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 : '17.3.0-devel',
  25   license : 'MIT',
  26   meson_version : '>= 0.42',
  27   default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
  28 )
  29
  30 # Arguments for the preprocessor, put these in a separate array from the C and
  31 # C++ (cpp in meson terminology) arguments since they need to be added to the
  32 # default arguments for both C and C++.
  33 pre_args = [
  34   '-D__STDC_CONSTANT_MACROS',
  35   '-D__STDC_FORMAT_MACROS',
  36   '-D__STDC_LIMIT_MACROS',
  37   '-DVERSION="@0@"'.format(meson.project_version()),
  38   '-DPACKAGE_VERSION=VERSION',
  39   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  40   '-D_GNU_SOURCE',
  41 ]
  42
  43 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  44 with_tests = get_option('build-tests')
  45 with_valgrind = get_option('valgrind')
  46 with_libunwind = get_option('libunwind')
  47 with_asm = get_option('asm')
  48 with_llvm = get_option('llvm')
  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 # XXX: yeah, do these
  56 with_appledri = false
  57 with_windowsdri = false
  58
  59 dri_drivers_path = get_option('dri-drivers-path')
  60 if dri_drivers_path == ''
  61   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  62 endif
  63
  64 with_gles1 = get_option('gles1')
  65 with_gles2 = get_option('gles2')
  66 with_opengl = get_option('opengl')
  67 with_any_opengl = with_opengl or with_gles1 or with_gles2
  68 # Only build shared_glapi if at least one OpenGL API is enabled
  69 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  70
  71
  72 # shared-glapi is required if at least two OpenGL APIs are being built
  73 if not with_shared_glapi
  74   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  75       or (with_gles2 and with_opengl))
  76     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  77   endif
  78 endif
  79
  80 # We require OpenGL for OpenGL ES
  81 if (with_gles1 or with_gles2) and not with_opengl
  82   error('building OpenGL ES without OpenGL is not supported.')
  83 endif
  84
  85 with_dri = false
  86 with_dri_i915 = false
  87 with_dri_i965 = false
  88 with_dri_r100 = false
  89 with_dri_r200 = false
  90 with_dri_nouveau = false
  91 with_dri_swrast = false
  92 _drivers = get_option('dri-drivers')
  93 if _drivers != ''
  94   _split = _drivers.split(',')
  95   with_dri_i915 = _split.contains('i915')
  96   with_dri_i965 = _split.contains('i965')
  97   with_dri_r100 = _split.contains('r100')
  98   with_dri_r200 = _split.contains('r200')
  99   with_dri_nouveau = _split.contains('nouveau')
 100   with_dri_swrast = _split.contains('swrast')
 101   with_dri = true
 102 endif
 103
 104 with_gallium = false
 105 with_gallium_pl111 = false
 106 with_gallium_radeonsi = false
 107 with_gallium_nouveau = false
 108 with_gallium_freedreno = false
 109 with_gallium_softpipe = false
 110 with_gallium_vc4 = false
 111 with_gallium_vc5 = false
 112 with_gallium_etnaviv = false
 113 with_gallium_imx = false
 114 _drivers = get_option('gallium-drivers')
 115 if _drivers != ''
 116   _split = _drivers.split(',')
 117   with_gallium_pl111 = _split.contains('pl111')
 118   with_gallium_radeonsi = _split.contains('radeonsi')
 119   with_gallium_nouveau = _split.contains('nouveau')
 120   with_gallium_freedreno = _split.contains('freedreno')
 121   with_gallium_softpipe = _split.contains('swrast')
 122   with_gallium_vc4 = _split.contains('vc4')
 123   with_gallium_vc5 = _split.contains('vc5')
 124   with_gallium_etnaviv = _split.contains('etnaviv')
 125   with_gallium_imx = _split.contains('imx')
 126   with_gallium = true
 127   with_dri = true
 128 endif
 129
 130 if not (with_dri or with_gallium)
 131   with_gles1 = false
 132   with_gles2 = false
 133   with_opengl = false
 134   with_any_opengl = false
 135   with_shared_glapi = false
 136 endif
 137
 138 if with_dri_swrast and with_gallium_softpipe
 139   error('Only one swrast provider can be built')
 140 endif
 141 if with_gallium_imx and not with_gallium_etnaviv
 142   error('IMX driver requires etnaviv driver')
 143 endif
 144
 145 dep_libdrm_intel = []
 146 if with_dri_i915
 147   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 148 endif
 149
 150 # TODO: other OSes
 151 with_dri_platform = 'drm'
 152
 153 with_platform_android = false
 154 with_platform_wayland = false
 155 with_platform_x11 = false
 156 with_platform_drm = false
 157 with_platform_surfaceless = false
 158 egl_native_platform = ''
 159 _platforms = get_option('platforms')
 160 if _platforms != ''
 161   _split = _platforms.split(',')
 162   with_platform_android = _split.contains('android')
 163   with_platform_x11 = _split.contains('x11')
 164   with_platform_wayland = _split.contains('wayland')
 165   with_platform_drm = _split.contains('drm')
 166   with_platform_surfaceless = _split.contains('surfaceless')
 167   egl_native_platform = _split[0]
 168 endif
 169
 170 with_gbm = get_option('gbm')
 171 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 172   with_gbm = host_machine.system() == 'linux'
 173 elif with_gbm == 'true'
 174   if not ['linux', 'bsd'].contains(host_machine.system())
 175     error('GBM only supports unix-like platforms')
 176   endif
 177   with_gbm = true
 178 else
 179   with_gbm = false
 180 endif
 181
 182 _egl = get_option('egl')
 183 if _egl == 'auto'
 184   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 185 elif _egl == 'true'
 186   if not with_dri
 187     error('EGL requires dri')
 188   elif not with_shared_glapi
 189     error('EGL requires shared-glapi')
 190   elif egl_native_platform == ''
 191     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 192   endif
 193   with_egl = true
 194 else
 195   with_egl = false
 196 endif
 197
 198 # TODO: or virgl
 199 if with_egl and with_gallium_radeonsi and not (with_platform_drm or with_platform_surfaceless)
 200   error('RadeonSI requires drm or surfaceless platform when using EGL')
 201 endif
 202
 203 pre_args += '-DGLX_USE_TLS'
 204 with_glx = get_option('glx')
 205 if with_glx != 'disabled'
 206   if not (with_platform_x11 and with_any_opengl)
 207     if with_glx == 'auto'
 208       with_glx = 'disabled'
 209     else
 210       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 211     endif
 212   elif with_glx == 'gallium-xlib'
 213     if not with_gallium
 214       error('Gallium-xlib based GLX requires at least one gallium driver')
 215     elif with_dri
 216       error('gallium-xlib conflicts with any dri driver')
 217     endif
 218   elif with_glx == 'dri' and not with_dri
 219     error('dri based GLX requires at least one DRI driver')
 220   elif with_glx == 'auto'
 221     if with_dri
 222       with_glx = 'dri'
 223     elif with_gallium
 224       with_glx = 'gallium-xlib'
 225     elif with_platform_x11 and with_any_opengl
 226       with_glx = 'xlib'
 227     else
 228       with_glx = 'disabled'
 229     endif
 230   endif
 231 endif
 232
 233 with_glvnd = get_option('glvnd')
 234 if with_glvnd
 235   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 236     error('Cannot build glvnd support for GLX that is not DRI based.')
 237   elif with_glx == 'disabled' and not with_egl
 238     error('glvnd requires DRI based GLX and/or EGL')
 239   endif
 240 endif
 241
 242 # TODO: toggle for this
 243 with_glx_direct = true
 244
 245 if with_vulkan_icd_dir == ''
 246   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 247 endif
 248
 249 with_intel_vk = false
 250 with_amd_vk = false
 251 with_any_vk = false
 252 _vulkan_drivers = get_option('vulkan-drivers')
 253 if _vulkan_drivers != ''
 254   _split = _vulkan_drivers.split(',')
 255   with_intel_vk = _split.contains('intel')
 256   with_amd_vk = _split.contains('amd')
 257   with_any_vk = with_amd_vk or with_intel_vk
 258   if not (with_platform_x11 or with_platform_wayland or with_platform_android)
 259     error('Vulkan requires at least one platform (x11, wayland, android)')
 260   endif
 261 endif
 262
 263 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 264 with_dri3 = get_option('dri3')
 265 if with_dri3 == 'auto'
 266   if host_machine.system() == 'linux' and with_dri2
 267     with_dri3 = true
 268   else
 269     with_dri3 = false
 270  endif
 271 elif with_dri3 == 'true'
 272   with_dri3 = true
 273 else
 274   with_dri3 = false
 275 endif
 276
 277 if with_any_vk and (with_platform_x11 and not with_dri3)
 278   error('Vulkan drivers require dri3 for X11 support')
 279 endif
 280 if with_dri or with_gallium
 281   if with_glx == 'disabled' and not with_egl
 282     error('building dri or gallium drivers require at least one window system')
 283   endif
 284 endif
 285
 286 with_gallium_xvmc = false
 287 with_gallium_vdpau = false
 288 with_gallium_omx = false  # this is bellagio
 289 with_gallium_va = false
 290 with_gallium_media = false
 291 dep_va = []
 292 _drivers = get_option('gallium-media')
 293 if _drivers != ''
 294   _split = _drivers.split(',')
 295   with_gallium_xvmc = _split.contains('xvmc')
 296   with_gallium_vdpau = _split.contains('vdpau')
 297   with_gallium_omx = _split.contains('omx')
 298   with_gallium_va = _split.contains('va')
 299   with_gallium_media = (with_gallium_xvmc or with_gallium_vdpau or
 300                         with_gallium_omx or with_gallium_va)
 301 endif
 302
 303 gl_pkgconfig_c_flags = []
 304 if with_platform_x11
 305   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 306     pre_args += '-DHAVE_X11_PLATFORM'
 307   endif
 308   if with_glx == 'xlib'
 309     # TODO
 310     error('TODO')
 311   elif with_glx == 'gallium-xlib'
 312     # TODO
 313     error('TODO')
 314   else
 315     pre_args += '-DGLX_INDIRECT_RENDERING'
 316     if with_glx_direct
 317       pre_args += '-DGLX_DIRECT_RENDERING'
 318     endif
 319     if with_dri_platform == 'drm'
 320       pre_args += '-DGLX_USE_DRM'
 321     endif
 322   endif
 323 else
 324   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 325   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 326 endif
 327 if with_platform_drm
 328   if with_egl and not with_gbm
 329     error('EGL drm platform requires gbm')
 330   endif
 331   pre_args += '-DHAVE_DRM_PLATFORM'
 332 endif
 333 if with_platform_surfaceless
 334   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 335 endif
 336 if with_platform_android
 337   dep_android = [
 338     dependency('cutils'),
 339     dependency('hardware'),
 340     dependency('sync'),
 341   ]
 342   pre_args += '-DHAVE_ANDROID_PLATFORM'
 343 endif
 344
 345 prog_python2 = find_program('python2')
 346 has_mako = run_command(prog_python2, '-c', 'import mako')
 347 if has_mako.returncode() != 0
 348   error('Python (2.x) mako module required to build mesa.')
 349 endif
 350
 351 cc = meson.get_compiler('c')
 352 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 353   error('When using GCC, version 4.4.6 or later is required.')
 354 endif
 355
 356 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 357 if get_option('buildtype') == 'debug'
 358   pre_args += '-DDEBUG'
 359 endif
 360
 361 if get_option('shader-cache')
 362   pre_args += '-DENABLE_SHADER_CACHE'
 363 elif with_amd_vk
 364   error('Radv requires shader cache support')
 365 endif
 366
 367 # Check for GCC style builtins
 368 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 369              'ffsll', 'popcount', 'popcountll', 'unreachable']
 370   if cc.has_function(b)
 371     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 372   endif
 373 endforeach
 374
 375 # check for GCC __attribute__
 376 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 377              'warn_unused_result', 'weak',]
 378   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 379                  name : '__attribute__((@0@))'.format(a))
 380     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 381   endif
 382 endforeach
 383 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 384                name : '__attribute__((format(...)))')
 385   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 386 endif
 387 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 388                name : '__attribute__((packed))')
 389   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 390 endif
 391 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 392                name : '__attribute__((returns_nonnull))')
 393   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 394 endif
 395 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 396                   int foo_hid(void) __attribute__((visibility("hidden")));
 397                   int foo_int(void) __attribute__((visibility("internal")));
 398                   int foo_pro(void) __attribute__((visibility("protected")));''',
 399                name : '__attribute__((visibility(...)))')
 400   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 401 endif
 402 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 403                name : '__attribute__((alias(...)))')
 404   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 405 endif
 406
 407 # TODO: this is very incomplete
 408 if host_machine.system() == 'linux'
 409   pre_args += '-D_GNU_SOURCE'
 410 endif
 411
 412 # Check for generic C arguments
 413 c_args = []
 414 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 415              '-Werror=missing-prototypes', '-fno-math-errno',
 416              '-fno-trapping-math', '-Qunused-arguments']
 417   if cc.has_argument(a)
 418     c_args += a
 419   endif
 420 endforeach
 421 c_vis_args = []
 422 if cc.has_argument('-fvisibility=hidden')
 423   c_vis_args += '-fvisibility=hidden'
 424 endif
 425
 426 # Check for generic C++ arguments
 427 cpp = meson.get_compiler('cpp')
 428 cpp_args = []
 429 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 430              '-Qunused-arguments', '-Wno-non-virtual-dtor']
 431   if cpp.has_argument(a)
 432     cpp_args += a
 433   endif
 434 endforeach
 435 cpp_vis_args = []
 436 if cpp.has_argument('-fvisibility=hidden')
 437   cpp_vis_args += '-fvisibility=hidden'
 438 endif
 439
 440 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 441 # in parts of the mesa code base that need to compile with old versions of
 442 # MSVC, mainly common code
 443 c_msvc_compat_args = []
 444 cpp_msvc_compat_args = []
 445 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 446   if cc.has_argument(a)
 447     c_msvc_compat_args += a
 448   endif
 449   if cpp.has_argument(a)
 450     cpp_msvc_compat_args += a
 451   endif
 452 endforeach
 453
 454 no_override_init_args = []
 455 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 456   if cc.has_argument(a)
 457     no_override_init_args += a
 458   endif
 459 endforeach
 460
 461 # TODO: SSE41 (which is only required for core mesa)
 462
 463 # Check for GCC style atomics
 464 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 465                name : 'GCC atomic builtins')
 466   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 467 endif
 468 if not cc.links('''#include <stdint.h>
 469                    uint64_t v;
 470                    int main() {
 471                      return __sync_add_and_fetch(&v, (uint64_t)1);
 472                    }''',
 473                 name : 'GCC 64bit atomics')
 474   pre_args += '-DMISSING_64_BIT_ATOMICS'
 475 endif
 476
 477 # TODO: endian
 478 # TODO: powr8
 479 # TODO: shared/static? Is this even worth doing?
 480
 481 # I don't think that I need to set any of the debug stuff, I think meson
 482 # handles that for us
 483
 484 # TODO: ldflags
 485
 486 # TODO: texture-float (gallium/mesa only)
 487
 488 # TODO: cross-compiling. I don't think this is relavent to meson
 489
 490 # FIXME: enable asm when cross compiler
 491 # This is doable (autotools does it), but it's not of immediate concern
 492 if meson.is_cross_build()
 493   message('Cross compiling, disabling asm')
 494   with_asm = false
 495 endif
 496
 497 with_asm_arch = ''
 498 if with_asm
 499   # TODO: SPARC and PPC
 500   if host_machine.cpu_family() == 'x86'
 501     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 502       with_asm_arch = 'x86'
 503       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 504                    '-DUSE_SSE_ASM']
 505     endif
 506   elif host_machine.cpu_family() == 'x86_64'
 507     if host_machine.system() == 'linux'
 508       with_asm_arch = 'x86_64'
 509       pre_args += ['-DUSE_X86_64_ASM']
 510     endif
 511   elif host_machine.cpu_family() == 'arm'
 512     if host_machine.system() == 'linux'
 513       with_asm_arch = 'arm'
 514       pre_args += ['-DUSE_ARM_ASM']
 515     endif
 516   elif host_machine.cpu_family() == 'aarch64'
 517     if host_machine.system() == 'linux'
 518       with_asm_arch = 'aarch64'
 519       pre_args += ['-DUSE_AARCH64_ASM']
 520     endif
 521   endif
 522 endif
 523
 524 # Check for standard headers and functions
 525 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 526   pre_args += '-DMAJOR_IN_SYSMACROS'
 527 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 528   pre_args += '-DMAJOR_IN_MKDEV'
 529 endif
 530
 531 foreach h : ['xlocale.h', 'sys/sysctl.h']
 532   if cc.has_header(h)
 533     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 534   endif
 535 endforeach
 536
 537 foreach f : ['strtof', 'mkostemp', 'posix_memalign']
 538   if cc.has_function(f)
 539     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 540   endif
 541 endforeach
 542
 543 # strtod locale support
 544 if cc.links('''
 545     #define _GNU_SOURCE
 546     #include <stdlib.h>
 547     #include <locale.h>
 548     #ifdef HAVE_XLOCALE_H
 549     #include <xlocale.h>
 550     #endif
 551     int main() {
 552       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 553       const char *s = "1.0";
 554       char *end;
 555       double d = strtod_l(s, end, loc);
 556       float f = strtod_l(s, end, loc);
 557       freelocale(loc);
 558       return 0;
 559     }''',
 560     extra_args : pre_args,
 561     name : 'strtod has locale support')
 562   pre_args += '-DHAVE_STRTOD_L'
 563 endif
 564
 565 # Check for some linker flags
 566 ld_args_bsymbolic = []
 567 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 568   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 569 endif
 570 ld_args_gc_sections = []
 571 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 572             args : '-Wl,--gc-sections', name : 'gc-sections')
 573   ld_args_gc_sections += '-Wl,--gc-sections'
 574 endif
 575 with_ld_version_script = false
 576 if cc.links('int main() { return 0; }',
 577             args : '-Wl,--version-script=@0@'.format(
 578               join_paths(meson.source_root(), 'build-support/conftest.map')),
 579             name : 'version-script')
 580   with_ld_version_script = true
 581 endif
 582 with_ld_dynamic_list = false
 583 if cc.links('int main() { return 0; }',
 584             args : '-Wl,--dynamic-list=@0@'.format(
 585               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 586             name : 'dynamic-list')
 587   with_ld_dynamic_list = true
 588 endif
 589
 590 # check for dl support
 591 if cc.has_function('dlopen')
 592   dep_dl = []
 593 else
 594   dep_dl = cc.find_library('dl')
 595 endif
 596 if cc.has_function('dladdr', dependencies : dep_dl)
 597   # This is really only required for megadrivers
 598   pre_args += '-DHAVE_DLADDR'
 599 endif
 600
 601 if cc.has_function('dl_iterate_phdr')
 602   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 603 else
 604   # TODO: this is required for vulkan
 605 endif
 606
 607 # Determine whether or not the rt library is needed for time functions
 608 if cc.has_function('clock_gettime')
 609   dep_clock = []
 610 else
 611   dep_clock = cc.find_library('rt')
 612 endif
 613
 614 with_gallium_drisw_kms = false
 615 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 616                         required : with_dri2 or with_dri3)
 617 if dep_libdrm.found()
 618   pre_args += '-DHAVE_LIBDRM'
 619   if with_dri_platform == 'drm' and with_dri
 620     with_gallium_drisw_kms = true
 621   endif
 622 endif
 623
 624 # TODO: some of these may be conditional
 625 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 626 dep_thread = dependency('threads')
 627 if dep_thread.found() and host_machine.system() == 'linux'
 628   pre_args += '-DHAVE_PTHREAD'
 629 endif
 630 dep_elf = dependency('libelf', required : false)
 631 if not dep_elf.found() and (with_amd_vk or with_gallium_radeonsi) # TODO: clover, r600
 632   dep_elf = cc.find_library('elf')
 633 endif
 634 dep_expat = dependency('expat')
 635 # this only exists on linux so either this is linux and it will be found, or
 636 # its not linux and and wont
 637 dep_m = cc.find_library('m', required : false)
 638
 639 dep_libdrm_amdgpu = []
 640 dep_libdrm_radeon = []
 641 dep_libdrm_nouveau = []
 642 dep_libdrm_etnaviv = []
 643 dep_libdrm_freedreno = []
 644 if with_amd_vk or with_gallium_radeonsi
 645   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.88')
 646 endif
 647 if with_gallium_radeonsi or with_dri_r100 or with_dri_r200
 648   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 649 endif
 650 if with_gallium_nouveau or with_dri_nouveau
 651   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 652 endif
 653 if with_gallium_etnaviv
 654   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 655 endif
 656 if with_gallium_freedreno
 657   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.74')
 658 endif
 659
 660 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 661 if with_amd_vk
 662   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 663 endif
 664 dep_llvm = dependency(
 665   'llvm', version : '>= 3.9.0', required : with_amd_vk, modules : llvm_modules,
 666 )
 667 if with_llvm
 668   if dep_llvm.found()
 669     _llvm_version = dep_llvm.version().split('.')
 670     # Development versions of LLVM have an 'svn' suffix, we don't want that for
 671     # our version checks.
 672     _llvm_patch = _llvm_version[2]
 673     if _llvm_patch.endswith('svn')
 674       _llvm_patch = _llvm_patch.split('s')[0]
 675     endif
 676     pre_args += [
 677       '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
 678       '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
 679     ]
 680   else
 681     if with_gallium_softpipe
 682       error('Cannot find LLVM to build LLVMPipe. If you wanted softpipe pass -Dllvm=false to meson')
 683     elif with_amd_vk or with_gallium_radeonsi # etc
 684       error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM was not found.')
 685     endif
 686   endif
 687 elif with_amd_vk or with_gallium_radeonsi
 688   error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM is disabled.')
 689 endif
 690
 691 dep_glvnd = []
 692 if with_glvnd
 693   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
 694   pre_args += '-DUSE_LIBGLVND=1'
 695 endif
 696
 697 # TODO: make this conditional
 698 if with_valgrind != 'false'
 699   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
 700   if dep_valgrind.found()
 701     pre_args += '-DHAVE_VALGRIND'
 702   endif
 703 else
 704   dep_valgrind = []
 705 endif
 706
 707 # pthread stubs. Lets not and say we didn't
 708
 709 prog_bison = find_program('bison', required : with_any_opengl)
 710 prog_flex = find_program('flex', required : with_any_opengl)
 711
 712 dep_selinux = []
 713 if get_option('selinux')
 714   dep_selinux = dependency('libselinux')
 715   pre_args += '-DMESA_SELINUX'
 716 endif
 717
 718 # TODO: llvm-prefix and llvm-shared-libs
 719
 720 if with_libunwind != 'false'
 721   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
 722   if dep_unwind.found()
 723     pre_args += '-DHAVE_LIBUNWIND'
 724   endif
 725 else
 726   dep_unwind = []
 727 endif
 728
 729 # TODO: flags for opengl, gles, dri
 730
 731 # TODO: gallium-hud
 732
 733 # TODO: glx provider
 734
 735 if with_osmesa != 'none'
 736   if with_osmesa == 'classic' and not with_dri_swrast
 737     error('OSMesa classic requires dri (classic) swrast.')
 738   endif
 739   if with_osmesa == 'gallium' and not with_gallium_softpipe
 740     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
 741   endif
 742   osmesa_lib_name = 'OSMesa'
 743   osmesa_bits = get_option('osmesa-bits')
 744   if osmesa_bits != '8'
 745     if with_dri or with_glx != 'disabled'
 746       error('OSMesa bits must be 8 if building glx or dir based drivers')
 747     endif
 748     osmesa_lib_name = osmesa_lib_name + osmesa_bits
 749     pre_args += [
 750       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
 751     ]
 752   endif
 753 endif
 754
 755 # TODO: symbol mangling
 756
 757 if with_platform_wayland
 758   prog_wl_scanner = find_program('wayland-scanner')
 759   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
 760   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
 761   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
 762   wayland_dmabuf_xml = join_paths(
 763     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
 764     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
 765   )
 766   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
 767 else
 768   prog_wl_scanner = []
 769   dep_wl_protocols = []
 770   dep_wayland_client = []
 771   dep_wayland_server = []
 772   wayland_dmabuf_xml = ''
 773 endif
 774
 775 dep_x11 = []
 776 dep_xext = []
 777 dep_xdamage = []
 778 dep_xfixes = []
 779 dep_x11_xcb = []
 780 dep_xcb = []
 781 dep_xcb_glx = []
 782 dep_xcb_dri2 = []
 783 dep_xcb_dri3 = []
 784 dep_dri2proto = []
 785 dep_glproto = []
 786 dep_xxf86vm = []
 787 dep_xcb_dri3 = []
 788 dep_xcb_present = []
 789 dep_xcb_sync = []
 790 dep_xcb_xfixes = []
 791 dep_xshmfence = []
 792 if with_platform_x11
 793   if with_glx == 'dri' and with_dri_platform == 'drm'
 794     dep_x11 = dependency('x11')
 795     dep_xext = dependency('xext')
 796     dep_xdamage = dependency('xdamage', version : '>= 1.1')
 797     dep_xfixes = dependency('xfixes')
 798     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
 799     dep_xxf86vm = dependency('xxf86vm', required : false)
 800   endif
 801   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 802     dep_xcb = dependency('xcb')
 803     dep_x11_xcb = dependency('x11-xcb')
 804     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
 805
 806     if with_dri3
 807       pre_args += '-DHAVE_DRI3'
 808       dep_xcb_dri3 = dependency('xcb-dri3')
 809       dep_xcb_present = dependency('xcb-present')
 810       dep_xcb_sync = dependency('xcb-sync')
 811       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
 812     endif
 813   endif
 814   if with_glx != 'disabled'
 815     dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
 816     dep_glproto = dependency('glproto', version : '>= 1.4.14')
 817   endif
 818   if with_egl
 819     dep_xcb_xfixes = dependency('xcb-xfixes')
 820   endif
 821 endif
 822
 823 # TODO: osmesa
 824
 825 # TODO: vallium G3DVL
 826
 827 # TODO: nine
 828
 829 # TODO: clover
 830
 831 # TODO: gallium tests
 832
 833 # TODO: various libdirs
 834
 835 # TODO: swr
 836
 837 # TODO: gallium driver dirs
 838
 839 # FIXME: this is a workaround for #2326
 840 prog_touch = find_program('touch')
 841 dummy_cpp = custom_target(
 842   'dummy_cpp',
 843   output : 'dummy.cpp',
 844   command : [prog_touch, '@OUTPUT@'],
 845 )
 846
 847 foreach a : pre_args
 848   add_project_arguments(a, language : ['c', 'cpp'])
 849 endforeach
 850 foreach a : c_args
 851   add_project_arguments(a, language : ['c'])
 852 endforeach
 853 foreach a : cpp_args
 854   add_project_arguments(a, language : ['cpp'])
 855 endforeach
 856
 857 inc_include = include_directories('include')
 858
 859 gl_priv_reqs = [
 860   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
 861   'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
 862 ]
 863 if dep_xxf86vm != [] and dep_xxf86vm.found()
 864   gl_priv_reqs += 'xxf86vm'
 865 endif
 866 if with_dri_platform == 'drm'
 867   gl_priv_reqs += 'xcb-dri2 >= 1.8'
 868 endif
 869
 870 gl_priv_libs = []
 871 if dep_thread.found()
 872   gl_priv_libs += ['-lpthread', '-pthread']
 873 endif
 874 if dep_m.found()
 875   gl_priv_libs += '-lm'
 876 endif
 877 if dep_dl.found()
 878   gl_priv_libs += '-ldl'
 879 endif
 880
 881 pkg = import('pkgconfig')
 882
 883 subdir('include')
 884 subdir('bin')
 885 subdir('src')