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_vc4 = _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) and with_glx != 'auto'
 161     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 162   elif with_glx == 'gallium-xlib'
 163     if not with_gallium
 164       error('Gallium-xlib based GLX requires at least one gallium driver')
 165     elif with_dri
 166       error('gallium-xlib conflicts with any dri driver')
 167     endif
 168   elif with_glx == 'dri' and not with_dri
 169     error('dri based GLX requires at least one DRI driver')
 170   elif with_glx == 'auto'
 171     if with_dri
 172       with_glx = 'dri'
 173     elif with_gallium
 174       with_glx = 'gallium-xlib'
 175     elif with_platform_x11 and with_any_opengl
 176       with_glx = 'xlib'
 177     else
 178       with_glx = 'disabled'
 179     endif
 180   endif
 181 endif
 182
 183 with_glvnd = get_option('glvnd')
 184 if with_glvnd and with_glx != 'dri'
 185   message('glvnd requires dri based glx')
 186 endif
 187
 188 # TODO: toggle for this
 189 with_glx_direct = true
 190
 191 if with_vulkan_icd_dir == ''
 192   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 193 endif
 194
 195 with_intel_vk = false
 196 with_amd_vk = false
 197 with_any_vk = false
 198 _vulkan_drivers = get_option('vulkan-drivers')
 199 if _vulkan_drivers != ''
 200   _split = _vulkan_drivers.split(',')
 201   with_intel_vk = _split.contains('intel')
 202   with_amd_vk = _split.contains('amd')
 203   with_any_vk = with_amd_vk or with_intel_vk
 204   if not (with_platform_x11 or with_platform_wayland)
 205     error('Vulkan requires at least one platform (x11, wayland)')
 206   endif
 207 endif
 208
 209 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 210 with_dri3 = get_option('dri3')
 211 if with_dri3 == 'auto'
 212   if host_machine.system() == 'linux' and with_dri2
 213     with_dri3 = true
 214   else
 215     with_dri3 = false
 216  endif
 217 elif with_dri3 == 'yes'
 218   with_dri3 = true
 219 else
 220   with_dri3 = false
 221 endif
 222
 223 if with_any_vk and (with_platform_x11 and not with_dri3)
 224   error('Vulkan drivers require dri3 for X11 support')
 225 endif
 226 if with_dri or with_gallium
 227   if with_glx == 'disabled' # TODO: or egl
 228     error('building dri or gallium drivers require at least one window system')
 229   endif
 230 endif
 231
 232 with_gallium_xvmc = false
 233 with_gallium_vdpau = false
 234 with_gallium_omx = false  # this is bellagio
 235 with_gallium_va = false
 236 with_gallium_media = false
 237 dep_va = []
 238 _drivers = get_option('gallium-media')
 239 if _drivers != ''
 240   _split = _drivers.split(',')
 241   with_gallium_xvmc = _split.contains('xvmc')
 242   with_gallium_vdpau = _split.contains('vdpau')
 243   with_gallium_omx = _split.contains('omx')
 244   with_gallium_va = _split.contains('va')
 245   with_gallium_media = (with_gallium_xvmc or with_gallium_vdpau or
 246                         with_gallium_omx or with_gallium_va)
 247 endif
 248
 249 if with_platform_x11
 250   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 251     pre_args += '-DHAVE_X11_PLATFORM'
 252   endif
 253   if with_glx == 'xlib'
 254     # TODO
 255     error('TODO')
 256   elif with_glx == 'gallium-xlib'
 257     # TODO
 258     error('TODO')
 259   else
 260     pre_args += '-DGLX_INDIRECT_RENDERING'
 261     if with_glx_direct
 262       pre_args += '-DGLX_DIRECT_RENDERING'
 263     endif
 264     if with_dri_platform == 'drm'
 265       pre_args += '-DGLX_USE_DRM'
 266     endif
 267   endif
 268 endif
 269
 270 prog_python2 = find_program('python2')
 271 has_mako = run_command(prog_python2, '-c', 'import mako')
 272 if has_mako.returncode() != 0
 273   error('Python (2.x) mako module required to build mesa.')
 274 endif
 275
 276 cc = meson.get_compiler('c')
 277 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 278   error('When using GCC, version 4.4.6 or later is required.')
 279 endif
 280
 281 # Define DEBUG for debug and debugoptimized builds
 282 if get_option('buildtype').startswith('debug')
 283   pre_args += '-DDEBUG'
 284 endif
 285
 286 if get_option('shader-cache')
 287   pre_args += '-DENABLE_SHADER_CACHE'
 288 elif with_amd_vk
 289   error('Radv requires shader cache support')
 290 endif
 291
 292 # Check for GCC style builtins
 293 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 294              'ffsll', 'popcount', 'popcountll', 'unreachable']
 295   if cc.has_function(b)
 296     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 297   endif
 298 endforeach
 299
 300 # check for GCC __attribute__
 301 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 302              'warn_unused_result', 'weak',]
 303   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 304                  name : '__attribute__((@0@))'.format(a))
 305     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 306   endif
 307 endforeach
 308 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 309                name : '__attribute__((format(...)))')
 310   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 311 endif
 312 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 313                name : '__attribute__((packed))')
 314   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 315 endif
 316 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 317                name : '__attribute__((returns_nonnull))')
 318   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 319 endif
 320 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 321                   int foo_hid(void) __attribute__((visibility("hidden")));
 322                   int foo_int(void) __attribute__((visibility("internal")));
 323                   int foo_pro(void) __attribute__((visibility("protected")));''',
 324                name : '__attribute__((visibility(...)))')
 325   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 326 endif
 327 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 328                name : '__attribute__((alias(...)))')
 329   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 330 endif
 331
 332 # TODO: this is very incomplete
 333 if host_machine.system() == 'linux'
 334   pre_args += '-D_GNU_SOURCE'
 335 endif
 336
 337 # Check for generic C arguments
 338 c_args = []
 339 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 340              '-Werror=missing-prototypes', '-fno-math-errno',
 341              '-fno-trapping-math', '-Qunused-arguments']
 342   if cc.has_argument(a)
 343     c_args += a
 344   endif
 345 endforeach
 346 c_vis_args = []
 347 if cc.has_argument('-fvisibility=hidden')
 348   c_vis_args += '-fvisibility=hidden'
 349 endif
 350
 351 # Check for generic C++ arguments
 352 cpp = meson.get_compiler('cpp')
 353 cpp_args = []
 354 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 355              '-Qunused-arguments', '-Wno-non-virtual-dtor']
 356   if cpp.has_argument(a)
 357     cpp_args += a
 358   endif
 359 endforeach
 360 cpp_vis_args = []
 361 if cpp.has_argument('-fvisibility=hidden')
 362   cpp_vis_args += '-fvisibility=hidden'
 363 endif
 364
 365 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 366 # in parts of the mesa code base that need to compile with old versions of
 367 # MSVC, mainly common code
 368 c_msvc_compat_args = []
 369 cpp_msvc_compat_args = []
 370 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 371   if cc.has_argument(a)
 372     c_msvc_compat_args += a
 373   endif
 374   if cpp.has_argument(a)
 375     cpp_msvc_compat_args += a
 376   endif
 377 endforeach
 378
 379 no_override_init_args = []
 380 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 381   if cc.has_argument(a)
 382     no_override_init_args += a
 383   endif
 384 endforeach
 385
 386 # TODO: SSE41 (which is only required for core mesa)
 387
 388 # Check for GCC style atomics
 389 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 390                name : 'GCC atomic builtins')
 391   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 392 endif
 393 if not cc.links('''#include <stdint.h>
 394                    uint64_t v;
 395                    int main() {
 396                      return __sync_add_and_fetch(&v, (uint64_t)1);
 397                    }''',
 398                 name : 'GCC 64bit atomics')
 399   pre_args += '-DMISSING_64_BIT_ATOMICS'
 400 endif
 401
 402 # TODO: endian
 403 # TODO: powr8
 404 # TODO: shared/static? Is this even worth doing?
 405
 406 # I don't think that I need to set any of the debug stuff, I think meson
 407 # handles that for us
 408
 409 # TODO: ldflags
 410
 411 # TODO: texture-float (gallium/mesa only)
 412
 413 # TODO: cross-compiling. I don't think this is relavent to meson
 414
 415 # FIXME: enable asm when cross compiler
 416 # This is doable (autotools does it), but it's not of immediate concern
 417 if meson.is_cross_build()
 418   message('Cross compiling, disabling asm')
 419   with_asm = false
 420 endif
 421
 422 with_asm_arch = ''
 423 if with_asm
 424   # TODO: SPARC and PPC
 425   if host_machine.cpu_family() == 'x86'
 426     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 427       with_asm_arch = 'x86'
 428       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 429                    '-DUSE_SSE_ASM']
 430     endif
 431   elif host_machine.cpu_family() == 'x86_64'
 432     if host_machine.system() == 'linux'
 433       with_asm_arch = 'x86_64'
 434       pre_args += ['-DUSE_X86_64_ASM']
 435     endif
 436   elif host_machine.cpu_family() == 'arm'
 437     if host_machine.system() == 'linux'
 438       with_asm_arch = 'arm'
 439       pre_args += ['-DUSE_ARM_ASM']
 440     endif
 441   elif host_machine.cpu_family() == 'aarch64'
 442     if host_machine.system() == 'linux'
 443       with_asm_arch = 'aarch64'
 444       pre_args += ['-DUSE_AARCH64_ASM']
 445     endif
 446   endif
 447 endif
 448
 449 # Check for standard headers and functions
 450 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 451   pre_args += '-DMAJOR_IN_SYSMACROS'
 452 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 453   pre_args += '-DMAJOR_IN_MKDEV'
 454 endif
 455
 456 foreach h : ['xlocale.h', 'sys/sysctl.h']
 457   if cc.has_header(h)
 458     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 459   endif
 460 endforeach
 461
 462 foreach f : ['strtof', 'mkostemp', 'posix_memalign']
 463   if cc.has_function(f)
 464     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 465   endif
 466 endforeach
 467
 468 # strtod locale support
 469 if cc.links('''
 470     #define _GNU_SOURCE
 471     #include <stdlib.h>
 472     #include <locale.h>
 473     #ifdef HAVE_XLOCALE_H
 474     #include <xlocale.h>
 475     #endif
 476     int main() {
 477       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 478       const char *s = "1.0";
 479       char *end;
 480       double d = strtod_l(s, end, loc);
 481       float f = strtod_l(s, end, loc);
 482       freelocale(loc);
 483       return 0;
 484     }''',
 485     extra_args : pre_args,
 486     name : 'strtod has locale support')
 487   pre_args += '-DHAVE_STRTOD_L'
 488 endif
 489
 490 # Check for some linker flags
 491 ld_args_bsymbolic = []
 492 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 493   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 494 endif
 495 ld_args_gc_sections = []
 496 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 497             args : '-Wl,--gc-sections', name : 'gc-sections')
 498   ld_args_gc_sections += '-Wl,--gc-sections'
 499 endif
 500 with_ld_version_script = false
 501 if cc.links('int main() { return 0; }',
 502             args : '-Wl,--version-script=@0@'.format(
 503               join_paths(meson.source_root(), 'build-support/conftest.map')),
 504             name : 'version-script')
 505   with_ld_version_script = true
 506 endif
 507 with_ld_dynamic_list = false
 508 if cc.links('int main() { return 0; }',
 509             args : '-Wl,--dynamic-list=@0@'.format(
 510               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 511             name : 'dynamic-list')
 512   with_ld_dynamic_list = true
 513 endif
 514
 515 # check for dl support
 516 if cc.has_function('dlopen')
 517   dep_dl = []
 518 else
 519   dep_dl = cc.find_library('dl')
 520 endif
 521 if cc.has_function('dladdr', dependencies : dep_dl)
 522   # This is really only required for megadrivers
 523   pre_args += '-DHAVE_DLADDR'
 524 endif
 525
 526 if cc.has_function('dl_iterate_phdr')
 527   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 528 else
 529   # TODO: this is required for vulkan
 530 endif
 531
 532 # Determine whether or not the rt library is needed for time functions
 533 if cc.has_function('clock_gettime')
 534   dep_clock = []
 535 else
 536   dep_clock = cc.find_library('rt')
 537 endif
 538
 539 with_gallium_drisw_kms = false
 540 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 541                         required : with_dri2 or with_dri3)
 542 if dep_libdrm.found()
 543   pre_args += '-DHAVE_LIBDRM'
 544   if with_dri_platform == 'drm' and with_dri
 545     with_gallium_drisw_kms = true
 546   endif
 547 endif
 548
 549 # TODO: some of these may be conditional
 550 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 551 dep_thread = dependency('threads')
 552 if dep_thread.found() and host_machine.system() == 'linux'
 553   pre_args += '-DHAVE_PTHREAD'
 554 endif
 555 dep_elf = dependency('libelf', required : false)
 556 if not dep_elf.found() and (with_amd_vk or with_gallium_radeonsi) # TODO: clover, r600
 557   dep_elf = cc.find_library('elf')
 558 endif
 559 dep_expat = dependency('expat')
 560 # this only exists on linux so either this is linux and it will be found, or
 561 # its not linux and and wont
 562 dep_m = cc.find_library('m', required : false)
 563
 564 dep_libdrm_amdgpu = []
 565 dep_libdrm_radeon = []
 566 dep_libdrm_nouveau = []
 567 if with_amd_vk or with_gallium_radeonsi
 568   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.84')
 569 endif
 570 if with_gallium_radeonsi # older radeon too
 571   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 572 endif
 573 if with_gallium_nouveau
 574   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 575 endif
 576
 577 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 578 if with_amd_vk
 579   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 580 endif
 581 dep_llvm = dependency(
 582   'llvm', version : '>= 3.9.0', required : with_amd_vk, modules : llvm_modules,
 583 )
 584 if with_llvm
 585   if dep_llvm.found()
 586     _llvm_version = dep_llvm.version().split('.')
 587     # Development versions of LLVM have an 'svn' suffix, we don't want that for
 588     # our version checks.
 589     _llvm_patch = _llvm_version[2]
 590     if _llvm_patch.endswith('svn')
 591       _llvm_patch = _llvm_patch.split('s')[0]
 592     endif
 593     pre_args += [
 594       '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
 595       '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
 596     ]
 597   else
 598     if with_gallium_softpipe
 599       error('Cannot find LLVM to build LLVMPipe. If you wanted softpipe pass -Dllvm=false to meson')
 600     elif with_amd_vk or with_gallium_radeonsi # etc
 601       error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM was not found.')
 602     endif
 603   endif
 604 elif with_amd_vk or with_gallium_radeonsi
 605   error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM is disabled.')
 606 endif
 607
 608 dep_glvnd = []
 609 if with_glvnd
 610   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
 611   pre_args += '-DUSE_LIBGLVND=1'
 612 endif
 613
 614 # TODO: make this conditional
 615 dep_valgrind = dependency('valgrind', required : false)
 616 if dep_valgrind.found() and with_valgrind
 617   pre_args += '-DHAVE_VALGRIND'
 618 endif
 619
 620 # pthread stubs. Lets not and say we didn't
 621
 622 prog_bison = find_program('bison', required : with_any_opengl)
 623 prog_flex = find_program('flex', required : with_any_opengl)
 624
 625 # TODO: selinux
 626 dep_selinux = []
 627
 628 # TODO: llvm-prefix and llvm-shared-libs
 629
 630 dep_unwind = dependency('libunwind', required : false)
 631 if dep_unwind.found()
 632   pre_args += '-DHAVE_LIBUNWIND'
 633 endif
 634
 635 # TODO: flags for opengl, gles, dri
 636
 637 # TODO: gallium-hud
 638
 639 # TODO: glx provider
 640
 641 # TODO: osmesa provider
 642
 643 # TODO: symbol mangling
 644
 645 # TODO: egl configuration
 646
 647 if with_platform_wayland
 648   prog_wl_scanner = find_program('wayland-scanner')
 649   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
 650   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
 651   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
 652 else
 653   prog_wl_scanner = []
 654   dep_wl_protocols = []
 655   dep_wayland_client = []
 656   dep_wayland_server = []
 657 endif
 658
 659 dep_x11 = []
 660 dep_xext = []
 661 dep_xdamage = []
 662 dep_xfixes = []
 663 dep_x11_xcb = []
 664 dep_xcb_glx = []
 665 dep_xcb_dri2 = []
 666 dep_xcb_dri3 = []
 667 dep_dri2proto = []
 668 dep_glproto = []
 669 dep_xf86vm = []
 670 dep_xcb_dri3 = []
 671 dep_xcb_present = []
 672 dep_xcb_sync = []
 673 dep_xshmfence = []
 674 if with_platform_x11
 675   if with_glx == 'dri' and with_dri_platform == 'drm'
 676     dep_x11 = dependency('x11')
 677     dep_xext = dependency('xext')
 678     dep_xdamage = dependency('xdamage', version : '>= 1.1')
 679     dep_xfixes = dependency('xfixes')
 680     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
 681     dep_xf86vm = dependency('xf86vm', required : false)
 682   endif
 683   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 684     dep_xcb = dependency('xcb')
 685     dep_x11_xcb = dependency('x11-xcb')
 686     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
 687
 688     if with_dri3
 689       pre_args += '-DHAVE_DRI3'
 690       dep_xcb_dri3 = dependency('xcb-dri3')
 691       dep_xcb_present = dependency('xcb-present')
 692       dep_xcb_sync = dependency('xcb-sync')
 693       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
 694     endif
 695   endif
 696   if with_glx != 'disabled'
 697     dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
 698     dep_glproto = dependency('glproto', version : '>= 1.4.14')
 699   endif
 700 endif
 701
 702 # TODO: platforms for !vulkan
 703
 704 # TODO: osmesa
 705
 706 # TODO: egl
 707
 708 # TODO: vallium G3DVL
 709
 710 # TODO: nine
 711
 712 # TODO: clover
 713
 714 # TODO: egl sans x11
 715 # TODO: gallium tests
 716
 717 # TODO: various libdirs
 718
 719 # TODO: swr
 720
 721 # TODO: gallium driver dirs
 722
 723 # FIXME: this is a workaround for #2326
 724 prog_touch = find_program('touch')
 725 dummy_cpp = custom_target(
 726   'dummy_cpp',
 727   output : 'dummy.cpp',
 728   command : [prog_touch, '@OUTPUT@'],
 729 )
 730
 731 foreach a : pre_args
 732   add_project_arguments(a, language : ['c', 'cpp'])
 733 endforeach
 734 foreach a : c_args
 735   add_project_arguments(a, language : ['c'])
 736 endforeach
 737 foreach a : cpp_args
 738   add_project_arguments(a, language : ['cpp'])
 739 endforeach
 740
 741 inc_include = include_directories('include')
 742
 743 pkg = import('pkgconfig')
 744
 745 subdir('include')
 746 subdir('src')