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   '-D_GNU_SOURCE',
  43 ]
  44
  45 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  46 with_tests = get_option('build-tests')
  47 with_valgrind = get_option('valgrind')
  48 with_libunwind = get_option('libunwind')
  49 with_asm = get_option('asm')
  50 with_llvm = get_option('llvm')
  51 with_osmesa = get_option('osmesa')
  52 if get_option('texture-float')
  53   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  54   message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  55 endif
  56
  57 # XXX: yeah, do these
  58 with_appledri = false
  59 with_windowsdri = false
  60
  61 dri_drivers_path = get_option('dri-drivers-path')
  62 if dri_drivers_path == ''
  63   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  64 endif
  65
  66 with_gles1 = get_option('gles1')
  67 with_gles2 = get_option('gles2')
  68 with_opengl = get_option('opengl')
  69 with_any_opengl = with_opengl or with_gles1 or with_gles2
  70 # Only build shared_glapi if at least one OpenGL API is enabled
  71 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  72
  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 == 'auto'
  96   # TODO: PPC, Sparc
  97   if not ['darwin', 'windows'].contains(host_machine.system())
  98     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
  99       _drivers = 'i915,i965,r100,r200,nouveau'
 100     else
 101       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 102     endif
 103   else
 104     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
 105   endif
 106 endif
 107 if _drivers != ''
 108   _split = _drivers.split(',')
 109   with_dri_i915 = _split.contains('i915')
 110   with_dri_i965 = _split.contains('i965')
 111   with_dri_r100 = _split.contains('r100')
 112   with_dri_r200 = _split.contains('r200')
 113   with_dri_nouveau = _split.contains('nouveau')
 114   with_dri_swrast = _split.contains('swrast')
 115   with_dri = true
 116 endif
 117
 118 with_gallium = false
 119 with_gallium_pl111 = false
 120 with_gallium_radeonsi = false
 121 with_gallium_nouveau = false
 122 with_gallium_freedreno = false
 123 with_gallium_softpipe = false
 124 with_gallium_vc4 = false
 125 with_gallium_vc5 = false
 126 with_gallium_etnaviv = false
 127 with_gallium_imx = false
 128 _drivers = get_option('gallium-drivers')
 129 if _drivers == 'auto'
 130   if not ['darwin', 'windows'].contains(host_machine.system())
 131     # TODO: PPC, Sparc
 132     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 133       _drivers = 'radeonsi,nouveau,swrast'
 134     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 135       _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,swrast'
 136     else
 137       error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 138     endif
 139   else
 140     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
 141   endif
 142 endif
 143 if _drivers != ''
 144   _split = _drivers.split(',')
 145   with_gallium_pl111 = _split.contains('pl111')
 146   with_gallium_radeonsi = _split.contains('radeonsi')
 147   with_gallium_nouveau = _split.contains('nouveau')
 148   with_gallium_freedreno = _split.contains('freedreno')
 149   with_gallium_softpipe = _split.contains('swrast')
 150   with_gallium_vc4 = _split.contains('vc4')
 151   with_gallium_vc5 = _split.contains('vc5')
 152   with_gallium_etnaviv = _split.contains('etnaviv')
 153   with_gallium_imx = _split.contains('imx')
 154   with_gallium = true
 155 endif
 156
 157 if with_dri_swrast and with_gallium_softpipe
 158   error('Only one swrast provider can be built')
 159 endif
 160 if with_gallium_imx and not with_gallium_etnaviv
 161   error('IMX driver requires etnaviv driver')
 162 endif
 163
 164 dep_libdrm_intel = []
 165 if with_dri_i915
 166   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 167 endif
 168
 169 # TODO: other OSes
 170 with_dri_platform = 'drm'
 171
 172 with_platform_android = false
 173 with_platform_wayland = false
 174 with_platform_x11 = false
 175 with_platform_drm = false
 176 with_platform_surfaceless = false
 177 egl_native_platform = ''
 178 _platforms = get_option('platforms')
 179 if _platforms != ''
 180   _split = _platforms.split(',')
 181   with_platform_android = _split.contains('android')
 182   with_platform_x11 = _split.contains('x11')
 183   with_platform_wayland = _split.contains('wayland')
 184   with_platform_drm = _split.contains('drm')
 185   with_platform_surfaceless = _split.contains('surfaceless')
 186   egl_native_platform = _split[0]
 187 endif
 188
 189 with_glx = get_option('glx')
 190 if with_glx == 'auto'
 191   if with_dri
 192     with_glx = 'dri'
 193   elif with_gallium
 194     # Even when building just gallium drivers the user probably wants dri
 195     with_glx = 'dri'
 196     with_dri = true
 197   elif with_platform_x11 and with_any_opengl and not with_any_vk
 198     # The automatic behavior should not be to turn on xlib based glx when
 199     # building only vulkan drivers
 200     with_glx = 'xlib'
 201   else
 202     with_glx = 'disabled'
 203   endif
 204 endif
 205
 206 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
 207   with_gles1 = false
 208   with_gles2 = false
 209   with_opengl = false
 210   with_any_opengl = false
 211   with_shared_glapi = false
 212 endif
 213
 214 with_gbm = get_option('gbm')
 215 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 216   with_gbm = host_machine.system() == 'linux'
 217 elif with_gbm == 'true'
 218   if not ['linux', 'bsd'].contains(host_machine.system())
 219     error('GBM only supports unix-like platforms')
 220   endif
 221   with_gbm = true
 222 else
 223   with_gbm = false
 224 endif
 225
 226 _egl = get_option('egl')
 227 if _egl == 'auto'
 228   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 229 elif _egl == 'true'
 230   if not with_dri
 231     error('EGL requires dri')
 232   elif not with_shared_glapi
 233     error('EGL requires shared-glapi')
 234   elif egl_native_platform == ''
 235     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 236   endif
 237   with_egl = true
 238 else
 239   with_egl = false
 240 endif
 241
 242 # TODO: or virgl
 243 if with_egl and with_gallium_radeonsi and not (with_platform_drm or with_platform_surfaceless)
 244   error('RadeonSI requires drm or surfaceless platform when using EGL')
 245 endif
 246
 247 pre_args += '-DGLX_USE_TLS'
 248 if with_glx != 'disabled'
 249   if not (with_platform_x11 and with_any_opengl)
 250     if with_glx == 'auto'
 251       with_glx = 'disabled'
 252     else
 253       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 254     endif
 255   elif with_glx == 'gallium-xlib'
 256     if not with_gallium
 257       error('Gallium-xlib based GLX requires at least one gallium driver')
 258     elif not with_gallium_softpipe
 259       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 260     elif with_dri
 261       error('gallium-xlib conflicts with any dri driver')
 262     endif
 263   elif with_glx == 'xlib'
 264     if with_dri
 265       error('xlib conflicts with any dri driver')
 266     endif
 267   elif with_glx == 'dri' and not with_dri
 268     error('dri based GLX requires at least one DRI driver')
 269   endif
 270 endif
 271
 272 with_glvnd = get_option('glvnd')
 273 if with_glvnd
 274   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 275     error('Cannot build glvnd support for GLX that is not DRI based.')
 276   elif with_glx == 'disabled' and not with_egl
 277     error('glvnd requires DRI based GLX and/or EGL')
 278   endif
 279 endif
 280
 281 # TODO: toggle for this
 282 with_glx_direct = true
 283
 284 if with_vulkan_icd_dir == ''
 285   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 286 endif
 287
 288 with_intel_vk = false
 289 with_amd_vk = false
 290 with_any_vk = false
 291 _vulkan_drivers = get_option('vulkan-drivers')
 292 if _vulkan_drivers == 'auto'
 293   if not ['darwin', 'windows'].contains(host_machine.system())
 294     if host_machine.cpu_family().startswith('x86')
 295       _vulkan_drivers = 'amd,intel'
 296     else
 297       error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
 298     endif
 299   else
 300     # No vulkan driver supports windows or macOS currently
 301     _vulkan_drivers = ''
 302   endif
 303 endif
 304 if _vulkan_drivers != ''
 305   _split = _vulkan_drivers.split(',')
 306   with_intel_vk = _split.contains('intel')
 307   with_amd_vk = _split.contains('amd')
 308   with_any_vk = with_amd_vk or with_intel_vk
 309   if not (with_platform_x11 or with_platform_wayland or with_platform_android)
 310     error('Vulkan requires at least one platform (x11, wayland, android)')
 311   endif
 312 endif
 313
 314 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 315 with_dri3 = get_option('dri3')
 316 if with_dri3 == 'auto'
 317   if host_machine.system() == 'linux' and with_dri2
 318     with_dri3 = true
 319   else
 320     with_dri3 = false
 321  endif
 322 elif with_dri3 == 'true'
 323   with_dri3 = true
 324 else
 325   with_dri3 = false
 326 endif
 327
 328 if with_any_vk and (with_platform_x11 and not with_dri3)
 329   error('Vulkan drivers require dri3 for X11 support')
 330 endif
 331 if with_dri or with_gallium
 332   if with_glx == 'disabled' and not with_egl
 333     error('building dri or gallium drivers require at least one window system')
 334   endif
 335 endif
 336
 337 with_gallium_xvmc = false
 338 with_gallium_vdpau = false
 339 with_gallium_omx = false  # this is bellagio
 340 with_gallium_va = false
 341 with_gallium_media = false
 342 dep_va = []
 343 _drivers = get_option('gallium-media')
 344 if _drivers != ''
 345   _split = _drivers.split(',')
 346   with_gallium_xvmc = _split.contains('xvmc')
 347   with_gallium_vdpau = _split.contains('vdpau')
 348   with_gallium_omx = _split.contains('omx')
 349   with_gallium_va = _split.contains('va')
 350   with_gallium_media = (with_gallium_xvmc or with_gallium_vdpau or
 351                         with_gallium_omx or with_gallium_va)
 352 endif
 353
 354 gl_pkgconfig_c_flags = []
 355 if with_platform_x11
 356   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 357     pre_args += '-DHAVE_X11_PLATFORM'
 358   endif
 359   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 360     pre_args += '-DUSE_XSHM'
 361   else
 362     pre_args += '-DGLX_INDIRECT_RENDERING'
 363     if with_glx_direct
 364       pre_args += '-DGLX_DIRECT_RENDERING'
 365     endif
 366     if with_dri_platform == 'drm'
 367       pre_args += '-DGLX_USE_DRM'
 368     endif
 369   endif
 370 else
 371   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 372   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 373 endif
 374 if with_platform_drm
 375   if with_egl and not with_gbm
 376     error('EGL drm platform requires gbm')
 377   endif
 378   pre_args += '-DHAVE_DRM_PLATFORM'
 379 endif
 380 if with_platform_surfaceless
 381   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 382 endif
 383 if with_platform_android
 384   dep_android = [
 385     dependency('cutils'),
 386     dependency('hardware'),
 387     dependency('sync'),
 388   ]
 389   pre_args += '-DHAVE_ANDROID_PLATFORM'
 390 endif
 391
 392 prog_python2 = find_program('python2')
 393 has_mako = run_command(prog_python2, '-c', 'import mako')
 394 if has_mako.returncode() != 0
 395   error('Python (2.x) mako module required to build mesa.')
 396 endif
 397
 398 cc = meson.get_compiler('c')
 399 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 400   error('When using GCC, version 4.4.6 or later is required.')
 401 endif
 402
 403 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 404 if get_option('buildtype') == 'debug'
 405   pre_args += '-DDEBUG'
 406 endif
 407
 408 if get_option('shader-cache')
 409   pre_args += '-DENABLE_SHADER_CACHE'
 410 elif with_amd_vk
 411   error('Radv requires shader cache support')
 412 endif
 413
 414 # Check for GCC style builtins
 415 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 416              'ffsll', 'popcount', 'popcountll', 'unreachable']
 417   if cc.has_function(b)
 418     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 419   endif
 420 endforeach
 421
 422 # check for GCC __attribute__
 423 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 424              'warn_unused_result', 'weak',]
 425   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 426                  name : '__attribute__((@0@))'.format(a))
 427     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 428   endif
 429 endforeach
 430 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 431                name : '__attribute__((format(...)))')
 432   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 433 endif
 434 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 435                name : '__attribute__((packed))')
 436   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 437 endif
 438 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 439                name : '__attribute__((returns_nonnull))')
 440   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 441 endif
 442 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 443                   int foo_hid(void) __attribute__((visibility("hidden")));
 444                   int foo_int(void) __attribute__((visibility("internal")));
 445                   int foo_pro(void) __attribute__((visibility("protected")));''',
 446                name : '__attribute__((visibility(...)))')
 447   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 448 endif
 449 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 450                name : '__attribute__((alias(...)))')
 451   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 452 endif
 453
 454 # TODO: this is very incomplete
 455 if host_machine.system() == 'linux'
 456   pre_args += '-D_GNU_SOURCE'
 457 endif
 458
 459 # Check for generic C arguments
 460 c_args = []
 461 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 462              '-Werror=missing-prototypes', '-fno-math-errno',
 463              '-fno-trapping-math', '-Qunused-arguments']
 464   if cc.has_argument(a)
 465     c_args += a
 466   endif
 467 endforeach
 468 c_vis_args = []
 469 if cc.has_argument('-fvisibility=hidden')
 470   c_vis_args += '-fvisibility=hidden'
 471 endif
 472
 473 # Check for generic C++ arguments
 474 cpp = meson.get_compiler('cpp')
 475 cpp_args = []
 476 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 477              '-Qunused-arguments', '-Wno-non-virtual-dtor']
 478   if cpp.has_argument(a)
 479     cpp_args += a
 480   endif
 481 endforeach
 482 cpp_vis_args = []
 483 if cpp.has_argument('-fvisibility=hidden')
 484   cpp_vis_args += '-fvisibility=hidden'
 485 endif
 486
 487 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 488 # in parts of the mesa code base that need to compile with old versions of
 489 # MSVC, mainly common code
 490 c_msvc_compat_args = []
 491 cpp_msvc_compat_args = []
 492 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 493   if cc.has_argument(a)
 494     c_msvc_compat_args += a
 495   endif
 496   if cpp.has_argument(a)
 497     cpp_msvc_compat_args += a
 498   endif
 499 endforeach
 500
 501 no_override_init_args = []
 502 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 503   if cc.has_argument(a)
 504     no_override_init_args += a
 505   endif
 506 endforeach
 507
 508 # TODO: SSE41 (which is only required for core mesa)
 509
 510 # Check for GCC style atomics
 511 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 512                name : 'GCC atomic builtins')
 513   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 514 endif
 515 if not cc.links('''#include <stdint.h>
 516                    uint64_t v;
 517                    int main() {
 518                      return __sync_add_and_fetch(&v, (uint64_t)1);
 519                    }''',
 520                 name : 'GCC 64bit atomics')
 521   pre_args += '-DMISSING_64_BIT_ATOMICS'
 522 endif
 523
 524 # TODO: endian
 525 # TODO: powr8
 526 # TODO: shared/static? Is this even worth doing?
 527
 528 # I don't think that I need to set any of the debug stuff, I think meson
 529 # handles that for us
 530
 531 # TODO: ldflags
 532
 533 # TODO: texture-float (gallium/mesa only)
 534
 535 # TODO: cross-compiling. I don't think this is relavent to meson
 536
 537 # FIXME: enable asm when cross compiler
 538 # This is doable (autotools does it), but it's not of immediate concern
 539 if meson.is_cross_build() and host_machine.cpu_family().startswith('x86')
 540   message('Cross compiling, disabling x86/x86_64 asm')
 541   with_asm = false
 542 endif
 543
 544 with_asm_arch = ''
 545 if with_asm
 546   # TODO: SPARC and PPC
 547   if host_machine.cpu_family() == 'x86'
 548     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 549       with_asm_arch = 'x86'
 550       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 551                    '-DUSE_SSE_ASM']
 552     endif
 553   elif host_machine.cpu_family() == 'x86_64'
 554     if host_machine.system() == 'linux'
 555       with_asm_arch = 'x86_64'
 556       pre_args += ['-DUSE_X86_64_ASM']
 557     endif
 558   elif host_machine.cpu_family() == 'arm'
 559     if host_machine.system() == 'linux'
 560       with_asm_arch = 'arm'
 561       pre_args += ['-DUSE_ARM_ASM']
 562     endif
 563   elif host_machine.cpu_family() == 'aarch64'
 564     if host_machine.system() == 'linux'
 565       with_asm_arch = 'aarch64'
 566       pre_args += ['-DUSE_AARCH64_ASM']
 567     endif
 568   endif
 569 endif
 570
 571 # Check for standard headers and functions
 572 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 573   pre_args += '-DMAJOR_IN_SYSMACROS'
 574 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 575   pre_args += '-DMAJOR_IN_MKDEV'
 576 endif
 577
 578 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
 579   if cc.has_header(h)
 580     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 581   endif
 582 endforeach
 583
 584 foreach f : ['strtof', 'mkostemp', 'posix_memalign']
 585   if cc.has_function(f)
 586     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 587   endif
 588 endforeach
 589
 590 # strtod locale support
 591 if cc.links('''
 592     #define _GNU_SOURCE
 593     #include <stdlib.h>
 594     #include <locale.h>
 595     #ifdef HAVE_XLOCALE_H
 596     #include <xlocale.h>
 597     #endif
 598     int main() {
 599       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 600       const char *s = "1.0";
 601       char *end;
 602       double d = strtod_l(s, end, loc);
 603       float f = strtod_l(s, end, loc);
 604       freelocale(loc);
 605       return 0;
 606     }''',
 607     extra_args : pre_args,
 608     name : 'strtod has locale support')
 609   pre_args += '-DHAVE_STRTOD_L'
 610 endif
 611
 612 # Check for some linker flags
 613 ld_args_bsymbolic = []
 614 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 615   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 616 endif
 617 ld_args_gc_sections = []
 618 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 619             args : '-Wl,--gc-sections', name : 'gc-sections')
 620   ld_args_gc_sections += '-Wl,--gc-sections'
 621 endif
 622 with_ld_version_script = false
 623 if cc.links('int main() { return 0; }',
 624             args : '-Wl,--version-script=@0@'.format(
 625               join_paths(meson.source_root(), 'build-support/conftest.map')),
 626             name : 'version-script')
 627   with_ld_version_script = true
 628 endif
 629 with_ld_dynamic_list = false
 630 if cc.links('int main() { return 0; }',
 631             args : '-Wl,--dynamic-list=@0@'.format(
 632               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 633             name : 'dynamic-list')
 634   with_ld_dynamic_list = true
 635 endif
 636
 637 # check for dl support
 638 if cc.has_function('dlopen')
 639   dep_dl = []
 640 else
 641   dep_dl = cc.find_library('dl')
 642 endif
 643 if cc.has_function('dladdr', dependencies : dep_dl)
 644   # This is really only required for megadrivers
 645   pre_args += '-DHAVE_DLADDR'
 646 endif
 647
 648 if cc.has_function('dl_iterate_phdr')
 649   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 650 else
 651   # TODO: this is required for vulkan
 652 endif
 653
 654 # Determine whether or not the rt library is needed for time functions
 655 if cc.has_function('clock_gettime')
 656   dep_clock = []
 657 else
 658   dep_clock = cc.find_library('rt')
 659 endif
 660
 661 with_gallium_drisw_kms = false
 662 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 663                         required : with_dri2 or with_dri3)
 664 if dep_libdrm.found()
 665   pre_args += '-DHAVE_LIBDRM'
 666   if with_dri_platform == 'drm' and with_dri
 667     with_gallium_drisw_kms = true
 668   endif
 669 endif
 670
 671 # TODO: some of these may be conditional
 672 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 673 dep_thread = dependency('threads')
 674 if dep_thread.found() and host_machine.system() == 'linux'
 675   pre_args += '-DHAVE_PTHREAD'
 676 endif
 677 dep_elf = dependency('libelf', required : false)
 678 if not dep_elf.found() and (with_amd_vk or with_gallium_radeonsi) # TODO: clover, r600
 679   dep_elf = cc.find_library('elf')
 680 endif
 681 dep_expat = dependency('expat')
 682 # this only exists on linux so either this is linux and it will be found, or
 683 # its not linux and and wont
 684 dep_m = cc.find_library('m', required : false)
 685
 686 dep_libdrm_amdgpu = []
 687 dep_libdrm_radeon = []
 688 dep_libdrm_nouveau = []
 689 dep_libdrm_etnaviv = []
 690 dep_libdrm_freedreno = []
 691 if with_amd_vk or with_gallium_radeonsi
 692   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.88')
 693 endif
 694 if with_gallium_radeonsi or with_dri_r100 or with_dri_r200
 695   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 696 endif
 697 if with_gallium_nouveau or with_dri_nouveau
 698   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 699 endif
 700 if with_gallium_etnaviv
 701   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 702 endif
 703 if with_gallium_freedreno
 704   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.74')
 705 endif
 706
 707 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 708 if with_amd_vk
 709   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 710 endif
 711 dep_llvm = []
 712 if with_llvm
 713   dep_llvm = dependency(
 714     'llvm', version : '>= 3.9.0', required : with_amd_vk, modules : llvm_modules,
 715   )
 716   if dep_llvm.found()
 717     _llvm_version = dep_llvm.version().split('.')
 718     # Development versions of LLVM have an 'svn' suffix, we don't want that for
 719     # our version checks.
 720     _llvm_patch = _llvm_version[2]
 721     if _llvm_patch.endswith('svn')
 722       _llvm_patch = _llvm_patch.split('s')[0]
 723     endif
 724     pre_args += [
 725       '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
 726       '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
 727     ]
 728   else
 729     if with_gallium_softpipe
 730       error('Cannot find LLVM to build LLVMPipe. If you wanted softpipe pass -Dllvm=false to meson')
 731     elif with_amd_vk or with_gallium_radeonsi # etc
 732       error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM was not found.')
 733     endif
 734   endif
 735 elif with_amd_vk or with_gallium_radeonsi
 736   error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM is disabled.')
 737 endif
 738
 739 dep_glvnd = []
 740 if with_glvnd
 741   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
 742   pre_args += '-DUSE_LIBGLVND=1'
 743 endif
 744
 745 if with_valgrind != 'false'
 746   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
 747   if dep_valgrind.found()
 748     pre_args += '-DHAVE_VALGRIND'
 749   endif
 750 else
 751   dep_valgrind = []
 752 endif
 753
 754 # pthread stubs. Lets not and say we didn't
 755
 756 prog_bison = find_program('bison', required : with_any_opengl)
 757 prog_flex = find_program('flex', required : with_any_opengl)
 758
 759 dep_selinux = []
 760 if get_option('selinux')
 761   dep_selinux = dependency('libselinux')
 762   pre_args += '-DMESA_SELINUX'
 763 endif
 764
 765 # TODO: llvm-prefix and llvm-shared-libs
 766
 767 if with_libunwind != 'false'
 768   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
 769   if dep_unwind.found()
 770     pre_args += '-DHAVE_LIBUNWIND'
 771   endif
 772 else
 773   dep_unwind = []
 774 endif
 775
 776 # TODO: flags for opengl, gles, dri
 777
 778 # TODO: gallium-hud
 779
 780 # TODO: glx provider
 781
 782 if with_osmesa != 'none'
 783   if with_osmesa == 'classic' and not with_dri_swrast
 784     error('OSMesa classic requires dri (classic) swrast.')
 785   endif
 786   if with_osmesa == 'gallium' and not with_gallium_softpipe
 787     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
 788   endif
 789   osmesa_lib_name = 'OSMesa'
 790   osmesa_bits = get_option('osmesa-bits')
 791   if osmesa_bits != '8'
 792     if with_dri or with_glx != 'disabled'
 793       error('OSMesa bits must be 8 if building glx or dir based drivers')
 794     endif
 795     osmesa_lib_name = osmesa_lib_name + osmesa_bits
 796     pre_args += [
 797       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
 798     ]
 799   endif
 800 endif
 801
 802 # TODO: symbol mangling
 803
 804 if with_platform_wayland
 805   prog_wl_scanner = find_program('wayland-scanner')
 806   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
 807   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
 808   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
 809   wayland_dmabuf_xml = join_paths(
 810     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
 811     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
 812   )
 813   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
 814 else
 815   prog_wl_scanner = []
 816   dep_wl_protocols = []
 817   dep_wayland_client = []
 818   dep_wayland_server = []
 819   wayland_dmabuf_xml = ''
 820 endif
 821
 822 dep_x11 = []
 823 dep_xext = []
 824 dep_xdamage = []
 825 dep_xfixes = []
 826 dep_x11_xcb = []
 827 dep_xcb = []
 828 dep_xcb_glx = []
 829 dep_xcb_dri2 = []
 830 dep_xcb_dri3 = []
 831 dep_dri2proto = []
 832 dep_glproto = []
 833 dep_xxf86vm = []
 834 dep_xcb_dri3 = []
 835 dep_xcb_present = []
 836 dep_xcb_sync = []
 837 dep_xcb_xfixes = []
 838 dep_xshmfence = []
 839 if with_platform_x11
 840   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 841     dep_x11 = dependency('x11')
 842     dep_xext = dependency('xext')
 843     dep_xcb = dependency('xcb')
 844   elif with_glx == 'dri' and with_dri_platform == 'drm'
 845     dep_x11 = dependency('x11')
 846     dep_xext = dependency('xext')
 847     dep_xdamage = dependency('xdamage', version : '>= 1.1')
 848     dep_xfixes = dependency('xfixes')
 849     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
 850     dep_xxf86vm = dependency('xxf86vm', required : false)
 851   endif
 852   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 853     dep_xcb = dependency('xcb')
 854     dep_x11_xcb = dependency('x11-xcb')
 855     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
 856
 857     if with_dri3
 858       pre_args += '-DHAVE_DRI3'
 859       dep_xcb_dri3 = dependency('xcb-dri3')
 860       dep_xcb_present = dependency('xcb-present')
 861       dep_xcb_sync = dependency('xcb-sync')
 862       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
 863     endif
 864   endif
 865   if with_glx == 'dri'
 866     dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
 867     dep_glproto = dependency('glproto', version : '>= 1.4.14')
 868   endif
 869   if with_egl
 870     dep_xcb_xfixes = dependency('xcb-xfixes')
 871   endif
 872 endif
 873
 874 # TODO: osmesa
 875
 876 # TODO: vallium G3DVL
 877
 878 # TODO: nine
 879
 880 # TODO: clover
 881
 882 # TODO: gallium tests
 883
 884 # TODO: various libdirs
 885
 886 # TODO: swr
 887
 888 # TODO: gallium driver dirs
 889
 890 # FIXME: this is a workaround for #2326
 891 prog_touch = find_program('touch')
 892 dummy_cpp = custom_target(
 893   'dummy_cpp',
 894   output : 'dummy.cpp',
 895   command : [prog_touch, '@OUTPUT@'],
 896 )
 897
 898 foreach a : pre_args
 899   add_project_arguments(a, language : ['c', 'cpp'])
 900 endforeach
 901 foreach a : c_args
 902   add_project_arguments(a, language : ['c'])
 903 endforeach
 904 foreach a : cpp_args
 905   add_project_arguments(a, language : ['cpp'])
 906 endforeach
 907
 908 inc_include = include_directories('include')
 909
 910 gl_priv_reqs = [
 911   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
 912   'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
 913 ]
 914 if dep_xxf86vm != [] and dep_xxf86vm.found()
 915   gl_priv_reqs += 'xxf86vm'
 916 endif
 917 if with_dri_platform == 'drm'
 918   gl_priv_reqs += 'xcb-dri2 >= 1.8'
 919 endif
 920
 921 gl_priv_libs = []
 922 if dep_thread.found()
 923   gl_priv_libs += ['-lpthread', '-pthread']
 924 endif
 925 if dep_m.found()
 926   gl_priv_libs += '-lm'
 927 endif
 928 if dep_dl.found()
 929   gl_priv_libs += '-ldl'
 930 endif
 931
 932 pkg = import('pkgconfig')
 933
 934 subdir('include')
 935 subdir('bin')
 936 subdir('src')