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1# Copyright © 2017-2020 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
21project(
22  'mesa',
23  ['c', 'cpp'],
24  version : run_command(
25    [find_program('python', 'python3'), 'bin/meson_get_version.py']
26  ).stdout(),
27  license : 'MIT',
28  meson_version : '>= 0.52',
29  default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++14']
30)
31
32cc = meson.get_compiler('c')
33cpp = meson.get_compiler('cpp')
34
35null_dep = dependency('', required : false)
36
37if get_option('layout') != 'mirror'
38  error('`mirror` is the only build directory layout supported')
39endif
40
41# Arguments for the preprocessor, put these in a separate array from the C and
42# C++ (cpp in meson terminology) arguments since they need to be added to the
43# default arguments for both C and C++.
44pre_args = [
45  '-D__STDC_CONSTANT_MACROS',
46  '-D__STDC_FORMAT_MACROS',
47  '-D__STDC_LIMIT_MACROS',
48  '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
49  '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/-/issues"',
50]
51
52with_vulkan_icd_dir = get_option('vulkan-icd-dir')
53with_tests = get_option('build-tests')
54with_aco_tests = get_option('build-aco-tests')
55with_glx_read_only_text = get_option('glx-read-only-text')
56with_glx_direct = get_option('glx-direct')
57with_osmesa = get_option('osmesa')
58with_swr_arches = get_option('swr-arches')
59with_vulkan_overlay_layer = get_option('vulkan-overlay-layer')
60with_tools = get_option('tools')
61if with_tools.contains('all')
62  with_tools = [
63    'drm-shim',
64    'etnaviv',
65    'freedreno',
66    'glsl',
67    'intel',
68    'intel-ui',
69    'lima',
70    'nir',
71    'nouveau',
72    'xvmc',
73  ]
74endif
75with_clc = false
76
77with_intel_tools = with_tools.contains('intel') or with_tools.contains('intel-ui')
78with_imgui = with_intel_tools or with_vulkan_overlay_layer
79
80dri_drivers_path = get_option('dri-drivers-path')
81if dri_drivers_path == ''
82  dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
83endif
84dri_search_path = get_option('dri-search-path')
85if dri_search_path == ''
86  dri_search_path = dri_drivers_path
87endif
88
89with_gles1 = get_option('gles1')
90if with_gles1 == 'true'
91  with_gles1 = 'enabled'
92  warning('gles1 option "true" deprecated, please use "enabled" instead.')
93elif with_gles1 == 'false'
94  with_gles1 = 'disabled'
95  warning('gles1 option "false" deprecated, please use "disabled" instead.')
96endif
97with_gles2 = get_option('gles2')
98if with_gles2 == 'true'
99  with_gles2 = 'enabled'
100  warning('gles2 option "true" deprecated, please use "enabled" instead.')
101elif with_gles2 == 'false'
102  with_gles2 = 'disabled'
103  warning('gles2 option "false" deprecated, please use "disabled" instead.')
104endif
105if host_machine.system() == 'windows'
106  if with_gles1 == 'auto'
107    with_gles1 = 'disabled'
108  endif
109  if with_gles2 == 'auto'
110    with_gles2 = 'disabled'
111  endif
112endif
113with_opengl = get_option('opengl')
114
115# Default shared glapi off for windows, on elsewhere.
116_sg = get_option('shared-glapi')
117if _sg == 'true'
118  _sg = 'enabled'
119  warning('shared-glapi option "true" deprecated, please use "enabled" instead.')
120elif _sg == 'false'
121  _sg = 'disabled'
122  warning('shared-glapi option "false" deprecated, please use "disabled" instead.')
123endif
124if _sg == 'auto'
125  with_shared_glapi = host_machine.system() != 'windows'
126else
127  with_shared_glapi = _sg == 'enabled'
128endif
129
130# shared-glapi is required if at least two OpenGL APIs are being built
131if not with_shared_glapi
132  if ((with_gles1 == 'enabled' and with_gles2 == 'enabled') or
133      (with_gles1 == 'enabled' and with_opengl) or
134      (with_gles2 == 'enabled' and with_opengl))
135    error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
136  endif
137  with_gles1 = 'disabled'
138  with_gles2 = 'disabled'
139endif
140
141# We require OpenGL for OpenGL ES
142if not with_opengl
143  if (with_gles1 == 'enabled' or with_gles2 == 'enabled') and not with_opengl
144    error('building OpenGL ES without OpenGL is not supported.')
145  endif
146  with_gles1 = 'disabled'
147  with_gles2 = 'disabled'
148endif
149
150with_gles1 = with_gles1 != 'disabled'
151with_gles2 = with_gles2 != 'disabled'
152with_any_opengl = with_opengl or with_gles1 or with_gles2
153# Only build shared_glapi if at least one OpenGL API is enabled
154with_shared_glapi = with_shared_glapi and with_any_opengl
155
156system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux', 'sunos'].contains(host_machine.system())
157
158dri_drivers = get_option('dri-drivers')
159if dri_drivers.contains('auto')
160  if system_has_kms_drm
161    # TODO: PPC, Sparc
162    if ['x86', 'x86_64'].contains(host_machine.cpu_family())
163      dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
164    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
165      dri_drivers = []
166    elif ['mips', 'mips64'].contains(host_machine.cpu_family())
167      dri_drivers = ['r100', 'r200', 'nouveau']
168    else
169      error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
170            host_machine.cpu_family()))
171    endif
172  elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
173    # only swrast would make sense here, but gallium swrast is a much better default
174    dri_drivers = []
175  else
176    error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
177          host_machine.system()))
178  endif
179endif
180
181with_dri_i915 = dri_drivers.contains('i915')
182with_dri_i965 = dri_drivers.contains('i965')
183with_dri_r100 = dri_drivers.contains('r100')
184with_dri_r200 = dri_drivers.contains('r200')
185with_dri_nouveau = dri_drivers.contains('nouveau')
186with_dri_swrast = dri_drivers.contains('swrast')
187
188with_dri = dri_drivers.length() != 0
189
190gallium_drivers = get_option('gallium-drivers')
191if gallium_drivers.contains('auto')
192  if system_has_kms_drm
193    # TODO: PPC, Sparc
194    if ['x86', 'x86_64'].contains(host_machine.cpu_family())
195      gallium_drivers = [
196        'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast',
197        'iris'
198      ]
199    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
200      gallium_drivers = [
201        'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
202        'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
203      ]
204    elif ['mips', 'mips64'].contains(host_machine.cpu_family())
205      gallium_drivers = [
206        'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'swrast'
207      ]
208    else
209      error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
210            host_machine.cpu_family()))
211    endif
212  elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
213    gallium_drivers = ['swrast']
214  else
215    error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
216          host_machine.system()))
217  endif
218endif
219with_gallium_kmsro = gallium_drivers.contains('kmsro')
220with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
221with_gallium_r300 = gallium_drivers.contains('r300')
222with_gallium_r600 = gallium_drivers.contains('r600')
223with_gallium_nouveau = gallium_drivers.contains('nouveau')
224with_gallium_freedreno = gallium_drivers.contains('freedreno')
225with_gallium_softpipe = gallium_drivers.contains('swrast')
226with_gallium_vc4 = gallium_drivers.contains('vc4')
227with_gallium_v3d = gallium_drivers.contains('v3d')
228with_gallium_panfrost = gallium_drivers.contains('panfrost')
229with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
230with_gallium_tegra = gallium_drivers.contains('tegra')
231with_gallium_iris = gallium_drivers.contains('iris')
232with_gallium_i915 = gallium_drivers.contains('i915')
233with_gallium_svga = gallium_drivers.contains('svga')
234with_gallium_virgl = gallium_drivers.contains('virgl')
235with_gallium_swr = gallium_drivers.contains('swr')
236with_gallium_lima = gallium_drivers.contains('lima')
237with_gallium_zink = gallium_drivers.contains('zink')
238
239with_gallium = gallium_drivers.length() != 0
240
241if with_gallium and system_has_kms_drm
242  _glx = get_option('glx')
243  _egl = get_option('egl')
244  if _glx == 'dri' or _egl == 'enabled' or (_glx == 'disabled' and _egl != 'disabled')
245    with_dri = true
246  endif
247endif
248
249_vulkan_drivers = get_option('vulkan-drivers')
250if _vulkan_drivers.contains('auto')
251  if system_has_kms_drm
252    if host_machine.cpu_family().startswith('x86')
253      _vulkan_drivers = ['amd', 'intel', 'swrast']
254    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
255      _vulkan_drivers = ['swrast']
256    elif ['mips', 'mips64'].contains(host_machine.cpu_family())
257      _vulkan_drivers = ['amd', 'swrast']
258    else
259      error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
260            host_machine.cpu_family()))
261    endif
262  elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
263    # No vulkan driver supports windows or macOS currently
264    _vulkan_drivers = []
265  else
266    error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
267          host_machine.system()))
268  endif
269endif
270
271with_intel_vk = _vulkan_drivers.contains('intel')
272with_amd_vk = _vulkan_drivers.contains('amd')
273with_freedreno_vk = _vulkan_drivers.contains('freedreno')
274with_swrast_vk = _vulkan_drivers.contains('swrast')
275with_freedreno_kgsl = get_option('freedreno-kgsl')
276with_broadcom_vk = _vulkan_drivers.contains('broadcom')
277with_any_vk = _vulkan_drivers.length() != 0
278
279with_any_broadcom = with_gallium_vc4 or with_gallium_v3d or with_broadcom_vk
280with_any_intel = with_dri_i965 or with_intel_vk or with_gallium_iris
281
282if with_swrast_vk and not with_gallium_softpipe
283  error('swrast vulkan requires gallium swrast')
284endif
285if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
286  error('Only one swrast provider can be built')
287endif
288if with_dri_i915 and with_gallium_i915
289  error('Only one i915 provider can be built')
290endif
291if with_gallium_kmsro and not (with_gallium_v3d or with_gallium_vc4 or with_gallium_etnaviv or with_gallium_freedreno or with_gallium_panfrost or with_gallium_lima)
292  error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
293endif
294if with_gallium_tegra and not with_gallium_nouveau
295  error('tegra driver requires nouveau driver')
296endif
297if with_aco_tests and not with_amd_vk
298  error('ACO tests require Radv')
299endif
300
301if host_machine.system() == 'darwin'
302  with_dri_platform = 'apple'
303  pre_args += '-DBUILDING_MESA'
304elif ['windows', 'cygwin'].contains(host_machine.system())
305  with_dri_platform = 'windows'
306elif system_has_kms_drm
307  with_dri_platform = 'drm'
308else
309  # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
310  # assert here that one of those cases has been met.
311  # FIXME: illumos ends up here as well
312  with_dri_platform = 'none'
313endif
314
315_platforms = get_option('platforms')
316if _platforms.contains('auto')
317  if system_has_kms_drm
318    _platforms = ['x11', 'wayland']
319  elif ['darwin', 'cygwin'].contains(host_machine.system())
320    _platforms = ['x11']
321  elif ['haiku'].contains(host_machine.system())
322    _platforms = ['haiku']
323  elif host_machine.system() == 'windows'
324    _platforms = ['windows']
325  else
326    error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
327          host_machine.system()))
328  endif
329endif
330
331with_platform_android = _platforms.contains('android')
332with_platform_x11 = _platforms.contains('x11')
333with_platform_wayland = _platforms.contains('wayland')
334with_platform_haiku = _platforms.contains('haiku')
335with_platform_windows = _platforms.contains('windows')
336
337if _platforms.length() != 0
338  egl_native_platform = _platforms[0]
339else
340  egl_native_platform = 'surfaceless'
341endif
342
343with_glx = get_option('glx')
344if with_glx == 'auto'
345  if with_platform_android
346    with_glx = 'disabled'
347  elif with_dri
348    with_glx = 'dri'
349  elif with_platform_haiku
350    with_glx = 'disabled'
351  elif host_machine.system() == 'windows'
352    with_glx = 'disabled'
353  elif with_gallium
354    # Even when building just gallium drivers the user probably wants dri
355    with_glx = 'dri'
356  elif with_platform_x11 and with_any_opengl and not with_any_vk
357    # The automatic behavior should not be to turn on xlib based glx when
358    # building only vulkan drivers
359    with_glx = 'xlib'
360  else
361    with_glx = 'disabled'
362  endif
363endif
364if with_glx == 'dri'
365   if with_gallium
366      with_dri = true
367   endif
368endif
369
370if not (with_dri or with_gallium or with_glx != 'disabled')
371  with_gles1 = false
372  with_gles2 = false
373  with_opengl = false
374  with_any_opengl = false
375  with_shared_glapi = false
376endif
377
378_gbm = get_option('gbm')
379if _gbm == 'true'
380  _gbm = 'enabled'
381  warning('gbm option "true" deprecated, please use "enabled" instead.')
382elif _gbm == 'false'
383  _gbm = 'disabled'
384  warning('gbm option "false" deprecated, please use "disabled" instead.')
385endif
386if _gbm == 'auto'
387  with_gbm = system_has_kms_drm and with_dri
388else
389  with_gbm = _gbm == 'enabled'
390endif
391if with_gbm and not system_has_kms_drm
392  error('GBM only supports DRM/KMS platforms')
393endif
394
395_xlib_lease = get_option('xlib-lease')
396if _xlib_lease == 'true'
397  _xlib_lease = 'enabled'
398  warning('xlib_lease option "true" deprecated, please use "enabled" instead.')
399elif _xlib_lease == 'false'
400  _xlib_lease = 'disabled'
401  warning('xlib_lease option "false" deprecated, please use "disabled" instead.')
402endif
403if _xlib_lease == 'auto'
404  with_xlib_lease = with_platform_x11 and system_has_kms_drm
405else
406  with_xlib_lease = _xlib_lease == 'enabled'
407endif
408
409_egl = get_option('egl')
410if _egl == 'true'
411  _egl = 'enabled'
412  warning('egl option "true" deprecated, please use "enabled" instead.')
413elif _egl == 'false'
414  _egl = 'disabled'
415  warning('egl option "false" deprecated, please use "disabled" instead.')
416endif
417if _egl == 'auto'
418  with_egl = (
419    not ['darwin', 'windows'].contains(host_machine.system()) and
420    with_dri and with_shared_glapi
421  )
422elif _egl == 'enabled'
423  if not with_dri
424    error('EGL requires dri')
425  elif not with_shared_glapi
426    error('EGL requires shared-glapi')
427  elif not ['disabled', 'dri'].contains(with_glx)
428    error('EGL requires dri, but a GLX is being built without dri')
429  elif ['darwin', 'windows'].contains(host_machine.system())
430    error('EGL is not available on Windows or MacOS')
431  endif
432  with_egl = true
433else
434  with_egl = false
435endif
436
437# Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
438use_elf_tls = false
439if not ['windows', 'freebsd', 'openbsd'].contains(host_machine.system()) and (not with_platform_android or get_option('platform-sdk-version') >= 29)
440  pre_args += '-DUSE_ELF_TLS'
441  use_elf_tls = true
442endif
443
444if with_glx != 'disabled'
445  if not (with_platform_x11 and with_any_opengl)
446    error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
447  elif with_glx == 'gallium-xlib'
448    if not with_gallium
449      error('Gallium-xlib based GLX requires at least one gallium driver')
450    elif not with_gallium_softpipe
451      error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
452    elif with_dri
453      error('gallium-xlib conflicts with any dri driver')
454    endif
455  elif with_glx == 'xlib'
456    if with_dri
457      error('xlib conflicts with any dri driver')
458    endif
459  elif with_glx == 'dri'
460    if not with_shared_glapi
461      error('dri based GLX requires shared-glapi')
462    endif
463  endif
464endif
465
466with_glvnd = get_option('glvnd')
467if with_glvnd
468  if with_platform_windows
469    error('glvnd cannot be used on Windows')
470  elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
471    error('Cannot build glvnd support for GLX that is not DRI based.')
472  elif with_glx == 'disabled' and not with_egl
473    error('glvnd requires DRI based GLX and/or EGL')
474  endif
475  if get_option('egl-lib-suffix') != ''
476    error('''EGL lib suffix can't be used with libglvnd''')
477  endif
478endif
479
480if with_vulkan_icd_dir == ''
481  with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
482endif
483
484# GNU/Hurd includes egl_dri2, without drm.
485with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
486  host_machine.system() == 'gnu')
487_dri3 = get_option('dri3')
488if _dri3 == 'true'
489  _dri3 = 'enabled'
490  warning('dri3 option "true" deprecated, please use "enabled" instead.')
491elif _dri3 == 'false'
492  _dri3 = 'disabled'
493  warning('dri3 option "false" deprecated, please use "disabled" instead.')
494endif
495if _dri3 == 'auto'
496  with_dri3 = system_has_kms_drm and with_dri2
497else
498  with_dri3 = _dri3 == 'enabled'
499endif
500
501if with_any_vk and (with_platform_x11 and not with_dri3)
502  error('Vulkan drivers require dri3 for X11 support')
503endif
504if with_dri
505  if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
506    error('building dri drivers require at least one windowing system or classic osmesa')
507  endif
508endif
509
510_vdpau = get_option('gallium-vdpau')
511if _vdpau == 'true'
512  _vdpau = 'enabled'
513  warning('gallium-vdpau option "true" deprecated, please use "enabled" instead.')
514elif _vdpau == 'false'
515  _vdpau = 'disabled'
516  warning('gallium-vdpau option "false" deprecated, please use "disabled" instead.')
517endif
518if not system_has_kms_drm
519  if _vdpau == 'enabled'
520    error('VDPAU state tracker can only be build on unix-like OSes.')
521  else
522    _vdpau = 'disabled'
523  endif
524elif not with_platform_x11
525  if _vdpau == 'enabled'
526    error('VDPAU state tracker requires X11 support.')
527  else
528    _vdpau = 'disabled'
529  endif
530elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
531          with_gallium_nouveau)
532  if _vdpau == 'enabled'
533    error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
534  else
535    _vdpau = 'disabled'
536  endif
537endif
538dep_vdpau = null_dep
539with_gallium_vdpau = false
540if _vdpau != 'disabled'
541  dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'enabled')
542  if dep_vdpau.found()
543    dep_vdpau = dep_vdpau.partial_dependency(compile_args : true)
544    with_gallium_vdpau = true
545  endif
546endif
547
548if with_gallium_vdpau
549  pre_args += '-DHAVE_ST_VDPAU'
550endif
551vdpau_drivers_path = get_option('vdpau-libs-path')
552if vdpau_drivers_path == ''
553  vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
554endif
555
556if with_gallium_zink
557  dep_vulkan = dependency('vulkan')
558endif
559
560if with_vulkan_overlay_layer or with_aco_tests
561  prog_glslang = find_program('glslangValidator')
562endif
563
564_xvmc = get_option('gallium-xvmc')
565if _xvmc == 'true'
566  _xvmc = 'enabled'
567  warning('gallium-xvmc option "true" deprecated, please use "enabled" instead.')
568elif _xvmc == 'false'
569  _xvmc = 'disabled'
570  warning('gallium-xvmc option "false" deprecated, please use "disabled" instead.')
571endif
572if not system_has_kms_drm
573  if _xvmc == 'enabled'
574    error('XVMC state tracker can only be build on unix-like OSes.')
575  else
576    _xvmc = 'disabled'
577  endif
578elif not with_platform_x11
579  if _xvmc == 'enabled'
580    error('XVMC state tracker requires X11 support.')
581  else
582    _xvmc = 'disabled'
583  endif
584elif not (with_gallium_r600 or with_gallium_nouveau)
585  if _xvmc == 'enabled'
586    error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
587  else
588    _xvmc = 'disabled'
589  endif
590endif
591dep_xvmc = null_dep
592dep_xv = null_dep
593with_gallium_xvmc = false
594if _xvmc != 'disabled'
595  dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'enabled')
596  dep_xv = dependency('xv', required : _xvmc == 'enabled')
597  with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
598endif
599
600xvmc_drivers_path = get_option('xvmc-libs-path')
601if xvmc_drivers_path == ''
602  xvmc_drivers_path = get_option('libdir')
603endif
604
605_omx = get_option('gallium-omx')
606if not system_has_kms_drm
607  if ['auto', 'disabled'].contains(_omx)
608    _omx = 'disabled'
609  else
610    error('OMX state tracker can only be built on unix-like OSes.')
611  endif
612elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
613  if ['auto', 'disabled'].contains(_omx)
614    _omx = 'disabled'
615  else
616    error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
617  endif
618endif
619with_gallium_omx = _omx
620dep_omx = null_dep
621dep_omx_other = []
622if ['auto', 'bellagio'].contains(_omx)
623  dep_omx = dependency(
624    'libomxil-bellagio', required : _omx == 'bellagio'
625  )
626  if dep_omx.found()
627    with_gallium_omx = 'bellagio'
628  endif
629endif
630if ['auto', 'tizonia'].contains(_omx)
631  if with_dri and with_egl
632    dep_omx = dependency(
633      'libtizonia', version : '>= 0.10.0',
634      required : _omx == 'tizonia',
635    )
636    dep_omx_other = [
637      dependency('libtizplatform', required : _omx == 'tizonia'),
638      dependency('tizilheaders', required : _omx == 'tizonia'),
639    ]
640    if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
641      with_gallium_omx = 'tizonia'
642    endif
643  elif _omx == 'tizonia'
644    error('OMX-Tizonia state tracker requires dri and egl')
645  endif
646endif
647if _omx == 'auto'
648  with_gallium_omx = 'disabled'
649else
650  with_gallium_omx = _omx
651endif
652
653pre_args += [
654  '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
655  '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
656]
657
658
659omx_drivers_path = get_option('omx-libs-path')
660
661if with_gallium_omx != 'disabled'
662  # Figure out where to put the omx driver.
663  # FIXME: this could all be vastly simplified by adding a 'defined_variable'
664  # argument to meson's get_pkgconfig_variable method.
665  if omx_drivers_path == ''
666    _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
667    _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
668    if _omx_libdir == get_option('libdir')
669      omx_drivers_path = _omx_drivers_dir
670    else
671      _omx_base_dir = []
672      # This will fail on windows. Does OMX run on windows?
673      _omx_libdir = _omx_libdir.split('/')
674      _omx_drivers_dir = _omx_drivers_dir.split('/')
675      foreach o : _omx_drivers_dir
676        if not _omx_libdir.contains(o)
677          _omx_base_dir += o
678        endif
679      endforeach
680      omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
681    endif
682  endif
683endif
684
685_va = get_option('gallium-va')
686if _va == 'true'
687  _va = 'enabled'
688  warning('gallium-va option "true" deprecated, please use "enabled" instead.')
689elif _va == 'false'
690  _va = 'disabled'
691  warning('gallium-va option "false" deprecated, please use "disabled" instead.')
692endif
693if not system_has_kms_drm
694  if _va == 'enabled'
695    error('VA state tracker can only be built on unix-like OSes.')
696  else
697    _va = 'disabled'
698  endif
699elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
700  if _va == 'enabled'
701    error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
702  else
703    _va = 'disabled'
704  endif
705endif
706with_gallium_va = false
707dep_va = null_dep
708if _va != 'disabled'
709  dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'enabled')
710  if dep_va.found()
711    dep_va_headers = dep_va.partial_dependency(compile_args : true)
712    with_gallium_va = true
713  endif
714endif
715
716va_drivers_path = get_option('va-libs-path')
717if va_drivers_path == ''
718  va_drivers_path = join_paths(get_option('libdir'), 'dri')
719endif
720
721_xa = get_option('gallium-xa')
722if _xa == 'true'
723  _xa = 'enabled'
724  warning('gallium-xa option "true" deprecated, please use "enabled" instead.')
725elif _xa == 'false'
726  _xa = 'disabled'
727  warning('gallium-xa option "false" deprecated, please use "disabled" instead.')
728endif
729if not system_has_kms_drm
730  if _xa == 'enabled'
731    error('XA state tracker can only be built on unix-like OSes.')
732  else
733    _xa = 'disabled'
734  endif
735elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
736          or with_gallium_svga)
737  if _xa == 'enabled'
738    error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
739  else
740    _xa = 'disabled'
741  endif
742endif
743with_gallium_xa = _xa != 'disabled'
744
745d3d_drivers_path = get_option('d3d-drivers-path')
746if d3d_drivers_path == ''
747  d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
748endif
749
750with_gallium_st_nine =  get_option('gallium-nine')
751if with_gallium_st_nine
752  if not with_gallium_softpipe
753    error('The nine state tracker requires gallium softpipe/llvmpipe.')
754  elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
755            or with_gallium_r300 or with_gallium_svga or with_gallium_i915
756            or with_gallium_iris)
757    error('The nine state tracker requires at least one non-swrast gallium driver.')
758  endif
759  if not with_dri3
760    error('Using nine with wine requires dri3')
761  endif
762endif
763_power8 = get_option('power8')
764if _power8 == 'true'
765  _power8 = 'enabled'
766  warning('power8 option "true" deprecated, please use "enabled" instead.')
767elif _power8 == 'false'
768  _power8 = 'disabled'
769  warning('power8 option "false" deprecated, please use "disabled" instead.')
770endif
771if _power8 != 'disabled'
772  # on old versions of meson the cpu family would return as ppc64le on little
773  # endian power8, this was changed in 0.48 such that the family would always
774  # be ppc64 regardless of endianness, and then the machine.endian() value
775  # should be checked. Since we support versions < 0.48 we need to use
776  # startswith.
777  if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
778    if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
779      error('Altivec is not supported with gcc version < 4.8.')
780    endif
781    if cc.compiles('''
782        #include <altivec.h>
783        int main() {
784          vector unsigned char r;
785          vector unsigned int v = vec_splat_u32 (1);
786          r = __builtin_vec_vgbbd ((vector unsigned char) v);
787          return 0;
788        }''',
789        args : '-mpower8-vector',
790        name : 'POWER8 intrinsics')
791      pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
792    elif get_option('power8') == 'enabled'
793      error('POWER8 intrinsic support required but not found.')
794    endif
795  endif
796endif
797
798_opencl = get_option('gallium-opencl')
799if _opencl != 'disabled'
800  if not with_gallium
801    error('OpenCL Clover implementation requires at least one gallium driver.')
802  endif
803
804  with_clc = true
805  with_gallium_opencl = true
806  with_opencl_icd = _opencl == 'icd'
807else
808  with_gallium_opencl = false
809  with_opencl_icd = false
810endif
811
812dep_clc = null_dep
813if with_clc
814  dep_clc = dependency('libclc')
815endif
816
817gl_pkgconfig_c_flags = []
818if with_platform_x11
819  if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
820    pre_args += '-DHAVE_X11_PLATFORM'
821  endif
822  if with_glx == 'xlib' or with_glx == 'gallium-xlib'
823    pre_args += '-DUSE_XSHM'
824  else
825    pre_args += '-DGLX_INDIRECT_RENDERING'
826    if with_glx_direct
827      pre_args += '-DGLX_DIRECT_RENDERING'
828    endif
829    if with_dri_platform == 'drm'
830      pre_args += '-DGLX_USE_DRM'
831    elif with_dri_platform == 'apple'
832      pre_args += '-DGLX_USE_APPLEGL'
833    elif with_dri_platform == 'windows'
834      pre_args += '-DGLX_USE_WINDOWSGL'
835    endif
836  endif
837else
838  pre_args += '-DEGL_NO_X11'
839  gl_pkgconfig_c_flags += '-DEGL_NO_X11'
840endif
841if with_gbm
842  pre_args += '-DHAVE_DRM_PLATFORM'
843endif
844
845with_android_stub = get_option('android-stub')
846if with_android_stub and not with_platform_android
847  error('`-D android-stub=true` makes no sense without `-D platforms=android`')
848endif
849
850if with_platform_android
851  if not with_android_stub
852    dep_android = [
853      dependency('cutils'),
854      dependency('hardware'),
855      dependency('sync'),
856      dependency('backtrace')
857    ]
858    if get_option('platform-sdk-version') >= 26
859      dep_android += dependency('nativewindow')
860    endif
861  endif
862  pre_args += [
863    '-DHAVE_ANDROID_PLATFORM',
864    '-DANDROID',
865    '-DANDROID_API_LEVEL=' + get_option('platform-sdk-version').to_string()
866  ]
867endif
868if with_platform_haiku
869  pre_args += '-DHAVE_HAIKU_PLATFORM'
870endif
871
872prog_python = import('python').find_installation('python3')
873has_mako = run_command(
874  prog_python, '-c',
875  '''
876from distutils.version import StrictVersion
877import mako
878assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
879  ''')
880if has_mako.returncode() != 0
881  error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
882endif
883
884if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
885  error('When using GCC, version 4.4.6 or later is required.')
886endif
887
888# Support systems without ETIME (e.g. FreeBSD)
889if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
890  pre_args += '-DETIME=ETIMEDOUT'
891endif
892
893# Define DEBUG for debug builds only (debugoptimized is not included on this one)
894if get_option('buildtype') == 'debug'
895  pre_args += '-DDEBUG'
896endif
897
898with_shader_cache = false
899_shader_cache = get_option('shader-cache')
900if _shader_cache == 'true'
901  _shader_cache = 'enabled'
902  warning('shader_cache option "true" deprecated, please use "enabled" instead.')
903elif _shader_cache == 'false'
904  _shader_cache = 'disabled'
905  warning('shader_cache option "false" deprecated, please use "disabled" instead.')
906endif
907if _shader_cache != 'disabled'
908  if host_machine.system() == 'windows'
909    if _shader_cache == 'enabled'
910      error('Shader Cache does not currently work on Windows')
911    endif
912  else
913    pre_args += '-DENABLE_SHADER_CACHE'
914    if not get_option('shader-cache-default')
915      pre_args += '-DSHADER_CACHE_DISABLE_BY_DEFAULT'
916    endif
917    with_shader_cache = true
918  endif
919endif
920
921# Check for GCC style builtins
922foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
923             'ffsll', 'popcount', 'popcountll', 'unreachable']
924  if cc.has_function(b)
925    pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
926  endif
927endforeach
928
929# check for GCC __attribute__
930_attributes = [
931  'const', 'flatten', 'malloc', 'pure', 'unused', 'warn_unused_result',
932  'weak', 'format', 'packed', 'returns_nonnull', 'alias', 'noreturn',
933]
934foreach a : cc.get_supported_function_attributes(_attributes)
935  pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
936endforeach
937if cc.has_function_attribute('visibility:hidden')
938  pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
939endif
940if cc.compiles('__uint128_t foo(void) { return 0; }',
941               name : '__uint128_t')
942  pre_args += '-DHAVE_UINT128'
943endif
944
945# TODO: this is very incomplete
946if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd'].contains(host_machine.system())
947  pre_args += '-D_GNU_SOURCE'
948elif host_machine.system() == 'sunos'
949  pre_args += '-D__EXTENSIONS__'
950elif host_machine.system() == 'windows'
951  pre_args += [
952    '-D_WINDOWS', '-D_WIN32_WINNT=0x0A00', '-DWINVER=0x0A00',
953    '-DPIPE_SUBSYSTEM_WINDOWS_USER',
954    '-D_USE_MATH_DEFINES',  # XXX: scons doesn't use this for mingw
955  ]
956  if cc.get_id() == 'msvc'
957    pre_args += [
958      '-DVC_EXTRALEAN',
959      '-D_CRT_SECURE_NO_WARNINGS',
960      '-D_CRT_SECURE_NO_DEPRECATE',
961      '-D_SCL_SECURE_NO_WARNINGS',
962      '-D_SCL_SECURE_NO_DEPRECATE',
963      '-D_ALLOW_KEYWORD_MACROS',
964      '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
965    ]
966  else
967    pre_args += ['-D__MSVCRT_VERSION__=0x0700']
968  endif
969elif host_machine.system() == 'openbsd'
970  pre_args += '-D_ISOC11_SOURCE'
971endif
972
973# Check for generic C arguments
974c_args = []
975c_msvc_compat_args = []
976no_override_init_args = []
977cpp_args = []
978cpp_msvc_compat_args = []
979if cc.get_id() == 'msvc'
980  foreach a : ['/wd4018',  # signed/unsigned mismatch
981               '/wd4056',  # overflow in floating-point constant arithmetic
982               '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
983               '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
984               '/wd4305',  # trancation from 'type1' to 'type2'
985               '/wd4351',  # new behavior: elements of array 'array' will be default initialized
986               '/wd4756',  # overflow in constant arithmetic
987               '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
988               '/wd4996',  # disabled deprecated POSIX name warnings
989               '/wd4291',  # no matching operator delete found
990               '/wd4146',  # unary minus operator applied to unsigned type, result still unsigned
991               '/wd4200',  # nonstandard extension used: zero-sized array in struct/union
992               '/wd4624',  # destructor was implicitly defined as deleted [from LLVM]
993               '/wd4309',  # 'initializing': truncation of constant value
994               '/wd4838',  # conversion from 'int' to 'const char' requires a narrowing conversion
995               '/we4020',  # Error when passing the wrong number of parameters
996               '/we4024',  # Error when passing different type of parameter
997              ]
998    if cc.has_argument(a)
999      c_args += a
1000    endif
1001    if cpp.has_argument(a)
1002      cpp_args += a
1003    endif
1004  endforeach
1005else
1006  _trial = [
1007    '-Werror=implicit-function-declaration',
1008    '-Werror=missing-prototypes',
1009    '-Werror=return-type',
1010    '-Werror=empty-body',
1011    '-Werror=incompatible-pointer-types',
1012    '-Werror=int-conversion',
1013    '-Wimplicit-fallthrough',
1014    '-Wno-missing-field-initializers',
1015    '-Wno-format-truncation',
1016    '-fno-math-errno',
1017    '-fno-trapping-math',
1018    '-Qunused-arguments',
1019    '-fno-common',
1020  ]
1021  # MinGW chokes on format specifiers and I can't get it all working
1022  if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
1023    _trial += ['-Werror=format', '-Wformat-security']
1024  endif
1025  foreach a : _trial
1026    if cc.has_argument(a)
1027      c_args += a
1028    endif
1029  endforeach
1030
1031  _trial = [
1032    '-Werror=return-type',
1033    '-Werror=empty-body',
1034    '-Wno-non-virtual-dtor',
1035    '-Wno-missing-field-initializers',
1036    '-Wno-format-truncation',
1037    '-fno-math-errno',
1038    '-fno-trapping-math',
1039    '-Qunused-arguments',
1040    # Some classes use custom new operator which zeroes memory, however
1041    # gcc does aggressive dead-store elimination which threats all writes
1042    # to the memory before the constructor as "dead stores".
1043    # For now we disable this optimization.
1044    '-flifetime-dse=1',
1045  ]
1046  # MinGW chokes on format specifiers and I can't get it all working
1047  if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
1048    _trial += ['-Werror=format', '-Wformat-security']
1049  endif
1050  foreach a : _trial
1051    if cpp.has_argument(a)
1052      cpp_args += a
1053    endif
1054  endforeach
1055
1056  foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
1057    if cc.has_argument(a)
1058      no_override_init_args += a
1059    endif
1060  endforeach
1061
1062  # Check for C and C++ arguments for MSVC compatibility. These are only used
1063  # in parts of the mesa code base that need to compile with MSVC, mainly
1064  # common code
1065  foreach a : ['-Werror=pointer-arith', '-Werror=vla', '-Werror=gnu-empty-initializer']
1066    if cc.has_argument(a)
1067      c_msvc_compat_args += a
1068    endif
1069    if cpp.has_argument(a)
1070      cpp_msvc_compat_args += a
1071    endif
1072  endforeach
1073
1074  if cc.has_argument('-Wmicrosoft-enum-value')  # Clang
1075    c_args += '-Wno-microsoft-enum-value'
1076    cpp_args += '-Wno-microsoft-enum-value'
1077  endif
1078endif
1079
1080# set linker arguments
1081if host_machine.system() == 'windows'
1082  if cc.get_id() == 'msvc'
1083    add_project_link_arguments(
1084      '/fixed:no',
1085      '/dynamicbase',
1086      '/nxcompat',
1087      language : ['c', 'cpp'],
1088    )
1089    if get_option('buildtype') != 'debug'
1090      add_project_link_arguments(
1091        '/incremental:no',
1092        language : ['c', 'cpp'],
1093      )
1094    endif
1095  else
1096    add_project_link_arguments(
1097      '-Wl,--nxcompat',
1098      '-Wl,--dynamicbase',
1099      '-static-libgcc',
1100      '-static-libstdc++',
1101      language : ['c', 'cpp'],
1102    )
1103  endif
1104endif
1105
1106if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1107  pre_args += '-DUSE_SSE41'
1108  with_sse41 = true
1109  sse41_args = ['-msse4.1']
1110
1111  # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1112  # that's not guaranteed
1113  if host_machine.cpu_family() == 'x86'
1114    sse41_args += '-mstackrealign'
1115  endif
1116else
1117  with_sse41 = false
1118  sse41_args = []
1119endif
1120
1121# Check for GCC style atomics
1122dep_atomic = null_dep
1123
1124if cc.compiles('''#include <stdint.h>
1125                  int main() {
1126                    struct {
1127                      uint64_t *v;
1128                    } x;
1129                    return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1130                           (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1131
1132                  }''',
1133               name : 'GCC atomic builtins')
1134  pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1135
1136  # Not all atomic calls can be turned into lock-free instructions, in which
1137  # GCC will make calls into the libatomic library. Check whether we need to
1138  # link with -latomic.
1139  #
1140  # This can happen for 64-bit atomic operations on 32-bit architectures such
1141  # as ARM.
1142  if not cc.links('''#include <stdint.h>
1143                     int main() {
1144                       struct {
1145                         uint64_t *v;
1146                       } x;
1147                       return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1148                              (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1149                     }''',
1150                  name : 'GCC atomic builtins required -latomic')
1151    dep_atomic = cc.find_library('atomic')
1152  endif
1153endif
1154if not cc.links('''#include <stdint.h>
1155                   uint64_t v;
1156                   int main() {
1157                     return __sync_add_and_fetch(&v, (uint64_t)1);
1158                   }''',
1159                dependencies : dep_atomic,
1160                name : 'GCC 64bit atomics')
1161  pre_args += '-DMISSING_64BIT_ATOMICS'
1162endif
1163
1164dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1165
1166# TODO: shared/static? Is this even worth doing?
1167
1168with_asm_arch = ''
1169if host_machine.cpu_family() == 'x86'
1170  if system_has_kms_drm or host_machine.system() == 'gnu'
1171    with_asm_arch = 'x86'
1172    pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1173                 '-DUSE_SSE_ASM']
1174
1175    if with_glx_read_only_text
1176      pre_args += ['-DGLX_X86_READONLY_TEXT']
1177    endif
1178  endif
1179elif host_machine.cpu_family() == 'x86_64'
1180  if system_has_kms_drm
1181    with_asm_arch = 'x86_64'
1182    pre_args += ['-DUSE_X86_64_ASM']
1183  endif
1184elif host_machine.cpu_family() == 'arm'
1185  if system_has_kms_drm
1186    with_asm_arch = 'arm'
1187    pre_args += ['-DUSE_ARM_ASM']
1188  endif
1189elif host_machine.cpu_family() == 'aarch64'
1190  if system_has_kms_drm
1191    with_asm_arch = 'aarch64'
1192    pre_args += ['-DUSE_AARCH64_ASM']
1193  endif
1194elif host_machine.cpu_family() == 'sparc64'
1195  if system_has_kms_drm
1196    with_asm_arch = 'sparc'
1197    pre_args += ['-DUSE_SPARC_ASM']
1198  endif
1199elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1200  if system_has_kms_drm
1201    with_asm_arch = 'ppc64le'
1202    pre_args += ['-DUSE_PPC64LE_ASM']
1203  endif
1204endif
1205
1206# Check for standard headers and functions
1207if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1208  cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1209  cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1210  pre_args += '-DMAJOR_IN_SYSMACROS'
1211endif
1212if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1213  cc.has_header_symbol('sys/mkdev.h', 'minor') and
1214  cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1215  pre_args += '-DMAJOR_IN_MKDEV'
1216endif
1217
1218if not ['linux'].contains(host_machine.system())
1219  # Deprecated on Linux and requires <sys/types.h> on FreeBSD and OpenBSD
1220  if cc.check_header('sys/sysctl.h', prefix : '#include <sys/types.h>')
1221    pre_args += '-DHAVE_SYS_SYSCTL_H'
1222  endif
1223endif
1224
1225foreach h : ['xlocale.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h', 'pthread_np.h']
1226  if cc.check_header(h)
1227    pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1228  endif
1229endforeach
1230
1231foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r', 'flock', 'strtok_r', 'getrandom']
1232  if cc.has_function(f)
1233    pre_args += '-DHAVE_@0@'.format(f.to_upper())
1234  endif
1235endforeach
1236
1237if cc.has_header_symbol('errno.h', 'program_invocation_name',
1238                        args : '-D_GNU_SOURCE')
1239   pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1240elif with_tools.contains('intel')
1241  error('Intel tools require the program_invocation_name variable')
1242endif
1243
1244# MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1245# This means that this check will succeed, but then compilation will later
1246# fail. MSVC doesn't have this function at all, so only check for it on
1247# non-windows platforms.
1248if host_machine.system() != 'windows'
1249  if cc.has_function('posix_memalign')
1250    pre_args += '-DHAVE_POSIX_MEMALIGN'
1251  endif
1252endif
1253
1254if cc.has_member('struct dirent', 'd_type', prefix: '''#include <sys/types.h>
1255   #include <dirent.h>''')
1256   pre_args += '-DHAVE_DIRENT_D_TYPE'
1257endif
1258
1259# strtod locale support
1260if cc.links('''
1261    #define _GNU_SOURCE
1262    #include <stdlib.h>
1263    #include <locale.h>
1264    #ifdef HAVE_XLOCALE_H
1265    #include <xlocale.h>
1266    #endif
1267    int main() {
1268      locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1269      const char *s = "1.0";
1270      char *end;
1271      double d = strtod_l(s, end, loc);
1272      float f = strtof_l(s, end, loc);
1273      freelocale(loc);
1274      return 0;
1275    }''',
1276    args : pre_args,
1277    name : 'strtod has locale support')
1278  pre_args += '-DHAVE_STRTOD_L'
1279endif
1280
1281# Check for some linker flags
1282ld_args_bsymbolic = []
1283if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1284  ld_args_bsymbolic += '-Wl,-Bsymbolic'
1285endif
1286ld_args_gc_sections = []
1287if cc.links('static char unused() { return 5; } int main() { return 0; }',
1288            args : '-Wl,--gc-sections', name : 'gc-sections')
1289  ld_args_gc_sections += '-Wl,--gc-sections'
1290endif
1291with_ld_version_script = false
1292if cc.links('int main() { return 0; }',
1293            args : '-Wl,--version-script=@0@'.format(
1294              join_paths(meson.source_root(), 'build-support/conftest.map')),
1295            name : 'version-script')
1296  with_ld_version_script = true
1297endif
1298with_ld_dynamic_list = false
1299if cc.links('int main() { return 0; }',
1300            args : '-Wl,--dynamic-list=@0@'.format(
1301              join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1302            name : 'dynamic-list')
1303  with_ld_dynamic_list = true
1304endif
1305
1306ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1307
1308# check for dl support
1309dep_dl = null_dep
1310if not cc.has_function('dlopen')
1311  dep_dl = cc.find_library('dl', required : host_machine.system() != 'windows')
1312endif
1313if cc.has_function('dladdr', dependencies : dep_dl)
1314  # This is really only required for megadrivers
1315  pre_args += '-DHAVE_DLADDR'
1316endif
1317
1318if cc.has_function('dl_iterate_phdr')
1319  pre_args += '-DHAVE_DL_ITERATE_PHDR'
1320elif with_intel_vk
1321  error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1322elif with_dri_i965 and with_shader_cache
1323  error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1324endif
1325
1326# Determine whether or not the rt library is needed for time functions
1327if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1328  dep_clock = null_dep
1329else
1330  dep_clock = cc.find_library('rt')
1331endif
1332
1333# TODO: some of these may be conditional
1334dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1335pre_args += '-DHAVE_ZLIB'
1336
1337_zstd = get_option('zstd')
1338if _zstd == 'true'
1339  _zstd = 'enabled'
1340  warning('zstd option "true" deprecated, please use "enabled" instead.')
1341elif _zstd == 'false'
1342  _zstd = 'disabled'
1343  warning('zstd option "false" deprecated, please use "disabled" instead.')
1344endif
1345if _zstd != 'disabled'
1346  dep_zstd = dependency('libzstd', required : _zstd == 'enabled')
1347  if dep_zstd.found()
1348    pre_args += '-DHAVE_ZSTD'
1349  endif
1350else
1351  dep_zstd = null_dep
1352endif
1353
1354dep_thread = dependency('threads')
1355if dep_thread.found() and host_machine.system() != 'windows'
1356  pre_args += '-DHAVE_PTHREAD'
1357  if host_machine.system() != 'netbsd' and cc.has_function(
1358      'pthread_setaffinity_np',
1359      dependencies : dep_thread,
1360      prefix : '#include <pthread.h>',
1361      args : '-D_GNU_SOURCE')
1362    pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1363  endif
1364endif
1365if host_machine.system() != 'windows'
1366  dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'],
1367                         required: not with_platform_android or with_any_broadcom or with_any_intel)
1368else
1369  dep_expat = null_dep
1370endif
1371# this only exists on linux so either this is linux and it will be found, or
1372# it's not linux and wont
1373dep_m = cc.find_library('m', required : false)
1374
1375# Check for libdrm. Various drivers have different libdrm version requirements,
1376# but we always want to use the same version for all libdrm modules. That means
1377# even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1378# bar are both on use 2.4.3 for both of them
1379dep_libdrm_amdgpu = null_dep
1380dep_libdrm_radeon = null_dep
1381dep_libdrm_nouveau = null_dep
1382dep_libdrm_intel = null_dep
1383
1384_drm_amdgpu_ver = '2.4.100'
1385_drm_radeon_ver = '2.4.71'
1386_drm_nouveau_ver = '2.4.102'
1387_drm_intel_ver = '2.4.75'
1388_drm_ver = '2.4.81'
1389
1390_libdrm_checks = [
1391  ['intel', with_dri_i915 or with_gallium_i915],
1392  ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1393  ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1394              with_gallium_r300 or with_gallium_r600)],
1395  ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1396]
1397
1398# VC4 only needs core libdrm support of this version, not a libdrm_vc4
1399# library.
1400if with_gallium_vc4
1401  _drm_ver = '2.4.89'
1402endif
1403
1404# etnaviv only needs core libdrm
1405if with_gallium_etnaviv
1406  _drm_ver = '2.4.89'
1407endif
1408
1409# Loop over the enables versions and get the highest libdrm requirement for all
1410# active drivers.
1411_drm_blame = ''
1412foreach d : _libdrm_checks
1413  ver = get_variable('_drm_@0@_ver'.format(d[0]))
1414  if d[1] and ver.version_compare('>' + _drm_ver)
1415    _drm_ver = ver
1416    _drm_blame = d[0]
1417  endif
1418endforeach
1419if _drm_blame != ''
1420  message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1421endif
1422
1423# Then get each libdrm module
1424foreach d : _libdrm_checks
1425  if d[1]
1426    set_variable(
1427      'dep_libdrm_' + d[0],
1428      dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1429    )
1430  endif
1431endforeach
1432
1433with_gallium_drisw_kms = false
1434dep_libdrm = dependency(
1435  'libdrm', version : '>=' + _drm_ver,
1436  # GNU/Hurd includes egl_dri2, without drm.
1437  required : (with_dri2 and host_machine.system() != 'gnu') or with_dri3
1438)
1439if dep_libdrm.found()
1440  pre_args += '-DHAVE_LIBDRM'
1441  if with_dri_platform == 'drm' and with_dri
1442    with_gallium_drisw_kms = true
1443  endif
1444endif
1445
1446llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
1447llvm_optional_modules = ['coroutines']
1448if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1449  llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1450  if with_gallium_r600
1451    llvm_modules += 'asmparser'
1452  endif
1453endif
1454if with_gallium_opencl
1455  llvm_modules += [
1456    'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1457    'lto', 'option', 'objcarcopts', 'profiledata',
1458  ]
1459endif
1460
1461if with_amd_vk or with_gallium_radeonsi or with_gallium_opencl
1462  _llvm_version = '>= 8.0.0'
1463elif with_gallium_swr
1464  _llvm_version = '>= 6.0.0'
1465else
1466  _llvm_version = '>= 3.9.0'
1467endif
1468
1469_shared_llvm = get_option('shared-llvm')
1470if _shared_llvm == 'true'
1471  _shared_llvm = 'enabled'
1472  warning('shared_llvm option "true" deprecated, please use "enabled" instead.')
1473elif _shared_llvm == 'false'
1474  _shared_llvm = 'disabled'
1475  warning('shared_llvm option "false" deprecated, please use "disabled" instead.')
1476endif
1477if _shared_llvm == 'auto'
1478  _shared_llvm = (host_machine.system() != 'windows')
1479else
1480  _shared_llvm = (_shared_llvm == 'enabled')
1481endif
1482_llvm = get_option('llvm')
1483if _llvm == 'true'
1484  _llvm = 'enabled'
1485  warning('llvm option "true" deprecated, please use "enabled" instead.')
1486elif _llvm == 'false'
1487  _llvm = 'disabled'
1488  warning('llvm option "false" deprecated, please use "disabled" instead.')
1489endif
1490
1491# the cmake method can only link statically, so don't attempt to use it if we
1492# want to link dynamically. Before 0.54.0 meson will try cmake even when shared
1493# linking is requested, so we need to force the config-tool method to be used
1494# in that case, but in 0.54.0 meson won't try the cmake method if shared
1495# linking is requested.
1496_llvm_method = 'auto'
1497if meson.version().version_compare('< 0.54.0') and _shared_llvm
1498  _llvm_method = 'config-tool'
1499endif
1500
1501dep_llvm = null_dep
1502with_llvm = false
1503if _llvm != 'disabled'
1504  dep_llvm = dependency(
1505    'llvm',
1506    version : _llvm_version,
1507    modules : llvm_modules,
1508    optional_modules : llvm_optional_modules,
1509    required : (
1510      with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1511      with_gallium_opencl or _llvm == 'enabled'
1512    ),
1513    static : not _shared_llvm,
1514    method : _llvm_method,
1515    fallback : ['llvm', 'dep_llvm'],
1516  )
1517  with_llvm = dep_llvm.found()
1518endif
1519if with_llvm
1520  pre_args += '-DLLVM_AVAILABLE'
1521  pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1522  pre_args += '-DLLVM_IS_SHARED=@0@'.format(_shared_llvm.to_int())
1523
1524  # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1525  # programs, so we need to build all C++ code in mesa without rtti as well to
1526  # ensure that linking works.
1527  #
1528  # In meson 0.51.0 we can use cmake to find LLVM in addittion to meson's
1529  # builtin llvm-config based finder. A new generic variable getter method
1530  # has also been added, so we'll use that if we can, to cover the cmake case.
1531  if dep_llvm.type_name() == 'internal'
1532    _rtti = subproject('llvm').get_variable('has_rtti', true)
1533  else
1534    # The CMake finder will return 'ON', the llvm-config will return 'YES'
1535    _rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1536  endif
1537  if not _rtti
1538    if with_gallium_nouveau
1539      error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1540    elif with_gallium_opencl
1541      error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1542    endif
1543    if cc.get_id() == 'msvc'
1544      cpp_args += '/GR-'
1545    else
1546      cpp_args += '-fno-rtti'
1547    endif
1548  endif
1549elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1550  error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1551elif with_gallium_opencl
1552  error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1553endif
1554
1555with_opencl_spirv = _opencl != 'disabled' and get_option('opencl-spirv')
1556if with_opencl_spirv
1557  chosen_llvm_version_array = dep_llvm.version().split('.')
1558  chosen_llvm_version_major = chosen_llvm_version_array[0].to_int()
1559  chosen_llvm_version_minor = chosen_llvm_version_array[1].to_int()
1560
1561  # Require an SPIRV-LLVM-Translator version compatible with the chosen LLVM
1562  # one.
1563  _llvmspirvlib_version = [
1564    # This first version check is still needed as maybe LLVM 8.0 was picked but
1565    # we do not want to accept SPIRV-LLVM-Translator 8.0.0.1 as that version does
1566    # not have the required API and those are only available starting from
1567    # 8.0.1.3.
1568    '>= 8.0.1.3',
1569    '>= @0@.@1@'.format(chosen_llvm_version_major, chosen_llvm_version_minor),
1570    '< @0@.@1@'.format(chosen_llvm_version_major, chosen_llvm_version_minor + 1) ]
1571
1572  dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
1573  # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
1574  dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : _llvmspirvlib_version)
1575else
1576  dep_spirv_tools = null_dep
1577  dep_llvmspirvlib = null_dep
1578endif
1579
1580if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1581    (with_gallium_r600 and with_llvm))
1582  dep_elf = dependency('libelf', required : false)
1583  if not dep_elf.found()
1584    dep_elf = cc.find_library('elf')
1585  endif
1586else
1587  dep_elf = null_dep
1588endif
1589
1590dep_glvnd = null_dep
1591if with_glvnd
1592  dep_glvnd = dependency('libglvnd', version : '>= 1.3.2')
1593  pre_args += '-DUSE_LIBGLVND=1'
1594endif
1595
1596_valgrind = get_option('valgrind')
1597if _valgrind == 'true'
1598  _valgrind = 'enabled'
1599  warning('valgrind option "true" deprecated, please use "enabled" instead.')
1600elif _valgrind == 'false'
1601  _valgrind = 'disabled'
1602  warning('valgrind option "false" deprecated, please use "disabled" instead.')
1603endif
1604if _valgrind != 'disabled'
1605  dep_valgrind = dependency('valgrind', required : _valgrind == 'enabled')
1606  if dep_valgrind.found()
1607    pre_args += '-DHAVE_VALGRIND'
1608  endif
1609else
1610  dep_valgrind = null_dep
1611endif
1612
1613# pthread stubs. Lets not and say we didn't
1614
1615if host_machine.system() == 'windows'
1616  # Prefer the winflexbison versions, they're much easier to install and have
1617  # better windows support.
1618
1619  prog_flex = find_program('win_flex', required : false)
1620  if prog_flex.found()
1621    # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1622    # _fileno functions)
1623    prog_flex = [prog_flex, '--wincompat', '-D__STDC_VERSION__=199901']
1624  else
1625    prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1626  endif
1627  # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1628  # __STDC__ macro to determine whether it's safe to use const keyword, but
1629  # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1630  prog_flex += '-DYY_USE_CONST='
1631
1632  prog_bison = find_program('win_bison', required : false)
1633  if not prog_bison.found()
1634    prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1635  endif
1636else
1637  prog_bison = find_program('bison', required : with_any_opengl)
1638
1639  # Disable deprecated keyword warnings, since we have to use them for
1640  # old-bison compat.  See discussion in
1641  # https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2161
1642  if find_program('bison', required : false, version : '> 2.3').found()
1643    prog_bison = [prog_bison, '-Wno-deprecated']
1644  endif
1645
1646  prog_flex = find_program('flex', required : with_any_opengl)
1647endif
1648
1649dep_selinux = null_dep
1650if get_option('selinux')
1651  dep_selinux = dependency('libselinux')
1652  pre_args += '-DMESA_SELINUX'
1653endif
1654
1655_libunwind = get_option('libunwind')
1656if _libunwind == 'true'
1657  _libunwind = 'enabled'
1658  warning('libunwind option "true" deprecated, please use "enabled" instead.')
1659elif _libunwind == 'false'
1660  _libunwind = 'disabled'
1661  warning('libunwind option "false" deprecated, please use "disabled" instead.')
1662endif
1663if _libunwind != 'disabled' and not with_platform_android
1664  dep_unwind = dependency('libunwind', required : _libunwind == 'enabled')
1665  if dep_unwind.found()
1666    pre_args += '-DHAVE_LIBUNWIND'
1667  endif
1668else
1669  dep_unwind = null_dep
1670endif
1671
1672if with_osmesa != 'none'
1673  if with_osmesa == 'gallium' and not with_gallium_softpipe
1674    error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1675  endif
1676  if host_machine.system() == 'windows'
1677    osmesa_lib_name = 'osmesa'
1678  else
1679    osmesa_lib_name = 'OSMesa'
1680  endif
1681  osmesa_bits = get_option('osmesa-bits')
1682  if osmesa_bits != '8'
1683    if with_dri or with_glx != 'disabled'
1684      error('OSMesa bits must be 8 if building glx or dri based drivers')
1685    endif
1686    osmesa_lib_name = osmesa_lib_name + osmesa_bits
1687    pre_args += [
1688      '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1689    ]
1690  endif
1691endif
1692
1693# TODO: symbol mangling
1694
1695if with_platform_wayland
1696  dep_wl_scanner = dependency('wayland-scanner', native: true)
1697  prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1698  if dep_wl_scanner.version().version_compare('>= 1.15')
1699    wl_scanner_arg = 'private-code'
1700  else
1701    wl_scanner_arg = 'code'
1702  endif
1703  dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1704  dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1705  dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1706  if with_egl
1707    dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1708    dep_wayland_egl_headers = dep_wayland_egl.partial_dependency(compile_args : true)
1709  endif
1710  wayland_dmabuf_xml = join_paths(
1711    dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1712    'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1713  )
1714  pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1715endif
1716
1717dep_x11 = null_dep
1718dep_xext = null_dep
1719dep_xdamage = null_dep
1720dep_xfixes = null_dep
1721dep_x11_xcb = null_dep
1722dep_xcb = null_dep
1723dep_xcb_glx = null_dep
1724dep_xcb_dri2 = null_dep
1725dep_xcb_dri3 = null_dep
1726dep_dri2proto = null_dep
1727dep_glproto = null_dep
1728dep_xxf86vm = null_dep
1729dep_xcb_dri3 = null_dep
1730dep_xcb_present = null_dep
1731dep_xcb_sync = null_dep
1732dep_xcb_xfixes = null_dep
1733dep_xshmfence = null_dep
1734dep_xcb_xrandr = null_dep
1735dep_xcb_shm = null_dep
1736dep_xlib_xrandr = null_dep
1737if with_platform_x11
1738  if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1739    dep_x11 = dependency('x11')
1740    dep_xext = dependency('xext')
1741    dep_xcb = dependency('xcb')
1742  elif with_glx == 'dri'
1743    dep_x11 = dependency('x11')
1744    dep_xext = dependency('xext')
1745    dep_xdamage = dependency('xdamage', version : '>= 1.1')
1746    dep_xfixes = dependency('xfixes', version : '>= 2.0')
1747    dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1748    dep_xcb_shm = dependency('xcb-shm')
1749  endif
1750  if (with_any_vk or with_glx == 'dri' or with_egl or
1751       (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1752        with_gallium_omx != 'disabled'))
1753    dep_xcb = dependency('xcb')
1754    dep_x11_xcb = dependency('x11-xcb')
1755    if with_dri_platform == 'drm' and not dep_libdrm.found()
1756      error('libdrm required for gallium video statetrackers when using x11')
1757    endif
1758  endif
1759  if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1760    dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1761
1762    if with_dri3
1763      pre_args += '-DHAVE_DRI3'
1764      dep_xcb_dri3 = dependency('xcb-dri3')
1765      dep_xcb_present = dependency('xcb-present')
1766      # until xcb-dri3 has been around long enough to make a hard-dependency:
1767      if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1768          dep_xcb_present.version().version_compare('>= 1.13'))
1769        pre_args += '-DHAVE_DRI3_MODIFIERS'
1770      endif
1771      dep_xcb_sync = dependency('xcb-sync')
1772      dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1773    endif
1774  endif
1775  if with_glx == 'dri' or with_glx == 'gallium-xlib'
1776    dep_glproto = dependency('glproto', version : '>= 1.4.14')
1777  endif
1778  if with_glx == 'dri'
1779    if with_dri_platform == 'drm'
1780      dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1781      if with_glx_direct
1782        dep_xxf86vm = dependency('xxf86vm')
1783      endif
1784    endif
1785  endif
1786  if (with_egl or
1787      with_dri3 or (
1788      with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1789      with_gallium_omx != 'disabled'))
1790    dep_xcb_xfixes = dependency('xcb-xfixes')
1791  endif
1792  if with_xlib_lease
1793    dep_xcb_xrandr = dependency('xcb-randr')
1794    dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1795  endif
1796endif
1797
1798if get_option('gallium-extra-hud')
1799  pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1800endif
1801
1802_sensors = get_option('lmsensors')
1803if _sensors == 'true'
1804  _sensors = 'enabled'
1805  warning('lmsensors option "true" deprecated, please use "enabled" instead.')
1806elif _sensors == 'false'
1807  _sensors = 'disabled'
1808  warning('lmsensors option "false" deprecated, please use "disabled" instead.')
1809endif
1810if _sensors != 'disabled'
1811  dep_lmsensors = cc.find_library('sensors', required : _sensors == 'enabled')
1812  if dep_lmsensors.found()
1813    pre_args += '-DHAVE_LIBSENSORS=1'
1814  endif
1815else
1816  dep_lmsensors = null_dep
1817endif
1818
1819# If the compiler supports it, put function and data symbols in their
1820# own sections and GC the sections after linking.  This lets drivers
1821# drop shared code unused by that specific driver (particularly
1822# relevant for Vulkan drivers).
1823if cc.has_link_argument('-Wl,--gc-sections')
1824  foreach a: ['-ffunction-sections', '-fdata-sections']
1825    if cc.has_argument(a)
1826      add_project_arguments(a, language : ['c', 'cpp'])
1827    endif
1828  endforeach
1829endif
1830
1831foreach a : pre_args
1832  add_project_arguments(a, language : ['c', 'cpp'])
1833endforeach
1834foreach a : c_args
1835  add_project_arguments(a, language : ['c'])
1836endforeach
1837foreach a : cpp_args
1838  add_project_arguments(a, language : ['cpp'])
1839endforeach
1840
1841gl_priv_reqs = []
1842
1843if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1844  gl_priv_reqs += ['x11', 'xext', 'xcb']
1845elif with_glx == 'dri'
1846  gl_priv_reqs += [
1847    'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1848    'xcb-glx >= 1.8.1']
1849  if with_dri_platform == 'drm'
1850    gl_priv_reqs += 'xcb-dri2 >= 1.8'
1851    if with_glx_direct
1852      gl_priv_reqs += 'xxf86vm'
1853    endif
1854  endif
1855endif
1856if dep_libdrm.found()
1857  gl_priv_reqs += 'libdrm >= 2.4.75'
1858endif
1859
1860gl_priv_libs = []
1861if dep_thread.found()
1862  gl_priv_libs += ['-lpthread', '-pthread']
1863endif
1864if dep_m.found()
1865  gl_priv_libs += '-lm'
1866endif
1867if dep_dl.found()
1868  gl_priv_libs += '-ldl'
1869endif
1870
1871# FIXME: autotools lists this as incomplete
1872gbm_priv_libs = []
1873if dep_dl.found()
1874  gbm_priv_libs += '-ldl'
1875endif
1876
1877pkg = import('pkgconfig')
1878
1879if host_machine.system() == 'windows'
1880  prog_dumpbin = find_program('dumpbin', required : false)
1881  with_symbols_check = prog_dumpbin.found() and with_tests
1882  symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
1883else
1884  prog_nm = find_program('nm')
1885  with_symbols_check = with_tests
1886  symbols_check_args = ['--nm', prog_nm.path()]
1887endif
1888
1889# This quirk needs to be applied to sources with functions defined in assembly
1890# as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1891gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1892
1893subdir('include')
1894subdir('bin')
1895subdir('src')
1896
1897# Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1898# formatting below unless the first argument is passed as a variable. This has
1899# been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1900# for backwards compatibility.
1901_with_opengl_string = with_opengl ? 'yes' : 'no'
1902
1903lines = ['',
1904  'prefix:          ' + get_option('prefix'),
1905  'libdir:          ' + get_option('libdir'),
1906  'includedir:      ' + get_option('includedir'),
1907  '',
1908  'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1909                                                    with_gles1 ? 'yes' : 'no',
1910                                                    with_gles2 ? 'yes' : 'no'),
1911]
1912
1913if with_osmesa != 'none'
1914  lines += ''
1915  suffix = ''
1916  if with_osmesa == 'gallium'
1917    suffix = '(Gallium)'
1918  endif
1919  lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1920else
1921  lines += 'OSMesa:          no'
1922endif
1923
1924if with_dri
1925  lines += ''
1926  lines += 'DRI platform:    ' + with_dri_platform
1927  if dri_drivers.length() != 0 and dri_drivers != ['']
1928    lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1929  else
1930    lines += 'DRI drivers:     no'
1931  endif
1932  lines += 'DRI driver dir:  ' + dri_drivers_path
1933endif
1934
1935if with_glx != 'disabled'
1936  lines += ''
1937  if with_glx == 'dri'
1938    lines += 'GLX:             DRI-based'
1939  elif with_glx == 'xlib'
1940    lines += 'GLX:             Xlib-based'
1941  elif with_glx == 'gallium-xlib'
1942    lines += 'GLX:             Xlib-based (Gallium)'
1943  else
1944    lines += 'GLX:             ' + with_glx
1945  endif
1946endif
1947
1948lines += ''
1949lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1950if with_egl
1951  egl_drivers = []
1952  if with_dri
1953    egl_drivers += 'builtin:egl_dri2'
1954  endif
1955  if with_dri3
1956    egl_drivers += 'builtin:egl_dri3'
1957  endif
1958  lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1959endif
1960lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1961if with_egl or with_any_vk
1962  _platforms += 'surfaceless'
1963  if with_gbm
1964    _platforms += 'drm'
1965  endif
1966  lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1967endif
1968
1969lines += ''
1970if with_any_vk
1971  lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1972  lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1973else
1974  lines += 'Vulkan drivers:  no'
1975endif
1976
1977lines += ''
1978if with_llvm
1979  lines += 'llvm:            yes'
1980  lines += 'llvm-version:    ' + dep_llvm.version()
1981else
1982  lines += 'llvm:            no'
1983endif
1984
1985lines += ''
1986if with_gallium
1987  lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1988  gallium_st = ['mesa']
1989  if with_gallium_xa
1990    gallium_st += 'xa'
1991  endif
1992  if with_gallium_xvmc
1993    gallium_st += 'xvmc'
1994  endif
1995  if with_gallium_xvmc
1996    gallium_st += 'xvmc'
1997  endif
1998  if with_gallium_vdpau
1999    gallium_st += 'vdpau'
2000  endif
2001  if with_gallium_omx != 'disabled'
2002    gallium_st += 'omx' + with_gallium_omx
2003  endif
2004  if with_gallium_va
2005    gallium_st += 'va'
2006  endif
2007  if with_gallium_st_nine
2008    gallium_st += 'nine'
2009  endif
2010  if with_gallium_opencl
2011    gallium_st += 'clover'
2012  endif
2013  lines += 'Gallium st:      ' + ' '.join(gallium_st)
2014else
2015  lines += 'Gallium:         no'
2016endif
2017
2018lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
2019
2020lines += ''
2021lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
2022
2023
2024indent = '        '
2025summary = indent + ('\n' + indent).join(lines)
2026message('Configuration summary:\n@0@\n'.format(summary))
2027