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