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