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 : run_command(
  25     [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
  26   ).stdout(),
  27   license : 'MIT',
  28   meson_version : '>= 0.42',
  29   default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
  30 )
  31
  32 # Arguments for the preprocessor, put these in a separate array from the C and
  33 # C++ (cpp in meson terminology) arguments since they need to be added to the
  34 # default arguments for both C and C++.
  35 pre_args = [
  36   '-D__STDC_CONSTANT_MACROS',
  37   '-D__STDC_FORMAT_MACROS',
  38   '-D__STDC_LIMIT_MACROS',
  39   '-DVERSION="@0@"'.format(meson.project_version()),
  40   '-DPACKAGE_VERSION=VERSION',
  41   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  42 ]
  43
  44 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  45 with_tests = get_option('build-tests')
  46 with_valgrind = get_option('valgrind')
  47 with_libunwind = get_option('libunwind')
  48 with_asm = get_option('asm')
  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 == 'auto'
  94   # TODO: PPC, Sparc
  95   if not ['darwin', 'windows'].contains(host_machine.system())
  96     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  97       _drivers = 'i915,i965,r100,r200,nouveau'
  98     else
  99       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 100     endif
 101   else
 102     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 103   endif
 104 endif
 105 if _drivers != ''
 106   _split = _drivers.split(',')
 107   with_dri_i915 = _split.contains('i915')
 108   with_dri_i965 = _split.contains('i965')
 109   with_dri_r100 = _split.contains('r100')
 110   with_dri_r200 = _split.contains('r200')
 111   with_dri_nouveau = _split.contains('nouveau')
 112   with_dri_swrast = _split.contains('swrast')
 113   with_dri = true
 114 endif
 115
 116 with_gallium = false
 117 with_gallium_pl111 = false
 118 with_gallium_radeonsi = false
 119 with_gallium_nouveau = false
 120 with_gallium_freedreno = false
 121 with_gallium_softpipe = false
 122 with_gallium_vc4 = false
 123 with_gallium_vc5 = false
 124 with_gallium_etnaviv = false
 125 with_gallium_imx = false
 126 _drivers = get_option('gallium-drivers')
 127 if _drivers == 'auto'
 128   if not ['darwin', 'windows'].contains(host_machine.system())
 129     # TODO: PPC, Sparc
 130     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 131       _drivers = 'radeonsi,nouveau,swrast'
 132     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 133       _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,swrast'
 134     else
 135       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 136     endif
 137   else
 138     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 139   endif
 140 endif
 141 if _drivers != ''
 142   _split = _drivers.split(',')
 143   with_gallium_pl111 = _split.contains('pl111')
 144   with_gallium_radeonsi = _split.contains('radeonsi')
 145   with_gallium_nouveau = _split.contains('nouveau')
 146   with_gallium_freedreno = _split.contains('freedreno')
 147   with_gallium_softpipe = _split.contains('swrast')
 148   with_gallium_vc4 = _split.contains('vc4')
 149   with_gallium_vc5 = _split.contains('vc5')
 150   with_gallium_etnaviv = _split.contains('etnaviv')
 151   with_gallium_imx = _split.contains('imx')
 152   with_gallium = true
 153 endif
 154
 155 with_intel_vk = false
 156 with_amd_vk = false
 157 with_any_vk = false
 158 _vulkan_drivers = get_option('vulkan-drivers')
 159 if _vulkan_drivers == 'auto'
 160   if not ['darwin', 'windows'].contains(host_machine.system())
 161     if host_machine.cpu_family().startswith('x86')
 162       _vulkan_drivers = 'amd,intel'
 163     else
 164       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 165     endif
 166   else
 167     # No vulkan driver supports windows or macOS currently
 168     _vulkan_drivers = ''
 169   endif
 170 endif
 171 if _vulkan_drivers != ''
 172   _split = _vulkan_drivers.split(',')
 173   with_intel_vk = _split.contains('intel')
 174   with_amd_vk = _split.contains('amd')
 175   with_any_vk = with_amd_vk or with_intel_vk
 176 endif
 177
 178 if with_dri_swrast and with_gallium_softpipe
 179   error('Only one swrast provider can be built')
 180 endif
 181 if with_gallium_imx and not with_gallium_etnaviv
 182   error('IMX driver requires etnaviv driver')
 183 endif
 184
 185 dep_libdrm_intel = []
 186 if with_dri_i915
 187   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 188 endif
 189
 190 # TODO: other OSes
 191 with_dri_platform = 'drm'
 192
 193 with_platform_android = false
 194 with_platform_wayland = false
 195 with_platform_x11 = false
 196 with_platform_drm = false
 197 with_platform_surfaceless = false
 198 egl_native_platform = ''
 199 _platforms = get_option('platforms')
 200 if _platforms == 'auto'
 201   if ['linux'].contains(host_machine.system())
 202     _platforms = 'x11,wayland,drm,surfaceless'
 203   else
 204     error('Unknown OS, no platforms enabled. Patches gladly accepted to fix this.')
 205   endif
 206 endif
 207 if _platforms != ''
 208   _split = _platforms.split(',')
 209   with_platform_android = _split.contains('android')
 210   with_platform_x11 = _split.contains('x11')
 211   with_platform_wayland = _split.contains('wayland')
 212   with_platform_drm = _split.contains('drm')
 213   with_platform_surfaceless = _split.contains('surfaceless')
 214   egl_native_platform = _split[0]
 215 endif
 216
 217 with_glx = get_option('glx')
 218 if with_glx == 'auto'
 219   if with_dri
 220     with_glx = 'dri'
 221   elif with_gallium
 222     # Even when building just gallium drivers the user probably wants dri
 223     with_glx = 'dri'
 224     with_dri = true
 225   elif with_platform_x11 and with_any_opengl and not with_any_vk
 226     # The automatic behavior should not be to turn on xlib based glx when
 227     # building only vulkan drivers
 228     with_glx = 'xlib'
 229   else
 230     with_glx = 'disabled'
 231   endif
 232 endif
 233
 234 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 235   with_gles1 = false
 236   with_gles2 = false
 237   with_opengl = false
 238   with_any_opengl = false
 239   with_shared_glapi = false
 240 endif
 241
 242 with_gbm = get_option('gbm')
 243 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 244   with_gbm = host_machine.system() == 'linux'
 245 elif with_gbm == 'true'
 246   if not ['linux', 'bsd'].contains(host_machine.system())
 247     error('GBM only supports unix-like platforms')
 248   endif
 249   with_gbm = true
 250 else
 251   with_gbm = false
 252 endif
 253
 254 _egl = get_option('egl')
 255 if _egl == 'auto'
 256   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 257 elif _egl == 'true'
 258   if not with_dri
 259     error('EGL requires dri')
 260   elif not with_shared_glapi
 261     error('EGL requires shared-glapi')
 262   elif egl_native_platform == ''
 263     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 264   endif
 265   with_egl = true
 266 else
 267   with_egl = false
 268 endif
 269
 270 # TODO: or virgl
 271 if with_egl and with_gallium_radeonsi and not (with_platform_drm or with_platform_surfaceless)
 272   error('RadeonSI requires drm or surfaceless platform when using EGL')
 273 endif
 274
 275 pre_args += '-DGLX_USE_TLS'
 276 if with_glx != 'disabled'
 277   if not (with_platform_x11 and with_any_opengl)
 278     if with_glx == 'auto'
 279       with_glx = 'disabled'
 280     else
 281       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 282     endif
 283   elif with_glx == 'gallium-xlib'
 284     if not with_gallium
 285       error('Gallium-xlib based GLX requires at least one gallium driver')
 286     elif not with_gallium_softpipe
 287       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 288     elif with_dri
 289       error('gallium-xlib conflicts with any dri driver')
 290     endif
 291   elif with_glx == 'xlib'
 292     if with_dri
 293       error('xlib conflicts with any dri driver')
 294     endif
 295   elif with_glx == 'dri' and not with_dri
 296     error('dri based GLX requires at least one DRI driver')
 297   endif
 298 endif
 299
 300 with_glvnd = get_option('glvnd')
 301 if with_glvnd
 302   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 303     error('Cannot build glvnd support for GLX that is not DRI based.')
 304   elif with_glx == 'disabled' and not with_egl
 305     error('glvnd requires DRI based GLX and/or EGL')
 306   endif
 307 endif
 308
 309 # TODO: toggle for this
 310 with_glx_direct = true
 311
 312 if with_vulkan_icd_dir == ''
 313   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 314 endif
 315
 316 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 317 with_dri3 = get_option('dri3')
 318 if with_dri3 == 'auto'
 319   if host_machine.system() == 'linux' and with_dri2
 320     with_dri3 = true
 321   else
 322     with_dri3 = false
 323  endif
 324 elif with_dri3 == 'true'
 325   with_dri3 = true
 326 else
 327   with_dri3 = false
 328 endif
 329
 330 if with_any_vk and (with_platform_x11 and not with_dri3)
 331   error('Vulkan drivers require dri3 for X11 support')
 332 endif
 333 if with_dri or with_gallium
 334   if with_glx == 'disabled' and not with_egl
 335     error('building dri or gallium drivers require at least one window system')
 336   endif
 337 endif
 338
 339 with_gallium_xvmc = false
 340 with_gallium_vdpau = false
 341 with_gallium_omx = false  # this is bellagio
 342 with_gallium_va = false
 343 with_gallium_media = false
 344 dep_va = []
 345 _drivers = get_option('gallium-media')
 346 if _drivers != ''
 347   _split = _drivers.split(',')
 348   with_gallium_xvmc = _split.contains('xvmc')
 349   with_gallium_vdpau = _split.contains('vdpau')
 350   with_gallium_omx = _split.contains('omx')
 351   with_gallium_va = _split.contains('va')
 352   with_gallium_media = (with_gallium_xvmc or with_gallium_vdpau or
 353                         with_gallium_omx or with_gallium_va)
 354 endif
 355
 356 gl_pkgconfig_c_flags = []
 357 if with_platform_x11
 358   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 359     pre_args += '-DHAVE_X11_PLATFORM'
 360   endif
 361   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 362     pre_args += '-DUSE_XSHM'
 363   else
 364     pre_args += '-DGLX_INDIRECT_RENDERING'
 365     if with_glx_direct
 366       pre_args += '-DGLX_DIRECT_RENDERING'
 367     endif
 368     if with_dri_platform == 'drm'
 369       pre_args += '-DGLX_USE_DRM'
 370     endif
 371   endif
 372 else
 373   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 374   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 375 endif
 376 if with_platform_drm
 377   if with_egl and not with_gbm
 378     error('EGL drm platform requires gbm')
 379   endif
 380   pre_args += '-DHAVE_DRM_PLATFORM'
 381 endif
 382 if with_platform_surfaceless
 383   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 384 endif
 385 if with_platform_android
 386   dep_android = [
 387     dependency('cutils'),
 388     dependency('hardware'),
 389     dependency('sync'),
 390   ]
 391   pre_args += '-DHAVE_ANDROID_PLATFORM'
 392 endif
 393
 394 prog_python2 = find_program('python2')
 395 has_mako = run_command(prog_python2, '-c', 'import mako')
 396 if has_mako.returncode() != 0
 397   error('Python (2.x) mako module required to build mesa.')
 398 endif
 399
 400 cc = meson.get_compiler('c')
 401 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 402   error('When using GCC, version 4.4.6 or later is required.')
 403 endif
 404
 405 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 406 if get_option('buildtype') == 'debug'
 407   pre_args += '-DDEBUG'
 408 endif
 409
 410 if get_option('shader-cache')
 411   pre_args += '-DENABLE_SHADER_CACHE'
 412 elif with_amd_vk
 413   error('Radv requires shader cache support')
 414 endif
 415
 416 # Check for GCC style builtins
 417 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 418              'ffsll', 'popcount', 'popcountll', 'unreachable']
 419   if cc.has_function(b)
 420     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 421   endif
 422 endforeach
 423
 424 # check for GCC __attribute__
 425 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 426              'warn_unused_result', 'weak',]
 427   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 428                  name : '__attribute__((@0@))'.format(a))
 429     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 430   endif
 431 endforeach
 432 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 433                name : '__attribute__((format(...)))')
 434   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 435 endif
 436 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 437                name : '__attribute__((packed))')
 438   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 439 endif
 440 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 441                name : '__attribute__((returns_nonnull))')
 442   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 443 endif
 444 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 445                   int foo_hid(void) __attribute__((visibility("hidden")));
 446                   int foo_int(void) __attribute__((visibility("internal")));
 447                   int foo_pro(void) __attribute__((visibility("protected")));''',
 448                name : '__attribute__((visibility(...)))')
 449   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 450 endif
 451 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 452                name : '__attribute__((alias(...)))')
 453   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 454 endif
 455
 456 # TODO: this is very incomplete
 457 if host_machine.system() == 'linux'
 458   pre_args += '-D_GNU_SOURCE'
 459 endif
 460
 461 # Check for generic C arguments
 462 c_args = []
 463 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 464              '-Werror=missing-prototypes', '-fno-math-errno',
 465              '-fno-trapping-math', '-Qunused-arguments']
 466   if cc.has_argument(a)
 467     c_args += a
 468   endif
 469 endforeach
 470 c_vis_args = []
 471 if cc.has_argument('-fvisibility=hidden')
 472   c_vis_args += '-fvisibility=hidden'
 473 endif
 474
 475 # Check for generic C++ arguments
 476 cpp = meson.get_compiler('cpp')
 477 cpp_args = []
 478 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 479              '-Qunused-arguments', '-Wno-non-virtual-dtor']
 480   if cpp.has_argument(a)
 481     cpp_args += a
 482   endif
 483 endforeach
 484 cpp_vis_args = []
 485 if cpp.has_argument('-fvisibility=hidden')
 486   cpp_vis_args += '-fvisibility=hidden'
 487 endif
 488
 489 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 490 # in parts of the mesa code base that need to compile with old versions of
 491 # MSVC, mainly common code
 492 c_msvc_compat_args = []
 493 cpp_msvc_compat_args = []
 494 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 495   if cc.has_argument(a)
 496     c_msvc_compat_args += a
 497   endif
 498   if cpp.has_argument(a)
 499     cpp_msvc_compat_args += a
 500   endif
 501 endforeach
 502
 503 no_override_init_args = []
 504 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 505   if cc.has_argument(a)
 506     no_override_init_args += a
 507   endif
 508 endforeach
 509
 510 if host_machine.cpu_family().startswith('x86')
 511   pre_args += '-DHAVE_SSE41'
 512   with_sse41 = true
 513   sse41_args = ['-msse4.1']
 514
 515   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
 516   # that's not guaranteed
 517   if host_machine.cpu_family() == 'x86'
 518     sse41_args += '-mstackrealign'
 519   endif
 520 else
 521   with_sse41 = false
 522   sse41_args = []
 523 endif
 524
 525 # Check for GCC style atomics
 526 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 527                name : 'GCC atomic builtins')
 528   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 529 endif
 530 if not cc.links('''#include <stdint.h>
 531                    uint64_t v;
 532                    int main() {
 533                      return __sync_add_and_fetch(&v, (uint64_t)1);
 534                    }''',
 535                 name : 'GCC 64bit atomics')
 536   pre_args += '-DMISSING_64_BIT_ATOMICS'
 537 endif
 538
 539 # TODO: endian
 540 # TODO: powr8
 541 # TODO: shared/static? Is this even worth doing?
 542
 543 # Building x86 assembly code requires running x86 binaries. It is possible for
 544 # x86_64 OSes to run x86 binaries, so don't disable asm in those cases
 545 # TODO: it should be possible to use an exe_wrapper to run the binary during
 546 # the build.
 547 if meson.is_cross_build()
 548   if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
 549           and build_machine.system() == host_machine.system())
 550     message('Cross compiling to x86 from non-x86, disabling asm')
 551     with_asm = false
 552   endif
 553 endif
 554
 555 with_asm_arch = ''
 556 if with_asm
 557   # TODO: SPARC and PPC
 558   if host_machine.cpu_family() == 'x86'
 559     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 560       with_asm_arch = 'x86'
 561       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 562                    '-DUSE_SSE_ASM']
 563     endif
 564   elif host_machine.cpu_family() == 'x86_64'
 565     if host_machine.system() == 'linux'
 566       with_asm_arch = 'x86_64'
 567       pre_args += ['-DUSE_X86_64_ASM']
 568     endif
 569   elif host_machine.cpu_family() == 'arm'
 570     if host_machine.system() == 'linux'
 571       with_asm_arch = 'arm'
 572       pre_args += ['-DUSE_ARM_ASM']
 573     endif
 574   elif host_machine.cpu_family() == 'aarch64'
 575     if host_machine.system() == 'linux'
 576       with_asm_arch = 'aarch64'
 577       pre_args += ['-DUSE_AARCH64_ASM']
 578     endif
 579   endif
 580 endif
 581
 582 # Check for standard headers and functions
 583 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 584   pre_args += '-DMAJOR_IN_SYSMACROS'
 585 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 586   pre_args += '-DMAJOR_IN_MKDEV'
 587 endif
 588
 589 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 590   if cc.has_header(h)
 591     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 592   endif
 593 endforeach
 594
 595 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get']
 596   if cc.has_function(f)
 597     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 598   endif
 599 endforeach
 600
 601 # strtod locale support
 602 if cc.links('''
 603     #define _GNU_SOURCE
 604     #include <stdlib.h>
 605     #include <locale.h>
 606     #ifdef HAVE_XLOCALE_H
 607     #include <xlocale.h>
 608     #endif
 609     int main() {
 610       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 611       const char *s = "1.0";
 612       char *end;
 613       double d = strtod_l(s, end, loc);
 614       float f = strtod_l(s, end, loc);
 615       freelocale(loc);
 616       return 0;
 617     }''',
 618     extra_args : pre_args,
 619     name : 'strtod has locale support')
 620   pre_args += '-DHAVE_STRTOD_L'
 621 endif
 622
 623 # Check for some linker flags
 624 ld_args_bsymbolic = []
 625 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 626   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 627 endif
 628 ld_args_gc_sections = []
 629 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 630             args : '-Wl,--gc-sections', name : 'gc-sections')
 631   ld_args_gc_sections += '-Wl,--gc-sections'
 632 endif
 633 with_ld_version_script = false
 634 if cc.links('int main() { return 0; }',
 635             args : '-Wl,--version-script=@0@'.format(
 636               join_paths(meson.source_root(), 'build-support/conftest.map')),
 637             name : 'version-script')
 638   with_ld_version_script = true
 639 endif
 640 with_ld_dynamic_list = false
 641 if cc.links('int main() { return 0; }',
 642             args : '-Wl,--dynamic-list=@0@'.format(
 643               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 644             name : 'dynamic-list')
 645   with_ld_dynamic_list = true
 646 endif
 647
 648 # check for dl support
 649 if cc.has_function('dlopen')
 650   dep_dl = []
 651 else
 652   dep_dl = cc.find_library('dl')
 653 endif
 654 if cc.has_function('dladdr', dependencies : dep_dl)
 655   # This is really only required for megadrivers
 656   pre_args += '-DHAVE_DLADDR'
 657 endif
 658
 659 if cc.has_function('dl_iterate_phdr')
 660   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 661 elif with_intel_vk
 662   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
 663 elif with_dri_i965 and get_option('shader-cache')
 664   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
 665 endif
 666
 667 # Determine whether or not the rt library is needed for time functions
 668 if cc.has_function('clock_gettime')
 669   dep_clock = []
 670 else
 671   dep_clock = cc.find_library('rt')
 672 endif
 673
 674 with_gallium_drisw_kms = false
 675 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 676                         required : with_dri2 or with_dri3)
 677 if dep_libdrm.found()
 678   pre_args += '-DHAVE_LIBDRM'
 679   if with_dri_platform == 'drm' and with_dri
 680     with_gallium_drisw_kms = true
 681   endif
 682 endif
 683
 684 # TODO: some of these may be conditional
 685 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 686 dep_thread = dependency('threads')
 687 if dep_thread.found() and host_machine.system() != 'windows'
 688   pre_args += '-DHAVE_PTHREAD'
 689 endif
 690 dep_elf = dependency('libelf', required : false)
 691 if not dep_elf.found() and (with_amd_vk or with_gallium_radeonsi) # TODO: clover, r600
 692   dep_elf = cc.find_library('elf')
 693 endif
 694 dep_expat = dependency('expat')
 695 # this only exists on linux so either this is linux and it will be found, or
 696 # its not linux and and wont
 697 dep_m = cc.find_library('m', required : false)
 698
 699 dep_libdrm_amdgpu = []
 700 dep_libdrm_radeon = []
 701 dep_libdrm_nouveau = []
 702 dep_libdrm_etnaviv = []
 703 dep_libdrm_freedreno = []
 704 if with_amd_vk or with_gallium_radeonsi
 705   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.88')
 706 endif
 707 if with_gallium_radeonsi or with_dri_r100 or with_dri_r200
 708   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 709 endif
 710 if with_gallium_nouveau or with_dri_nouveau
 711   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 712 endif
 713 if with_gallium_etnaviv
 714   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 715 endif
 716 if with_gallium_freedreno
 717   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.74')
 718 endif
 719
 720 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 721 if with_amd_vk or with_gallium_radeonsi
 722   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 723 endif
 724
 725 _llvm = get_option('llvm')
 726 if _llvm == 'auto'
 727   dep_llvm = dependency(
 728     'llvm', version : '>= 3.9.0', modules : llvm_modules,
 729     required : with_amd_vk or with_gallium_radeonsi,
 730   )
 731   with_llvm = dep_llvm.found()
 732 elif _llvm == 'true'
 733   dep_llvm = dependency('llvm', version : '>= 3.9.0', modules : llvm_modules)
 734   with_llvm = true
 735 else
 736   dep_llvm = []
 737   with_llvm = false
 738 endif
 739 if with_llvm
 740   _llvm_version = dep_llvm.version().split('.')
 741   # Development versions of LLVM have an 'svn' suffix, we don't want that for
 742   # our version checks.
 743   _llvm_patch = _llvm_version[2]
 744   if _llvm_patch.endswith('svn')
 745     _llvm_patch = _llvm_patch.split('s')[0]
 746   endif
 747   pre_args += [
 748     '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
 749     '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
 750   ]
 751 elif with_amd_vk or with_gallium_radeonsi
 752   error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM is disabled.')
 753 endif
 754
 755 dep_glvnd = []
 756 if with_glvnd
 757   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
 758   pre_args += '-DUSE_LIBGLVND=1'
 759 endif
 760
 761 if with_valgrind != 'false'
 762   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
 763   if dep_valgrind.found()
 764     pre_args += '-DHAVE_VALGRIND'
 765   endif
 766 else
 767   dep_valgrind = []
 768 endif
 769
 770 # pthread stubs. Lets not and say we didn't
 771
 772 prog_bison = find_program('bison', required : with_any_opengl)
 773 prog_flex = find_program('flex', required : with_any_opengl)
 774
 775 dep_selinux = []
 776 if get_option('selinux')
 777   dep_selinux = dependency('libselinux')
 778   pre_args += '-DMESA_SELINUX'
 779 endif
 780
 781 # TODO: llvm-prefix and llvm-shared-libs
 782
 783 if with_libunwind != 'false'
 784   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
 785   if dep_unwind.found()
 786     pre_args += '-DHAVE_LIBUNWIND'
 787   endif
 788 else
 789   dep_unwind = []
 790 endif
 791
 792 # TODO: gallium-hud
 793
 794 if with_osmesa != 'none'
 795   if with_osmesa == 'classic' and not with_dri_swrast
 796     error('OSMesa classic requires dri (classic) swrast.')
 797   endif
 798   if with_osmesa == 'gallium' and not with_gallium_softpipe
 799     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
 800   endif
 801   osmesa_lib_name = 'OSMesa'
 802   osmesa_bits = get_option('osmesa-bits')
 803   if osmesa_bits != '8'
 804     if with_dri or with_glx != 'disabled'
 805       error('OSMesa bits must be 8 if building glx or dir based drivers')
 806     endif
 807     osmesa_lib_name = osmesa_lib_name + osmesa_bits
 808     pre_args += [
 809       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
 810     ]
 811   endif
 812 endif
 813
 814 # TODO: symbol mangling
 815
 816 if with_platform_wayland
 817   prog_wl_scanner = find_program('wayland-scanner')
 818   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
 819   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
 820   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
 821   wayland_dmabuf_xml = join_paths(
 822     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
 823     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
 824   )
 825   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
 826 else
 827   prog_wl_scanner = []
 828   dep_wl_protocols = []
 829   dep_wayland_client = []
 830   dep_wayland_server = []
 831   wayland_dmabuf_xml = ''
 832 endif
 833
 834 dep_x11 = []
 835 dep_xext = []
 836 dep_xdamage = []
 837 dep_xfixes = []
 838 dep_x11_xcb = []
 839 dep_xcb = []
 840 dep_xcb_glx = []
 841 dep_xcb_dri2 = []
 842 dep_xcb_dri3 = []
 843 dep_dri2proto = []
 844 dep_glproto = []
 845 dep_xxf86vm = []
 846 dep_xcb_dri3 = []
 847 dep_xcb_present = []
 848 dep_xcb_sync = []
 849 dep_xcb_xfixes = []
 850 dep_xshmfence = []
 851 if with_platform_x11
 852   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 853     dep_x11 = dependency('x11')
 854     dep_xext = dependency('xext')
 855     dep_xcb = dependency('xcb')
 856   elif with_glx == 'dri' and with_dri_platform == 'drm'
 857     dep_x11 = dependency('x11')
 858     dep_xext = dependency('xext')
 859     dep_xdamage = dependency('xdamage', version : '>= 1.1')
 860     dep_xfixes = dependency('xfixes')
 861     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
 862     dep_xxf86vm = dependency('xxf86vm', required : false)
 863   endif
 864   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 865     dep_xcb = dependency('xcb')
 866     dep_x11_xcb = dependency('x11-xcb')
 867     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
 868
 869     if with_dri3
 870       pre_args += '-DHAVE_DRI3'
 871       dep_xcb_dri3 = dependency('xcb-dri3')
 872       dep_xcb_present = dependency('xcb-present')
 873       dep_xcb_sync = dependency('xcb-sync')
 874       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
 875     endif
 876   endif
 877   if with_glx == 'dri'
 878     dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
 879     dep_glproto = dependency('glproto', version : '>= 1.4.14')
 880   endif
 881   if with_egl
 882     dep_xcb_xfixes = dependency('xcb-xfixes')
 883   endif
 884 endif
 885
 886 # TODO: nine
 887
 888 # TODO: clover
 889
 890 # TODO: gallium tests
 891
 892 # TODO: various libdirs
 893
 894 # TODO: swr
 895
 896 # TODO: gallium driver dirs
 897
 898 # FIXME: this is a workaround for #2326
 899 prog_touch = find_program('touch')
 900 dummy_cpp = custom_target(
 901   'dummy_cpp',
 902   output : 'dummy.cpp',
 903   command : [prog_touch, '@OUTPUT@'],
 904 )
 905
 906 foreach a : pre_args
 907   add_project_arguments(a, language : ['c', 'cpp'])
 908 endforeach
 909 foreach a : c_args
 910   add_project_arguments(a, language : ['c'])
 911 endforeach
 912 foreach a : cpp_args
 913   add_project_arguments(a, language : ['cpp'])
 914 endforeach
 915
 916 inc_include = include_directories('include')
 917
 918 gl_priv_reqs = [
 919   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
 920   'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
 921 ]
 922 if dep_xxf86vm != [] and dep_xxf86vm.found()
 923   gl_priv_reqs += 'xxf86vm'
 924 endif
 925 if with_dri_platform == 'drm'
 926   gl_priv_reqs += 'xcb-dri2 >= 1.8'
 927 endif
 928
 929 gl_priv_libs = []
 930 if dep_thread.found()
 931   gl_priv_libs += ['-lpthread', '-pthread']
 932 endif
 933 if dep_m.found()
 934   gl_priv_libs += '-lm'
 935 endif
 936 if dep_dl != [] and dep_dl.found()
 937   gl_priv_libs += '-ldl'
 938 endif
 939
 940 pkg = import('pkgconfig')
 941
 942 subdir('include')
 943 subdir('bin')
 944 subdir('src')