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('mesa', ['c', 'cpp'], version : '17.3.0-devel', license : 'MIT',
  22         default_options : ['c_std=c99', 'cpp_std=c++11'])
  23
  24 # Arguments for the preprocessor, put these in a separate array from the C and
  25 # C++ (cpp in meson terminology) arguments since they need to be added to the
  26 # default arguments for both C and C++.
  27 pre_args = [
  28   '-D__STDC_CONSTANT_MACROS',
  29   '-D__STDC_FORMAT_MACROS',
  30   '-D__STDC_LIMIT_MACROS',
  31   '-DVERSION="@0@"'.format(meson.project_version()),
  32   '-DPACKAGE_VERSION=VERSION',
  33   '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
  34   '-D_GNU_SOURCE',
  35 ]
  36
  37 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  38 with_tests = get_option('build-tests')
  39 with_valgrind = get_option('valgrind')
  40 with_asm = get_option('asm')
  41 with_llvm = get_option('llvm')
  42 if get_option('texture-float')
  43   pre_args += '-DTEXTURE_FLOAT_ENABLED'
  44   message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
  45 endif
  46
  47 # XXX: yeah, do these
  48 with_appledri = false
  49 with_windowsdri = false
  50
  51 dri_drivers_path = get_option('dri-drivers-path')
  52 if dri_drivers_path == ''
  53   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
  54 endif
  55
  56 with_gles1 = get_option('gles1')
  57 with_gles2 = get_option('gles2')
  58 with_opengl = get_option('opengl')
  59 with_any_opengl = with_opengl or with_gles1 or with_gles2
  60 # Only build shared_glapi if at least one OpenGL API is enabled
  61 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
  62
  63 # TODO: these will need options, but at the moment they just control header
  64 # installs
  65 with_osmesa = false
  66
  67 # shared-glapi is required if at least two OpenGL APIs are being built
  68 if not with_shared_glapi
  69   if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
  70       or (with_gles2 and with_opengl))
  71     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  72   endif
  73 endif
  74
  75 # We require OpenGL for OpenGL ES
  76 if (with_gles1 or with_gles2) and not with_opengl
  77   error('building OpenGL ES without OpenGL is not supported.')
  78 endif
  79
  80 with_dri = false
  81 with_dri_i915 = false
  82 with_dri_i965 = false
  83 with_dri_swrast = false
  84 _drivers = get_option('dri-drivers')
  85 if _drivers != ''
  86   _split = _drivers.split(',')
  87   with_dri_i915 = _split.contains('i915')
  88   with_dri_i965 = _split.contains('i965')
  89   with_dri_swrast = _split.contains('swrast')
  90   with_dri = true
  91 endif
  92
  93 with_gallium = false
  94 with_gallium_pl111 = false
  95 with_gallium_radeonsi = false
  96 with_gallium_nouveau = false
  97 with_gallium_freedreno = false
  98 with_gallium_softpipe = false
  99 with_gallium_vc4 = false
 100 with_gallium_vc5 = false
 101 with_gallium_etnaviv = false
 102 with_gallium_imx = false
 103 _drivers = get_option('gallium-drivers')
 104 if _drivers != ''
 105   _split = _drivers.split(',')
 106   with_gallium_pl111 = _split.contains('pl111')
 107   with_gallium_radeonsi = _split.contains('radeonsi')
 108   with_gallium_nouveau = _split.contains('nouveau')
 109   with_gallium_freedreno = _split.contains('freedreno')
 110   with_gallium_softpipe = _split.contains('swrast')
 111   with_gallium_vc4 = _split.contains('vc4')
 112   with_gallium_vc5 = _split.contains('vc5')
 113   with_gallium_etnaviv = _split.contains('etnaviv')
 114   with_gallium_imx = _split.contains('imx')
 115   with_gallium = true
 116   with_dri = true
 117 endif
 118
 119 if not (with_dri or with_gallium)
 120   with_gles1 = false
 121   with_gles2 = false
 122   with_opengl = false
 123   with_any_opengl = false
 124   with_shared_glapi = false
 125 endif
 126
 127 if with_dri_swrast and with_gallium_softpipe
 128   error('Only one swrast provider can be built')
 129 endif
 130 if with_gallium_imx and not with_gallium_etnaviv
 131   error('IMX driver requires etnaviv driver')
 132 endif
 133
 134 dep_libdrm_intel = []
 135 if with_dri_i915
 136   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
 137 endif
 138
 139 # TODO: other OSes
 140 with_dri_platform = 'drm'
 141
 142 # TODO: android platform
 143 with_platform_wayland = false
 144 with_platform_x11 = false
 145 with_platform_drm = false
 146 with_platform_surfaceless = false
 147 egl_native_platform = ''
 148 _platforms = get_option('platforms')
 149 if _platforms != ''
 150   _split = _platforms.split(',')
 151   with_platform_x11 = _split.contains('x11')
 152   with_platform_wayland = _split.contains('wayland')
 153   with_platform_drm = _split.contains('drm')
 154   with_platform_surfaceless = _split.contains('surfaceless')
 155   egl_native_platform = _split[0]
 156 endif
 157
 158 with_gbm = get_option('gbm')
 159 if with_gbm == 'auto' and with_dri  # TODO: or gallium
 160   with_gbm = host_machine.system() == 'linux'
 161 elif with_gbm == 'yes'
 162   if not ['linux', 'bsd'].contains(host_machine.system())
 163     error('GBM only supports unix-like platforms')
 164   endif
 165   with_gbm = true
 166 else
 167   with_gbm = false
 168 endif
 169
 170 _egl = get_option('egl')
 171 if _egl == 'auto'
 172   with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
 173 elif _egl == 'yes'
 174   if not with_dri
 175     error('EGL requires dri')
 176   elif not with_shared_glapi
 177     error('EGL requires shared-glapi')
 178   elif egl_native_platform == ''
 179     error('No platforms specified, consider -Dplatforms=drm,x11 at least')
 180   endif
 181   with_egl = true
 182 else
 183   with_egl = false
 184 endif
 185
 186 # TODO: or virgl
 187 if with_egl and with_gallium_radeonsi and not (with_platform_drm or with_platform_surfaceless)
 188   error('RadeonSI requires drm or surfaceless platform when using EGL')
 189 endif
 190
 191 pre_args += '-DGLX_USE_TLS'
 192 with_glx = get_option('glx')
 193 if with_glx != 'disabled'
 194   if not (with_platform_x11 and with_any_opengl)
 195     if with_glx == 'auto'
 196       with_glx = 'disabled'
 197     else
 198       error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 199     endif
 200   elif with_glx == 'gallium-xlib'
 201     if not with_gallium
 202       error('Gallium-xlib based GLX requires at least one gallium driver')
 203     elif with_dri
 204       error('gallium-xlib conflicts with any dri driver')
 205     endif
 206   elif with_glx == 'dri' and not with_dri
 207     error('dri based GLX requires at least one DRI driver')
 208   elif with_glx == 'auto'
 209     if with_dri
 210       with_glx = 'dri'
 211     elif with_gallium
 212       with_glx = 'gallium-xlib'
 213     elif with_platform_x11 and with_any_opengl
 214       with_glx = 'xlib'
 215     else
 216       with_glx = 'disabled'
 217     endif
 218   endif
 219 endif
 220
 221 with_glvnd = get_option('glvnd')
 222 if with_glvnd and with_glx != 'dri'
 223   message('glvnd requires dri based glx')
 224 endif
 225
 226 # TODO: toggle for this
 227 with_glx_direct = true
 228
 229 if with_vulkan_icd_dir == ''
 230   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 231 endif
 232
 233 with_intel_vk = false
 234 with_amd_vk = false
 235 with_any_vk = false
 236 _vulkan_drivers = get_option('vulkan-drivers')
 237 if _vulkan_drivers != ''
 238   _split = _vulkan_drivers.split(',')
 239   with_intel_vk = _split.contains('intel')
 240   with_amd_vk = _split.contains('amd')
 241   with_any_vk = with_amd_vk or with_intel_vk
 242   if not (with_platform_x11 or with_platform_wayland)
 243     error('Vulkan requires at least one platform (x11, wayland)')
 244   endif
 245 endif
 246
 247 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
 248 with_dri3 = get_option('dri3')
 249 if with_dri3 == 'auto'
 250   if host_machine.system() == 'linux' and with_dri2
 251     with_dri3 = true
 252   else
 253     with_dri3 = false
 254  endif
 255 elif with_dri3 == 'yes'
 256   with_dri3 = true
 257 else
 258   with_dri3 = false
 259 endif
 260
 261 if with_any_vk and (with_platform_x11 and not with_dri3)
 262   error('Vulkan drivers require dri3 for X11 support')
 263 endif
 264 if with_dri or with_gallium
 265   if with_glx == 'disabled' and not with_egl
 266     error('building dri or gallium drivers require at least one window system')
 267   endif
 268 endif
 269
 270 with_gallium_xvmc = false
 271 with_gallium_vdpau = false
 272 with_gallium_omx = false  # this is bellagio
 273 with_gallium_va = false
 274 with_gallium_media = false
 275 dep_va = []
 276 _drivers = get_option('gallium-media')
 277 if _drivers != ''
 278   _split = _drivers.split(',')
 279   with_gallium_xvmc = _split.contains('xvmc')
 280   with_gallium_vdpau = _split.contains('vdpau')
 281   with_gallium_omx = _split.contains('omx')
 282   with_gallium_va = _split.contains('va')
 283   with_gallium_media = (with_gallium_xvmc or with_gallium_vdpau or
 284                         with_gallium_omx or with_gallium_va)
 285 endif
 286
 287 gl_pkgconfig_c_flags = []
 288 if with_platform_x11
 289   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 290     pre_args += '-DHAVE_X11_PLATFORM'
 291   endif
 292   if with_glx == 'xlib'
 293     # TODO
 294     error('TODO')
 295   elif with_glx == 'gallium-xlib'
 296     # TODO
 297     error('TODO')
 298   else
 299     pre_args += '-DGLX_INDIRECT_RENDERING'
 300     if with_glx_direct
 301       pre_args += '-DGLX_DIRECT_RENDERING'
 302     endif
 303     if with_dri_platform == 'drm'
 304       pre_args += '-DGLX_USE_DRM'
 305     endif
 306   endif
 307 else
 308   pre_args += '-DMESA_EGL_NO_X11_HEADERS'
 309   gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
 310 endif
 311 if with_platform_drm
 312   if with_egl and not with_gbm
 313     error('EGL drm platform requires gbm')
 314   endif
 315   pre_args += '-DHAVE_DRM_PLATFORM'
 316 endif
 317 if with_platform_surfaceless
 318   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 319 endif
 320
 321 prog_python2 = find_program('python2')
 322 has_mako = run_command(prog_python2, '-c', 'import mako')
 323 if has_mako.returncode() != 0
 324   error('Python (2.x) mako module required to build mesa.')
 325 endif
 326
 327 cc = meson.get_compiler('c')
 328 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 329   error('When using GCC, version 4.4.6 or later is required.')
 330 endif
 331
 332 # Define DEBUG for debug and debugoptimized builds
 333 if get_option('buildtype').startswith('debug')
 334   pre_args += '-DDEBUG'
 335 endif
 336
 337 if get_option('shader-cache')
 338   pre_args += '-DENABLE_SHADER_CACHE'
 339 elif with_amd_vk
 340   error('Radv requires shader cache support')
 341 endif
 342
 343 # Check for GCC style builtins
 344 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 345              'ffsll', 'popcount', 'popcountll', 'unreachable']
 346   if cc.has_function(b)
 347     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 348   endif
 349 endforeach
 350
 351 # check for GCC __attribute__
 352 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 353              'warn_unused_result', 'weak',]
 354   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 355                  name : '__attribute__((@0@))'.format(a))
 356     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 357   endif
 358 endforeach
 359 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 360                name : '__attribute__((format(...)))')
 361   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 362 endif
 363 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 364                name : '__attribute__((packed))')
 365   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 366 endif
 367 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 368                name : '__attribute__((returns_nonnull))')
 369   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
 370 endif
 371 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 372                   int foo_hid(void) __attribute__((visibility("hidden")));
 373                   int foo_int(void) __attribute__((visibility("internal")));
 374                   int foo_pro(void) __attribute__((visibility("protected")));''',
 375                name : '__attribute__((visibility(...)))')
 376   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
 377 endif
 378 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 379                name : '__attribute__((alias(...)))')
 380   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 381 endif
 382
 383 # TODO: this is very incomplete
 384 if host_machine.system() == 'linux'
 385   pre_args += '-D_GNU_SOURCE'
 386 endif
 387
 388 # Check for generic C arguments
 389 c_args = []
 390 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
 391              '-Werror=missing-prototypes', '-fno-math-errno',
 392              '-fno-trapping-math', '-Qunused-arguments']
 393   if cc.has_argument(a)
 394     c_args += a
 395   endif
 396 endforeach
 397 c_vis_args = []
 398 if cc.has_argument('-fvisibility=hidden')
 399   c_vis_args += '-fvisibility=hidden'
 400 endif
 401
 402 # Check for generic C++ arguments
 403 cpp = meson.get_compiler('cpp')
 404 cpp_args = []
 405 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
 406              '-Qunused-arguments', '-Wno-non-virtual-dtor']
 407   if cpp.has_argument(a)
 408     cpp_args += a
 409   endif
 410 endforeach
 411 cpp_vis_args = []
 412 if cpp.has_argument('-fvisibility=hidden')
 413   cpp_vis_args += '-fvisibility=hidden'
 414 endif
 415
 416 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
 417 # in parts of the mesa code base that need to compile with old versions of
 418 # MSVC, mainly common code
 419 c_msvc_compat_args = []
 420 cpp_msvc_compat_args = []
 421 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 422   if cc.has_argument(a)
 423     c_msvc_compat_args += a
 424   endif
 425   if cpp.has_argument(a)
 426     cpp_msvc_compat_args += a
 427   endif
 428 endforeach
 429
 430 no_override_init_args = []
 431 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 432   if cc.has_argument(a)
 433     no_override_init_args += a
 434   endif
 435 endforeach
 436
 437 # TODO: SSE41 (which is only required for core mesa)
 438
 439 # Check for GCC style atomics
 440 if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
 441                name : 'GCC atomic builtins')
 442   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
 443 endif
 444 if not cc.links('''#include <stdint.h>
 445                    uint64_t v;
 446                    int main() {
 447                      return __sync_add_and_fetch(&v, (uint64_t)1);
 448                    }''',
 449                 name : 'GCC 64bit atomics')
 450   pre_args += '-DMISSING_64_BIT_ATOMICS'
 451 endif
 452
 453 # TODO: endian
 454 # TODO: powr8
 455 # TODO: shared/static? Is this even worth doing?
 456
 457 # I don't think that I need to set any of the debug stuff, I think meson
 458 # handles that for us
 459
 460 # TODO: ldflags
 461
 462 # TODO: texture-float (gallium/mesa only)
 463
 464 # TODO: cross-compiling. I don't think this is relavent to meson
 465
 466 # FIXME: enable asm when cross compiler
 467 # This is doable (autotools does it), but it's not of immediate concern
 468 if meson.is_cross_build()
 469   message('Cross compiling, disabling asm')
 470   with_asm = false
 471 endif
 472
 473 with_asm_arch = ''
 474 if with_asm
 475   # TODO: SPARC and PPC
 476   if host_machine.cpu_family() == 'x86'
 477     if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
 478       with_asm_arch = 'x86'
 479       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
 480                    '-DUSE_SSE_ASM']
 481     endif
 482   elif host_machine.cpu_family() == 'x86_64'
 483     if host_machine.system() == 'linux'
 484       with_asm_arch = 'x86_64'
 485       pre_args += ['-DUSE_X86_64_ASM']
 486     endif
 487   elif host_machine.cpu_family() == 'arm'
 488     if host_machine.system() == 'linux'
 489       with_asm_arch = 'arm'
 490       pre_args += ['-DUSE_ARM_ASM']
 491     endif
 492   elif host_machine.cpu_family() == 'aarch64'
 493     if host_machine.system() == 'linux'
 494       with_asm_arch = 'aarch64'
 495       pre_args += ['-DUSE_AARCH64_ASM']
 496     endif
 497   endif
 498 endif
 499
 500 # Check for standard headers and functions
 501 if cc.has_header_symbol('sys/sysmacros.h', 'major')
 502   pre_args += '-DMAJOR_IN_SYSMACROS'
 503 elif cc.has_header_symbol('sys/mkdev.h', 'major')
 504   pre_args += '-DMAJOR_IN_MKDEV'
 505 endif
 506
 507 foreach h : ['xlocale.h', 'sys/sysctl.h']
 508   if cc.has_header(h)
 509     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
 510   endif
 511 endforeach
 512
 513 foreach f : ['strtof', 'mkostemp', 'posix_memalign']
 514   if cc.has_function(f)
 515     pre_args += '-DHAVE_@0@'.format(f.to_upper())
 516   endif
 517 endforeach
 518
 519 # strtod locale support
 520 if cc.links('''
 521     #define _GNU_SOURCE
 522     #include <stdlib.h>
 523     #include <locale.h>
 524     #ifdef HAVE_XLOCALE_H
 525     #include <xlocale.h>
 526     #endif
 527     int main() {
 528       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 529       const char *s = "1.0";
 530       char *end;
 531       double d = strtod_l(s, end, loc);
 532       float f = strtod_l(s, end, loc);
 533       freelocale(loc);
 534       return 0;
 535     }''',
 536     extra_args : pre_args,
 537     name : 'strtod has locale support')
 538   pre_args += '-DHAVE_STRTOD_L'
 539 endif
 540
 541 # Check for some linker flags
 542 ld_args_bsymbolic = []
 543 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
 544   ld_args_bsymbolic += '-Wl,-Bsymbolic'
 545 endif
 546 ld_args_gc_sections = []
 547 if cc.links('static char unused() { return 5; } int main() { return 0; }',
 548             args : '-Wl,--gc-sections', name : 'gc-sections')
 549   ld_args_gc_sections += '-Wl,--gc-sections'
 550 endif
 551 with_ld_version_script = false
 552 if cc.links('int main() { return 0; }',
 553             args : '-Wl,--version-script=@0@'.format(
 554               join_paths(meson.source_root(), 'build-support/conftest.map')),
 555             name : 'version-script')
 556   with_ld_version_script = true
 557 endif
 558 with_ld_dynamic_list = false
 559 if cc.links('int main() { return 0; }',
 560             args : '-Wl,--dynamic-list=@0@'.format(
 561               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
 562             name : 'dynamic-list')
 563   with_ld_dynamic_list = true
 564 endif
 565
 566 # check for dl support
 567 if cc.has_function('dlopen')
 568   dep_dl = []
 569 else
 570   dep_dl = cc.find_library('dl')
 571 endif
 572 if cc.has_function('dladdr', dependencies : dep_dl)
 573   # This is really only required for megadrivers
 574   pre_args += '-DHAVE_DLADDR'
 575 endif
 576
 577 if cc.has_function('dl_iterate_phdr')
 578   pre_args += '-DHAVE_DL_ITERATE_PHDR'
 579 else
 580   # TODO: this is required for vulkan
 581 endif
 582
 583 # Determine whether or not the rt library is needed for time functions
 584 if cc.has_function('clock_gettime')
 585   dep_clock = []
 586 else
 587   dep_clock = cc.find_library('rt')
 588 endif
 589
 590 with_gallium_drisw_kms = false
 591 dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
 592                         required : with_dri2 or with_dri3)
 593 if dep_libdrm.found()
 594   pre_args += '-DHAVE_LIBDRM'
 595   if with_dri_platform == 'drm' and with_dri
 596     with_gallium_drisw_kms = true
 597   endif
 598 endif
 599
 600 # TODO: some of these may be conditional
 601 dep_zlib = dependency('zlib', version : '>= 1.2.3')
 602 dep_thread = dependency('threads')
 603 if dep_thread.found() and host_machine.system() == 'linux'
 604   pre_args += '-DHAVE_PTHREAD'
 605 endif
 606 dep_elf = dependency('libelf', required : false)
 607 if not dep_elf.found() and (with_amd_vk or with_gallium_radeonsi) # TODO: clover, r600
 608   dep_elf = cc.find_library('elf')
 609 endif
 610 dep_expat = dependency('expat')
 611 # this only exists on linux so either this is linux and it will be found, or
 612 # its not linux and and wont
 613 dep_m = cc.find_library('m', required : false)
 614
 615 dep_libdrm_amdgpu = []
 616 dep_libdrm_radeon = []
 617 dep_libdrm_nouveau = []
 618 dep_libdrm_etnaviv = []
 619 dep_libdrm_freedreno = []
 620 if with_amd_vk or with_gallium_radeonsi
 621   dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.85')
 622 endif
 623 if with_gallium_radeonsi # older radeon too
 624   dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
 625 endif
 626 if with_gallium_nouveau
 627   dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
 628 endif
 629 if with_gallium_etnaviv
 630   dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
 631 endif
 632 if with_gallium_freedreno
 633   dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.74')
 634 endif
 635
 636 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
 637 if with_amd_vk
 638   llvm_modules += ['amdgpu', 'bitreader', 'ipo']
 639 endif
 640 dep_llvm = dependency(
 641   'llvm', version : '>= 3.9.0', required : with_amd_vk, modules : llvm_modules,
 642 )
 643 if with_llvm
 644   if dep_llvm.found()
 645     _llvm_version = dep_llvm.version().split('.')
 646     # Development versions of LLVM have an 'svn' suffix, we don't want that for
 647     # our version checks.
 648     _llvm_patch = _llvm_version[2]
 649     if _llvm_patch.endswith('svn')
 650       _llvm_patch = _llvm_patch.split('s')[0]
 651     endif
 652     pre_args += [
 653       '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
 654       '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
 655     ]
 656   else
 657     if with_gallium_softpipe
 658       error('Cannot find LLVM to build LLVMPipe. If you wanted softpipe pass -Dllvm=false to meson')
 659     elif with_amd_vk or with_gallium_radeonsi # etc
 660       error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM was not found.')
 661     endif
 662   endif
 663 elif with_amd_vk or with_gallium_radeonsi
 664   error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM is disabled.')
 665 endif
 666
 667 dep_glvnd = []
 668 if with_glvnd
 669   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
 670   pre_args += '-DUSE_LIBGLVND=1'
 671 endif
 672
 673 # TODO: make this conditional
 674 dep_valgrind = dependency('valgrind', required : false)
 675 if dep_valgrind.found() and with_valgrind
 676   pre_args += '-DHAVE_VALGRIND'
 677 endif
 678
 679 # pthread stubs. Lets not and say we didn't
 680
 681 prog_bison = find_program('bison', required : with_any_opengl)
 682 prog_flex = find_program('flex', required : with_any_opengl)
 683
 684 # TODO: selinux
 685 dep_selinux = []
 686
 687 # TODO: llvm-prefix and llvm-shared-libs
 688
 689 dep_unwind = dependency('libunwind', required : false)
 690 if dep_unwind.found()
 691   pre_args += '-DHAVE_LIBUNWIND'
 692 endif
 693
 694 # TODO: flags for opengl, gles, dri
 695
 696 # TODO: gallium-hud
 697
 698 # TODO: glx provider
 699
 700 # TODO: osmesa provider
 701
 702 # TODO: symbol mangling
 703
 704 if with_platform_wayland
 705   prog_wl_scanner = find_program('wayland-scanner')
 706   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
 707   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
 708   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
 709   wayland_dmabuf_xml = join_paths(
 710     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
 711     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
 712   )
 713   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
 714 else
 715   prog_wl_scanner = []
 716   dep_wl_protocols = []
 717   dep_wayland_client = []
 718   dep_wayland_server = []
 719   wayland_dmabuf_xml = ''
 720 endif
 721
 722 dep_x11 = []
 723 dep_xext = []
 724 dep_xdamage = []
 725 dep_xfixes = []
 726 dep_x11_xcb = []
 727 dep_xcb_glx = []
 728 dep_xcb_dri2 = []
 729 dep_xcb_dri3 = []
 730 dep_dri2proto = []
 731 dep_glproto = []
 732 dep_xf86vm = []
 733 dep_xcb_dri3 = []
 734 dep_xcb_present = []
 735 dep_xcb_sync = []
 736 dep_xcb_xfixes = []
 737 dep_xshmfence = []
 738 if with_platform_x11
 739   if with_glx == 'dri' and with_dri_platform == 'drm'
 740     dep_x11 = dependency('x11')
 741     dep_xext = dependency('xext')
 742     dep_xdamage = dependency('xdamage', version : '>= 1.1')
 743     dep_xfixes = dependency('xfixes')
 744     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
 745     dep_xf86vm = dependency('xxf86vm', required : false)
 746   endif
 747   if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
 748     dep_xcb = dependency('xcb')
 749     dep_x11_xcb = dependency('x11-xcb')
 750     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
 751
 752     if with_dri3
 753       pre_args += '-DHAVE_DRI3'
 754       dep_xcb_dri3 = dependency('xcb-dri3')
 755       dep_xcb_present = dependency('xcb-present')
 756       dep_xcb_sync = dependency('xcb-sync')
 757       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
 758     endif
 759   endif
 760   if with_glx != 'disabled'
 761     dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
 762     dep_glproto = dependency('glproto', version : '>= 1.4.14')
 763   endif
 764   if with_egl
 765     dep_xcb_xfixes = dependency('xcb-xfixes')
 766   endif
 767 endif
 768
 769 # TODO: osmesa
 770
 771 # TODO: vallium G3DVL
 772
 773 # TODO: nine
 774
 775 # TODO: clover
 776
 777 # TODO: gallium tests
 778
 779 # TODO: various libdirs
 780
 781 # TODO: swr
 782
 783 # TODO: gallium driver dirs
 784
 785 # FIXME: this is a workaround for #2326
 786 prog_touch = find_program('touch')
 787 dummy_cpp = custom_target(
 788   'dummy_cpp',
 789   output : 'dummy.cpp',
 790   command : [prog_touch, '@OUTPUT@'],
 791 )
 792
 793 foreach a : pre_args
 794   add_project_arguments(a, language : ['c', 'cpp'])
 795 endforeach
 796 foreach a : c_args
 797   add_project_arguments(a, language : ['c'])
 798 endforeach
 799 foreach a : cpp_args
 800   add_project_arguments(a, language : ['cpp'])
 801 endforeach
 802
 803 inc_include = include_directories('include')
 804
 805 gl_priv_reqs = [
 806   'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
 807   'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
 808 ]
 809 if dep_xf86vm != [] and dep_xf86vm.found()
 810   gl_priv_reqs += 'xf86vm'
 811 endif
 812 if with_dri_platform == 'drm'
 813   gl_priv_reqs += 'xcb-dri2 >= 1.8'
 814 endif
 815
 816 gl_priv_libs = []
 817 if dep_thread.found()
 818   gl_priv_libs += ['-lpthread', '-pthread']
 819 endif
 820 if dep_m.found()
 821   gl_priv_libs += '-lm'
 822 endif
 823 if dep_dl.found()
 824   gl_priv_libs += '-ldl'
 825 endif
 826
 827 pkg = import('pkgconfig')
 828
 829 subdir('include')
 830 subdir('src')