meson.build 28.9 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
# Copyright © 2017 Intel Corporation

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

21 22 23
project(
  'mesa',
  ['c', 'cpp'],
24 25 26
  version : run_command(
    [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
  ).stdout(),
27 28
  license : 'MIT',
  meson_version : '>= 0.42',
29
  default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
30
)
31

Dylan Baker's avatar
Dylan Baker committed
32 33 34 35 36 37 38 39 40 41 42 43
# Arguments for the preprocessor, put these in a separate array from the C and
# C++ (cpp in meson terminology) arguments since they need to be added to the
# default arguments for both C and C++.
pre_args = [
  '-D__STDC_CONSTANT_MACROS',
  '-D__STDC_FORMAT_MACROS',
  '-D__STDC_LIMIT_MACROS',
  '-DVERSION="@0@"'.format(meson.project_version()),
  '-DPACKAGE_VERSION=VERSION',
  '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
]

44
with_vulkan_icd_dir = get_option('vulkan-icd-dir')
45 46
with_tests = get_option('build-tests')
with_valgrind = get_option('valgrind')
47
with_libunwind = get_option('libunwind')
Dylan Baker's avatar
Dylan Baker committed
48
with_asm = get_option('asm')
Dylan Baker's avatar
Dylan Baker committed
49
with_osmesa = get_option('osmesa')
50 51 52 53
if get_option('texture-float')
  pre_args += '-DTEXTURE_FLOAT_ENABLED'
  message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
endif
Dylan Baker's avatar
Dylan Baker committed
54

55 56 57 58 59
dri_drivers_path = get_option('dri-drivers-path')
if dri_drivers_path == ''
  dri_drivers_path = join_paths(get_option('libdir'), 'dri')
endif

Dylan Baker's avatar
Dylan Baker committed
60 61 62 63
with_gles1 = get_option('gles1')
with_gles2 = get_option('gles2')
with_opengl = get_option('opengl')
with_any_opengl = with_opengl or with_gles1 or with_gles2
Dylan Baker's avatar
Dylan Baker committed
64 65
# Only build shared_glapi if at least one OpenGL API is enabled
with_shared_glapi = get_option('shared-glapi') and with_any_opengl
Dylan Baker's avatar
Dylan Baker committed
66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81


# shared-glapi is required if at least two OpenGL APIs are being built
if not with_shared_glapi
  if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
      or (with_gles2 and with_opengl))
    error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
  endif
endif

# We require OpenGL for OpenGL ES
if (with_gles1 or with_gles2) and not with_opengl
  error('building OpenGL ES without OpenGL is not supported.')
endif

with_dri = false
Ville Syrjälä's avatar
Ville Syrjälä committed
82
with_dri_i915 = false
Dylan Baker's avatar
Dylan Baker committed
83
with_dri_i965 = false
Dylan Baker's avatar
Dylan Baker committed
84
with_dri_r100 = false
Dylan Baker's avatar
Dylan Baker committed
85
with_dri_r200 = false
86
with_dri_nouveau = false
Dylan Baker's avatar
Dylan Baker committed
87
with_dri_swrast = false
Dylan Baker's avatar
Dylan Baker committed
88
_drivers = get_option('dri-drivers')
89 90 91 92 93 94 95 96 97 98 99 100
if _drivers == 'auto'
  # TODO: PPC, Sparc
  if not ['darwin', 'windows'].contains(host_machine.system())
    if ['x86', 'x86_64'].contains(host_machine.cpu_family())
      _drivers = 'i915,i965,r100,r200,nouveau'
    else
      error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
    endif
  else
    error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
  endif
endif
Dylan Baker's avatar
Dylan Baker committed
101 102
if _drivers != ''
  _split = _drivers.split(',')
Ville Syrjälä's avatar
Ville Syrjälä committed
103
  with_dri_i915 = _split.contains('i915')
Dylan Baker's avatar
Dylan Baker committed
104
  with_dri_i965 = _split.contains('i965')
Dylan Baker's avatar
Dylan Baker committed
105
  with_dri_r100 = _split.contains('r100')
Dylan Baker's avatar
Dylan Baker committed
106
  with_dri_r200 = _split.contains('r200')
107
  with_dri_nouveau = _split.contains('nouveau')
Dylan Baker's avatar
Dylan Baker committed
108
  with_dri_swrast = _split.contains('swrast')
Dylan Baker's avatar
Dylan Baker committed
109 110 111
  with_dri = true
endif

Dylan Baker's avatar
Dylan Baker committed
112
with_gallium = false
113
with_gallium_pl111 = false
Dylan Baker's avatar
Dylan Baker committed
114
with_gallium_radeonsi = false
115
with_gallium_nouveau = false
Rob Clark's avatar
Rob Clark committed
116
with_gallium_freedreno = false
117
with_gallium_softpipe = false
118
with_gallium_vc4 = false
119
with_gallium_vc5 = false
120
with_gallium_etnaviv = false
Dylan Baker's avatar
Dylan Baker committed
121
with_gallium_imx = false
Dylan Baker's avatar
Dylan Baker committed
122
_drivers = get_option('gallium-drivers')
123 124 125 126 127 128 129 130 131 132 133 134 135 136
if _drivers == 'auto'
  if not ['darwin', 'windows'].contains(host_machine.system())
    # TODO: PPC, Sparc
    if ['x86', 'x86_64'].contains(host_machine.cpu_family())
      _drivers = 'radeonsi,nouveau,swrast'
    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
      _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,swrast'
    else
      error('Unknown architecture. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
    endif
  else
    error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
  endif
endif
Dylan Baker's avatar
Dylan Baker committed
137 138
if _drivers != ''
  _split = _drivers.split(',')
139
  with_gallium_pl111 = _split.contains('pl111')
Dylan Baker's avatar
Dylan Baker committed
140
  with_gallium_radeonsi = _split.contains('radeonsi')
141
  with_gallium_nouveau = _split.contains('nouveau')
Rob Clark's avatar
Rob Clark committed
142
  with_gallium_freedreno = _split.contains('freedreno')
Dylan Baker's avatar
Dylan Baker committed
143
  with_gallium_softpipe = _split.contains('swrast')
144
  with_gallium_vc4 = _split.contains('vc4')
145
  with_gallium_vc5 = _split.contains('vc5')
146
  with_gallium_etnaviv = _split.contains('etnaviv')
Dylan Baker's avatar
Dylan Baker committed
147
  with_gallium_imx = _split.contains('imx')
Dylan Baker's avatar
Dylan Baker committed
148
  with_gallium = true
Ville Syrjälä's avatar
Ville Syrjälä committed
149 150
endif

151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173
with_intel_vk = false
with_amd_vk = false
with_any_vk = false
_vulkan_drivers = get_option('vulkan-drivers')
if _vulkan_drivers == 'auto'
  if not ['darwin', 'windows'].contains(host_machine.system())
    if host_machine.cpu_family().startswith('x86')
      _vulkan_drivers = 'amd,intel'
    else
      error('Unknown architecture. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
    endif
  else
    # No vulkan driver supports windows or macOS currently
    _vulkan_drivers = ''
  endif
endif
if _vulkan_drivers != ''
  _split = _vulkan_drivers.split(',')
  with_intel_vk = _split.contains('intel')
  with_amd_vk = _split.contains('amd')
  with_any_vk = with_amd_vk or with_intel_vk
endif

Dylan Baker's avatar
Dylan Baker committed
174 175 176
if with_dri_swrast and with_gallium_softpipe
  error('Only one swrast provider can be built')
endif
Dylan Baker's avatar
Dylan Baker committed
177 178 179
if with_gallium_imx and not with_gallium_etnaviv
  error('IMX driver requires etnaviv driver')
endif
Dylan Baker's avatar
Dylan Baker committed
180

Dylan Baker's avatar
Dylan Baker committed
181 182 183 184 185
dep_libdrm_intel = []
if with_dri_i915
  dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
endif

186 187 188 189 190 191 192 193 194 195 196 197 198 199
if host_machine.system() == 'darwin'
  with_dri_platform = 'apple'
elif ['windows', 'cygwin'].contains(host_machine.system())
  with_dri_platform = 'windows'
elif host_machine.system() == 'linux'
  # FIXME: This should include BSD and possibly other systems
  with_dri_platform = 'drm'
else
  # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
  # assert here that one of those cases has been met.
  # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
  # support Hurd at time of writing (2017/11)
  with_dri_platform = 'none'
endif
Dylan Baker's avatar
Dylan Baker committed
200

Eric Engestrom's avatar
Eric Engestrom committed
201
with_platform_android = false
202 203
with_platform_wayland = false
with_platform_x11 = false
Dylan Baker's avatar
Dylan Baker committed
204
with_platform_drm = false
Dylan Baker's avatar
Dylan Baker committed
205 206
with_platform_surfaceless = false
egl_native_platform = ''
207
_platforms = get_option('platforms')
Dylan Baker's avatar
Dylan Baker committed
208 209 210 211 212 213 214
if _platforms == 'auto'
  if ['linux'].contains(host_machine.system())
    _platforms = 'x11,wayland,drm,surfaceless'
  else
    error('Unknown OS, no platforms enabled. Patches gladly accepted to fix this.')
  endif
endif
215 216
if _platforms != ''
  _split = _platforms.split(',')
Eric Engestrom's avatar
Eric Engestrom committed
217
  with_platform_android = _split.contains('android')
218 219
  with_platform_x11 = _split.contains('x11')
  with_platform_wayland = _split.contains('wayland')
Dylan Baker's avatar
Dylan Baker committed
220
  with_platform_drm = _split.contains('drm')
Dylan Baker's avatar
Dylan Baker committed
221 222
  with_platform_surfaceless = _split.contains('surfaceless')
  egl_native_platform = _split[0]
223 224
endif

Dylan Baker's avatar
Dylan Baker committed
225 226 227 228 229
with_glx = get_option('glx')
if with_glx == 'auto'
  if with_dri
    with_glx = 'dri'
  elif with_gallium
230 231 232
    # Even when building just gallium drivers the user probably wants dri
    with_glx = 'dri'
    with_dri = true
Dylan Baker's avatar
Dylan Baker committed
233 234 235 236 237 238 239 240 241
  elif with_platform_x11 and with_any_opengl and not with_any_vk
    # The automatic behavior should not be to turn on xlib based glx when
    # building only vulkan drivers
    with_glx = 'xlib'
  else
    with_glx = 'disabled'
  endif
endif

242
if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
Dylan Baker's avatar
Dylan Baker committed
243 244 245 246 247 248 249
  with_gles1 = false
  with_gles2 = false
  with_opengl = false
  with_any_opengl = false
  with_shared_glapi = false
endif

Dylan Baker's avatar
Dylan Baker committed
250 251 252
with_gbm = get_option('gbm')
if with_gbm == 'auto' and with_dri  # TODO: or gallium
  with_gbm = host_machine.system() == 'linux'
253
elif with_gbm == 'true'
Dylan Baker's avatar
Dylan Baker committed
254 255 256 257 258 259 260 261
  if not ['linux', 'bsd'].contains(host_machine.system())
    error('GBM only supports unix-like platforms')
  endif
  with_gbm = true
else
  with_gbm = false
endif

Dylan Baker's avatar
Dylan Baker committed
262 263 264
_egl = get_option('egl')
if _egl == 'auto'
  with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
265
elif _egl == 'true'
Dylan Baker's avatar
Dylan Baker committed
266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282
  if not with_dri
    error('EGL requires dri')
  elif not with_shared_glapi
    error('EGL requires shared-glapi')
  elif egl_native_platform == ''
    error('No platforms specified, consider -Dplatforms=drm,x11 at least')
  endif
  with_egl = true
else
  with_egl = false
endif

# TODO: or virgl
if with_egl and with_gallium_radeonsi and not (with_platform_drm or with_platform_surfaceless)
  error('RadeonSI requires drm or surfaceless platform when using EGL')
endif

Dylan Baker's avatar
Dylan Baker committed
283
pre_args += '-DGLX_USE_TLS'
Dylan Baker's avatar
Dylan Baker committed
284
if with_glx != 'disabled'
285 286 287 288 289 290
  if not (with_platform_x11 and with_any_opengl)
    if with_glx == 'auto'
      with_glx = 'disabled'
    else
      error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
    endif
Dylan Baker's avatar
Dylan Baker committed
291 292 293
  elif with_glx == 'gallium-xlib' 
    if not with_gallium
      error('Gallium-xlib based GLX requires at least one gallium driver')
294 295
    elif not with_gallium_softpipe
      error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
Dylan Baker's avatar
Dylan Baker committed
296 297 298
    elif with_dri
      error('gallium-xlib conflicts with any dri driver')
    endif
Dylan Baker's avatar
Dylan Baker committed
299
  elif with_glx == 'xlib' 
Dylan Baker's avatar
Dylan Baker committed
300
    if with_dri
Dylan Baker's avatar
Dylan Baker committed
301
      error('xlib conflicts with any dri driver')
Dylan Baker's avatar
Dylan Baker committed
302
    endif
Dylan Baker's avatar
Dylan Baker committed
303 304
  elif with_glx == 'dri' and not with_dri
    error('dri based GLX requires at least one DRI driver')
Dylan Baker's avatar
Dylan Baker committed
305 306 307 308
  endif
endif

with_glvnd = get_option('glvnd')
309 310 311 312 313 314
if with_glvnd
  if with_glx == 'xlib' or with_glx == 'gallium-xlib'
    error('Cannot build glvnd support for GLX that is not DRI based.')
  elif with_glx == 'disabled' and not with_egl
    error('glvnd requires DRI based GLX and/or EGL')
  endif
Dylan Baker's avatar
Dylan Baker committed
315 316 317 318 319
endif

# TODO: toggle for this
with_glx_direct = true

320 321 322 323
if with_vulkan_icd_dir == ''
  with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
endif

324 325 326 327 328 329 330 331
with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
with_dri3 = get_option('dri3')
if with_dri3 == 'auto'
  if host_machine.system() == 'linux' and with_dri2
    with_dri3 = true
  else
    with_dri3 = false
 endif
332
elif with_dri3 == 'true'
333 334 335 336 337 338 339 340
  with_dri3 = true
else
  with_dri3 = false
endif

if with_any_vk and (with_platform_x11 and not with_dri3)
  error('Vulkan drivers require dri3 for X11 support')
endif
Dylan Baker's avatar
Dylan Baker committed
341
if with_dri or with_gallium
Dylan Baker's avatar
Dylan Baker committed
342
  if with_glx == 'disabled' and not with_egl
Dylan Baker's avatar
Dylan Baker committed
343 344
    error('building dri or gallium drivers require at least one window system')
  endif
345 346
endif

347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363
with_gallium_xvmc = false
with_gallium_vdpau = false
with_gallium_omx = false  # this is bellagio
with_gallium_va = false
with_gallium_media = false
dep_va = []
_drivers = get_option('gallium-media')
if _drivers != ''
  _split = _drivers.split(',')
  with_gallium_xvmc = _split.contains('xvmc')
  with_gallium_vdpau = _split.contains('vdpau')
  with_gallium_omx = _split.contains('omx')
  with_gallium_va = _split.contains('va')
  with_gallium_media = (with_gallium_xvmc or with_gallium_vdpau or
                        with_gallium_omx or with_gallium_va)
endif

Dylan Baker's avatar
Dylan Baker committed
364
gl_pkgconfig_c_flags = []
365 366 367 368
if with_platform_x11
  if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
    pre_args += '-DHAVE_X11_PLATFORM'
  endif
369
  if with_glx == 'xlib' or with_glx == 'gallium-xlib'
Dylan Baker's avatar
Dylan Baker committed
370
    pre_args += '-DUSE_XSHM'
371 372 373 374 375 376 377 378 379
  else
    pre_args += '-DGLX_INDIRECT_RENDERING'
    if with_glx_direct
      pre_args += '-DGLX_DIRECT_RENDERING'
    endif
    if with_dri_platform == 'drm'
      pre_args += '-DGLX_USE_DRM'
    endif
  endif
Dylan Baker's avatar
Dylan Baker committed
380 381 382 383 384 385 386 387 388 389 390 391
else
  pre_args += '-DMESA_EGL_NO_X11_HEADERS'
  gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
endif
if with_platform_drm
  if with_egl and not with_gbm
    error('EGL drm platform requires gbm')
  endif
  pre_args += '-DHAVE_DRM_PLATFORM'
endif
if with_platform_surfaceless
  pre_args += '-DHAVE_SURFACELESS_PLATFORM'
392
endif
Eric Engestrom's avatar
Eric Engestrom committed
393 394 395 396 397 398 399 400
if with_platform_android
  dep_android = [
    dependency('cutils'),
    dependency('hardware'),
    dependency('sync'),
  ]
  pre_args += '-DHAVE_ANDROID_PLATFORM'
endif
401

402
prog_python2 = find_program('python2')
Dylan Baker's avatar
Dylan Baker committed
403 404 405 406
has_mako = run_command(prog_python2, '-c', 'import mako')
if has_mako.returncode() != 0
  error('Python (2.x) mako module required to build mesa.')
endif
407 408 409

cc = meson.get_compiler('c')
if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
410
  error('When using GCC, version 4.4.6 or later is required.')
411 412
endif

413 414
# Define DEBUG for debug builds only (debugoptimized is not included on this one)
if get_option('buildtype') == 'debug'
415 416 417
  pre_args += '-DDEBUG'
endif

418 419 420 421 422 423
if get_option('shader-cache')
  pre_args += '-DENABLE_SHADER_CACHE'
elif with_amd_vk
  error('Radv requires shader cache support')
endif

424 425 426 427 428 429 430 431
# Check for GCC style builtins
foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
             'ffsll', 'popcount', 'popcountll', 'unreachable']
  if cc.has_function(b)
    pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
  endif
endforeach

432
# check for GCC __attribute__
433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517
foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
             'warn_unused_result', 'weak',]
  if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
                 name : '__attribute__((@0@))'.format(a))
    pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
  endif
endforeach
if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
               name : '__attribute__((format(...)))')
  pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
endif
if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
               name : '__attribute__((packed))')
  pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
endif
if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
               name : '__attribute__((returns_nonnull))')
  pre_args += '-DHAVE_FUNC_ATTRIBUTE_NONNULL'
endif
if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
                  int foo_hid(void) __attribute__((visibility("hidden")));
                  int foo_int(void) __attribute__((visibility("internal")));
                  int foo_pro(void) __attribute__((visibility("protected")));''',
               name : '__attribute__((visibility(...)))')
  pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISBILITY'
endif
if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
               name : '__attribute__((alias(...)))')
  pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
endif

# TODO: this is very incomplete
if host_machine.system() == 'linux'
  pre_args += '-D_GNU_SOURCE'
endif

# Check for generic C arguments
c_args = []
foreach a : ['-Wall', '-Werror=implicit-function-declaration',
             '-Werror=missing-prototypes', '-fno-math-errno',
             '-fno-trapping-math', '-Qunused-arguments']
  if cc.has_argument(a)
    c_args += a
  endif
endforeach
c_vis_args = []
if cc.has_argument('-fvisibility=hidden')
  c_vis_args += '-fvisibility=hidden'
endif

# Check for generic C++ arguments
cpp = meson.get_compiler('cpp')
cpp_args = []
foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
             '-Qunused-arguments', '-Wno-non-virtual-dtor']
  if cpp.has_argument(a)
    cpp_args += a
  endif
endforeach
cpp_vis_args = []
if cpp.has_argument('-fvisibility=hidden')
  cpp_vis_args += '-fvisibility=hidden'
endif

# Check for C and C++ arguments for MSVC2013 compatibility. These are only used
# in parts of the mesa code base that need to compile with old versions of
# MSVC, mainly common code
c_msvc_compat_args = []
cpp_msvc_compat_args = []
foreach a : ['-Werror=pointer-arith', '-Werror=vla']
  if cc.has_argument(a)
    c_msvc_compat_args += a
  endif
  if cpp.has_argument(a)
    cpp_msvc_compat_args += a
  endif
endforeach

no_override_init_args = []
foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
  if cc.has_argument(a)
    no_override_init_args += a
  endif
endforeach

518 519 520 521 522 523 524 525 526 527 528 529 530 531
if host_machine.cpu_family().startswith('x86')
  pre_args += '-DHAVE_SSE41'
  with_sse41 = true
  sse41_args = ['-msse4.1']

  # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
  # that's not guaranteed
  if host_machine.cpu_family() == 'x86'
    sse41_args += '-mstackrealign'
  endif
else
  with_sse41 = false
  sse41_args = []
endif
532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550

# Check for GCC style atomics
if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }',
               name : 'GCC atomic builtins')
  pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
endif
if not cc.links('''#include <stdint.h>
                   uint64_t v;
                   int main() {
                     return __sync_add_and_fetch(&v, (uint64_t)1);
                   }''',
                name : 'GCC 64bit atomics')
  pre_args += '-DMISSING_64_BIT_ATOMICS'
endif

# TODO: endian
# TODO: powr8
# TODO: shared/static? Is this even worth doing?

551 552 553 554 555 556 557 558 559 560
# Building x86 assembly code requires running x86 binaries. It is possible for
# x86_64 OSes to run x86 binaries, so don't disable asm in those cases
# TODO: it should be possible to use an exe_wrapper to run the binary during
# the build. 
if meson.is_cross_build() 
  if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
          and build_machine.system() == host_machine.system())
    message('Cross compiling to x86 from non-x86, disabling asm')
    with_asm = false
  endif
Dylan Baker's avatar
Dylan Baker committed
561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588
endif

with_asm_arch = ''
if with_asm
  # TODO: SPARC and PPC
  if host_machine.cpu_family() == 'x86'
    if ['linux', 'bsd'].contains(host_machine.system()) # FIXME: hurd?
      with_asm_arch = 'x86'
      pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
                   '-DUSE_SSE_ASM']
    endif
  elif host_machine.cpu_family() == 'x86_64'
    if host_machine.system() == 'linux'
      with_asm_arch = 'x86_64'
      pre_args += ['-DUSE_X86_64_ASM']
    endif
  elif host_machine.cpu_family() == 'arm'
    if host_machine.system() == 'linux'
      with_asm_arch = 'arm'
      pre_args += ['-DUSE_ARM_ASM']
    endif
  elif host_machine.cpu_family() == 'aarch64'
    if host_machine.system() == 'linux'
      with_asm_arch = 'aarch64'
      pre_args += ['-DUSE_AARCH64_ASM']
    endif
  endif
endif
589 590 591 592 593 594 595 596

# Check for standard headers and functions
if cc.has_header_symbol('sys/sysmacros.h', 'major')
  pre_args += '-DMAJOR_IN_SYSMACROS'
elif cc.has_header_symbol('sys/mkdev.h', 'major')
  pre_args += '-DMAJOR_IN_MKDEV'
endif

597
foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h']
598 599 600 601 602
  if cc.has_header(h)
    pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
  endif
endforeach

603
foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get']
604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632
  if cc.has_function(f)
    pre_args += '-DHAVE_@0@'.format(f.to_upper())
  endif
endforeach

# strtod locale support
if cc.links('''
    #define _GNU_SOURCE
    #include <stdlib.h>
    #include <locale.h>
    #ifdef HAVE_XLOCALE_H
    #include <xlocale.h>
    #endif
    int main() {
      locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
      const char *s = "1.0";
      char *end;
      double d = strtod_l(s, end, loc);
      float f = strtod_l(s, end, loc);
      freelocale(loc);
      return 0;
    }''',
    extra_args : pre_args,
    name : 'strtod has locale support')
  pre_args += '-DHAVE_STRTOD_L'
endif

# Check for some linker flags
ld_args_bsymbolic = []
633
if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
634 635 636 637
  ld_args_bsymbolic += '-Wl,-Bsymbolic'
endif
ld_args_gc_sections = []
if cc.links('static char unused() { return 5; } int main() { return 0; }',
638
            args : '-Wl,--gc-sections', name : 'gc-sections')
639 640
  ld_args_gc_sections += '-Wl,--gc-sections'
endif
641 642 643 644 645 646 647 648 649 650 651 652 653 654
with_ld_version_script = false
if cc.links('int main() { return 0; }',
            args : '-Wl,--version-script=@0@'.format(
              join_paths(meson.source_root(), 'build-support/conftest.map')),
            name : 'version-script')
  with_ld_version_script = true
endif
with_ld_dynamic_list = false
if cc.links('int main() { return 0; }',
            args : '-Wl,--dynamic-list=@0@'.format(
              join_paths(meson.source_root(), 'build-support/conftest.dyn')),
            name : 'dynamic-list')
  with_ld_dynamic_list = true
endif
655 656 657 658 659 660 661

# check for dl support
if cc.has_function('dlopen')
  dep_dl = []
else
  dep_dl = cc.find_library('dl')
endif
Dylan Baker's avatar
Dylan Baker committed
662 663 664
if cc.has_function('dladdr', dependencies : dep_dl)
  # This is really only required for megadrivers
  pre_args += '-DHAVE_DLADDR'
665 666 667 668
endif

if cc.has_function('dl_iterate_phdr')
  pre_args += '-DHAVE_DL_ITERATE_PHDR'
669 670 671 672
elif with_intel_vk
  error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
elif with_dri_i965 and get_option('shader-cache')
  error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
673 674 675 676 677 678 679 680 681
endif

# Determine whether or not the rt library is needed for time functions
if cc.has_function('clock_gettime')
  dep_clock = []
else
  dep_clock = cc.find_library('rt')
endif

682
with_gallium_drisw_kms = false
683 684 685 686
dep_libdrm = dependency('libdrm', version : '>= 2.4.75',
                        required : with_dri2 or with_dri3)
if dep_libdrm.found()
  pre_args += '-DHAVE_LIBDRM'
687 688 689
  if with_dri_platform == 'drm' and with_dri
    with_gallium_drisw_kms = true
  endif
690 691
endif

692 693 694
# TODO: some of these may be conditional
dep_zlib = dependency('zlib', version : '>= 1.2.3')
dep_thread = dependency('threads')
695
if dep_thread.found() and host_machine.system() != 'windows'
696 697
  pre_args += '-DHAVE_PTHREAD'
endif
698
dep_elf = dependency('libelf', required : false)
699 700
if not dep_elf.found() and (with_amd_vk or with_gallium_radeonsi) # TODO: clover, r600
  dep_elf = cc.find_library('elf')
701
endif
702 703 704 705
dep_expat = dependency('expat')
# this only exists on linux so either this is linux and it will be found, or
# its not linux and and wont
dep_m = cc.find_library('m', required : false)
Dylan Baker's avatar
Dylan Baker committed
706 707 708

dep_libdrm_amdgpu = []
dep_libdrm_radeon = []
709
dep_libdrm_nouveau = []
710
dep_libdrm_etnaviv = []
Rob Clark's avatar
Rob Clark committed
711
dep_libdrm_freedreno = []
Dylan Baker's avatar
Dylan Baker committed
712
if with_amd_vk or with_gallium_radeonsi
713
  dep_libdrm_amdgpu = dependency('libdrm_amdgpu', version : '>= 2.4.88')
Dylan Baker's avatar
Dylan Baker committed
714
endif
Dylan Baker's avatar
Dylan Baker committed
715
if with_gallium_radeonsi or with_dri_r100 or with_dri_r200
Dylan Baker's avatar
Dylan Baker committed
716 717
  dep_libdrm_radeon = dependency('libdrm_radeon', version : '>= 2.4.71')
endif
718
if with_gallium_nouveau or with_dri_nouveau
719 720
  dep_libdrm_nouveau = dependency('libdrm_nouveau', version : '>= 2.4.66')
endif
721 722 723
if with_gallium_etnaviv
  dep_libdrm_etnaviv = dependency('libdrm_etnaviv', version : '>= 2.4.82')
endif
Rob Clark's avatar
Rob Clark committed
724 725 726
if with_gallium_freedreno
  dep_libdrm_freedreno = dependency('libdrm_freedreno', version : '>= 2.4.74')
endif
727 728

llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
729
if with_amd_vk or with_gallium_radeonsi
730 731
  llvm_modules += ['amdgpu', 'bitreader', 'ipo']
endif
732 733 734

_llvm = get_option('llvm')
if _llvm == 'auto'
735
  dep_llvm = dependency(
736
    'llvm', version : '>= 3.9.0', modules : llvm_modules,
737
    required : with_amd_vk or with_gallium_radeonsi,
738
  )
739 740 741 742 743 744 745 746 747 748 749 750 751 752 753
  with_llvm = dep_llvm.found()
elif _llvm == 'true'
  dep_llvm = dependency('llvm', version : '>= 3.9.0', modules : llvm_modules)
  with_llvm = true
else
  dep_llvm = []
  with_llvm = false
endif
if with_llvm
  _llvm_version = dep_llvm.version().split('.')
  # Development versions of LLVM have an 'svn' suffix, we don't want that for
  # our version checks.
  _llvm_patch = _llvm_version[2]
  if _llvm_patch.endswith('svn')
    _llvm_patch = _llvm_patch.split('s')[0]
754
  endif
755 756 757 758
  pre_args += [
    '-DHAVE_LLVM=0x0@0@@1@@2@'.format(_llvm_version[0], _llvm_version[1], _llvm_patch),
    '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
  ]
Dylan Baker's avatar
Dylan Baker committed
759 760
elif with_amd_vk or with_gallium_radeonsi
  error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM is disabled.')
761
endif
762

Dylan Baker's avatar
Dylan Baker committed
763 764 765 766 767 768
dep_glvnd = []
if with_glvnd
  dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
  pre_args += '-DUSE_LIBGLVND=1'
endif

769 770 771 772 773 774 775
if with_valgrind != 'false'
  dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
  if dep_valgrind.found()
    pre_args += '-DHAVE_VALGRIND'
  endif
else
  dep_valgrind = []
776 777 778 779
endif

# pthread stubs. Lets not and say we didn't

Dylan Baker's avatar
Dylan Baker committed
780 781 782 783
prog_bison = find_program('bison', required : with_any_opengl)
prog_flex = find_program('flex', required : with_any_opengl)

dep_selinux = []
Eric Engestrom's avatar
Eric Engestrom committed
784 785 786 787
if get_option('selinux')
  dep_selinux = dependency('libselinux')
  pre_args += '-DMESA_SELINUX'
endif
788 789 790

# TODO: llvm-prefix and llvm-shared-libs

791 792 793 794 795 796 797
if with_libunwind != 'false'
  dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
  if dep_unwind.found()
    pre_args += '-DHAVE_LIBUNWIND'
  endif
else
  dep_unwind = []
Dylan Baker's avatar
Dylan Baker committed
798
endif
799 800 801

# TODO: gallium-hud

Dylan Baker's avatar
Dylan Baker committed
802 803 804 805
if with_osmesa != 'none'
  if with_osmesa == 'classic' and not with_dri_swrast
    error('OSMesa classic requires dri (classic) swrast.')
  endif
806 807 808
  if with_osmesa == 'gallium' and not with_gallium_softpipe
    error('OSMesa gallium requires gallium softpipe or llvmpipe.')
  endif
Dylan Baker's avatar
Dylan Baker committed
809 810 811 812 813 814 815 816 817 818 819 820
  osmesa_lib_name = 'OSMesa'
  osmesa_bits = get_option('osmesa-bits')
  if osmesa_bits != '8'
    if with_dri or with_glx != 'disabled'
      error('OSMesa bits must be 8 if building glx or dir based drivers')
    endif
    osmesa_lib_name = osmesa_lib_name + osmesa_bits
    pre_args += [
      '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
    ]
  endif
endif
821 822 823 824 825 826 827 828

# TODO: symbol mangling

if with_platform_wayland
  prog_wl_scanner = find_program('wayland-scanner')
  dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
  dep_wayland_client = dependency('wayland-client', version : '>=1.11')
  dep_wayland_server = dependency('wayland-server', version : '>=1.11')
Dylan Baker's avatar
Dylan Baker committed
829 830 831 832 833
  wayland_dmabuf_xml = join_paths(
    dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
    'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
  )
  pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
834 835 836 837 838
else
  prog_wl_scanner = []
  dep_wl_protocols = []
  dep_wayland_client = []
  dep_wayland_server = []
Dylan Baker's avatar
Dylan Baker committed
839
  wayland_dmabuf_xml = ''
840 841
endif

842 843 844 845 846
dep_x11 = []
dep_xext = []
dep_xdamage = []
dep_xfixes = []
dep_x11_xcb = []
Dylan Baker's avatar
Dylan Baker committed
847
dep_xcb = []
848
dep_xcb_glx = []
849 850
dep_xcb_dri2 = []
dep_xcb_dri3 = []
Dylan Baker's avatar
Dylan Baker committed
851 852
dep_dri2proto = []
dep_glproto = []
853
dep_xxf86vm = []
854 855 856
dep_xcb_dri3 = []
dep_xcb_present = []
dep_xcb_sync = []
Dylan Baker's avatar
Dylan Baker committed
857
dep_xcb_xfixes = []
858
dep_xshmfence = []
859
if with_platform_x11
860
  if with_glx == 'xlib' or with_glx == 'gallium-xlib'
Dylan Baker's avatar
Dylan Baker committed
861 862 863 864
    dep_x11 = dependency('x11')
    dep_xext = dependency('xext')
    dep_xcb = dependency('xcb')
  elif with_glx == 'dri' and with_dri_platform == 'drm'
865 866 867 868 869
    dep_x11 = dependency('x11')
    dep_xext = dependency('xext')
    dep_xdamage = dependency('xdamage', version : '>= 1.1')
    dep_xfixes = dependency('xfixes')
    dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
870
    dep_xxf86vm = dependency('xxf86vm', required : false)
Dylan Baker's avatar
Dylan Baker committed
871 872
  endif
  if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
873 874 875 876
    dep_xcb = dependency('xcb')
    dep_x11_xcb = dependency('x11-xcb')
    dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')

Dylan Baker's avatar
Dylan Baker committed
877 878
    if with_dri3
      pre_args += '-DHAVE_DRI3'
879 880 881 882
      dep_xcb_dri3 = dependency('xcb-dri3')
      dep_xcb_present = dependency('xcb-present')
      dep_xcb_sync = dependency('xcb-sync')
      dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
Dylan Baker's avatar
Dylan Baker committed
883
    endif
884
  endif
Dylan Baker's avatar
Dylan Baker committed
885
  if with_glx == 'dri'
886 887 888
    dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
    dep_glproto = dependency('glproto', version : '>= 1.4.14')
  endif
Dylan Baker's avatar
Dylan Baker committed
889 890 891
  if with_egl
    dep_xcb_xfixes = dependency('xcb-xfixes')
  endif
892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925
endif

# TODO: nine

# TODO: clover

# TODO: gallium tests

# TODO: various libdirs

# TODO: swr

# TODO: gallium driver dirs

# FIXME: this is a workaround for #2326
prog_touch = find_program('touch')
dummy_cpp = custom_target(
  'dummy_cpp',
  output : 'dummy.cpp',
  command : [prog_touch, '@OUTPUT@'],
)

foreach a : pre_args
  add_project_arguments(a, language : ['c', 'cpp'])
endforeach
foreach a : c_args
  add_project_arguments(a, language : ['c'])
endforeach
foreach a : cpp_args
  add_project_arguments(a, language : ['cpp'])
endforeach

inc_include = include_directories('include')

Dylan Baker's avatar
Dylan Baker committed
926 927 928 929
gl_priv_reqs = [
  'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
  'xcb-glx >= 1.8.1', 'libdrm >= 2.4.75',
]
930
if dep_xxf86vm != [] and dep_xxf86vm.found()
931
  gl_priv_reqs += 'xxf86vm'
Dylan Baker's avatar
Dylan Baker committed
932 933 934 935 936 937 938 939 940 941 942 943
endif
if with_dri_platform == 'drm'
  gl_priv_reqs += 'xcb-dri2 >= 1.8'
endif

gl_priv_libs = []
if dep_thread.found()
  gl_priv_libs += ['-lpthread', '-pthread']
endif
if dep_m.found()
  gl_priv_libs += '-lm'
endif
944
if dep_dl != [] and dep_dl.found()
Dylan Baker's avatar
Dylan Baker committed
945 946 947
  gl_priv_libs += '-ldl'
endif

Dylan Baker's avatar
Dylan Baker committed
948 949
pkg = import('pkgconfig')

950
subdir('include')
951
subdir('bin')
952
subdir('src')