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 : ['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 if get_option('texture-float')
  50   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  51   message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  52 endif
  53
  54 # XXX: yeah, do these
  55 with_appledri = false
  56 with_windowsdri = false
  57
  58 dri_drivers_path = get_option('dri-drivers-path')
  59 if dri_drivers_path == ''
  60   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  61 endif
  62
  63 with_gles1 = get_option('gles1')
  64 with_gles2 = get_option('gles2')
  65 with_opengl = get_option('opengl')
  66 with_any_opengl = with_opengl or with_gles1 or with_gles2
  67 # Only build shared_glapi if at least one OpenGL API is enabled
  68 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  69
  70 # TODO: these will need options, but at the moment they just control header
  71 # installs
  72 with_osmesa = false
  73
  74 # shared-glapi is required if at least two OpenGL APIs are being built
  75 if not with_shared_glapi
  76   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  77       or (with_gles2 and with_opengl))
  78     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  79   endif
  80 endif
  81
  82 # We require OpenGL for OpenGL ES
  83 if (with_gles1 or with_gles2) and not with_opengl
  84   error('building OpenGL ES without OpenGL is not supported.')
  85 endif
  86
  87 with_dri = false
  88 with_dri_i915 = false
  89 with_dri_i965 = false
  90 with_dri_r100 = false
  91 with_dri_r200 = false
  92 with_dri_nouveau = false
  93 with_dri_swrast = false
  94 _drivers = get_option('dri-drivers')
  95 if _drivers != ''
  96   _split = _drivers.split(',')
  97   with_dri_i915 = _split.contains('i915')
  98   with_dri_i965 = _split.contains('i965')
  99   with_dri_r100 = _split.contains('r100')
 100   with_dri_r200 = _split.contains('r200')
 101   with_dri_nouveau = _split.contains('nouveau')
 102   with_dri_swrast = _split.contains('swrast')
 103   with_dri = true
 104 endif
 105
 106 with_gallium = false
 107 with_gallium_pl111 = false
 108 with_gallium_radeonsi = false
 109 with_gallium_nouveau = false
 110 with_gallium_freedreno = false
 111 with_gallium_softpipe = false
 112 with_gallium_vc4 = false
 113 with_gallium_vc5 = false
 114 with_gallium_etnaviv = false
 115 with_gallium_imx = false
 116 _drivers = get_option('gallium-drivers')
 117 if _drivers != ''
 118   _split = _drivers.split(',')
 119   with_gallium_pl111 = _split.contains('pl111')
 120   with_gallium_radeonsi = _split.contains('radeonsi')
 121   with_gallium_nouveau = _split.contains('nouveau')
 122   with_gallium_freedreno = _split.contains('freedreno')
 123   with_gallium_softpipe = _split.contains('swrast')
 124   with_gallium_vc4 = _split.contains('vc4')
 125   with_gallium_vc5 = _split.contains('vc5')
 126   with_gallium_etnaviv = _split.contains('etnaviv')
 127   with_gallium_imx = _split.contains('imx')
 128   with_gallium = true
 129   with_dri = true
 130 endif
 131
 132 if not (with_dri or with_gallium)
 133   with_gles1 = false
 134   with_gles2 = false
 135   with_opengl = false
 136   with_any_opengl = false
 137   with_shared_glapi = false
 138 endif
 139
 140 if with_dri_swrast and with_gallium_softpipe
 141   error('Only one swrast provider can be built')
 142 endif
 143 if with_gallium_imx and not with_gallium_etnaviv
 144   error('IMX driver requires etnaviv driver')
 145 endif
 146
 147 dep_libdrm_intel = []
 148 if with_dri_i915
 149   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 150 endif
 151
 152 # TODO: other OSes
 153 with_dri_platform = 'drm'
 154
 155 # TODO: android platform
 156 with_platform_wayland = false
 157 with_platform_x11 = false
 158 with_platform_drm = false
 159 with_platform_surfaceless = false
 160 egl_native_platform = ''
 161 _platforms = get_option('platforms')
 162 if _platforms != ''
 163   _split = _platforms.split(',')
 164   with_platform_x11 = _split.contains('x11')
 165   with_platform_wayland = _split.contains('wayland')
 166   with_platform_drm = _split.contains('drm')
 167   with_platform_surfaceless = _split.contains('surfaceless')
 168   egl_native_platform = _split[0]
 169 endif
 170
 171 with_gbm = get_option('gbm')
 172 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 173   with_gbm = host_machine.system() == 'linux'
 174 elif with_gbm == 'yes'
 175   if not ['linux', 'bsd'].contains(host_machine.system())
 176     error('GBM only supports unix-like platforms')
 177   endif
 178   with_gbm = true
 179 else
 180   with_gbm = false
 181 endif
 182
 183 _egl = get_option('egl')
 184 if _egl == 'auto'
 185   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 186 elif _egl == 'yes'
 187   if not with_dri
 188     error('EGL requires dri')
 189   elif not with_shared_glapi
 190     error('EGL requires shared-glapi')
 191   elif egl_native_platform == ''
 192     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 193   endif
 194   with_egl = true
 195 else
 196   with_egl = false
 197 endif
 198
 199 # TODO: or virgl
 200 if with_egl and with_gallium_radeonsi and not (with_platform_drm or with_platform_surfaceless)
 201   error('RadeonSI requires drm or surfaceless platform when using EGL')
 202 endif
 203
 204 pre_args += '-DGLX_USE_TLS'
 205 with_glx = get_option('glx')
 206 if with_glx != 'disabled'
 207   if not (with_platform_x11 and with_any_opengl)
 208     if with_glx == 'auto'
 209       with_glx = 'disabled'
 210     else
 211       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 212     endif
 213   elif with_glx == 'gallium-xlib'
 214     if not with_gallium
 215       error('Gallium-xlib based GLX requires at least one gallium driver')
 216     elif with_dri
 217       error('gallium-xlib conflicts with any dri driver')
 218     endif
 219   elif with_glx == 'dri' and not with_dri
 220     error('dri based GLX requires at least one DRI driver')
 221   elif with_glx == 'auto'
 222     if with_dri
 223       with_glx = 'dri'
 224     elif with_gallium
 225       with_glx = 'gallium-xlib'
 226     elif with_platform_x11 and with_any_opengl
 227       with_glx = 'xlib'
 228     else
 229       with_glx = 'disabled'
 230     endif
 231   endif
 232 endif
 233
 234 with_glvnd = get_option('glvnd')
 235 if with_glvnd and with_glx != 'dri'
 236   message('glvnd requires dri based glx')
 237 endif
 238
 239 # TODO: toggle for this
 240 with_glx_direct = true
 241
 242 if with_vulkan_icd_dir == ''
 243   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 244 endif
 245
 246 with_intel_vk = false
 247 with_amd_vk = false
 248 with_any_vk = false
 249 _vulkan_drivers = get_option('vulkan-drivers')
 250 if _vulkan_drivers != ''
 251   _split = _vulkan_drivers.split(',')
 252   with_intel_vk = _split.contains('intel')
 253   with_amd_vk = _split.contains('amd')
 254   with_any_vk = with_amd_vk or with_intel_vk
 255   if not (with_platform_x11 or with_platform_wayland)
 256     error('Vulkan requires at least one platform (x11, wayland)')
 257   endif
 258 endif
 259
 260 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 261 with_dri3 = get_option('dri3')
 262 if with_dri3 == 'auto'
 263   if host_machine.system() == 'linux' and with_dri2
 264     with_dri3 = true
 265   else
 266     with_dri3 = false
 267  endif
 268 elif with_dri3 == 'yes'
 269   with_dri3 = true
 270 else
 271   with_dri3 = false
 272 endif
 273
 274 if with_any_vk and (with_platform_x11 and not with_dri3)
 275   error('Vulkan drivers require dri3 for X11 support')
 276 endif
 277 if with_dri or with_gallium
 278   if with_glx == 'disabled' and not with_egl
 279     error('building dri or gallium drivers require at least one window system')
 280   endif
 281 endif
 282
 283 with_gallium_xvmc = false
 284 with_gallium_vdpau = false
 285 with_gallium_omx = false  # this is bellagio
 286 with_gallium_va = false
 287 with_gallium_media = false
 288 dep_va = []
 289 _drivers = get_option('gallium-media')
 290 if _drivers != ''
 291   _split = _drivers.split(',')
 292   with_gallium_xvmc = _split.contains('xvmc')
 293   with_gallium_vdpau = _split.contains('vdpau')
 294   with_gallium_omx = _split.contains('omx')
 295   with_gallium_va = _split.contains('va')
 296   with_gallium_media = (with_gallium_xvmc or with_gallium_vdpau or
 297                         with_gallium_omx or with_gallium_va)
 298 endif
 299
 300 gl_pkgconfig_c_flags = []
 301 if with_platform_x11
 302   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 303     pre_args += '-DHAVE_X11_PLATFORM'
 304   endif
 305   if with_glx == 'xlib'
 306     # TODO
 307     error('TODO')
 308   elif with_glx == 'gallium-xlib'
 309     # TODO
 310     error('TODO')
 311   else
 312     pre_args += '-DGLX_INDIRECT_RENDERING'
 313     if with_glx_direct
 314       pre_args += '-DGLX_DIRECT_RENDERING'
 315     endif
 316     if with_dri_platform == 'drm'
 317       pre_args += '-DGLX_USE_DRM'
 318     endif
 319   endif
 320 else
 321   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 322   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 323 endif
 324 if with_platform_drm
 325   if with_egl and not with_gbm
 326     error('EGL drm platform requires gbm')
 327   endif
 328   pre_args += '-DHAVE_DRM_PLATFORM'
 329 endif
 330 if with_platform_surfaceless
 331   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 332 endif
 333
 334 prog_python2 = find_program('python2')
 335 has_mako = run_command(prog_python2, '-c', 'import mako')
 336 if has_mako.returncode() != 0
 337   error('Python (2.x) mako module required to build mesa.')
 338 endif
 339
 340 cc = meson.get_compiler('c')
 341 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 342   error('When using GCC, version 4.4.6 or later is required.')
 343 endif
 344
 345 # Define DEBUG for debug and debugoptimized builds
 346 if get_option('buildtype').startswith('debug')
 347   pre_args += '-DDEBUG'
 348 endif
 349
 350 if get_option('shader-cache')
 351   pre_args += '-DENABLE_SHADER_CACHE'
 352 elif with_amd_vk
 353   error('Radv requires shader cache support')
 354 endif
 355
 356 # Check for GCC style builtins
 357 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 358              'ffsll', 'popcount', 'popcountll', 'unreachable']
 359   if cc.has_function(b)
 360     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 361   endif
 362 endforeach
 363
 364 # check for GCC __attribute__
 365 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 366              'warn_unused_result', 'weak',]
 367   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 368                  name : '__attribute__((@0@))'.format(a))
 369     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 370   endif
 371 endforeach
 372 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 373                name : '__attribute__((format(...)))')
 374   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 375 endif
 376 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 377                name : '__attribute__((packed))')
 378   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 379 endif
 380 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 381                name : '__attribute__((returns_nonnull))')
 382   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 383 endif
 384 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 385                   int foo_hid(void) __attribute__((visibility("hidden")));
 386                   int foo_int(void) __attribute__((visibility("internal")));
 387                   int foo_pro(void) __attribute__((visibility("protected")));''',
 388                name : '__attribute__((visibility(...)))')
 389   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 390 endif
 391 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 392                name : '__attribute__((alias(...)))')
 393   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 394 endif
 395
 396 # TODO: this is very incomplete
 397 if host_machine.system() == 'linux'
 398   pre_args += '-D_GNU_SOURCE'
 399 endif
 400
 401 # Check for generic C arguments
 402 c_args = []
 403 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 404              '-Werror=missing-prototypes', '-fno-math-errno',
 405              '-fno-trapping-math', '-Qunused-arguments']
 406   if cc.has_argument(a)
 407     c_args += a
 408   endif
 409 endforeach
 410 c_vis_args = []
 411 if cc.has_argument('-fvisibility=hidden')
 412   c_vis_args += '-fvisibility=hidden'
 413 endif
 414
 415 # Check for generic C++ arguments
 416 cpp = meson.get_compiler('cpp')
 417 cpp_args = []
 418 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 419              '-Qunused-arguments', '-Wno-non-virtual-dtor']
 420   if cpp.has_argument(a)
 421     cpp_args += a
 422   endif
 423 endforeach
 424 cpp_vis_args = []
 425 if cpp.has_argument('-fvisibility=hidden')
 426   cpp_vis_args += '-fvisibility=hidden'
 427 endif
 428
 429 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 430 # in parts of the mesa code base that need to compile with old versions of
 431 # MSVC, mainly common code
 432 c_msvc_compat_args = []
 433 cpp_msvc_compat_args = []
 434 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 435   if cc.has_argument(a)
 436     c_msvc_compat_args += a
 437   endif
 438   if cpp.has_argument(a)
 439     cpp_msvc_compat_args += a
 440   endif
 441 endforeach
 442
 443 no_override_init_args = []
 444 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 445   if cc.has_argument(a)
 446     no_override_init_args += a
 447   endif
 448 endforeach
 449
 450 # TODO: SSE41 (which is only required for core mesa)
 451
 452 # Check for GCC style atomics
 453 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 454                name : 'GCC atomic builtins')
 455   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 456 endif
 457 if not cc.links('''#include <stdint.h>
 458                    uint64_t v;
 459                    int main() {
 460                      return __sync_add_and_fetch(&v, (uint64_t)1);
 461                    }''',
 462                 name : 'GCC 64bit atomics')
 463   pre_args += '-DMISSING_64_BIT_ATOMICS'
 464 endif
 465
 466 # TODO: endian
 467 # TODO: powr8
 468 # TODO: shared/static? Is this even worth doing?
 469
 470 # I don't think that I need to set any of the debug stuff, I think meson
 471 # handles that for us
 472
 473 # TODO: ldflags
 474
 475 # TODO: texture-float (gallium/mesa only)
 476
 477 # TODO: cross-compiling. I don't think this is relavent to meson
 478
 479 # FIXME: enable asm when cross compiler
 480 # This is doable (autotools does it), but it's not of immediate concern
 481 if meson.is_cross_build()
 482   message('Cross compiling, disabling asm')
 483   with_asm = false
 484 endif
 485
 486 with_asm_arch = ''
 487 if with_asm
 488   # TODO: SPARC and PPC
 489   if host_machine.cpu_family() == 'x86'
 490     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 491       with_asm_arch = 'x86'
 492       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 493                    '-DUSE_SSE_ASM']
 494     endif
 495   elif host_machine.cpu_family() == 'x86_64'
 496     if host_machine.system() == 'linux'
 497       with_asm_arch = 'x86_64'
 498       pre_args += ['-DUSE_X86_64_ASM']
 499     endif
 500   elif host_machine.cpu_family() == 'arm'
 501     if host_machine.system() == 'linux'
 502       with_asm_arch = 'arm'
 503       pre_args += ['-DUSE_ARM_ASM']
 504     endif
 505   elif host_machine.cpu_family() == 'aarch64'
 506     if host_machine.system() == 'linux'
 507       with_asm_arch = 'aarch64'
 508       pre_args += ['-DUSE_AARCH64_ASM']
 509     endif
 510   endif
 511 endif
 512
 513 # Check for standard headers and functions
 514 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 515   pre_args += '-DMAJOR_IN_SYSMACROS'
 516 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 517   pre_args += '-DMAJOR_IN_MKDEV'
 518 endif
 519
 520 foreach h : ['xlocale.h', 'sys/sysctl.h']
 521   if cc.has_header(h)
 522     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 523   endif
 524 endforeach
 525
 526 foreach f : ['strtof', 'mkostemp', 'posix_memalign']
 527   if cc.has_function(f)
 528     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 529   endif
 530 endforeach
 531
 532 # strtod locale support
 533 if cc.links('''
 534     #define _GNU_SOURCE
 535     #include <stdlib.h>
 536     #include <locale.h>
 537     #ifdef HAVE_XLOCALE_H
 538     #include <xlocale.h>
 539     #endif
 540     int main() {
 541       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 542       const char *s = "1.0";
 543       char *end;
 544       double d = strtod_l(s, end, loc);
 545       float f = strtod_l(s, end, loc);
 546       freelocale(loc);
 547       return 0;
 548     }''',
 549     extra_args : pre_args,
 550     name : 'strtod has locale support')
 551   pre_args += '-DHAVE_STRTOD_L'
 552 endif
 553
 554 # Check for some linker flags
 555 ld_args_bsymbolic = []
 556 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 557   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 558 endif
 559 ld_args_gc_sections = []
 560 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 561             args : '-Wl,--gc-sections', name : 'gc-sections')
 562   ld_args_gc_sections += '-Wl,--gc-sections'
 563 endif
 564 with_ld_version_script = false
 565 if cc.links('int main() { return 0; }',
 566             args : '-Wl,--version-script=@0@'.format(
 567               join_paths(meson.source_root(), 'build-support/conftest.map')),
 568             name : 'version-script')
 569   with_ld_version_script = true
 570 endif
 571 with_ld_dynamic_list = false
 572 if cc.links('int main() { return 0; }',
 573             args : '-Wl,--dynamic-list=@0@'.format(
 574               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 575             name : 'dynamic-list')
 576   with_ld_dynamic_list = true
 577 endif
 578
 579 # check for dl support
 580 if cc.has_function('dlopen')
 581   dep_dl = []
 582 else
 583   dep_dl = cc.find_library('dl')
 584 endif
 585 if cc.has_function('dladdr', dependencies : dep_dl)
 586   # This is really only required for megadrivers
 587   pre_args += '-DHAVE_DLADDR'
 588 endif
 589
 590 if cc.has_function('dl_iterate_phdr')
 591   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 592 else
 593   # TODO: this is required for vulkan
 594 endif
 595
 596 # Determine whether or not the rt library is needed for time functions
 597 if cc.has_function('clock_gettime')
 598   dep_clock = []
 599 else
 600   dep_clock = cc.find_library('rt')
 601 endif
 602
 603 with_gallium_drisw_kms = false
 604 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 605                         required : with_dri2 or with_dri3)
 606 if dep_libdrm.found()
 607   pre_args += '-DHAVE_LIBDRM'
 608   if with_dri_platform == 'drm' and with_dri
 609     with_gallium_drisw_kms = true
 610   endif
 611 endif
 612
 613 # TODO: some of these may be conditional
 614 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 615 dep_thread = dependency('threads')
 616 if dep_thread.found() and host_machine.system() == 'linux'
 617   pre_args += '-DHAVE_PTHREAD'
 618 endif
 619 dep_elf = dependency('libelf', required : false)
 620 if not dep_elf.found() and (with_amd_vk or with_gallium_radeonsi) # TODO: clover, r600
 621   dep_elf = cc.find_library('elf')
 622 endif
 623 dep_expat = dependency('expat')
 624 # this only exists on linux so either this is linux and it will be found, or
 625 # its not linux and and wont
 626 dep_m = cc.find_library('m', required : false)
 627
 628 dep_libdrm_amdgpu = []
 629 dep_libdrm_radeon = []
 630 dep_libdrm_nouveau = []
 631 dep_libdrm_etnaviv = []
 632 dep_libdrm_freedreno = []
 633 if with_amd_vk or with_gallium_radeonsi
 634   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.85')
 635 endif
 636 if with_gallium_radeonsi or with_dri_r100 or with_dri_r200
 637   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 638 endif
 639 if with_gallium_nouveau or with_dri_nouveau
 640   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 641 endif
 642 if with_gallium_etnaviv
 643   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 644 endif
 645 if with_gallium_freedreno
 646   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.74')
 647 endif
 648
 649 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 650 if with_amd_vk
 651   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 652 endif
 653 dep_llvm = dependency(
 654   'llvm', version : '>= 3.9.0', required : with_amd_vk, modules : llvm_modules,
 655 )
 656 if with_llvm
 657   if dep_llvm.found()
 658     _llvm_version = dep_llvm.version().split('.')
 659     # Development versions of LLVM have an 'svn' suffix, we don't want that for
 660     # our version checks.
 661     _llvm_patch = _llvm_version[2]
 662     if _llvm_patch.endswith('svn')
 663       _llvm_patch = _llvm_patch.split('s')[0]
 664     endif
 665     pre_args += [
 666       '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
 667       '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
 668     ]
 669   else
 670     if with_gallium_softpipe
 671       error('Cannot find LLVM to build LLVMPipe. If you wanted softpipe pass -Dllvm=false to meson')
 672     elif with_amd_vk or with_gallium_radeonsi # etc
 673       error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM was not found.')
 674     endif
 675   endif
 676 elif with_amd_vk or with_gallium_radeonsi
 677   error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM is disabled.')
 678 endif
 679
 680 dep_glvnd = []
 681 if with_glvnd
 682   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
 683   pre_args += '-DUSE_LIBGLVND=1'
 684 endif
 685
 686 # TODO: make this conditional
 687 dep_valgrind = dependency('valgrind', required : false)
 688 if dep_valgrind.found() and with_valgrind
 689   pre_args += '-DHAVE_VALGRIND'
 690 endif
 691
 692 # pthread stubs. Lets not and say we didn't
 693
 694 prog_bison = find_program('bison', required : with_any_opengl)
 695 prog_flex = find_program('flex', required : with_any_opengl)
 696
 697 dep_selinux = []
 698 if get_option('selinux')
 699   dep_selinux = dependency('libselinux')
 700   pre_args += '-DMESA_SELINUX'
 701 endif
 702
 703 # TODO: llvm-prefix and llvm-shared-libs
 704
 705 dep_unwind = dependency('libunwind', required : false)
 706 if dep_unwind.found() and with_libunwind
 707   pre_args += '-DHAVE_LIBUNWIND'
 708 endif
 709
 710 # TODO: flags for opengl, gles, dri
 711
 712 # TODO: gallium-hud
 713
 714 # TODO: glx provider
 715
 716 # TODO: osmesa provider
 717
 718 # TODO: symbol mangling
 719
 720 if with_platform_wayland
 721   prog_wl_scanner = find_program('wayland-scanner')
 722   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
 723   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
 724   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
 725   wayland_dmabuf_xml = join_paths(
 726     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
 727     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
 728   )
 729   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
 730 else
 731   prog_wl_scanner = []
 732   dep_wl_protocols = []
 733   dep_wayland_client = []
 734   dep_wayland_server = []
 735   wayland_dmabuf_xml = ''
 736 endif
 737
 738 dep_x11 = []
 739 dep_xext = []
 740 dep_xdamage = []
 741 dep_xfixes = []
 742 dep_x11_xcb = []
 743 dep_xcb_glx = []
 744 dep_xcb_dri2 = []
 745 dep_xcb_dri3 = []
 746 dep_dri2proto = []
 747 dep_glproto = []
 748 dep_xf86vm = []
 749 dep_xcb_dri3 = []
 750 dep_xcb_present = []
 751 dep_xcb_sync = []
 752 dep_xcb_xfixes = []
 753 dep_xshmfence = []
 754 if with_platform_x11
 755   if with_glx == 'dri' and with_dri_platform == 'drm'
 756     dep_x11 = dependency('x11')
 757     dep_xext = dependency('xext')
 758     dep_xdamage = dependency('xdamage', version : '>= 1.1')
 759     dep_xfixes = dependency('xfixes')
 760     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
 761     dep_xf86vm = dependency('xxf86vm', required : false)
 762   endif
 763   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 764     dep_xcb = dependency('xcb')
 765     dep_x11_xcb = dependency('x11-xcb')
 766     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
 767
 768     if with_dri3
 769       pre_args += '-DHAVE_DRI3'
 770       dep_xcb_dri3 = dependency('xcb-dri3')
 771       dep_xcb_present = dependency('xcb-present')
 772       dep_xcb_sync = dependency('xcb-sync')
 773       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
 774     endif
 775   endif
 776   if with_glx != 'disabled'
 777     dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
 778     dep_glproto = dependency('glproto', version : '>= 1.4.14')
 779   endif
 780   if with_egl
 781     dep_xcb_xfixes = dependency('xcb-xfixes')
 782   endif
 783 endif
 784
 785 # TODO: osmesa
 786
 787 # TODO: vallium G3DVL
 788
 789 # TODO: nine
 790
 791 # TODO: clover
 792
 793 # TODO: gallium tests
 794
 795 # TODO: various libdirs
 796
 797 # TODO: swr
 798
 799 # TODO: gallium driver dirs
 800
 801 # FIXME: this is a workaround for #2326
 802 prog_touch = find_program('touch')
 803 dummy_cpp = custom_target(
 804   'dummy_cpp',
 805   output : 'dummy.cpp',
 806   command : [prog_touch, '@OUTPUT@'],
 807 )
 808
 809 foreach a : pre_args
 810   add_project_arguments(a, language : ['c', 'cpp'])
 811 endforeach
 812 foreach a : c_args
 813   add_project_arguments(a, language : ['c'])
 814 endforeach
 815 foreach a : cpp_args
 816   add_project_arguments(a, language : ['cpp'])
 817 endforeach
 818
 819 inc_include = include_directories('include')
 820
 821 gl_priv_reqs = [
 822   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
 823   'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
 824 ]
 825 if dep_xf86vm != [] and dep_xf86vm.found()
 826   gl_priv_reqs += 'xxf86vm'
 827 endif
 828 if with_dri_platform == 'drm'
 829   gl_priv_reqs += 'xcb-dri2 >= 1.8'
 830 endif
 831
 832 gl_priv_libs = []
 833 if dep_thread.found()
 834   gl_priv_libs += ['-lpthread', '-pthread']
 835 endif
 836 if dep_m.found()
 837   gl_priv_libs += '-lm'
 838 endif
 839 if dep_dl.found()
 840   gl_priv_libs += '-ldl'
 841 endif
 842
 843 pkg = import('pkgconfig')
 844
 845 subdir('include')
 846 subdir('bin')
 847 subdir('src')