meson.build 45.2 KB
Newer Older
1
# Copyright © 2017-2018 Intel Corporation
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

# 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
  license : 'MIT',
28 29
  meson_version : '>= 0.45',
  default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++11']
30
)
31

32 33 34
cc = meson.get_compiler('c')
cpp = meson.get_compiler('cpp')

35 36
null_dep = dependency('', required : false)

37 38
system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())

Dylan Baker's avatar
Dylan Baker committed
39 40 41 42 43 44 45 46 47 48 49 50
# 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"',
]

51
with_vulkan_icd_dir = get_option('vulkan-icd-dir')
52 53
with_tests = get_option('build-tests')
with_valgrind = get_option('valgrind')
54
with_libunwind = get_option('libunwind')
Dylan Baker's avatar
Dylan Baker committed
55
with_asm = get_option('asm')
56
with_glx_read_only_text = get_option('glx-read-only-text')
Dylan Baker's avatar
Dylan Baker committed
57
with_osmesa = get_option('osmesa')
Dylan Baker's avatar
Dylan Baker committed
58 59
with_swr_arches = get_option('swr-arches')
with_tools = get_option('tools')
60
if with_tools.contains('all')
61
  with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
62
endif
Dylan Baker's avatar
Dylan Baker committed
63

64 65 66 67
dri_drivers_path = get_option('dri-drivers-path')
if dri_drivers_path == ''
  dri_drivers_path = join_paths(get_option('libdir'), 'dri')
endif
68 69 70 71
dri_search_path = get_option('dri-search-path')
if dri_search_path == ''
  dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
endif
72

Dylan Baker's avatar
Dylan Baker committed
73 74 75 76
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
77 78
# 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
79 80 81 82 83 84 85 86 87 88 89 90 91 92 93


# 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

94 95
system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())

Dylan Baker's avatar
Dylan Baker committed
96
_drivers = get_option('dri-drivers')
Dylan Baker's avatar
Dylan Baker committed
97
if _drivers.contains('auto')
98
  if system_has_kms_drm
99
    # TODO: PPC, Sparc
100
    if ['x86', 'x86_64'].contains(host_machine.cpu_family())
Dylan Baker's avatar
Dylan Baker committed
101
      _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
102
    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
103
      _drivers = []
104
    else
105 106
      error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
            host_machine.cpu_family()))
107
    endif
108
  elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
109
    # only swrast would make sense here, but gallium swrast is a much better default
110
    _drivers = []
111
  else
112 113
    error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
          host_machine.system()))
114 115
  endif
endif
Eric Engestrom's avatar
Eric Engestrom committed
116 117 118 119 120 121 122 123 124

with_dri_i915 = _drivers.contains('i915')
with_dri_i965 = _drivers.contains('i965')
with_dri_r100 = _drivers.contains('r100')
with_dri_r200 = _drivers.contains('r200')
with_dri_nouveau = _drivers.contains('nouveau')
with_dri_swrast = _drivers.contains('swrast')

with_dri = _drivers.length() != 0 and _drivers != ['']
Dylan Baker's avatar
Dylan Baker committed
125

Dylan Baker's avatar
Dylan Baker committed
126
_drivers = get_option('gallium-drivers')
Dylan Baker's avatar
Dylan Baker committed
127
if _drivers.contains('auto')
128
  if system_has_kms_drm
129 130
    # TODO: PPC, Sparc
    if ['x86', 'x86_64'].contains(host_machine.cpu_family())
Dylan Baker's avatar
Dylan Baker committed
131 132 133
      _drivers = [
        'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
      ]
134
    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
Dylan Baker's avatar
Dylan Baker committed
135
      _drivers = [
136
        'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
Dylan Baker's avatar
Dylan Baker committed
137 138
        'tegra', 'virgl', 'swrast',
      ]
139
    else
140 141
      error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
            host_machine.cpu_family()))
142
    endif
143
  elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
Dylan Baker's avatar
Dylan Baker committed
144
    _drivers = ['swrast']
145
  else
146 147
    error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
          host_machine.system()))
148 149
  endif
endif
Eric Engestrom's avatar
Eric Engestrom committed
150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173
with_gallium_pl111 = _drivers.contains('pl111')
with_gallium_radeonsi = _drivers.contains('radeonsi')
with_gallium_r300 = _drivers.contains('r300')
with_gallium_r600 = _drivers.contains('r600')
with_gallium_nouveau = _drivers.contains('nouveau')
with_gallium_freedreno = _drivers.contains('freedreno')
with_gallium_softpipe = _drivers.contains('swrast')
with_gallium_vc4 = _drivers.contains('vc4')
with_gallium_v3d = _drivers.contains('v3d')
with_gallium_etnaviv = _drivers.contains('etnaviv')
with_gallium_imx = _drivers.contains('imx')
with_gallium_tegra = _drivers.contains('tegra')
with_gallium_i915 = _drivers.contains('i915')
with_gallium_svga = _drivers.contains('svga')
with_gallium_virgl = _drivers.contains('virgl')
with_gallium_swr = _drivers.contains('swr')

with_gallium = _drivers.length() != 0 and _drivers != ['']

if with_gallium and system_has_kms_drm
  _glx = get_option('glx')
  _egl = get_option('egl')
  if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
    with_dri = true
174
  endif
Ville Syrjälä's avatar
Ville Syrjälä committed
175 176
endif

177
_vulkan_drivers = get_option('vulkan-drivers')
Dylan Baker's avatar
Dylan Baker committed
178
if _vulkan_drivers.contains('auto')
179
  if system_has_kms_drm
180
    if host_machine.cpu_family().startswith('x86')
Dylan Baker's avatar
Dylan Baker committed
181
      _vulkan_drivers = ['amd', 'intel']
182 183
    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
      _vulkan_drivers = []
184
    else
185 186
      error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
            host_machine.cpu_family()))
187
    endif
188
  elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
189
    # No vulkan driver supports windows or macOS currently
190
    _vulkan_drivers = []
191
  else
192 193
    error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
          host_machine.system()))
194 195
  endif
endif
Eric Engestrom's avatar
Eric Engestrom committed
196 197 198 199

with_intel_vk = _vulkan_drivers.contains('intel')
with_amd_vk = _vulkan_drivers.contains('amd')
with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
200

Dylan Baker's avatar
Dylan Baker committed
201
if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
Dylan Baker's avatar
Dylan Baker committed
202 203
  error('Only one swrast provider can be built')
endif
Dylan Baker's avatar
Dylan Baker committed
204 205 206
if with_dri_i915 and with_gallium_i915
  error('Only one i915 provider can be built')
endif
Dylan Baker's avatar
Dylan Baker committed
207 208 209
if with_gallium_imx and not with_gallium_etnaviv
  error('IMX driver requires etnaviv driver')
endif
210 211 212
if with_gallium_pl111 and not with_gallium_vc4
  error('pl111 driver requires vc4 driver')
endif
Thierry Reding's avatar
Thierry Reding committed
213 214 215
if with_gallium_tegra and not with_gallium_nouveau
  error('tegra driver requires nouveau driver')
endif
Dylan Baker's avatar
Dylan Baker committed
216

217 218 219 220
if host_machine.system() == 'darwin'
  with_dri_platform = 'apple'
elif ['windows', 'cygwin'].contains(host_machine.system())
  with_dri_platform = 'windows'
Greg V's avatar
Greg V committed
221
elif system_has_kms_drm
222 223 224 225 226 227
  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)
Greg V's avatar
Greg V committed
228
  # FIXME: illumos ends up here as well
229 230
  with_dri_platform = 'none'
endif
Dylan Baker's avatar
Dylan Baker committed
231

232
_platforms = get_option('platforms')
Dylan Baker's avatar
Dylan Baker committed
233
if _platforms.contains('auto')
Greg V's avatar
Greg V committed
234
  if system_has_kms_drm
Dylan Baker's avatar
Dylan Baker committed
235
    _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
236
  elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
Dylan Baker's avatar
Dylan Baker committed
237
    _platforms = ['x11', 'surfaceless']
238
  elif ['haiku'].contains(host_machine.system())
Dylan Baker's avatar
Dylan Baker committed
239
    _platforms = ['haiku']
Dylan Baker's avatar
Dylan Baker committed
240
  else
241 242
    error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
          host_machine.system()))
Dylan Baker's avatar
Dylan Baker committed
243 244
  endif
endif
Eric Engestrom's avatar
Eric Engestrom committed
245 246 247 248 249 250 251 252 253 254 255

with_platform_android = _platforms.contains('android')
with_platform_x11 = _platforms.contains('x11')
with_platform_wayland = _platforms.contains('wayland')
with_platform_drm = _platforms.contains('drm')
with_platform_haiku = _platforms.contains('haiku')
with_platform_surfaceless = _platforms.contains('surfaceless')

with_platforms = false
if _platforms.length() != 0 and _platforms != ['']
  with_platforms = true
Dylan Baker's avatar
Dylan Baker committed
256
  egl_native_platform = _platforms[0]
257 258
endif

259 260 261 262 263 264 265
_xlib_lease = get_option('xlib-lease')
if _xlib_lease == 'auto'
  with_xlib_lease = with_platform_x11 and with_platform_drm
else
  with_xlib_lease = _xlib_lease == 'true'
endif

Dylan Baker's avatar
Dylan Baker committed
266 267 268 269
with_glx = get_option('glx')
if with_glx == 'auto'
  if with_dri
    with_glx = 'dri'
270 271
  elif with_platform_haiku
    with_glx = 'disabled'
Dylan Baker's avatar
Dylan Baker committed
272
  elif with_gallium
273 274
    # Even when building just gallium drivers the user probably wants dri
    with_glx = 'dri'
Dylan Baker's avatar
Dylan Baker committed
275 276 277 278 279 280 281 282
  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
283 284 285 286 287
if with_glx == 'dri'
   if with_gallium
      with_dri = true
   endif
endif
Dylan Baker's avatar
Dylan Baker committed
288

289
if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
Dylan Baker's avatar
Dylan Baker committed
290 291 292 293 294 295 296
  with_gles1 = false
  with_gles2 = false
  with_opengl = false
  with_any_opengl = false
  with_shared_glapi = false
endif

297 298 299
_gbm = get_option('gbm')
if _gbm == 'auto'
  with_gbm = system_has_kms_drm and with_dri
Dylan Baker's avatar
Dylan Baker committed
300
else
301 302 303 304
  with_gbm = _gbm == 'true'
endif
if with_gbm and not system_has_kms_drm
  error('GBM only supports DRM/KMS platforms')
Dylan Baker's avatar
Dylan Baker committed
305 306
endif

Dylan Baker's avatar
Dylan Baker committed
307 308
_egl = get_option('egl')
if _egl == 'auto'
Eric Engestrom's avatar
Eric Engestrom committed
309
  with_egl = with_dri and with_shared_glapi and with_platforms
310
elif _egl == 'true'
Dylan Baker's avatar
Dylan Baker committed
311 312 313 314
  if not with_dri
    error('EGL requires dri')
  elif not with_shared_glapi
    error('EGL requires shared-glapi')
315
  elif not with_platforms
316
    error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
317 318
  elif not ['disabled', 'dri'].contains(with_glx)
    error('EGL requires dri, but a GLX is being built without dri')
Dylan Baker's avatar
Dylan Baker committed
319 320 321 322 323 324
  endif
  with_egl = true
else
  with_egl = false
endif

Dylan Baker's avatar
Dylan Baker committed
325 326 327 328 329 330 331
if with_egl and not (with_platform_drm or with_platform_surfaceless)
  if with_gallium_radeonsi
    error('RadeonSI requires drm or surfaceless platform when using EGL')
  endif
  if with_gallium_virgl
    error('Virgl requires drm or surfaceless platform when using EGL')
  endif
Dylan Baker's avatar
Dylan Baker committed
332 333
endif

Dylan Baker's avatar
Dylan Baker committed
334
pre_args += '-DGLX_USE_TLS'
Dylan Baker's avatar
Dylan Baker committed
335
if with_glx != 'disabled'
336
  if not (with_platform_x11 and with_any_opengl)
337
    error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
Dylan Baker's avatar
Dylan Baker committed
338 339 340
  elif with_glx == 'gallium-xlib' 
    if not with_gallium
      error('Gallium-xlib based GLX requires at least one gallium driver')
341 342
    elif not with_gallium_softpipe
      error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
Dylan Baker's avatar
Dylan Baker committed
343 344 345
    elif with_dri
      error('gallium-xlib conflicts with any dri driver')
    endif
Dylan Baker's avatar
Dylan Baker committed
346
  elif with_glx == 'xlib' 
Dylan Baker's avatar
Dylan Baker committed
347
    if with_dri
Dylan Baker's avatar
Dylan Baker committed
348
      error('xlib conflicts with any dri driver')
Dylan Baker's avatar
Dylan Baker committed
349
    endif
350 351 352 353 354 355
  elif with_glx == 'dri'
    if not with_dri
      error('dri based GLX requires at least one DRI driver')
    elif not with_shared_glapi
      error('dri based GLX requires shared-glapi')
    endif
Dylan Baker's avatar
Dylan Baker committed
356 357 358 359
  endif
endif

with_glvnd = get_option('glvnd')
360 361 362 363 364 365
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
366 367 368 369 370
endif

# TODO: toggle for this
with_glx_direct = true

371 372 373 374
if with_vulkan_icd_dir == ''
  with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
endif

375
with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
376 377
_dri3 = get_option('dri3')
if _dri3 == 'auto'
Eric Engestrom's avatar
Eric Engestrom committed
378
  with_dri3 = system_has_kms_drm and with_dri2
379
else
380
  with_dri3 = _dri3 == 'true'
381 382 383 384 385
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
386
if with_dri or with_gallium
387
  if with_glx == 'disabled' and not with_egl and not with_platform_haiku
Dylan Baker's avatar
Dylan Baker committed
388 389
    error('building dri or gallium drivers require at least one window system')
  endif
390 391
endif

392 393
prog_pkgconfig = find_program('pkg-config')

394
_vdpau = get_option('gallium-vdpau')
395 396 397
if not system_has_kms_drm
  if _vdpau == 'true'
    error('VDPAU state tracker can only be build on unix-like OSes.')
398
  else
399
    _vdpau = 'false'
400
  endif
401 402
elif not with_platform_x11
  if _vdpau == 'true'
403
    error('VDPAU state tracker requires X11 support.')
404 405 406 407 408 409
  else
    _vdpau = 'false'
  endif
elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
          with_gallium_nouveau)
  if _vdpau == 'true'
410
    error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
411 412
  else
    _vdpau = 'false'
413 414
  endif
endif
415
dep_vdpau = null_dep
416 417 418 419 420 421 422 423 424
with_gallium_vdpau = false
if _vdpau != 'false'
  dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
  if dep_vdpau.found()
    dep_vdpau = declare_dependency(
      compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
    )
    with_gallium_vdpau = true
  endif
425 426 427 428 429 430 431 432 433 434
endif

if with_gallium_vdpau
  pre_args += '-DHAVE_ST_VDPAU'
endif
vdpau_drivers_path = get_option('vdpau-libs-path')
if vdpau_drivers_path == ''
  vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
endif

435
_xvmc = get_option('gallium-xvmc')
436 437 438
if not system_has_kms_drm
  if _xvmc == 'true'
    error('XVMC state tracker can only be build on unix-like OSes.')
439
  else
440
    _xvmc = 'false'
441
  endif
442 443
elif not with_platform_x11
  if _xvmc == 'true'
444
    error('XVMC state tracker requires X11 support.')
445 446 447 448 449
  else
    _xvmc = 'false'
  endif
elif not (with_gallium_r600 or with_gallium_nouveau)
  if _xvmc == 'true'
450
    error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
451 452
  else
    _xvmc = 'false'
453 454
  endif
endif
455
dep_xvmc = null_dep
Dylan Baker's avatar
Dylan Baker committed
456
with_gallium_xvmc = false
457
if _xvmc != 'false'
Dylan Baker's avatar
Dylan Baker committed
458 459
  dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
  with_gallium_xvmc = dep_xvmc.found()
460 461 462 463 464 465 466
endif

xvmc_drivers_path = get_option('xvmc-libs-path')
if xvmc_drivers_path == ''
  xvmc_drivers_path = get_option('libdir')
endif

467
_omx = get_option('gallium-omx')
468
if not system_has_kms_drm
469
  if ['auto', 'disabled'].contains(_omx)
470
    _omx = 'disabled'
471 472
  else
    error('OMX state tracker can only be built on unix-like OSes.')
473
  endif
474
elif not (with_platform_x11 or with_platform_drm)
475
  if ['auto', 'disabled'].contains(_omx)
476
    _omx = 'disabled'
477 478
  else
    error('OMX state tracker requires X11 or drm platform support.')
479 480
  endif
elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
481
  if ['auto', 'disabled'].contains(_omx)
482
    _omx = 'disabled'
483 484
  else
    error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
485
  endif
486
endif
487 488
with_gallium_omx = _omx
dep_omx = null_dep
489
dep_omx_other = []
Mathias Fröhlich's avatar
Mathias Fröhlich committed
490
if ['auto', 'bellagio'].contains(_omx)
491
  dep_omx = dependency(
Mathias Fröhlich's avatar
Mathias Fröhlich committed
492
    'libomxil-bellagio', required : _omx == 'bellagio'
493 494 495 496 497
  )
  if dep_omx.found()
    with_gallium_omx = 'bellagio'
  endif
endif
Mathias Fröhlich's avatar
Mathias Fröhlich committed
498 499
if ['auto', 'tizonia'].contains(_omx)
  if with_dri and with_egl
500 501
    dep_omx = dependency(
      'libtizonia', version : '>= 0.10.0',
Mathias Fröhlich's avatar
Mathias Fröhlich committed
502
      required : _omx == 'tizonia',
503 504
    )
    dep_omx_other = [
Mathias Fröhlich's avatar
Mathias Fröhlich committed
505 506
      dependency('libtizplatform', required : _omx == 'tizonia'),
      dependency('tizilheaders', required : _omx == 'tizonia'),
507 508 509 510
    ]
    if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
      with_gallium_omx = 'tizonia'
    endif
Mathias Fröhlich's avatar
Mathias Fröhlich committed
511 512
  elif _omx == 'tizonia'
    error('OMX-Tizonia state tracker requires dri and egl')
513
  endif
514
endif
Mathias Fröhlich's avatar
Mathias Fröhlich committed
515 516 517 518 519
if _omx == 'auto'
  with_gallium_omx = 'disabled'
else
  with_gallium_omx = _omx
endif
520

521 522 523 524 525 526
pre_args += [
  '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
  '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
]


527
omx_drivers_path = get_option('omx-libs-path')
528

529
if with_gallium_omx != 'disabled'
530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552
  # Figure out where to put the omx driver.
  # FIXME: this could all be vastly simplified by adding a 'defined_variable'
  # argument to meson's get_pkgconfig_variable method.
  if omx_drivers_path == ''
    _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
    _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
    if _omx_libdir == get_option('libdir')
      omx_drivers_path = _omx_drivers_dir
    else
      _omx_base_dir = []
      # This will fail on windows. Does OMX run on windows?
      _omx_libdir = _omx_libdir.split('/')
      _omx_drivers_dir = _omx_drivers_dir.split('/')
      foreach o : _omx_drivers_dir
        if not _omx_libdir.contains(o)
          _omx_base_dir += o
        endif
      endforeach
      omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
    endif
  endif
endif

553
_va = get_option('gallium-va')
Eric Engestrom's avatar
Eric Engestrom committed
554 555 556
if not system_has_kms_drm
  if _va == 'true'
    error('VA state tracker can only be built on unix-like OSes.')
557
  else
Eric Engestrom's avatar
Eric Engestrom committed
558
    _va = 'false'
559
  endif
Eric Engestrom's avatar
Eric Engestrom committed
560 561
elif not (with_platform_x11 or with_platform_drm)
  if _va == 'true'
562
    error('VA state tracker requires X11 or drm or wayland platform support.')
Eric Engestrom's avatar
Eric Engestrom committed
563 564 565 566 567
  else
    _va = 'false'
  endif
elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
  if _va == 'true'
568
    error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
Eric Engestrom's avatar
Eric Engestrom committed
569 570
  else
    _va = 'false'
571
  endif
Eric Engestrom's avatar
Eric Engestrom committed
572 573
elif _va == 'auto'
  _va = 'true'
574
endif
Dylan Baker's avatar
Dylan Baker committed
575
with_gallium_va = false
576
dep_va = null_dep
Dylan Baker's avatar
Dylan Baker committed
577 578 579 580 581 582 583 584
if _va != 'false'
  dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
  if dep_va.found()
    dep_va_headers = declare_dependency(
      compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
    )
    with_gallium_va = true
  endif
585 586 587 588 589 590 591
endif

va_drivers_path = get_option('va-libs-path')
if va_drivers_path == ''
  va_drivers_path = join_paths(get_option('libdir'), 'dri')
endif

592
_xa = get_option('gallium-xa')
Eric Engestrom's avatar
Eric Engestrom committed
593 594 595
if not system_has_kms_drm
  if _xa == 'true'
    error('XA state tracker can only be built on unix-like OSes.')
596
  else
Eric Engestrom's avatar
Eric Engestrom committed
597
    _xa = 'false'
598
  endif
Eric Engestrom's avatar
Eric Engestrom committed
599 600 601
elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
          or with_gallium_svga)
  if _xa == 'true'
602
    error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
Eric Engestrom's avatar
Eric Engestrom committed
603 604
  else
    _xa = 'false'
605 606
  endif
endif
Eric Engestrom's avatar
Eric Engestrom committed
607
with_gallium_xa = _xa != 'false'
608

609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626
d3d_drivers_path = get_option('d3d-drivers-path')
if d3d_drivers_path == ''
  d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
endif

with_gallium_st_nine =  get_option('gallium-nine')
if with_gallium_st_nine
  if not with_gallium_softpipe
    error('The nine state tracker requires gallium softpipe/llvmpipe.')
  elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
            or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
    error('The nine state tracker requires at least on non-swrast gallium driver.')
  endif
  if not with_dri3
    error('Using nine with wine requires dri3')
  endif
endif

627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648
if get_option('power8') != 'false'
  if host_machine.cpu_family() == 'ppc64le'
    if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
      error('Altivec is not supported with gcc version < 4.8.')
    endif
    if cc.compiles('''
        #include <altivec.h>
        int main() {
          vector unsigned char r;
          vector unsigned int v = vec_splat_u32 (1);
          r = __builtin_vec_vgbbd ((vector unsigned char) v);
          return 0;
        }''',
        args : '-mpower8-vector',
        name : 'POWER8 intrinsics')
      pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
    elif get_option('power8') == 'true'
      error('POWER8 intrinsic support required but not found.')
    endif
  endif
endif

Dylan Baker's avatar
Dylan Baker committed
649
_opencl = get_option('gallium-opencl')
Dylan Baker's avatar
Dylan Baker committed
650
if _opencl != 'disabled'
Dylan Baker's avatar
Dylan Baker committed
651 652 653 654 655 656 657 658
  if not with_gallium
    error('OpenCL Clover implementation requires at least one gallium driver.')
  endif

  dep_clc = dependency('libclc')
  with_gallium_opencl = true
  with_opencl_icd = _opencl == 'icd'
else
659
  dep_clc = null_dep
Dylan Baker's avatar
Dylan Baker committed
660 661 662 663
  with_gallium_opencl = false
  with_gallium_icd = false
endif

Dylan Baker's avatar
Dylan Baker committed
664
gl_pkgconfig_c_flags = []
665
if with_platform_x11
666
  if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
667 668
    pre_args += '-DHAVE_X11_PLATFORM'
  endif
669
  if with_glx == 'xlib' or with_glx == 'gallium-xlib'
Dylan Baker's avatar
Dylan Baker committed
670
    pre_args += '-DUSE_XSHM'
671 672 673 674 675 676 677
  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'
Dylan Baker's avatar
Dylan Baker committed
678 679
    elif with_dri_platform == 'apple'
      pre_args += '-DGLX_USE_APPLEGL'
Jon Turney's avatar
Jon Turney committed
680 681
    elif with_dri_platform == 'windows'
      pre_args += '-DGLX_USE_WINDOWSGL'
682 683
    endif
  endif
Dylan Baker's avatar
Dylan Baker committed
684 685 686 687 688 689 690 691 692 693 694 695
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'
696
endif
Eric Engestrom's avatar
Eric Engestrom committed
697 698 699 700 701 702 703 704
if with_platform_android
  dep_android = [
    dependency('cutils'),
    dependency('hardware'),
    dependency('sync'),
  ]
  pre_args += '-DHAVE_ANDROID_PLATFORM'
endif
705 706 707
if with_platform_haiku
  pre_args += '-DHAVE_HAIKU_PLATFORM'
endif
708

709
prog_python = import('python3').find_python()
710 711 712 713 714 715 716
has_mako = run_command(
  prog_python, '-c',
  '''
from distutils.version import StrictVersion
import mako
assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
  ''')
Dylan Baker's avatar
Dylan Baker committed
717
if has_mako.returncode() != 0
718
  error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
Dylan Baker's avatar
Dylan Baker committed
719
endif
720 721

if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
722
  error('When using GCC, version 4.4.6 or later is required.')
723 724
endif

725 726
# Define DEBUG for debug builds only (debugoptimized is not included on this one)
if get_option('buildtype') == 'debug'
727 728 729
  pre_args += '-DDEBUG'
endif

730 731 732 733 734 735
if get_option('shader-cache')
  pre_args += '-DENABLE_SHADER_CACHE'
elif with_amd_vk
  error('Radv requires shader cache support')
endif

736 737 738 739 740 741 742 743
# 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

744
# check for GCC __attribute__
745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761
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))')
762
  pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
763 764 765 766 767 768
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(...)))')
769
  pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
770 771 772 773 774
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
Jason Ekstrand's avatar
Jason Ekstrand committed
775 776 777 778
if cc.compiles('int foo(void) __attribute__((__noreturn__));',
               name : '__attribute__((__noreturn__))')
  pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
endif
779 780

# TODO: this is very incomplete
Jon Turney's avatar
Jon Turney committed
781
if ['linux', 'cygwin'].contains(host_machine.system())
782 783 784
  pre_args += '-D_GNU_SOURCE'
endif

785
# Check for generic C arguments
786 787 788 789 790 791 792 793
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
794 795 796 797
if cc.has_argument('-Wmissing-field-initializers')
  c_args += '-Wno-missing-field-initializers'
endif

798 799 800 801 802
c_vis_args = []
if cc.has_argument('-fvisibility=hidden')
  c_vis_args += '-fvisibility=hidden'
endif

803 804 805 806 807 808 809 810 811
# Check for generic C++ arguments
cpp_args = []
foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
             '-Qunused-arguments']
  if cpp.has_argument(a)
    cpp_args += a
  endif
endforeach

812 813
# For some reason, the test for -Wno-foo always succeeds with gcc, even if the
# option is not supported. Hence, check for -Wfoo instead.
814 815 816 817 818 819

foreach a : ['non-virtual-dtor', 'missing-field-initializers']
  if cpp.has_argument('-W' + a)
    cpp_args += '-Wno-' + a
  endif
endforeach
820 821 822 823 824 825 826 827

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

828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846
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

847
if host_machine.cpu_family().startswith('x86')
848
  pre_args += '-DUSE_SSE41'
849 850 851 852 853 854 855 856 857 858 859 860
  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
861 862

# Check for GCC style atomics
863
dep_atomic = null_dep
864

Matt Turner's avatar
Matt Turner committed
865 866 867 868 869
if cc.compiles('''#include <stdint.h>
                  int main() {
                    struct {
                      uint64_t *v;
                    } x;
870 871 872
                    return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
                           (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);

Matt Turner's avatar
Matt Turner committed
873
                  }''',
874 875
               name : 'GCC atomic builtins')
  pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
876 877 878 879 880 881 882 883 884

  # Not all atomic calls can be turned into lock-free instructions, in which
  # GCC will make calls into the libatomic library. Check whether we need to
  # link with -latomic.
  #
  # This can happen for 64-bit atomic operations on 32-bit architectures such
  # as ARM.
  if not cc.links('''#include <stdint.h>
                     int main() {
885 886 887
                       struct {
                         uint64_t *v;
                       } x;
888 889
                       return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
                              (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
890 891 892 893
                     }''',
                  name : 'GCC atomic builtins required -latomic')
    dep_atomic = cc.find_library('atomic')
  endif
894 895 896 897 898 899 900 901 902 903 904 905
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: shared/static? Is this even worth doing?

906 907 908 909 910 911
# When cross compiling we generally need to turn off the use of assembly,
# because mesa's assembly relies on building an executable for the host system,
# and running it to get information about struct sizes. There is at least one
# case of cross compiling where we can use asm, and that's x86_64 -> x86 when
# host OS == build OS, since in that case the build machine can run the host's
# binaries.
912
if meson.is_cross_build() 
913 914 915 916
  if build_machine.system() != host_machine.system()
    # TODO: It may be possible to do this with an exe_wrapper (like wine).
    message('Cross compiling from one OS to another, disabling assembly.')
    with_asm = false
917 918 919 920
  elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
    # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
    # x86 -> x86 cross compile. We use startswith rather than == to handle this
    # case.
921 922 923 924 925 926
    # TODO: There may be other cases where the 64 bit version of the
    # architecture can run 32 bit binaries (aarch64 and armv7 for example)
    message('''
      Cross compiling to different architectures, and the host cannot run
      the build machine's binaries. Disabling assembly.
    ''')
927 928
    with_asm = false
  endif
Dylan Baker's avatar
Dylan Baker committed
929 930 931 932 933
endif

with_asm_arch = ''
if with_asm
  if host_machine.cpu_family() == 'x86'
Greg V's avatar
Greg V committed
934
    if system_has_kms_drm
Dylan Baker's avatar
Dylan Baker committed
935 936 937
      with_asm_arch = 'x86'
      pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
                   '-DUSE_SSE_ASM']
938 939 940 941

      if with_glx_read_only_text
         pre_args += ['-DGLX_X86_READONLY_TEXT']
      endif
Dylan Baker's avatar
Dylan Baker committed
942 943
    endif
  elif host_machine.cpu_family() == 'x86_64'
Greg V's avatar
Greg V committed
944
    if system_has_kms_drm
Dylan Baker's avatar
Dylan Baker committed
945 946 947 948
      with_asm_arch = 'x86_64'
      pre_args += ['-DUSE_X86_64_ASM']
    endif
  elif host_machine.cpu_family() == 'arm'
Greg V's avatar
Greg V committed
949
    if system_has_kms_drm
Dylan Baker's avatar
Dylan Baker committed
950 951 952 953
      with_asm_arch = 'arm'
      pre_args += ['-DUSE_ARM_ASM']
    endif
  elif host_machine.cpu_family() == 'aarch64'
Greg V's avatar
Greg V committed
954
    if system_has_kms_drm
Dylan Baker's avatar
Dylan Baker committed
955 956 957
      with_asm_arch = 'aarch64'
      pre_args += ['-DUSE_AARCH64_ASM']
    endif
958 959 960 961 962
  elif host_machine.cpu_family() == 'sparc64'
    if system_has_kms_drm
      with_asm_arch = 'sparc'
      pre_args += ['-DUSE_SPARC_ASM']
    endif
963 964 965 966 967
  elif host_machine.cpu_family() == 'ppc64le'
    if system_has_kms_drm
      with_asm_arch = 'ppc64le'
      pre_args += ['-DUSE_PPC64LE_ASM']
    endif
Dylan Baker's avatar
Dylan Baker committed
968 969
  endif
endif
970 971 972 973 974 975 976 977

# 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

978
foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
979
  if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
980 981 982 983
    pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
  endif
endforeach

984
foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002
  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);
1003
      float f = strtof_l(s, end, loc);
1004 1005 1006
      freelocale(loc);
      return 0;
    }''',
1007
    args : pre_args,
1008 1009 1010 1011 1012 1013
    name : 'strtod has locale support')
  pre_args += '-DHAVE_STRTOD_L'
endif

# Check for some linker flags
ld_args_bsymbolic = []
1014
if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1015 1016 1017 1018
  ld_args_bsymbolic += '-Wl,-Bsymbolic'
endif
ld_args_gc_sections = []
if cc.links('static char unused() { return 5; } int main() { return 0; }',
1019
            args : '-Wl,--gc-sections', name : 'gc-sections')
1020 1021
  ld_args_gc_sections += '-Wl,--gc-sections'
endif
1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035
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
1036 1037 1038 1039
ld_args_build_id = []
if build_machine.system() != 'darwin'
   ld_args_build_id += '-Wl,--build-id=sha1'
endif
1040 1041 1042

# check for dl support
if cc.has_function('dlopen')
1043
  dep_dl = null_dep
1044 1045 1046
else
  dep_dl = cc.find_library('dl')
endif
Dylan Baker's avatar
Dylan Baker committed
1047 1048 1049
if cc.has_function('dladdr', dependencies : dep_dl)
  # This is really only required for megadrivers
  pre_args += '-DHAVE_DLADDR'
1050 1051 1052 1053
endif

if cc.has_function('dl_iterate_phdr')
  pre_args += '-DHAVE_DL_ITERATE_PHDR'
1054 1055 1056 1057
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.')
1058 1059 1060 1061
endif

# Determine whether or not the rt library is needed for time functions
if cc.has_function('clock_gettime')
1062
  dep_clock = null_dep
1063 1064 1065 1066 1067 1068
else
  dep_clock = cc.find_library('rt')
endif

# TODO: some of these may be conditional
dep_zlib = dependency('zlib', version : '>= 1.2.3')
1069
pre_args += '-DHAVE_ZLIB'
1070
dep_thread = dependency('threads')
1071
if dep_thread.found() and host_machine.system() != 'windows'
1072 1073
  pre_args += '-DHAVE_PTHREAD'
endif
Dylan Baker's avatar
Dylan Baker committed
1074
if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
Dylan Baker's avatar
Dylan Baker committed
1075 1076 1077 1078 1079
  dep_elf = dependency('libelf', required : false)
  if not dep_elf.found()
    dep_elf = cc.find_library('elf')
  endif
else
1080
  dep_elf = null_dep
1081
endif
1082 1083 1084 1085
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
1086

1087 1088 1089 1090
# Check for libdrm. various drivers have different libdrm version requirements,
# but we always want to use the same version for all libdrm modules. That means
# even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
# bar are both on use 2.4.3 for both of them
1091 1092 1093 1094 1095 1096
dep_libdrm_amdgpu = null_dep
dep_libdrm_radeon = null_dep
dep_libdrm_nouveau = null_dep
dep_libdrm_etnaviv = null_dep
dep_libdrm_freedreno = null_dep
dep_libdrm_intel = null_dep