpenGL is not supported.')
  78 endif
  79
  80 with_dri = false
  81 with_dri_i915 = false
  82 with_dri_i965 = false
  83 with_dri_swrast = false
  84 _drivers = get_option('dri-drivers')
  85 if _drivers != ''
  86   _split = _drivers.split(',')
  87   with_dri_i915 = _split.contains('i915')
  88   with_dri_i965 = _split.contains('i965')
  89   with_dri_swrast = _split.contains('swrast')
  90   with_dri = true
  91 endif
  92
  93 with_gallium = false
  94 with_gallium_pl111 = false
  95 with_gallium_radeonsi = false
  96 with_gallium_nouveau = false
  97 with_gallium_softpipe = false
  98 with_gallium_vc4 = false
  99 with_gallium_vc5 = false
 100 _drivers = get_option('gallium-drivers')
 101 if _drivers != ''
 102   _split = _drivers.split(',')
 103   with_gallium_pl111 = _split.contains('pl111')
 104   with_gallium_radeonsi = _split.contains('radeonsi')
 105   with_gallium_nouveau = _split.contains('nouveau')
 106   with_gallium_softpipe = _split.contains('swrast')
 107   with_gallium_vc4 = _split.contains('vc4')
 108   with_gallium_vc5 = _split.contains('vc5')
 109   with_gallium = true
 110   with_dri = true
 111 endif
 112
 113 if not (with_dri or with_gallium)
 114   with_gles1 = false
 115   with_gles2 = false
 116   with_opengl = false
 117   with_any_opengl = false
 118   with_shared_glapi = false
 119 endif
 120
 121 if with_dri_swrast and with_gallium_softpipe
 122   error('Only one swrast provider can be built')
 123 endif
 124
 125 dep_libdrm_intel = []
 126 if with_dri_i915
 127   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 128 endif
 129
 130 # TODO: other OSes
 131 with_dri_platform = 'drm'
 132
 133 # TODO: there are more platforms required for non-vulkan drivers
 134 with_platform_wayland = false
 135 with_platform_x11 = false
 136 with_platform_drm = false
 137 _platforms = get_option('platforms')
 138 if _platforms != ''
 139   _split = _platforms.split(',')
 140   with_platform_x11 = _split.contains('x11')
 141   with_platform_wayland = _split.contains('wayland')
 142   with_platform_drm = _split.contains('drm')
 143 endif
 144
 145 with_gbm = get_option('gbm')
 146 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 147   with_gbm = host_machine.system() == 'linux'
 148 elif with_gbm == 'yes'
 149   if not ['linux', 'bsd'].contains(host_machine.system())
 150     error('GBM only supports unix-like platforms')
 151   endif
 152   with_gbm = true
 153 else
 154   with_gbm = false
 155 endif
 156
 157 pre_args += '-DGLX_USE_TLS'
 158 with_glx = get_option('glx')
 159 if with_glx != 'disabled'
 160   if not (with_platform_x11 and with_any_opengl)
 161     if with_glx == 'auto'
 162       with_glx = 'disabled'
 163     else
 164       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 165     endif
 166   elif with_glx == 'gallium-xlib'
 167     if not with_gallium
 168       error('Gallium-xlib based GLX requires at least one gallium driver')
 169     elif with_dri
 170       error('gallium-xlib conflicts with any dri driver')
 171     endif
 172   elif with_glx == 'dri' and not with_dri
 173     error('dri based GLX requires at least one DRI driver')
 174   elif with_glx == 'auto'
 175     if with_dri
 176       with_glx = 'dri'
 177     elif with_gallium
 178       with_glx = 'gallium-xlib'
 179     elif with_platform_x11 and with_any_opengl
 180       with_glx = 'xlib'
 181     else
 182       with_glx = 'disabled'
 183     endif
 184   endif
 185 endif
 186
 187 with_glvnd = get_option('glvnd')
 188 if with_glvnd and with_glx != 'dri'
 189   message('glvnd requires dri based glx')
 190 endif
 191
 192 # TODO: toggle for this
 193 with_glx_direct = true
 194
 195 if with_vulkan_icd_dir == ''
 196   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 197 endif
 198
 199 with_intel_vk = false
 200 with_amd_vk = false
 201 with_any_vk = false
 202 _vulkan_drivers = get_option('vulkan-drivers')
 203 if _vulkan_drivers != ''
 204   _split = _vulkan_drivers.split(',')
 205   with_intel_vk = _split.contains('intel')
 206   with_amd_vk = _split.contains('amd')
 207   with_any_vk = with_amd_vk or with_intel_vk
 208   if not (with_platform_x11 or with_platform_wayland)
 209     error('Vulkan requires at least one platform (x11, wayland)')
 210   endif
 211 endif
 212
 213 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 214 with_dri3 = get_option('dri3')
 215 if with_dri3 == 'auto'
 216   if host_machine.system() == 'linux' and with_dri2
 217     with_dri3 = true
 218   else
 219     with_dri3 = false
 220  endif
 221 elif with_dri3 == 'yes'
 222   with_dri3 = true
 223 else
 224   with_dri3 = false
 225 endif
 226
 227 if with_any_vk and (with_platform_x11 and not with_dri3)
 228   error('Vulkan drivers require dri3 for X11 support')
 229 endif
 230 if with_dri or with_gallium
 231   if with_glx == 'disabled' # TODO: or egl
 232     error('building dri or gallium drivers require at least one window system')
 233   endif
 234 endif
 235
 236 with_gallium_xvmc = false
 237 with_gallium_vdpau = false
 238 with_gallium_omx = false  # this is bellagio
 239 with_gallium_va = false
 240 with_gallium_media = false
 241 dep_va = []
 242 _drivers = get_option('gallium-media')
 243 if _drivers != ''
 244   _split = _drivers.split(',')
 245   with_gallium_xvmc = _split.contains('xvmc')
 246   with_gallium_vdpau = _split.contains('vdpau')
 247   with_gallium_omx = _split.contains('omx')
 248   with_gallium_va = _split.contains('va')
 249   with_gallium_media = (with_gallium_xvmc or with_gallium_vdpau or
 250                         with_gallium_omx or with_gallium_va)
 251 endif
 252
 253 if with_platform_x11
 254   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 255     pre_args += '-DHAVE_X11_PLATFORM'
 256   endif
 257   if with_glx == 'xlib'
 258     # TODO
 259     error('TODO')
 260   elif with_glx == 'gallium-xlib'
 261     # TODO
 262     error('TODO')
 263   else
 264     pre_args += '-DGLX_INDIRECT_RENDERING'
 265     if with_glx_direct
 266       pre_args += '-DGLX_DIRECT_RENDERING'
 267     endif
 268     if with_dri_platform == 'drm'
 269       pre_args += '-DGLX_USE_DRM'
 270     endif
 271   endif
 272 endif
 273
 274 prog_python2 = find_program('python2')
 275 has_mako = run_command(prog_python2, '-c', 'import mako')
 276 if has_mako.returncode() != 0
 277   error('Python (2.x) mako module required to build mesa.')
 278 endif
 279
 280 cc = meson.get_compiler('c')
 281 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 282   error('When using GCC, version 4.4.6 or later is required.')
 283 endif
 284
 285 # Define DEBUG for debug and debugoptimized builds
 286 if get_option('buildtype').startswith('debug')
 287   pre_args += '-DDEBUG'
 288 endif
 289
 290 if get_option('shader-cache')
 291   pre_args += '-DENABLE_SHADER_CACHE'
 292 elif with_amd_vk
 293   error('Radv requires shader cache support')
 294 endif
 295
 296 # Check for GCC style builtins
 297 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 298              'ffsll', 'popcount', 'popcountll', 'unreachable']
 299   if cc.has_function(b)
 300     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 301   endif
 302 endforeach
 303
 304 # check for GCC __attribute__
 305 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 306              'warn_unused_result', 'weak',]
 307   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 308                  name : '__attribute__((@0@))'.format(a))
 309     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 310   endif
 311 endforeach
 312 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 313                name : '__attribute__((format(...)))')
 314   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 315 endif
 316 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 317                name : '__attribute__((packed))')
 318   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 319 endif
 320 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 321                name : '__attribute__((returns_nonnull))')
 322   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 323 endif
 324 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 325                   int foo_hid(void) __attribute__((visibility("hidden")));
 326                   int foo_int(void) __attribute__((visibility("internal")));
 327                   int foo_pro(void) __attribute__((visibility("protected")));''',
 328                name : '__attribute__((visibility(...)))')
 329   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 330 endif
 331 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 332                name : '__attribute__((alias(...)))')
 333   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 334 endif
 335
 336 # TODO: this is very incomplete
 337 if host_machine.system() == 'linux'
 338   pre_args += '-D_GNU_SOURCE'
 339 endif
 340
 341 # Check for generic C arguments
 342 c_args = []
 343 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 344              '-Werror=missing-prototypes', '-fno-math-errno',
 345              '-fno-trapping-math', '-Qunused-arguments']
 346   if cc.has_argument(a)
 347     c_args += a
 348   endif
 349 endforeach
 350 c_vis_args = []
 351 if cc.has_argument('-fvisibility=hidden')
 352   c_vis_args += '-fvisibility=hidden'
 353 endif
 354
 355 # Check for generic C++ arguments
 356 cpp = meson.get_compiler('cpp')
 357 cpp_args = []
 358 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 359              '-Qunused-arguments', '-Wno-non-virtual-dtor']
 360   if cpp.has_argument(a)
 361     cpp_args += a
 362   endif
 363 endforeach
 364 cpp_vis_args = []
 365 if cpp.has_argument('-fvisibility=hidden')
 366   cpp_vis_args += '-fvisibility=hidden'
 367 endif
 368
 369 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 370 # in parts of the mesa code base that need to compile with old versions of
 371 # MSVC, mainly common code
 372 c_msvc_compat_args = []
 373 cpp_msvc_compat_args = []
 374 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 375   if cc.has_argument(a)
 376     c_msvc_compat_args += a
 377   endif
 378   if cpp.has_argument(a)
 379     cpp_msvc_compat_args += a
 380   endif
 381 endforeach
 382
 383 no_override_init_args = []
 384 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 385   if cc.has_argument(a)
 386     no_override_init_args += a
 387   endif
 388 endforeach
 389
 390 # TODO: SSE41 (which is only required for core mesa)
 391
 392 # Check for GCC style atomics
 393 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 394                name : 'GCC atomic builtins')
 395   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 396 endif
 397 if not cc.links('''#include <stdint.h>
 398                    uint64_t v;
 399                    int main() {
 400                      return __sync_add_and_fetch(&v, (uint64_t)1);
 401                    }''',
 402                 name : 'GCC 64bit atomics')
 403   pre_args += '-DMISSING_64_BIT_ATOMICS'
 404 endif
 405
 406 # TODO: endian
 407 # TODO: powr8
 408 # TODO: shared/static? Is this even worth doing?
 409
 410 # I don't think that I need to set any of the debug stuff, I think meson
 411 # handles that for us
 412
 413 # TODO: ldflags
 414
 415 # TODO: texture-float (gallium/mesa only)
 416
 417 # TODO: cross-compiling. I don't think this is relavent to meson
 418
 419 # FIXME: enable asm when cross compiler
 420 # This is doable (autotools does it), but it's not of immediate concern
 421 if meson.is_cross_build()
 422   message('Cross compiling, disabling asm')
 423   with_asm = false
 424 endif
 425
 426 with_asm_arch = ''
 427 if with_asm
 428   # TODO: SPARC and PPC
 429   if host_machine.cpu_family() == 'x86'
 430     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 431       with_asm_arch = 'x86'
 432       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 433                    '-DUSE_SSE_ASM']
 434     endif
 435   elif host_machine.cpu_family() == 'x86_64'
 436     if host_machine.system() == 'linux'
 437       with_asm_arch = 'x86_64'
 438       pre_args += ['-DUSE_X86_64_ASM']
 439     endif
 440   elif host_machine.cpu_family() == 'arm'
 441     if host_machine.system() == 'linux'
 442       with_asm_arch = 'arm'
 443       pre_args += ['-DUSE_ARM_ASM']
 444     endif
 445   elif host_machine.cpu_family() == 'aarch64'
 446     if host_machine.system() == 'linux'
 447       with_asm_arch = 'aarch64'
 448       pre_args += ['-DUSE_AARCH64_ASM']
 449     endif
 450   endif
 451 endif
 452
 453 # Check for standard headers and functions
 454 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 455   pre_args += '-DMAJOR_IN_SYSMACROS'
 456 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 457   pre_args += '-DMAJOR_IN_MKDEV'
 458 endif
 459
 460 foreach h : ['xlocale.h', 'sys/sysctl.h']
 461   if cc.has_header(h)
 462     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 463   endif
 464 endforeach
 465
 466 foreach f : ['strtof', 'mkostemp', 'posix_memalign']
 467   if cc.has_function(f)
 468     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 469   endif
 470 endforeach
 471
 472 # strtod locale support
 473 if cc.links('''
 474     #define _GNU_SOURCE
 475     #include <stdlib.h>
 476     #include <locale.h>
 477     #ifdef HAVE_XLOCALE_H
 478     #include <xlocale.h>
 479     #endif
 480     int main() {
 481       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 482       const char *s = "1.0";
 483       char *end;
 484       double d = strtod_l(s, end, loc);
 485       float f = strtod_l(s, end, loc);
 486       freelocale(loc);
 487       return 0;
 488     }''',
 489     extra_args : pre_args,
 490     name : 'strtod has locale support')
 491   pre_args += '-DHAVE_STRTOD_L'
 492 endif
 493
 494 # Check for some linker flags
 495 ld_args_bsymbolic = []
 496 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 497   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 498 endif
 499 ld_args_gc_sections = []
 500 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 501             args : '-Wl,--gc-sections', name : 'gc-sections')
 502   ld_args_gc_sections += '-Wl,--gc-sections'
 503 endif
 504 with_ld_version_script = false
 505 if cc.links('int main() { return 0; }',
 506             args : '-Wl,--version-script=@0@'.format(
 507               join_paths(meson.source_root(), 'build-support/conftest.map')),
 508             name : 'version-script')
 509   with_ld_version_script = true
 510 endif
 511 with_ld_dynamic_list = false
 512 if cc.links('int main() { return 0; }',
 513             args : '-Wl,--dynamic-list=@0@'.format(
 514               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 515             name : 'dynamic-list')
 516   with_ld_dynamic_list = true
 517 endif
 518
 519 # check for dl support
 520 if cc.has_function('dlopen')
 521   dep_dl = []
 522 else
 523   dep_dl = cc.find_library('dl')
 524 endif
 525 if cc.has_function('dladdr', dependencies : dep_dl)
 526   # This is really only required for megadrivers
 527   pre_args += '-DHAVE_DLADDR'
 528 endif
 529
 530 if cc.has_function('dl_iterate_phdr')
 531   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 532 else
 533   # TODO: this is required for vulkan
 534 endif
 535
 536 # Determine whether or not the rt library is needed for time functions
 537 if cc.has_function('clock_gettime')
 538   dep_clock = []
 539 else
 540   dep_clock = cc.find_library('rt')
 541 endif
 542
 543 with_gallium_drisw_kms = false
 544 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 545                         required : with_dri2 or with_dri3)
 546 if dep_libdrm.found()
 547   pre_args += '-DHAVE_LIBDRM'
 548   if with_dri_platform == 'drm' and with_dri
 549     with_gallium_drisw_kms = true
 550   endif
 551 endif
 552
 553 # TODO: some of these may be conditional
 554 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 555 dep_thread = dependency('threads')
 556 if dep_thread.found() and host_machine.system() == 'linux'
 557   pre_args += '-DHAVE_PTHREAD'
 558 endif
 559 dep_elf = dependency('libelf', required : false)
 560 if not dep_elf.found() and (with_amd_vk or with_gallium_radeonsi) # TODO: clover, r600
 561   dep_elf = cc.find_library('elf')
 562 endif
 563 dep_expat = dependency('expat')
 564 # this only exists on linux so either this is linux and it will be found, or
 565 # its not linux and and wont
 566 dep_m = cc.find_library('m', required : false)
 567
 568 dep_libdrm_amdgpu = []
 569 dep_libdrm_radeon = []
 570 dep_libdrm_nouveau = []
 571 if with_amd_vk or with_gallium_radeonsi
 572   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.85')
 573 endif
 574 if with_gallium_radeonsi # older radeon too
 575   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 576 endif
 577 if with_gallium_nouveau
 578   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 579 endif
 580
 581 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 582 if with_amd_vk
 583   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 584 endif
 585 dep_llvm = dependency(
 586   'llvm', version : '>= 3.9.0', required : with_amd_vk, modules : llvm_modules,
 587 )
 588 if with_llvm
 589   if dep_llvm.found()
 590     _llvm_version = dep_llvm.version().split('.')
 591     # Development versions of LLVM have an 'svn' suffix, we don't want that for
 592     # our version checks.
 593     _llvm_patch = _llvm_version[2]
 594     if _llvm_patch.endswith('svn')
 595       _llvm_patch = _llvm_patch.split('s')[0]
 596     endif
 597     pre_args += [
 598       '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
 599       '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
 600     ]
 601   else
 602     if with_gallium_softpipe
 603       error('Cannot find LLVM to build LLVMPipe. If you wanted softpipe pass -Dllvm=false to meson')
 604     elif with_amd_vk or with_gallium_radeonsi # etc
 605       error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM was not found.')
 606     endif
 607   endif
 608 elif with_amd_vk or with_gallium_radeonsi
 609   error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM is disabled.')
 610 endif
 611
 612 dep_glvnd = []
 613 if with_glvnd
 614   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
 615   pre_args += '-DUSE_LIBGLVND=1'
 616 endif
 617
 618 # TODO: make this conditional
 619 dep_valgrind = dependency('valgrind', required : false)
 620 if dep_valgrind.found() and with_valgrind
 621   pre_args += '-DHAVE_VALGRIND'
 622 endif
 623
 624 # pthread stubs. Lets not and say we didn't
 625
 626 prog_bison = find_program('bison', required : with_any_opengl)
 627 prog_flex = find_program('flex', required : with_any_opengl)
 628
 629 # TODO: selinux
 630 dep_selinux = []
 631
 632 # TODO: llvm-prefix and llvm-shared-libs
 633
 634 dep_unwind = dependency('libunwind', required : false)
 635 if dep_unwind.found()
 636   pre_args += '-DHAVE_LIBUNWIND'
 637 endif
 638
 639 # TODO: flags for opengl, gles, dri
 640
 641 # TODO: gallium-hud
 642
 643 # TODO: glx provider
 644
 645 # TODO: osmesa provider
 646
 647 # TODO: symbol mangling
 648
 649 # TODO: egl configuration
 650
 651 if with_platform_wayland
 652   prog_wl_scanner = find_program('wayland-scanner')
 653   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
 654   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
 655   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
 656 else
 657   prog_wl_scanner = []
 658   dep_wl_protocols = []
 659   dep_wayland_client = []
 660   dep_wayland_server = []
 661 endif
 662
 663 dep_x11 = []
 664 dep_xext = []
 665 dep_xdamage = []
 666 dep_xfixes = []
 667 dep_x11_xcb = []
 668 dep_xcb_glx = []
 669 dep_xcb_dri2 = []
 670 dep_xcb_dri3 = []
 671 dep_dri2proto = []
 672 dep_glproto = []
 673 dep_xf86vm = []
 674 dep_xcb_dri3 = []
 675 dep_xcb_present = []
 676 dep_xcb_sync = []
 677 dep_xshmfence = []
 678 if with_platform_x11
 679   if with_glx == 'dri' and with_dri_platform == 'drm'
 680     dep_x11 = dependency('x11')
 681     dep_xext = dependency('xext')
 682     dep_xdamage = dependency('xdamage', version : '>= 1.1')
 683     dep_xfixes = dependency('xfixes')
 684     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
 685     dep_xf86vm = dependency('xxf86vm', required : false)
 686   endif
 687   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 688     dep_xcb = dependency('xcb')
 689     dep_x11_xcb = dependency('x11-xcb')
 690     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
 691
 692     if with_dri3
 693       pre_args += '-DHAVE_DRI3'
 694       dep_xcb_dri3 = dependency('xcb-dri3')
 695       dep_xcb_present = dependency('xcb-present')
 696       dep_xcb_sync = dependency('xcb-sync')
 697       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
 698     endif
 699   endif
 700   if with_glx != 'disabled'
 701     dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
 702     dep_glproto = dependency('glproto', version : '>= 1.4.14')
 703   endif
 704 endif
 705
 706 # TODO: platforms for !vulkan
 707
 708 # TODO: osmesa
 709
 710 # TODO: egl
 711
 712 # TODO: vallium G3DVL
 713
 714 # TODO: nine
 715
 716 # TODO: clover
 717
 718 # TODO: egl sans x11
 719 # TODO: gallium tests
 720
 721 # TODO: various libdirs
 722
 723 # TODO: swr
 724
 725 # TODO: gallium driver dirs
 726
 727 # FIXME: this is a workaround for #2326
 728 prog_touch = find_program('touch')
 729 dummy_cpp = custom_target(
 730   'dummy_cpp',
 731   output : 'dummy.cpp',
 732   command : [prog_touch, '@OUTPUT@'],
 733 )
 734
 735 foreach a : pre_args
 736   add_project_arguments(a, language : ['c', 'cpp'])
 737 endforeach
 738 foreach a : c_args
 739   add_project_arguments(a, language : ['c'])
 740 endforeach
 741 foreach a : cpp_args
 742   add_project_arguments(a, language : ['cpp'])
 743 endforeach
 744
 745 inc_include = include_directories('include')
 746
 747 pkg = import('pkgconfig')
 748
 749 subdir('include')
 750 subdir('src')