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