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