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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('python3', 'python'), 'bin/meson_get_version.py'],
26    check : true
27  ).stdout(),
28  license : 'MIT',
29  meson_version : '>= 0.53',
30  default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c11', 'cpp_std=c++14']
31)
32
33# In recent versions, meson can inject some extra arguments to get richer
34# results from gtest based tests.  Feature was added in 0.55, but requiring
35# 0.59.2 to include an important fix.  See https://github.com/mesonbuild/meson/pull/9283.
36gtest_test_protocol = 'exitcode'
37if meson.version().version_compare('>= 0.59.2')
38  gtest_test_protocol = 'gtest'
39endif
40
41cc = meson.get_compiler('c')
42cpp = meson.get_compiler('cpp')
43
44null_dep = dependency('', required : false)
45
46if get_option('layout') != 'mirror'
47  error('`mirror` is the only build directory layout supported')
48endif
49
50# Arguments for the preprocessor, put these in a separate array from the C and
51# C++ (cpp in meson terminology) arguments since they need to be added to the
52# default arguments for both C and C++.
53pre_args = [
54  '-D__STDC_CONSTANT_MACROS',
55  '-D__STDC_FORMAT_MACROS',
56  '-D__STDC_LIMIT_MACROS',
57  '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
58  '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/-/issues"',
59]
60c_args = []
61cpp_args = []
62
63with_moltenvk_dir = get_option('moltenvk-dir')
64with_vulkan_icd_dir = get_option('vulkan-icd-dir')
65with_tests = get_option('build-tests')
66with_aco_tests = get_option('build-aco-tests')
67with_glx_read_only_text = get_option('glx-read-only-text')
68with_glx_direct = get_option('glx-direct')
69with_osmesa = get_option('osmesa')
70with_vulkan_overlay_layer = get_option('vulkan-layers').contains('overlay')
71with_vulkan_device_select_layer = get_option('vulkan-layers').contains('device-select')
72with_tools = get_option('tools')
73if with_tools.contains('all')
74  with_tools = [
75    'drm-shim',
76    'dlclose-skip',
77    'etnaviv',
78    'freedreno',
79    'glsl',
80    'intel',
81    'intel-ui',
82    'lima',
83    'nir',
84    'nouveau',
85    'xvmc',
86    'asahi',
87    'imagination',
88  ]
89endif
90
91with_any_vulkan_layers = get_option('vulkan-layers').length() != 0
92with_intel_tools = with_tools.contains('intel') or with_tools.contains('intel-ui')
93with_imgui = with_intel_tools or with_vulkan_overlay_layer
94
95dri_drivers_path = get_option('dri-drivers-path')
96if dri_drivers_path == ''
97  dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
98endif
99dri_search_path = get_option('dri-search-path')
100if dri_search_path == ''
101  dri_search_path = dri_drivers_path
102endif
103
104gbm_backends_path = get_option('gbm-backends-path')
105if gbm_backends_path == ''
106  gbm_backends_path = join_paths(get_option('prefix'), get_option('libdir'), 'gbm')
107endif
108
109with_gles1 = get_option('gles1')
110if with_gles1 == 'true'
111  with_gles1 = 'enabled'
112  warning('gles1 option "true" deprecated, please use "enabled" instead.')
113elif with_gles1 == 'false'
114  with_gles1 = 'disabled'
115  warning('gles1 option "false" deprecated, please use "disabled" instead.')
116endif
117with_gles2 = get_option('gles2')
118if with_gles2 == 'true'
119  with_gles2 = 'enabled'
120  warning('gles2 option "true" deprecated, please use "enabled" instead.')
121elif with_gles2 == 'false'
122  with_gles2 = 'disabled'
123  warning('gles2 option "false" deprecated, please use "disabled" instead.')
124endif
125if host_machine.system() == 'windows'
126  if with_gles1 == 'auto'
127    with_gles1 = 'disabled'
128  endif
129  if with_gles2 == 'auto'
130    with_gles2 = 'disabled'
131  endif
132endif
133with_opengl = get_option('opengl')
134
135# Default shared glapi off for windows, on elsewhere.
136_sg = get_option('shared-glapi')
137if _sg == 'true'
138  _sg = 'enabled'
139  warning('shared-glapi option "true" deprecated, please use "enabled" instead.')
140elif _sg == 'false'
141  _sg = 'disabled'
142  warning('shared-glapi option "false" deprecated, please use "disabled" instead.')
143endif
144if _sg == 'auto'
145  with_shared_glapi = host_machine.system() != 'windows'
146else
147  with_shared_glapi = _sg == 'enabled'
148endif
149
150# shared-glapi is required if at least two OpenGL APIs are being built
151if not with_shared_glapi
152  if ((with_gles1 == 'enabled' and with_gles2 == 'enabled') or
153      (with_gles1 == 'enabled' and with_opengl) or
154      (with_gles2 == 'enabled' and with_opengl))
155    error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
156  endif
157  with_gles1 = 'disabled'
158  with_gles2 = 'disabled'
159endif
160
161# We require OpenGL for OpenGL ES
162if not with_opengl
163  if (with_gles1 == 'enabled' or with_gles2 == 'enabled') and not with_opengl
164    error('building OpenGL ES without OpenGL is not supported.')
165  endif
166  with_gles1 = 'disabled'
167  with_gles2 = 'disabled'
168endif
169
170with_gles1 = with_gles1 != 'disabled'
171with_gles2 = with_gles2 != 'disabled'
172with_any_opengl = with_opengl or with_gles1 or with_gles2
173# Only build shared_glapi if at least one OpenGL API is enabled
174with_shared_glapi = with_shared_glapi and with_any_opengl
175
176system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux', 'sunos'].contains(host_machine.system())
177
178dri_drivers = get_option('dri-drivers')
179if dri_drivers.length() != 0
180  error('Mesa\'s main branch no longer has any "classic" drivers, use the "amber" branch instead.')
181endif
182
183with_dri = dri_drivers.length() != 0
184
185gallium_drivers = get_option('gallium-drivers')
186if gallium_drivers.contains('auto')
187  if system_has_kms_drm
188    # TODO: PPC, Sparc
189    if ['x86', 'x86_64'].contains(host_machine.cpu_family())
190      gallium_drivers = [
191        'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast',
192        'iris', 'crocus', 'i915'
193      ]
194    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
195      gallium_drivers = [
196        'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau', 'svga',
197        'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
198      ]
199    elif ['mips', 'mips64', 'riscv32', 'riscv64'].contains(host_machine.cpu_family())
200      gallium_drivers = [
201        'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'swrast'
202      ]
203    else
204      error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
205            host_machine.cpu_family()))
206    endif
207  elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
208    gallium_drivers = ['swrast']
209  else
210    error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
211          host_machine.system()))
212  endif
213endif
214with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
215with_gallium_r300 = gallium_drivers.contains('r300')
216with_gallium_r600 = gallium_drivers.contains('r600')
217with_gallium_nouveau = gallium_drivers.contains('nouveau')
218with_gallium_freedreno = gallium_drivers.contains('freedreno')
219with_gallium_softpipe = gallium_drivers.contains('swrast')
220with_gallium_vc4 = gallium_drivers.contains('vc4')
221with_gallium_v3d = gallium_drivers.contains('v3d')
222with_gallium_panfrost = gallium_drivers.contains('panfrost')
223with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
224with_gallium_tegra = gallium_drivers.contains('tegra')
225with_gallium_crocus = gallium_drivers.contains('crocus')
226with_gallium_iris = gallium_drivers.contains('iris')
227with_gallium_i915 = gallium_drivers.contains('i915')
228with_gallium_svga = gallium_drivers.contains('svga')
229with_gallium_virgl = gallium_drivers.contains('virgl')
230with_gallium_lima = gallium_drivers.contains('lima')
231with_gallium_zink = gallium_drivers.contains('zink')
232with_gallium_d3d12 = gallium_drivers.contains('d3d12')
233with_gallium_asahi = gallium_drivers.contains('asahi')
234foreach gallium_driver : gallium_drivers
235  pre_args += '-DHAVE_@0@'.format(gallium_driver.to_upper())
236endforeach
237
238with_gallium = gallium_drivers.length() != 0
239with_gallium_kmsro = with_gallium_v3d or with_gallium_vc4 or with_gallium_etnaviv or with_gallium_panfrost or with_gallium_lima or with_gallium_freedreno
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', 'riscv32', 'riscv64'].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_panfrost_vk = _vulkan_drivers.contains('panfrost')
275with_swrast_vk = _vulkan_drivers.contains('swrast')
276with_virtio_vk = _vulkan_drivers.contains('virtio-experimental')
277with_freedreno_kgsl = get_option('freedreno-kgsl')
278with_freedreno_virtio = get_option('freedreno-virtio')
279with_broadcom_vk = _vulkan_drivers.contains('broadcom')
280with_imagination_vk = _vulkan_drivers.contains('imagination-experimental')
281with_imagination_srv = get_option('imagination-srv')
282with_microsoft_vk = _vulkan_drivers.contains('microsoft-experimental')
283with_any_vk = _vulkan_drivers.length() != 0
284
285with_any_broadcom = with_gallium_vc4 or with_gallium_v3d or with_broadcom_vk
286with_any_intel = with_intel_vk or with_gallium_iris or with_gallium_crocus or with_intel_tools
287
288if with_swrast_vk and not with_gallium_softpipe
289  error('swrast vulkan requires gallium swrast')
290endif
291if with_gallium_tegra and not with_gallium_nouveau
292  error('tegra driver requires nouveau driver')
293endif
294if with_aco_tests and not with_amd_vk
295  error('ACO tests require Radv')
296endif
297
298with_microsoft_clc = get_option('microsoft-clc').enabled()
299with_intel_clc = get_option('intel-clc').enabled()
300with_clc = with_microsoft_clc or with_intel_clc
301with_libclc = with_clc
302with_spirv_to_dxil = get_option('spirv-to-dxil')
303
304if host_machine.system() == 'darwin'
305  with_dri_platform = 'apple'
306  pre_args += '-DBUILDING_MESA'
307elif ['windows', 'cygwin'].contains(host_machine.system())
308  with_dri_platform = 'windows'
309elif system_has_kms_drm
310  with_dri_platform = 'drm'
311else
312  # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
313  # assert here that one of those cases has been met.
314  # FIXME: illumos ends up here as well
315  with_dri_platform = 'none'
316endif
317
318with_vulkan_beta = get_option('vulkan-beta')
319if with_vulkan_beta
320  pre_args += '-DVK_ENABLE_BETA_EXTENSIONS'
321endif
322
323_codecs = get_option('video-codecs')
324foreach c : ['vc1dec', 'h264dec', 'h264enc', 'h265dec', 'h265enc']
325   pre_args += '-DVIDEO_CODEC_@0@=@1@'.format(c.to_upper(), _codecs.contains(c).to_int())
326endforeach
327
328_platforms = get_option('platforms')
329if _platforms.contains('auto')
330  if system_has_kms_drm
331    _platforms = ['x11', 'wayland']
332  elif ['darwin', 'cygwin'].contains(host_machine.system())
333    _platforms = ['x11']
334  elif ['haiku'].contains(host_machine.system())
335    _platforms = ['haiku']
336  elif host_machine.system() == 'windows'
337    _platforms = ['windows']
338  else
339    error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
340          host_machine.system()))
341  endif
342endif
343
344with_platform_android = _platforms.contains('android')
345with_platform_x11 = _platforms.contains('x11')
346with_platform_wayland = _platforms.contains('wayland')
347with_platform_haiku = _platforms.contains('haiku')
348with_platform_windows = _platforms.contains('windows')
349with_platform_ohos = _platforms.contains('ohos')
350
351with_glx = get_option('glx')
352if with_glx == 'auto'
353  if with_platform_android or with_platform_ohos
354    with_glx = 'disabled'
355  elif with_dri
356    with_glx = 'dri'
357  elif with_platform_haiku
358    with_glx = 'disabled'
359  elif host_machine.system() == 'windows'
360    with_glx = 'disabled'
361  elif with_gallium
362    # Even when building just gallium drivers the user probably wants dri
363    with_glx = 'dri'
364  elif with_platform_x11 and with_any_opengl and not with_any_vk
365    # The automatic behavior should not be to turn on xlib based glx when
366    # building only vulkan drivers
367    with_glx = 'xlib'
368  else
369    with_glx = 'disabled'
370  endif
371endif
372if with_glx == 'dri'
373   if with_gallium
374      with_dri = true
375   endif
376endif
377
378if not (with_dri or with_gallium or with_glx != 'disabled')
379  with_gles1 = false
380  with_gles2 = false
381  with_opengl = false
382  with_any_opengl = false
383  with_shared_glapi = false
384endif
385
386_gbm = get_option('gbm')
387if _gbm == 'true'
388  _gbm = 'enabled'
389  warning('gbm option "true" deprecated, please use "enabled" instead.')
390elif _gbm == 'false'
391  _gbm = 'disabled'
392  warning('gbm option "false" deprecated, please use "disabled" instead.')
393endif
394if _gbm == 'auto'
395  with_gbm = system_has_kms_drm and with_dri
396else
397  with_gbm = _gbm == 'enabled'
398endif
399if with_gbm and not system_has_kms_drm
400  error('GBM only supports DRM/KMS platforms')
401endif
402
403_xlib_lease = get_option('xlib-lease')
404if _xlib_lease == 'true'
405  _xlib_lease = 'enabled'
406  warning('xlib_lease option "true" deprecated, please use "enabled" instead.')
407elif _xlib_lease == 'false'
408  _xlib_lease = 'disabled'
409  warning('xlib_lease option "false" deprecated, please use "disabled" instead.')
410endif
411if _xlib_lease == 'auto'
412  with_xlib_lease = with_platform_x11 and system_has_kms_drm
413else
414  with_xlib_lease = _xlib_lease == 'enabled'
415endif
416
417if with_platform_wayland
418  c_args += '-DVK_USE_PLATFORM_WAYLAND_KHR'
419  #add this once aco and other places can build with it
420  #cpp_args += '-DVK_USE_PLATFORM_WAYLAND_KHR'
421endif
422if with_platform_x11
423  c_args += ['-DVK_USE_PLATFORM_XCB_KHR', '-DVK_USE_PLATFORM_XLIB_KHR']
424  #add this once aco and other places can build with it
425  #cpp_args += ['-DVK_USE_PLATFORM_XCB_KHR', '-DVK_USE_PLATFORM_XLIB_KHR']
426endif
427if with_platform_windows
428  c_args += '-DVK_USE_PLATFORM_WIN32_KHR'
429  #add this once aco and other places can build with it
430  #cpp_args += '-DVK_USE_PLATFORM_WIN32_KHR'
431endif
432if with_platform_android
433  c_args += '-DVK_USE_PLATFORM_ANDROID_KHR'
434  cpp_args += '-DVK_USE_PLATFORM_ANDROID_KHR'
435endif
436if with_xlib_lease
437  c_args += '-DVK_USE_PLATFORM_XLIB_XRANDR_EXT'
438  #add this once aco and other places can build with it
439  #cpp_args += '-DVK_USE_PLATFORM_XLIB_XRANDR_EXT'
440endif
441if system_has_kms_drm and not with_platform_android
442  c_args += '-DVK_USE_PLATFORM_DISPLAY_KHR'
443  cpp_args += '-DVK_USE_PLATFORM_DISPLAY_KHR'
444endif
445if host_machine.system() == 'darwin'
446  c_args += '-DVK_USE_PLATFORM_MACOS_MVK'
447  cpp_args += '-DVK_USE_PLATFORM_MACOS_MVK'
448  c_args += '-DVK_USE_PLATFORM_METAL_EXT'
449  cpp_args += '-DVK_USE_PLATFORM_METAL_EXT'
450  #macOS seems to need beta extensions to build for now:
451  c_args += '-DVK_ENABLE_BETA_EXTENSIONS'
452  cpp_args += '-DVK_ENABLE_BETA_EXTENSIONS'
453endif
454
455_egl = get_option('egl')
456if _egl == 'true'
457  _egl = 'enabled'
458  warning('egl option "true" deprecated, please use "enabled" instead.')
459elif _egl == 'false'
460  _egl = 'disabled'
461  warning('egl option "false" deprecated, please use "disabled" instead.')
462endif
463if _egl == 'auto'
464  with_egl = (
465    host_machine.system() != 'darwin' and
466    (with_platform_windows or with_dri) and
467    with_shared_glapi
468  )
469elif _egl == 'enabled'
470  if not with_dri and not with_platform_haiku and not with_platform_windows
471    error('EGL requires dri, haiku, or windows')
472  elif not with_shared_glapi
473    error('EGL requires shared-glapi')
474  elif not ['disabled', 'dri'].contains(with_glx)
475    error('EGL requires dri, but a GLX is being built without dri')
476  elif host_machine.system() == 'darwin'
477    error('EGL is not available on MacOS')
478  endif
479  with_egl = true
480else
481  with_egl = false
482endif
483
484if with_egl
485  _platforms += 'surfaceless'
486  if with_gbm and not with_platform_android and not with_platform_ohos
487    _platforms += 'drm'
488  endif
489
490  egl_native_platform = get_option('egl-native-platform')
491  if egl_native_platform.contains('auto')
492    egl_native_platform = _platforms[0]
493  endif
494endif
495
496if with_egl and not _platforms.contains(egl_native_platform)
497  error('-Degl-native-platform does not specify an enabled platform')
498endif
499
500if 'x11' in _platforms
501  _platforms += 'xcb'
502endif
503
504foreach platform : _platforms
505  pre_args += '-DHAVE_@0@_PLATFORM'.format(platform.to_upper())
506endforeach
507
508if with_platform_android and get_option('platform-sdk-version') >= 29
509  # By default the NDK compiler, at least, emits emutls references instead of
510  # ELF TLS, even when building targeting newer API levels.  Make it actually do
511  # ELF TLS instead.
512  c_args += '-fno-emulated-tls'
513  cpp_args += '-fno-emulated-tls'
514endif
515
516# -mtls-dialect=gnu2 speeds up non-initial-exec TLS significantly but requires
517# full toolchain (including libc) support.
518have_mtls_dialect = false
519foreach c_arg : get_option('c_args')
520  if c_arg.startswith('-mtls-dialect=')
521    have_mtls_dialect = true
522    break
523  endif
524endforeach
525if not have_mtls_dialect
526  # need .run to check libc support. meson aborts when calling .run when
527  # cross-compiling, but because this is just an optimization we can skip it
528  if meson.is_cross_build() and not meson.has_exe_wrapper()
529    warning('cannot auto-detect -mtls-dialect when cross-compiling, using compiler default')
530  else
531    # -fpic to force dynamic tls, otherwise TLS relaxation defeats check
532    gnu2_test = cc.run('int __thread x; int main() { return x; }',
533                       args: ['-mtls-dialect=gnu2', '-fpic'],
534                       name: '-mtls-dialect=gnu2')
535    if gnu2_test.returncode() == 0 and (
536          # check for lld 13 bug: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5665
537          host_machine.cpu_family() != 'x86_64' or
538          # get_linker_id misses LDFLAGS=-fuse-ld=lld: https://github.com/mesonbuild/meson/issues/6377
539          #cc.get_linker_id() != 'ld.lld' or
540          cc.links('''int __thread x; int y; int main() { __asm__(
541                "leaq x@TLSDESC(%rip), %rax\n"
542                "movq y@GOTPCREL(%rip), %rdx\n"
543                "call *x@TLSCALL(%rax)\n"); }''', name: 'split TLSDESC')
544          )
545      c_args += '-mtls-dialect=gnu2'
546      cpp_args += '-mtls-dialect=gnu2'
547    endif
548  endif
549endif
550
551if with_glx != 'disabled'
552  if not (with_platform_x11 and with_any_opengl)
553    error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
554  elif with_glx == 'xlib'
555    if not with_gallium
556      error('xlib based GLX requires at least one gallium driver')
557    elif not with_gallium_softpipe
558      error('xlib based GLX requires softpipe or llvmpipe.')
559    elif with_dri
560      error('xlib conflicts with any dri driver')
561    endif
562  elif with_glx == 'dri'
563    if not with_shared_glapi
564      error('dri based GLX requires shared-glapi')
565    endif
566  endif
567endif
568
569with_glvnd = get_option('glvnd')
570glvnd_vendor_name = get_option('glvnd-vendor-name')
571if with_glvnd
572  if with_platform_windows
573    error('glvnd cannot be used on Windows')
574  elif with_glx == 'xlib'
575    error('Cannot build glvnd support for GLX that is not DRI based.')
576  elif with_glx == 'disabled' and not with_egl
577    error('glvnd requires DRI based GLX and/or EGL')
578  endif
579  if get_option('egl-lib-suffix') != ''
580    error('''EGL lib suffix can't be used with libglvnd''')
581  endif
582endif
583
584if with_vulkan_icd_dir == ''
585  with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
586endif
587
588# GNU/Hurd includes egl_dri2, without drm.
589with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
590  host_machine.system() == 'gnu')
591_dri3 = get_option('dri3')
592if _dri3 == 'true'
593  _dri3 = 'enabled'
594  warning('dri3 option "true" deprecated, please use "enabled" instead.')
595elif _dri3 == 'false'
596  _dri3 = 'disabled'
597  warning('dri3 option "false" deprecated, please use "disabled" instead.')
598endif
599if _dri3 == 'auto'
600  with_dri3 = system_has_kms_drm and with_dri2
601else
602  with_dri3 = _dri3 == 'enabled'
603endif
604
605if with_any_vk and (with_platform_x11 and not with_dri3)
606  error('Vulkan drivers require dri3 for X11 support')
607endif
608if with_dri
609  if with_glx == 'disabled' and not with_egl and not with_gbm
610    error('building dri drivers require at least one windowing system')
611  endif
612endif
613
614if with_gallium_kmsro and (with_platform_x11 and not with_dri3)
615  error('kmsro requires dri3 for X11 support')
616endif
617
618dep_dxheaders = null_dep
619if with_gallium_d3d12 or with_microsoft_clc or with_microsoft_vk
620  dep_dxheaders = dependency('directx-headers', required : false)
621  if not dep_dxheaders.found()
622    dep_dxheaders = dependency('DirectX-Headers',
623      version : '>= 1.602.0',
624      fallback : ['DirectX-Headers', 'dep_dxheaders'],
625      required : with_gallium_d3d12 or with_microsoft_vk
626    )
627  endif
628endif
629
630_with_gallium_d3d12_video = get_option('gallium-d3d12-video')
631with_gallium_d3d12_video = false
632if with_gallium_d3d12 and not _with_gallium_d3d12_video.disabled()
633  with_gallium_d3d12_video = true
634  pre_args += '-DHAVE_GALLIUM_D3D12_VIDEO'
635endif
636
637_vdpau = get_option('gallium-vdpau')
638if _vdpau == 'true'
639  _vdpau = 'enabled'
640  warning('gallium-vdpau option "true" deprecated, please use "enabled" instead.')
641elif _vdpau == 'false'
642  _vdpau = 'disabled'
643  warning('gallium-vdpau option "false" deprecated, please use "disabled" instead.')
644endif
645if not system_has_kms_drm
646  if _vdpau == 'enabled'
647    error('VDPAU state tracker can only be build on unix-like OSes.')
648  else
649    _vdpau = 'disabled'
650  endif
651elif not with_platform_x11
652  if _vdpau == 'enabled'
653    error('VDPAU state tracker requires X11 support.')
654  else
655    _vdpau = 'disabled'
656  endif
657elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
658          with_gallium_nouveau or with_gallium_d3d12_video)
659  if _vdpau == 'enabled'
660    error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau, d3d12 (with option gallium-d3d12-video).')
661  else
662    _vdpau = 'disabled'
663  endif
664endif
665dep_vdpau = null_dep
666with_gallium_vdpau = false
667if _vdpau != 'disabled'
668  dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'enabled')
669  if dep_vdpau.found()
670    dep_vdpau = dep_vdpau.partial_dependency(compile_args : true)
671    with_gallium_vdpau = true
672  endif
673endif
674
675if with_gallium_vdpau
676  pre_args += '-DHAVE_ST_VDPAU'
677endif
678vdpau_drivers_path = get_option('vdpau-libs-path')
679if vdpau_drivers_path == ''
680  vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
681endif
682
683if with_vulkan_overlay_layer or with_aco_tests or with_amd_vk
684  prog_glslang = find_program('glslangValidator')
685  if run_command(prog_glslang, [ '--quiet', '--version' ], check : false).returncode() == 0
686    glslang_quiet = ['--quiet']
687  else
688    glslang_quiet = []
689  endif
690endif
691
692_xvmc = get_option('gallium-xvmc')
693if _xvmc == 'true'
694  _xvmc = 'enabled'
695  warning('gallium-xvmc option "true" deprecated, please use "enabled" instead.')
696elif _xvmc == 'false'
697  _xvmc = 'disabled'
698  warning('gallium-xvmc option "false" deprecated, please use "disabled" instead.')
699endif
700if not system_has_kms_drm
701  if _xvmc == 'enabled'
702    error('XVMC state tracker can only be build on unix-like OSes.')
703  else
704    _xvmc = 'disabled'
705  endif
706elif not with_platform_x11
707  if _xvmc == 'enabled'
708    error('XVMC state tracker requires X11 support.')
709  else
710    _xvmc = 'disabled'
711  endif
712elif not (with_gallium_r600 or with_gallium_nouveau)
713  if _xvmc == 'enabled'
714    error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
715  else
716    _xvmc = 'disabled'
717  endif
718endif
719dep_xvmc = null_dep
720dep_xv = null_dep
721with_gallium_xvmc = false
722if _xvmc != 'disabled'
723  dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'enabled')
724  dep_xv = dependency('xv', required : _xvmc == 'enabled')
725  with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
726endif
727
728xvmc_drivers_path = get_option('xvmc-libs-path')
729if xvmc_drivers_path == ''
730  xvmc_drivers_path = get_option('libdir')
731endif
732
733_omx = get_option('gallium-omx')
734if not system_has_kms_drm
735  if ['auto', 'disabled'].contains(_omx)
736    _omx = 'disabled'
737  else
738    error('OMX state tracker can only be built on unix-like OSes.')
739  endif
740elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
741  if ['auto', 'disabled'].contains(_omx)
742    _omx = 'disabled'
743  else
744    error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
745  endif
746endif
747with_gallium_omx = _omx
748dep_omx = null_dep
749dep_omx_other = []
750if ['auto', 'bellagio'].contains(_omx)
751  dep_omx = dependency(
752    'libomxil-bellagio', required : _omx == 'bellagio'
753  )
754  if dep_omx.found()
755    with_gallium_omx = 'bellagio'
756  endif
757endif
758if ['auto', 'tizonia'].contains(_omx)
759  if with_dri and with_egl
760    dep_omx = dependency(
761      'libtizonia', version : '>= 0.10.0',
762      required : _omx == 'tizonia',
763    )
764    dep_omx_other = [
765      dependency('libtizplatform', required : _omx == 'tizonia'),
766      dependency('tizilheaders', required : _omx == 'tizonia'),
767    ]
768    if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
769      with_gallium_omx = 'tizonia'
770    endif
771  elif _omx == 'tizonia'
772    error('OMX-Tizonia state tracker requires dri and egl')
773  endif
774endif
775if _omx == 'auto'
776  with_gallium_omx = 'disabled'
777else
778  with_gallium_omx = _omx
779endif
780
781pre_args += [
782  '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
783  '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
784]
785
786
787omx_drivers_path = get_option('omx-libs-path')
788
789if with_gallium_omx != 'disabled'
790  # Figure out where to put the omx driver.
791  # FIXME: this could all be vastly simplified by adding a 'defined_variable'
792  # argument to meson's get_variable method.
793  if omx_drivers_path == ''
794    _omx_libdir = dep_omx.get_variable(pkgconfig : 'libdir')
795    _omx_drivers_dir = dep_omx.get_variable(pkgconfig : 'pluginsdir')
796    if _omx_libdir == get_option('libdir')
797      omx_drivers_path = _omx_drivers_dir
798    else
799      _omx_base_dir = []
800      # This will fail on windows. Does OMX run on windows?
801      _omx_libdir = _omx_libdir.split('/')
802      _omx_drivers_dir = _omx_drivers_dir.split('/')
803      foreach o : _omx_drivers_dir
804        if not _omx_libdir.contains(o)
805          _omx_base_dir += o
806        endif
807      endforeach
808      omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
809    endif
810  endif
811endif
812
813_va = get_option('gallium-va')
814if _va == 'true'
815  _va = 'enabled'
816  warning('gallium-va option "true" deprecated, please use "enabled" instead.')
817elif _va == 'false'
818  _va = 'disabled'
819  warning('gallium-va option "false" deprecated, please use "disabled" instead.')
820endif
821if not system_has_kms_drm
822  if _va == 'enabled'
823    error('VA state tracker can only be built on unix-like OSes.')
824  else
825    _va = 'disabled'
826  endif
827elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau or with_gallium_d3d12_video)
828  if _va == 'enabled'
829    error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau, d3d12 (with option gallium-d3d12-video).')
830  else
831    _va = 'disabled'
832  endif
833endif
834with_gallium_va = false
835dep_va = null_dep
836if _va != 'disabled'
837  dep_va = dependency('libva', version : '>= 1.8.0', required : _va == 'enabled')
838  if dep_va.found()
839    dep_va_headers = dep_va.partial_dependency(compile_args : true)
840    with_gallium_va = true
841    if cc.has_header_symbol('va/va.h', 'VASurfaceAttribDRMFormatModifiers',
842                            dependencies: dep_va_headers)
843      pre_args += '-DHAVE_VA_SURFACE_ATTRIB_DRM_FORMAT_MODIFIERS'
844    endif
845  endif
846endif
847
848va_drivers_path = get_option('va-libs-path')
849if va_drivers_path == ''
850  va_drivers_path = join_paths(get_option('libdir'), 'dri')
851endif
852
853_xa = get_option('gallium-xa')
854if _xa == 'true'
855  _xa = 'enabled'
856  warning('gallium-xa option "true" deprecated, please use "enabled" instead.')
857elif _xa == 'false'
858  _xa = 'disabled'
859  warning('gallium-xa option "false" deprecated, please use "disabled" instead.')
860endif
861if not system_has_kms_drm
862  if _xa == 'enabled'
863    error('XA state tracker can only be built on unix-like OSes.')
864  else
865    _xa = 'disabled'
866  endif
867elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
868          or with_gallium_svga)
869  if _xa == 'enabled'
870    error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
871  else
872    _xa = 'disabled'
873  endif
874endif
875with_gallium_xa = _xa != 'disabled'
876
877d3d_drivers_path = get_option('d3d-drivers-path')
878if d3d_drivers_path == ''
879  d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
880endif
881
882with_gallium_st_nine =  get_option('gallium-nine')
883if with_gallium_st_nine
884  if not with_gallium_softpipe
885    error('The nine state tracker requires gallium softpipe/llvmpipe.')
886  elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
887            or with_gallium_r300 or with_gallium_svga or with_gallium_i915
888            or with_gallium_iris or with_gallium_crocus or with_gallium_zink)
889    error('The nine state tracker requires at least one non-swrast gallium driver.')
890  endif
891  if not with_dri3
892    error('Using nine with wine requires dri3')
893  endif
894endif
895with_gallium_st_d3d10umd =  get_option('gallium-d3d10umd')
896if with_gallium_st_d3d10umd
897  if not with_gallium_softpipe
898    error('The d3d10umd state tracker requires gallium softpipe/llvmpipe.')
899  endif
900endif
901_power8 = get_option('power8')
902if _power8 == 'true'
903  _power8 = 'enabled'
904  warning('power8 option "true" deprecated, please use "enabled" instead.')
905elif _power8 == 'false'
906  _power8 = 'disabled'
907  warning('power8 option "false" deprecated, please use "disabled" instead.')
908endif
909if _power8 != 'disabled'
910  if host_machine.cpu_family() == 'ppc64' and host_machine.endian() == 'little'
911    if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
912      error('Altivec is not supported with gcc version < 4.8.')
913    endif
914    if cc.compiles('''
915        #include <altivec.h>
916        int main() {
917          vector unsigned char r;
918          vector unsigned int v = vec_splat_u32 (1);
919          r = __builtin_vec_vgbbd ((vector unsigned char) v);
920          return 0;
921        }''',
922        args : '-mpower8-vector',
923        name : 'POWER8 intrinsics')
924      pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
925    elif get_option('power8') == 'enabled'
926      error('POWER8 intrinsic support required but not found.')
927    endif
928  endif
929endif
930
931if get_option('vmware-mks-stats')
932  if not with_gallium_svga
933    error('vmware-mks-stats requires gallium VMware/svga driver.')
934  endif
935  pre_args += '-DVMX86_STATS=1'
936endif
937
938_opencl = get_option('gallium-opencl')
939_rtti = get_option('cpp_rtti')
940if _opencl != 'disabled'
941  if not with_gallium
942    error('OpenCL Clover implementation requires at least one gallium driver.')
943  endif
944  if not _rtti
945    error('The Clover OpenCL state tracker requires rtti')
946  endif
947
948  with_libclc = true
949  with_gallium_opencl = true
950  with_opencl_icd = _opencl == 'icd'
951else
952  with_gallium_opencl = false
953  with_opencl_icd = false
954endif
955
956dep_clc = null_dep
957if with_libclc
958  dep_clc = dependency('libclc')
959endif
960
961gl_pkgconfig_c_flags = []
962if with_platform_x11
963  if with_glx == 'xlib' or with_glx == 'gallium-xlib'
964    pre_args += '-DUSE_XSHM'
965  else
966    pre_args += '-DGLX_INDIRECT_RENDERING'
967    if with_glx_direct
968      pre_args += '-DGLX_DIRECT_RENDERING'
969    endif
970    if with_dri_platform == 'drm'
971      pre_args += '-DGLX_USE_DRM'
972    elif with_dri_platform == 'apple'
973      pre_args += '-DGLX_USE_APPLEGL'
974    elif with_dri_platform == 'windows'
975      pre_args += '-DGLX_USE_WINDOWSGL'
976    endif
977  endif
978else
979  pre_args += '-DEGL_NO_X11'
980  gl_pkgconfig_c_flags += '-DEGL_NO_X11'
981endif
982
983with_android_stub = get_option('android-stub')
984if with_android_stub and not with_platform_android
985  error('`-D android-stub=true` makes no sense without `-D platforms=android`')
986endif
987
988if with_platform_android
989  dep_android_mapper4 = null_dep
990  if not with_android_stub
991    dep_android = [
992      dependency('cutils'),
993      dependency('hardware'),
994      dependency('sync'),
995      dependency('backtrace')
996    ]
997    if get_option('platform-sdk-version') >= 26
998      dep_android += dependency('nativewindow')
999    endif
1000    if get_option('platform-sdk-version') >= 30
1001      dep_android_mapper4 = dependency('android.hardware.graphics.mapper', version : '>= 4.0', required : false)
1002    endif
1003  endif
1004  pre_args += [
1005    '-DANDROID',
1006    '-DANDROID_API_LEVEL=' + get_option('platform-sdk-version').to_string()
1007  ]
1008endif
1009
1010if with_platform_ohos
1011  pre_args += '-DHAVE_OHOS_PLATFORM'
1012  dep_ohos = [
1013    dependency('libsurface'),
1014    dependency('libhilog'),
1015  ]
1016  c_args += '-I../ohos'
1017endif
1018
1019#prog_python = import('python').find_installation('python3')
1020prog_python = '/usr/bin/python3'
1021
1022has_mako = run_command(
1023  prog_python, '-c',
1024  '''
1025from distutils.version import StrictVersion
1026import mako
1027assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
1028  ''', check: false)
1029if has_mako.returncode() != 0
1030  error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
1031endif
1032
1033if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
1034  error('When using GCC, version 4.4.6 or later is required.')
1035endif
1036
1037# Support systems without ETIME (e.g. FreeBSD)
1038if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
1039  pre_args += '-DETIME=ETIMEDOUT'
1040endif
1041
1042# Define DEBUG for debug builds only (debugoptimized is not included on this one)
1043if get_option('buildtype') == 'debug'
1044  pre_args += '-DDEBUG'
1045endif
1046
1047with_shader_cache = false
1048_shader_cache = get_option('shader-cache')
1049if _shader_cache == 'true'
1050  _shader_cache = 'enabled'
1051  warning('shader_cache option "true" deprecated, please use "enabled" instead.')
1052elif _shader_cache == 'false'
1053  _shader_cache = 'disabled'
1054  warning('shader_cache option "false" deprecated, please use "disabled" instead.')
1055endif
1056if _shader_cache != 'disabled'
1057  if host_machine.system() == 'windows'
1058    if _shader_cache == 'enabled'
1059      error('Shader Cache does not currently work on Windows')
1060    endif
1061  else
1062    pre_args += '-DENABLE_SHADER_CACHE'
1063    if not get_option('shader-cache-default')
1064      pre_args += '-DSHADER_CACHE_DISABLE_BY_DEFAULT'
1065    endif
1066    with_shader_cache = true
1067  endif
1068endif
1069
1070if with_shader_cache
1071  shader_cache_max_size = get_option('shader-cache-max-size')
1072  if shader_cache_max_size != ''
1073    pre_args += '-DMESA_SHADER_CACHE_MAX_SIZE="@0@"'.format(shader_cache_max_size)
1074  endif
1075endif
1076
1077# Check for GCC style builtins
1078foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
1079             'ffsll', 'popcount', 'popcountll', 'unreachable', 'types_compatible_p']
1080  if cc.has_function(b)
1081    pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
1082  endif
1083endforeach
1084
1085# check for GCC __attribute__
1086_attributes = [
1087  'const', 'flatten', 'malloc', 'pure', 'unused', 'warn_unused_result',
1088  'weak', 'format', 'packed', 'returns_nonnull', 'alias', 'noreturn',
1089]
1090foreach a : cc.get_supported_function_attributes(_attributes)
1091  pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
1092endforeach
1093if cc.has_function_attribute('visibility:hidden')
1094  pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
1095endif
1096if cc.compiles('__uint128_t foo(void) { return 0; }',
1097               name : '__uint128_t')
1098  pre_args += '-DHAVE_UINT128'
1099endif
1100
1101if cc.has_function('reallocarray')
1102   pre_args += '-DHAVE_REALLOCARRAY'
1103endif
1104
1105# TODO: this is very incomplete
1106if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd', 'haiku', 'android'].contains(host_machine.system())
1107  pre_args += '-D_GNU_SOURCE'
1108elif host_machine.system() == 'sunos'
1109  pre_args += '-D__EXTENSIONS__'
1110elif host_machine.system() == 'windows'
1111  pre_args += [
1112    '-D_WINDOWS', '-D_WIN32_WINNT=0x0A00', '-DWINVER=0x0A00',
1113    '-DPIPE_SUBSYSTEM_WINDOWS_USER',
1114    '-D_USE_MATH_DEFINES',  # XXX: scons didn't use this for mingw
1115  ]
1116  if cc.get_argument_syntax() == 'msvc'
1117    pre_args += [
1118      '-DVC_EXTRALEAN',
1119      '-D_CRT_SECURE_NO_WARNINGS',
1120      '-D_CRT_SECURE_NO_DEPRECATE',
1121      '-D_SCL_SECURE_NO_WARNINGS',
1122      '-D_SCL_SECURE_NO_DEPRECATE',
1123      '-D_ALLOW_KEYWORD_MACROS',
1124      '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
1125      '-DNOMINMAX',
1126    ]
1127  else
1128    # When the target is not mingw/ucrt
1129    # NOTE: clang's stddef.h are conflict with mingw/ucrt's stddef.h
1130    # So do not include headers that defined in clang for detecting
1131    # _UCRT
1132    if cc.compiles('''
1133      #include <string.h>
1134      #if defined(__MINGW32__) && defined(_UCRT)
1135      #error
1136      #endif
1137      int main(void) { return 0; }''')
1138      pre_args += ['-D__MSVCRT_VERSION__=0x0700']
1139    endif
1140  endif
1141elif host_machine.system() == 'openbsd'
1142  pre_args += '-D_ISOC11_SOURCE'
1143endif
1144
1145# Check for generic C arguments
1146c_msvc_compat_args = []
1147no_override_init_args = []
1148cpp_msvc_compat_args = []
1149if cc.get_argument_syntax() == 'msvc'
1150  _trial = [
1151    '/wd4018',  # signed/unsigned mismatch
1152    '/wd4056',  # overflow in floating-point constant arithmetic
1153    '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
1154    '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
1155    '/wd4305',  # trancation from 'type1' to 'type2'
1156    '/wd4351',  # new behavior: elements of array 'array' will be default initialized
1157    '/wd4756',  # overflow in constant arithmetic
1158    '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
1159    '/wd4996',  # disabled deprecated POSIX name warnings
1160    '/wd4291',  # no matching operator delete found
1161    '/wd4146',  # unary minus operator applied to unsigned type, result still unsigned
1162    '/wd4200',  # nonstandard extension used: zero-sized array in struct/union
1163    '/wd4624',  # destructor was implicitly defined as deleted [from LLVM]
1164    '/wd4309',  # 'initializing': truncation of constant value
1165    '/wd4838',  # conversion from 'int' to 'const char' requires a narrowing conversion
1166    '/wd5105',  # macro expansion producing 'defined' has undefined behavior (winbase.h, need Windows SDK upgrade)
1167    '/we4020',  # Error when passing the wrong number of parameters
1168    '/we4024',  # Error when passing different type of parameter
1169    '/Zc:__cplusplus', #Set __cplusplus macro to match the /std:c++<version> on the command line
1170  ]
1171  c_args += cc.get_supported_arguments(_trial)
1172  cpp_args += cpp.get_supported_arguments(_trial)
1173else
1174  _trial_c = [
1175    '-Werror=implicit-function-declaration',
1176    '-Werror=missing-prototypes',
1177    '-Werror=return-type',
1178    '-Werror=empty-body',
1179    '-Werror=incompatible-pointer-types',
1180    '-Werror=int-conversion',
1181    '-Wimplicit-fallthrough',
1182    '-Wno-missing-field-initializers',
1183    '-Wno-format-truncation',
1184    '-fno-math-errno',
1185    '-fno-trapping-math',
1186    '-Qunused-arguments',
1187    '-fno-common',
1188    # Clang
1189    '-Wno-microsoft-enum-value',
1190    '-Wno-unused-function',
1191  ]
1192  _trial_cpp = [
1193    '-Werror=return-type',
1194    '-Werror=empty-body',
1195    '-Wno-non-virtual-dtor',
1196    '-Wno-missing-field-initializers',
1197    '-Wno-format-truncation',
1198    '-fno-math-errno',
1199    '-fno-trapping-math',
1200    '-Qunused-arguments',
1201    # Some classes use custom new operator which zeroes memory, however
1202    # gcc does aggressive dead-store elimination which threats all writes
1203    # to the memory before the constructor as "dead stores".
1204    # For now we disable this optimization.
1205    '-flifetime-dse=1',
1206    # Clang
1207    '-Wno-microsoft-enum-value',
1208  ]
1209
1210  # MinGW chokes on format specifiers and I can't get it all working
1211  if not (cc.get_argument_syntax() == 'gcc' and host_machine.system() == 'windows')
1212    _trial_c += ['-Werror=format', '-Wformat-security']
1213    _trial_cpp += ['-Werror=format', '-Wformat-security']
1214  endif
1215
1216  # FreeBSD annotated <pthread.h> but Mesa isn't ready
1217  if not (cc.get_id() == 'clang' and host_machine.system() == 'freebsd')
1218    _trial_c += ['-Werror=thread-safety']
1219  endif
1220
1221  # If the compiler supports it, put function and data symbols in their
1222  # own sections and GC the sections after linking.  This lets drivers
1223  # drop shared code unused by that specific driver (particularly
1224  # relevant for Vulkan drivers).
1225  if cc.has_link_argument('-Wl,--gc-sections')
1226    _trial_c += ['-ffunction-sections', '-fdata-sections']
1227    _trial_cpp += ['-ffunction-sections', '-fdata-sections']
1228  endif
1229
1230  # Variables that are only used for assertions are considered unused in release
1231  # builds. Don't treat this as an error, since we build with -Werror even for
1232  # release in CI.
1233  if get_option('buildtype') == 'release'
1234    _trial_c += ['-Wno-unused-variable', '-Wno-unused-but-set-variable']
1235    _trial_cpp += ['-Wno-unused-variable', '-Wno-unused-but-set-variable']
1236  endif
1237
1238  c_args += cc.get_supported_arguments(_trial_c)
1239  cpp_args += cpp.get_supported_arguments(_trial_cpp)
1240
1241  no_override_init_args += cc.get_supported_arguments(
1242    ['-Wno-override-init', '-Wno-initializer-overrides']
1243  )
1244
1245  # Check for C and C++ arguments for MSVC compatibility. These are only used
1246  # in parts of the mesa code base that need to compile with MSVC, mainly
1247  # common code
1248  _trial_msvc = ['-Werror=pointer-arith', '-Werror=vla', '-Werror=gnu-empty-initializer']
1249  c_msvc_compat_args += cc.get_supported_arguments(_trial_msvc)
1250  cpp_msvc_compat_args += cpp.get_supported_arguments(_trial_msvc)
1251endif
1252
1253# set linker arguments
1254if host_machine.system() == 'windows'
1255  if cc.get_argument_syntax() == 'msvc'
1256    add_project_link_arguments(
1257      '/fixed:no',
1258      '/dynamicbase',
1259      '/nxcompat',
1260      language : ['c', 'cpp'],
1261    )
1262    if get_option('buildtype') != 'debug'
1263      add_project_link_arguments(
1264        '/incremental:no',
1265        language : ['c', 'cpp'],
1266      )
1267    endif
1268  else
1269    add_project_link_arguments(
1270      cc.get_supported_link_arguments(
1271        '-Wl,--nxcompat',
1272        '-Wl,--dynamicbase',
1273        '-static-libgcc',
1274        '-static-libstdc++',
1275      ),
1276      language : ['c'],
1277    )
1278    add_project_link_arguments(
1279      cpp.get_supported_link_arguments(
1280        '-Wl,--nxcompat',
1281        '-Wl,--dynamicbase',
1282        '-static-libgcc',
1283        '-static-libstdc++',
1284      ),
1285      language : ['cpp'],
1286    )
1287  endif
1288endif
1289
1290if host_machine.cpu_family().startswith('x86') and cc.get_argument_syntax() != 'msvc'
1291  pre_args += '-DUSE_SSE41'
1292  with_sse41 = true
1293  sse41_args = ['-msse4.1']
1294
1295  if host_machine.cpu_family() == 'x86'
1296    if get_option('sse2')
1297      # These settings make generated GCC code match MSVC and follow
1298      # GCC advice on https://gcc.gnu.org/wiki/FloatingPointMath#x86note
1299      #
1300      # NOTE: We need to ensure stack is realigned given that we
1301      # produce shared objects, and have no control over the stack
1302      # alignment policy of the application. Therefore we need
1303      # -mstackrealign or -mincoming-stack-boundary=2.
1304      #
1305      # XXX: We could have SSE without -mstackrealign if we always used
1306      # __attribute__((force_align_arg_pointer)), but that's not
1307      # always the case.
1308      c_args += ['-msse2', '-mfpmath=sse', '-mstackrealign']
1309    else
1310      # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1311      # that's not guaranteed
1312      sse41_args += '-mstackrealign'
1313    endif
1314  endif
1315else
1316  with_sse41 = false
1317  sse41_args = []
1318endif
1319
1320# Check for GCC style atomics
1321dep_atomic = null_dep
1322
1323if cc.compiles('''#include <stdint.h>
1324                  int main() {
1325                    struct {
1326                      uint64_t *v;
1327                    } x;
1328                    return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1329                           (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1330
1331                  }''',
1332               name : 'GCC atomic builtins')
1333  pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1334
1335  # Not all atomic calls can be turned into lock-free instructions, in which
1336  # GCC will make calls into the libatomic library. Check whether we need to
1337  # link with -latomic.
1338  #
1339  # This can happen for 64-bit atomic operations on 32-bit architectures such
1340  # as ARM.
1341  if not cc.links('''#include <stdint.h>
1342                     int main() {
1343                       struct {
1344                         uint64_t *v;
1345                       } x;
1346                       return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1347                              (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1348                     }''',
1349                  name : 'GCC atomic builtins required -latomic')
1350    dep_atomic = cc.find_library('atomic')
1351  endif
1352endif
1353if not cc.links('''#include <stdint.h>
1354                   uint64_t v;
1355                   int main() {
1356                     return __sync_add_and_fetch(&v, (uint64_t)1);
1357                   }''',
1358                dependencies : dep_atomic,
1359                name : 'GCC 64bit atomics')
1360  pre_args += '-DMISSING_64BIT_ATOMICS'
1361endif
1362
1363dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1364
1365# TODO: shared/static? Is this even worth doing?
1366
1367with_asm_arch = ''
1368if host_machine.cpu_family() == 'x86'
1369  if system_has_kms_drm or host_machine.system() == 'gnu'
1370    with_asm_arch = 'x86'
1371    pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1372                 '-DUSE_SSE_ASM']
1373
1374    if with_glx_read_only_text
1375      pre_args += ['-DGLX_X86_READONLY_TEXT']
1376    endif
1377  endif
1378elif host_machine.cpu_family() == 'x86_64'
1379  if system_has_kms_drm
1380    with_asm_arch = 'x86_64'
1381    pre_args += ['-DUSE_X86_64_ASM']
1382  endif
1383elif host_machine.cpu_family() == 'arm'
1384  if system_has_kms_drm
1385    with_asm_arch = 'arm'
1386    pre_args += ['-DUSE_ARM_ASM']
1387  endif
1388elif host_machine.cpu_family() == 'aarch64'
1389  if system_has_kms_drm
1390    with_asm_arch = 'aarch64'
1391    pre_args += ['-DUSE_AARCH64_ASM']
1392  endif
1393elif host_machine.cpu_family() == 'sparc64'
1394  if system_has_kms_drm
1395    with_asm_arch = 'sparc'
1396    pre_args += ['-DUSE_SPARC_ASM']
1397  endif
1398elif host_machine.cpu_family() == 'ppc64' and host_machine.endian() == 'little'
1399  if system_has_kms_drm
1400    with_asm_arch = 'ppc64le'
1401    pre_args += ['-DUSE_PPC64LE_ASM']
1402  endif
1403elif host_machine.cpu_family() == 'mips64' and host_machine.endian() == 'little'
1404  if system_has_kms_drm
1405    with_asm_arch = 'mips64el'
1406    pre_args += ['-DUSE_MIPS64EL_ASM']
1407  endif
1408endif
1409
1410# Check for standard headers and functions
1411if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1412  cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1413  cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1414  pre_args += '-DMAJOR_IN_SYSMACROS'
1415endif
1416if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1417  cc.has_header_symbol('sys/mkdev.h', 'minor') and
1418  cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1419  pre_args += '-DMAJOR_IN_MKDEV'
1420endif
1421
1422if cc.check_header('sched.h')
1423  pre_args += '-DHAS_SCHED_H'
1424  if cc.has_function('sched_getaffinity')
1425    pre_args += '-DHAS_SCHED_GETAFFINITY'
1426  endif
1427endif
1428
1429if not ['linux'].contains(host_machine.system())
1430  # Deprecated on Linux and requires <sys/types.h> on FreeBSD and OpenBSD
1431  if cc.check_header('sys/sysctl.h', prefix : '#include <sys/types.h>')
1432    pre_args += '-DHAVE_SYS_SYSCTL_H'
1433  endif
1434endif
1435
1436foreach h : ['xlocale.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'sys/shm.h', 'cet.h', 'pthread_np.h']
1437  if cc.check_header(h)
1438    pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1439  endif
1440endforeach
1441
1442functions_to_detect = {
1443  'strtof': '',
1444  'mkostemp': '',
1445  'timespec_get': '#include <time.h>',
1446  'memfd_create': '',
1447  'random_r': '',
1448  'flock': '',
1449  'strtok_r': '',
1450  'getrandom': '',
1451  'qsort_r': '',
1452  'qsort_s': '',
1453}
1454
1455foreach f, prefix: functions_to_detect
1456  if cc.has_function(f, prefix: prefix)
1457    pre_args += '-DHAVE_@0@'.format(f.to_upper())
1458  endif
1459endforeach
1460
1461if cc.has_header_symbol('time.h', 'struct timespec')
1462   pre_args += '-DHAVE_STRUCT_TIMESPEC'
1463endif
1464
1465with_c11_threads = false
1466if cc.has_function('thrd_create', prefix: '#include <threads.h>')
1467  if with_platform_android
1468    # Current only Android's c11 <threads.h> are verified
1469    pre_args += '-DHAVE_THRD_CREATE'
1470    with_c11_threads = true
1471  endif
1472endif
1473
1474if cc.has_header_symbol('errno.h', 'program_invocation_name',
1475                        args : '-D_GNU_SOURCE')
1476   pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1477elif with_tools.contains('intel')
1478  error('Intel tools require the program_invocation_name variable')
1479endif
1480
1481if cc.has_header_symbol('math.h', 'issignaling',
1482                        args : '-D_GNU_SOURCE')
1483   pre_args += '-DHAVE_ISSIGNALING'
1484endif
1485
1486# MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1487# This means that this check will succeed, but then compilation will later
1488# fail. MSVC doesn't have this function at all, so only check for it on
1489# non-windows platforms.
1490if host_machine.system() != 'windows'
1491  if cc.has_function('posix_memalign')
1492    pre_args += '-DHAVE_POSIX_MEMALIGN'
1493  endif
1494endif
1495
1496if cc.has_member('struct dirent', 'd_type', prefix: '''#include <sys/types.h>
1497   #include <dirent.h>''')
1498   pre_args += '-DHAVE_DIRENT_D_TYPE'
1499endif
1500
1501# strtod locale support
1502if cc.links('''
1503    #define _GNU_SOURCE
1504    #include <stdlib.h>
1505    #include <locale.h>
1506    #ifdef HAVE_XLOCALE_H
1507    #include <xlocale.h>
1508    #endif
1509    int main() {
1510      locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1511      const char *s = "1.0";
1512      char *end;
1513      double d = strtod_l(s, end, loc);
1514      float f = strtof_l(s, end, loc);
1515      freelocale(loc);
1516      return 0;
1517    }''',
1518    args : pre_args,
1519    name : 'strtod has locale support')
1520  pre_args += '-DHAVE_STRTOD_L'
1521endif
1522
1523# Check for some linker flags
1524ld_args_bsymbolic = []
1525if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1526  ld_args_bsymbolic += '-Wl,-Bsymbolic'
1527endif
1528ld_args_gc_sections = []
1529if cc.links('static char unused() { return 5; } int main() { return 0; }',
1530            args : '-Wl,--gc-sections', name : 'gc-sections')
1531  ld_args_gc_sections += '-Wl,--gc-sections'
1532endif
1533with_ld_version_script = false
1534if cc.links('int main() { return 0; }',
1535            args : '-Wl,--version-script=@0@'.format(
1536              join_paths(meson.source_root(), 'build-support/conftest.map')),
1537            name : 'version-script')
1538  with_ld_version_script = true
1539endif
1540with_ld_dynamic_list = false
1541if cc.links('int main() { return 0; }',
1542            args : '-Wl,--dynamic-list=@0@'.format(
1543              join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1544            name : 'dynamic-list')
1545  with_ld_dynamic_list = true
1546endif
1547
1548ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1549
1550# check for dl support
1551dep_dl = null_dep
1552if host_machine.system() != 'windows'
1553  if not cc.has_function('dlopen')
1554    dep_dl = cc.find_library('dl', required : true)
1555  endif
1556  if cc.has_function('dladdr', dependencies : dep_dl)
1557    # This is really only required for util/disk_cache.h
1558    pre_args += '-DHAVE_DLADDR'
1559  endif
1560endif
1561
1562if cc.has_function('dl_iterate_phdr')
1563  pre_args += '-DHAVE_DL_ITERATE_PHDR'
1564elif with_intel_vk
1565  error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1566endif
1567
1568# Determine whether or not the rt library is needed for time functions
1569if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1570  dep_clock = null_dep
1571else
1572  dep_clock = cc.find_library('rt')
1573endif
1574
1575dep_zlib = dependency('zlib', version : '>= 1.2.3',
1576                      fallback : ['zlib', 'zlib_dep'],
1577                      required : get_option('zlib'))
1578if dep_zlib.found()
1579  pre_args += '-DHAVE_ZLIB'
1580endif
1581
1582_zstd = get_option('zstd')
1583if _zstd == 'true'
1584  _zstd = 'enabled'
1585  warning('zstd option "true" deprecated, please use "enabled" instead.')
1586elif _zstd == 'false'
1587  _zstd = 'disabled'
1588  warning('zstd option "false" deprecated, please use "disabled" instead.')
1589endif
1590if _zstd != 'disabled'
1591  dep_zstd = dependency('libzstd', required : _zstd == 'enabled')
1592  if dep_zstd.found()
1593    pre_args += '-DHAVE_ZSTD'
1594  endif
1595else
1596  dep_zstd = null_dep
1597endif
1598
1599with_compression = dep_zlib.found() or dep_zstd.found()
1600if with_compression
1601  pre_args += '-DHAVE_COMPRESSION'
1602elif with_shader_cache
1603  error('Shader Cache requires compression')
1604endif
1605
1606dep_thread = dependency('threads')
1607if dep_thread.found() and host_machine.system() != 'windows'
1608  pre_args += '-DHAVE_PTHREAD'
1609  if host_machine.system() != 'netbsd' and cc.has_function(
1610      'pthread_setaffinity_np',
1611      dependencies : dep_thread,
1612      prefix : '#include <pthread.h>',
1613      args : '-D_GNU_SOURCE')
1614    pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1615  endif
1616endif
1617if host_machine.system() == 'darwin'
1618  dep_expat = meson.get_compiler('c').find_library('expat')
1619elif host_machine.system() != 'windows'
1620  dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'],
1621                         required: not with_platform_android)
1622else
1623  dep_expat = null_dep
1624endif
1625# this only exists on linux so either this is linux and it will be found, or
1626# it's not linux and wont
1627dep_m = cc.find_library('m', required : false)
1628
1629if host_machine.system() == 'windows'
1630  dep_regex = meson.get_compiler('c').find_library('regex', required : false)
1631  if not dep_regex.found()
1632    dep_regex = declare_dependency(compile_args : ['-DNO_REGEX'])
1633  endif
1634else
1635  dep_regex = null_dep
1636endif
1637
1638if with_platform_haiku
1639  dep_network = cc.find_library('network')
1640endif
1641
1642dep_futex = null_dep
1643if host_machine.system() == 'windows'
1644  if (get_option('min-windows-version') < 8)
1645    pre_args += '-DWINDOWS_NO_FUTEX'
1646  else
1647    dep_futex = cc.find_library('synchronization', required : true)
1648  endif
1649endif
1650
1651# Check for libdrm. Various drivers have different libdrm version requirements,
1652# but we always want to use the same version for all libdrm modules. That means
1653# even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1654# bar are both on use 2.4.3 for both of them
1655dep_libdrm_amdgpu = null_dep
1656dep_libdrm_radeon = null_dep
1657dep_libdrm_nouveau = null_dep
1658dep_libdrm_intel = null_dep
1659
1660_drm_amdgpu_ver = '2.4.110'
1661_drm_radeon_ver = '2.4.71'
1662_drm_nouveau_ver = '2.4.102'
1663_drm_intel_ver = '2.4.75'
1664_drm_ver = '2.4.109'
1665
1666_libdrm_checks = [
1667  ['intel', with_gallium_i915],
1668  ['amdgpu', (with_amd_vk and not with_platform_windows) or with_gallium_radeonsi],
1669  ['radeon', (with_gallium_radeonsi or with_gallium_r300 or with_gallium_r600)],
1670  ['nouveau', with_gallium_nouveau],
1671]
1672
1673# Loop over the enables versions and get the highest libdrm requirement for all
1674# active drivers.
1675_drm_blame = ''
1676foreach d : _libdrm_checks
1677  ver = get_variable('_drm_@0@_ver'.format(d[0]))
1678  if d[1] and ver.version_compare('>' + _drm_ver)
1679    _drm_ver = ver
1680    _drm_blame = d[0]
1681  endif
1682endforeach
1683if _drm_blame != ''
1684  message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1685endif
1686
1687# Then get each libdrm module
1688foreach d : _libdrm_checks
1689  if d[1]
1690    set_variable(
1691      'dep_libdrm_' + d[0],
1692      dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1693    )
1694  endif
1695endforeach
1696
1697dep_hilog = dependency(
1698  'libhilog'
1699)
1700
1701with_gallium_drisw_kms = false
1702dep_libdrm = dependency(
1703  'libdrm', version : '>=' + _drm_ver,
1704  # GNU/Hurd includes egl_dri2, without drm.
1705  required : (with_dri2 and host_machine.system() != 'gnu') or with_dri3
1706)
1707if dep_libdrm.found()
1708  pre_args += '-DHAVE_LIBDRM'
1709  if with_dri_platform == 'drm' and with_dri
1710    with_gallium_drisw_kms = true
1711  endif
1712endif
1713
1714if with_dri
1715  pre_args += '-DHAVE_DRI'
1716endif
1717if with_dri2
1718  pre_args += '-DHAVE_DRI2'
1719endif
1720if with_gallium_drisw_kms
1721  pre_args += '-DHAVE_DRISW_KMS'
1722endif
1723
1724dep_libudev = dependency('libudev', required : false)
1725if dep_libudev.found()
1726  pre_args += '-DHAVE_LIBUDEV'
1727endif
1728
1729llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
1730llvm_optional_modules = ['coroutines']
1731if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1732  llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1733  if with_gallium_r600
1734    llvm_modules += 'asmparser'
1735  endif
1736endif
1737if with_gallium_opencl
1738  llvm_modules += [
1739    'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1740    'lto', 'option', 'objcarcopts', 'profiledata'
1741  ]
1742  llvm_optional_modules += ['all-targets', 'frontendopenmp']
1743endif
1744if with_clc
1745  llvm_modules += ['coverage', 'target', 'linker', 'irreader', 'option', 'libdriver', 'lto']
1746  llvm_optional_modules += ['all-targets']
1747endif
1748draw_with_llvm = get_option('draw-use-llvm')
1749if draw_with_llvm
1750  llvm_modules += 'native'
1751endif
1752
1753if with_amd_vk or with_gallium_radeonsi
1754  _llvm_version = '>= 11.0.0'
1755elif with_clc
1756  _llvm_version = '>= 10.0.0'
1757elif with_gallium_opencl
1758  _llvm_version = '>= 8.0.0'
1759else
1760  _llvm_version = '>= 3.9.0'
1761endif
1762
1763_shared_llvm = get_option('shared-llvm')
1764if _shared_llvm == 'true'
1765  _shared_llvm = 'enabled'
1766  warning('shared_llvm option "true" deprecated, please use "enabled" instead.')
1767elif _shared_llvm == 'false'
1768  _shared_llvm = 'disabled'
1769  warning('shared_llvm option "false" deprecated, please use "disabled" instead.')
1770endif
1771if _shared_llvm == 'auto'
1772  _shared_llvm = (host_machine.system() != 'windows')
1773else
1774  _shared_llvm = (_shared_llvm == 'enabled')
1775endif
1776_llvm = get_option('llvm')
1777if _llvm == 'true'
1778  _llvm = 'enabled'
1779  warning('llvm option "true" deprecated, please use "enabled" instead.')
1780elif _llvm == 'false'
1781  _llvm = 'disabled'
1782  warning('llvm option "false" deprecated, please use "disabled" instead.')
1783endif
1784
1785# the cmake method can only link statically, so don't attempt to use it if we
1786# want to link dynamically. Before 0.54.0 meson will try cmake even when shared
1787# linking is requested, so we need to force the config-tool method to be used
1788# in that case, but in 0.54.0 meson won't try the cmake method if shared
1789# linking is requested.
1790_llvm_method = 'auto'
1791if meson.version().version_compare('< 0.54.0') and _shared_llvm
1792  _llvm_method = 'config-tool'
1793endif
1794
1795dep_llvm = null_dep
1796with_llvm = false
1797if _llvm != 'disabled'
1798  dep_llvm = dependency(
1799    'llvm',
1800    version : _llvm_version,
1801    modules : llvm_modules,
1802    optional_modules : llvm_optional_modules,
1803    required : (
1804      with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or with_clc
1805      or _llvm == 'enabled'
1806    ),
1807    static : not _shared_llvm,
1808    method : _llvm_method,
1809    fallback : ['llvm', 'dep_llvm'],
1810    include_type : 'system',
1811  )
1812  with_llvm = dep_llvm.found()
1813endif
1814if with_llvm
1815  pre_args += '-DLLVM_AVAILABLE'
1816  pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1817  pre_args += '-DLLVM_IS_SHARED=@0@'.format(_shared_llvm.to_int())
1818
1819  if draw_with_llvm
1820    pre_args += '-DDRAW_LLVM_AVAILABLE'
1821  elif with_swrast_vk
1822    error('Lavapipe requires LLVM draw support.')
1823  endif
1824
1825  if host_machine.system() != 'windows'
1826    # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1827    # programs, so we need to build all C++ code in mesa without rtti as well to
1828    # ensure that linking works. Note that Win32 compilers does handle mismatching RTTI
1829    # without issues, so only apply this for other compilers.
1830    if dep_llvm.type_name() == 'internal'
1831      _llvm_rtti = subproject('llvm').get_variable('has_rtti', true)
1832    else
1833      # The CMake finder will return 'ON', the llvm-config will return 'YES'
1834      _llvm_rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1835    endif
1836    if _rtti != _llvm_rtti
1837      if _llvm_rtti
1838        error('LLVM was built with RTTI, cannot build Mesa with RTTI disabled. Remove cpp_rtti disable switch or use LLVM built without LLVM_ENABLE_RTTI.')
1839      else
1840        error('LLVM was built without RTTI, so Mesa must also disable RTTI. Use an LLVM built with LLVM_ENABLE_RTTI or add cpp_rtti=false.')
1841      endif
1842    endif
1843  endif
1844
1845  if cc.get_argument_syntax() == 'msvc'
1846    # Suppress "/DELAYLOAD:ole32.dll/shell32.dll ignored" warnings that LLVM adds
1847    add_project_link_arguments(
1848      '/ignore:4199',
1849      language : ['c', 'cpp'],
1850    )
1851  endif
1852elif with_amd_vk and with_aco_tests
1853  error('ACO tests require LLVM, but LLVM is disabled.')
1854elif with_gallium_radeonsi or with_swrast_vk
1855  error('The following drivers require LLVM: RadeonSI, SWR, Lavapipe. One of these is enabled, but LLVM is disabled.')
1856elif with_gallium_opencl
1857  error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1858elif with_clc
1859  error('The CLC compiler requires LLVM, but LLVM is disabled.')
1860else
1861  draw_with_llvm = false
1862endif
1863
1864with_opencl_spirv = (_opencl != 'disabled' and get_option('opencl-spirv')) or with_clc
1865if with_opencl_spirv
1866  chosen_llvm_version_array = dep_llvm.version().split('.')
1867  chosen_llvm_version_major = chosen_llvm_version_array[0].to_int()
1868  chosen_llvm_version_minor = chosen_llvm_version_array[1].to_int()
1869
1870  # Require an SPIRV-LLVM-Translator version compatible with the chosen LLVM
1871  # one.
1872  _llvmspirvlib_version = [
1873    # This first version check is still needed as maybe LLVM 8.0 was picked but
1874    # we do not want to accept SPIRV-LLVM-Translator 8.0.0.1 as that version does
1875    # not have the required API and those are only available starting from
1876    # 8.0.1.3.
1877    '>= 8.0.1.3',
1878    '>= @0@.@1@'.format(chosen_llvm_version_major, chosen_llvm_version_minor),
1879    '< @0@.@1@'.format(chosen_llvm_version_major, chosen_llvm_version_minor + 1) ]
1880
1881  dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
1882  # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
1883  dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : _llvmspirvlib_version)
1884else
1885  dep_spirv_tools = null_dep
1886  dep_llvmspirvlib = null_dep
1887endif
1888
1889dep_clang = null_dep
1890if with_clc
1891  llvm_libdir = dep_llvm.get_variable(cmake : 'LLVM_LIBRARY_DIR', configtool: 'libdir')
1892
1893  dep_clang = cpp.find_library('clang-cpp', dirs : llvm_libdir, required : false)
1894
1895  if not dep_clang.found() or not _shared_llvm
1896    clang_modules = [
1897      'clangBasic', 'clangAST', 'clangCodeGen', 'clangLex',
1898      'clangDriver', 'clangFrontend', 'clangFrontendTool',
1899      'clangHandleCXX', 'clangHandleLLVM', 'clangSerialization',
1900      'clangSema', 'clangParse', 'clangEdit', 'clangAnalysis'
1901    ]
1902
1903    dep_clang = []
1904    foreach m : clang_modules
1905      dep_clang += cpp.find_library(m, dirs : llvm_libdir, required : true)
1906    endforeach
1907  endif
1908endif
1909
1910# Be explicit about only using this lib on Windows, to avoid picking
1911# up random libs with the generic name 'libversion'
1912dep_version = null_dep
1913if host_machine.system() == 'windows'
1914  dep_version = cpp.find_library('version')
1915endif
1916
1917with_opencl_native = _opencl != 'disabled' and get_option('opencl-native')
1918
1919if (with_amd_vk or with_gallium_radeonsi or
1920    (with_gallium_opencl and with_opencl_native) or
1921    (with_gallium_r600 and with_llvm))
1922  dep_elf = dependency('libelf', required : false)
1923  if not with_platform_windows and not dep_elf.found()
1924    dep_elf = cc.find_library('elf')
1925  endif
1926else
1927  dep_elf = null_dep
1928endif
1929
1930dep_glvnd = null_dep
1931if with_glvnd
1932  dep_glvnd = dependency('libglvnd', version : '>= 1.3.2')
1933  pre_args += '-DUSE_LIBGLVND=1'
1934endif
1935
1936_valgrind = get_option('valgrind')
1937if _valgrind == 'true'
1938  _valgrind = 'enabled'
1939  warning('valgrind option "true" deprecated, please use "enabled" instead.')
1940elif _valgrind == 'false'
1941  _valgrind = 'disabled'
1942  warning('valgrind option "false" deprecated, please use "disabled" instead.')
1943endif
1944if _valgrind != 'disabled'
1945  dep_valgrind = dependency('valgrind', required : _valgrind == 'enabled')
1946  if dep_valgrind.found()
1947    pre_args += '-DHAVE_VALGRIND'
1948  endif
1949else
1950  dep_valgrind = null_dep
1951endif
1952
1953# AddressSanitizer's leak reports need all the symbols to be present at exit to
1954# decode well, which runs afoul of our dlopen()/dlclose()ing of the DRI drivers.
1955# Set a flag so we can skip the dlclose for asan builds.
1956if ['address', 'address,undefined'].contains(get_option('b_sanitize'))
1957  asan_c_args = ['-DBUILT_WITH_ASAN=1']
1958else
1959  asan_c_args = ['-DBUILT_WITH_ASAN=0']
1960endif
1961
1962yacc_is_bison = true
1963
1964if build_machine.system() == 'windows'
1965  # Prefer the winflexbison versions, they're much easier to install and have
1966  # better windows support.
1967
1968  prog_flex = find_program('win_flex', required : false)
1969  if prog_flex.found()
1970    # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1971    # _fileno functions)
1972    prog_flex = [prog_flex, '--wincompat']
1973  else
1974    prog_flex = [find_program('flex', 'lex', required : with_any_opengl)]
1975  endif
1976  # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1977  # __STDC__ macro to determine whether it's safe to use const keyword
1978  prog_flex += '-DYY_USE_CONST='
1979
1980  prog_flex_cpp = prog_flex
1981  # Convince win_flex to use <inttypes.h> for C++ files
1982  # Note that we are using a C99 version here rather than C11,
1983  # because using a C11 version can cause the MSVC CRT headers to define
1984  # static_assert to _Static_assert, which breaks other parts of the CRT
1985  prog_flex_cpp += '-D__STDC_VERSION__=199901'
1986
1987  prog_bison = find_program('win_bison', required : false)
1988  if not prog_bison.found()
1989    prog_bison = find_program('bison', 'yacc', required : with_any_opengl)
1990  endif
1991else
1992  prog_bison = find_program('bison', required : false)
1993
1994  if not prog_bison.found()
1995    prog_bison = find_program('byacc', required : with_any_opengl)
1996    yacc_is_bison = false
1997  endif
1998
1999  # Disable deprecated keyword warnings, since we have to use them for
2000  # old-bison compat.  See discussion in
2001  # https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2161
2002  if find_program('bison', required : false, version : '> 2.3').found()
2003    prog_bison = [prog_bison, '-Wno-deprecated']
2004  endif
2005
2006  prog_flex = find_program('flex', required : with_any_opengl)
2007  prog_flex_cpp = prog_flex
2008endif
2009
2010dep_selinux = null_dep
2011if get_option('selinux')
2012  if get_option('execmem') != true
2013    warning('execmem option is disabled, selinux will not be able to use execmem.')
2014  endif
2015  dep_selinux = dependency('libselinux')
2016  pre_args += '-DMESA_SELINUX'
2017endif
2018
2019if get_option('execmem')
2020  pre_args += '-DMESA_EXECMEM'
2021endif
2022
2023_libunwind = get_option('libunwind')
2024if _libunwind == 'true'
2025  _libunwind = 'enabled'
2026  warning('libunwind option "true" deprecated, please use "enabled" instead.')
2027elif _libunwind == 'false'
2028  _libunwind = 'disabled'
2029  warning('libunwind option "false" deprecated, please use "disabled" instead.')
2030endif
2031if _libunwind != 'disabled' and not with_platform_android
2032  if host_machine.system() == 'darwin'
2033    dep_unwind = meson.get_compiler('c').find_library('System')
2034  else
2035    dep_unwind = dependency('libunwind', required : _libunwind == 'enabled')
2036  endif
2037  if dep_unwind.found()
2038    pre_args += '-DHAVE_LIBUNWIND'
2039  endif
2040else
2041  dep_unwind = null_dep
2042endif
2043
2044if with_osmesa
2045  if not with_gallium_softpipe
2046    error('OSMesa gallium requires gallium softpipe or llvmpipe.')
2047  endif
2048  if host_machine.system() == 'windows'
2049    osmesa_lib_name = 'osmesa'
2050  else
2051    osmesa_lib_name = 'OSMesa'
2052  endif
2053  osmesa_bits = get_option('osmesa-bits')
2054  if osmesa_bits != 'unspecified'
2055    warning('osmesa-bits option is deprecated and have no effect, please remove it.')
2056  endif
2057endif
2058
2059# TODO: symbol mangling
2060
2061if with_platform_wayland
2062  dep_wl_scanner = dependency('wayland-scanner', native: true)
2063  prog_wl_scanner = find_program(dep_wl_scanner.get_variable(pkgconfig : 'wayland_scanner'))
2064  if dep_wl_scanner.version().version_compare('>= 1.15')
2065    wl_scanner_arg = 'private-code'
2066  else
2067    wl_scanner_arg = 'code'
2068  endif
2069  dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.24')
2070  dep_wayland_client = dependency('wayland-client', version : '>=1.18')
2071  dep_wayland_server = dependency('wayland-server', version : '>=1.18')
2072  if with_egl
2073    dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
2074    dep_wayland_egl_headers = dep_wayland_egl.partial_dependency(compile_args : true)
2075  endif
2076  wayland_dmabuf_xml = join_paths(
2077    dep_wl_protocols.get_variable(pkgconfig : 'pkgdatadir'), 'unstable',
2078    'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
2079  )
2080  pre_args += '-DWL_HIDE_DEPRECATED'
2081endif
2082
2083dep_x11 = null_dep
2084dep_xext = null_dep
2085dep_xfixes = null_dep
2086dep_x11_xcb = null_dep
2087dep_xcb = null_dep
2088dep_xcb_glx = null_dep
2089dep_xcb_dri2 = null_dep
2090dep_xcb_dri3 = null_dep
2091dep_dri2proto = null_dep
2092dep_glproto = null_dep
2093dep_xxf86vm = null_dep
2094dep_xcb_dri3 = null_dep
2095dep_xcb_present = null_dep
2096dep_xcb_sync = null_dep
2097dep_xcb_xfixes = null_dep
2098dep_xshmfence = null_dep
2099dep_xcb_xrandr = null_dep
2100dep_xcb_shm = null_dep
2101dep_xlib_xrandr = null_dep
2102dep_openmp = null_dep
2103
2104# Even if we find OpenMP, Gitlab CI fails to link with gcc/i386 and clang/anyarch.
2105if host_machine.cpu_family() == 'x86_64' and cc.get_id() == 'gcc'
2106  dep_openmp = dependency('openmp', required : false)
2107  if dep_openmp.found()
2108    pre_args += ['-DHAVE_OPENMP']
2109  endif
2110endif
2111
2112if with_platform_x11
2113  if with_glx == 'xlib' or with_glx == 'gallium-xlib'
2114    dep_x11 = dependency('x11')
2115    dep_xext = dependency('xext')
2116    dep_xcb = dependency('xcb')
2117  elif with_glx == 'dri'
2118    dep_x11 = dependency('x11')
2119    dep_xext = dependency('xext')
2120    dep_xfixes = dependency('xfixes', version : '>= 2.0')
2121    dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
2122    dep_xcb_shm = dependency('xcb-shm')
2123  endif
2124  if (with_any_vk or with_glx == 'dri' or with_egl or
2125       (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
2126        with_gallium_omx != 'disabled'))
2127    dep_xcb = dependency('xcb')
2128    dep_x11_xcb = dependency('x11-xcb')
2129    if with_dri_platform == 'drm' and not dep_libdrm.found()
2130      error('libdrm required for gallium video statetrackers when using x11')
2131    endif
2132  endif
2133  if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
2134    dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
2135
2136    if with_dri3
2137      pre_args += '-DHAVE_DRI3'
2138      dep_xcb_dri3 = dependency('xcb-dri3')
2139      dep_xcb_present = dependency('xcb-present')
2140      # until xcb-dri3 has been around long enough to make a hard-dependency:
2141      if (dep_xcb_dri3.version().version_compare('>= 1.13') and
2142          dep_xcb_present.version().version_compare('>= 1.13'))
2143        pre_args += '-DHAVE_DRI3_MODIFIERS'
2144      endif
2145      dep_xcb_shm = dependency('xcb-shm')
2146      dep_xcb_sync = dependency('xcb-sync')
2147      dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
2148    endif
2149  endif
2150  if with_glx == 'dri' or with_glx == 'xlib' or with_glx == 'gallium-xlib'
2151    dep_glproto = dependency('glproto', version : '>= 1.4.14')
2152  endif
2153  if with_glx == 'dri'
2154    if with_dri_platform == 'drm'
2155      dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
2156      if with_glx_direct
2157        dep_xxf86vm = dependency('xxf86vm')
2158      endif
2159    endif
2160  endif
2161  if (with_egl or
2162      with_dri3 or (
2163      with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
2164      with_gallium_omx != 'disabled'))
2165    dep_xcb_xfixes = dependency('xcb-xfixes')
2166  endif
2167  if with_xlib_lease or with_any_vk
2168    dep_xcb_xrandr = dependency('xcb-randr')
2169  endif
2170  if with_xlib_lease
2171    dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
2172  endif
2173endif
2174
2175if get_option('gallium-extra-hud')
2176  pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
2177endif
2178
2179_sensors = get_option('lmsensors')
2180if _sensors == 'true'
2181  _sensors = 'enabled'
2182  warning('lmsensors option "true" deprecated, please use "enabled" instead.')
2183elif _sensors == 'false'
2184  _sensors = 'disabled'
2185  warning('lmsensors option "false" deprecated, please use "disabled" instead.')
2186endif
2187if _sensors != 'disabled'
2188  dep_lmsensors = cc.find_library('sensors', required : _sensors == 'enabled')
2189  if dep_lmsensors.found()
2190    pre_args += '-DHAVE_LIBSENSORS=1'
2191  endif
2192else
2193  dep_lmsensors = null_dep
2194endif
2195
2196_shader_replacement = get_option('custom-shader-replacement')
2197if _shader_replacement == ''
2198else
2199  pre_args += '-DCUSTOM_SHADER_REPLACEMENT'
2200endif
2201
2202with_perfetto = get_option('perfetto')
2203with_datasources = get_option('datasources')
2204with_any_datasource = with_datasources.length() != 0
2205if with_perfetto
2206  dep_perfetto = dependency('perfetto', fallback: ['perfetto', 'dep_perfetto'])
2207  pre_args += '-DHAVE_PERFETTO'
2208endif
2209
2210add_project_arguments(pre_args, language : ['c', 'cpp'])
2211add_project_arguments(c_args,   language : ['c'])
2212add_project_arguments(cpp_args, language : ['cpp'])
2213
2214gl_priv_reqs = []
2215
2216if with_glx == 'xlib' or with_glx == 'gallium-xlib'
2217  gl_priv_reqs += ['x11', 'xext', 'xcb']
2218elif with_glx == 'dri'
2219  gl_priv_reqs += [
2220    'x11', 'xext', 'xfixes', 'x11-xcb', 'xcb',
2221    'xcb-glx >= 1.8.1']
2222  if with_dri_platform == 'drm'
2223    gl_priv_reqs += 'xcb-dri2 >= 1.8'
2224    if with_glx_direct
2225      gl_priv_reqs += 'xxf86vm'
2226    endif
2227  endif
2228endif
2229if dep_libdrm.found()
2230  gl_priv_reqs += 'libdrm >= 2.4.75'
2231endif
2232
2233gl_priv_libs = []
2234if dep_thread.found()
2235  gl_priv_libs += ['-lpthread', '-pthread']
2236endif
2237if dep_m.found()
2238  gl_priv_libs += '-lm'
2239endif
2240if dep_dl.found()
2241  gl_priv_libs += '-ldl'
2242endif
2243
2244# FIXME: autotools lists this as incomplete
2245gbm_priv_libs = []
2246if dep_dl.found()
2247  gbm_priv_libs += '-ldl'
2248endif
2249
2250pkg = import('pkgconfig')
2251
2252if host_machine.system() == 'windows'
2253  prog_dumpbin = find_program('dumpbin', required : false)
2254  with_symbols_check = prog_dumpbin.found() and with_tests
2255  if with_symbols_check
2256    symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
2257  endif
2258else
2259  prog_nm = find_program('nm')
2260  with_symbols_check = with_tests
2261  symbols_check_args = ['--nm', prog_nm.path()]
2262endif
2263
2264# This quirk needs to be applied to sources with functions defined in assembly
2265# as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
2266gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
2267
2268devenv = environment()
2269
2270subdir('include')
2271subdir('bin')
2272subdir('src')
2273
2274if meson.version().version_compare('>= 0.58')
2275  meson.add_devenv(devenv)
2276endif
2277
2278lines = ['',
2279  'prefix:          ' + get_option('prefix'),
2280  'libdir:          ' + get_option('libdir'),
2281  'includedir:      ' + get_option('includedir'),
2282  '',
2283  'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(with_opengl ? 'yes' : 'no',
2284                                                    with_gles1 ? 'yes' : 'no',
2285                                                    with_gles2 ? 'yes' : 'no'),
2286]
2287
2288if with_osmesa
2289  lines += ''
2290  lines += 'OSMesa:          lib' + osmesa_lib_name
2291else
2292  lines += 'OSMesa:          no'
2293endif
2294
2295if with_dri
2296  lines += ''
2297  lines += 'DRI platform:    ' + with_dri_platform
2298  if dri_drivers.length() != 0 and dri_drivers != ['']
2299    lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
2300  else
2301    lines += 'DRI drivers:     no'
2302  endif
2303  lines += 'DRI driver dir:  ' + dri_drivers_path
2304endif
2305
2306if with_glx != 'disabled'
2307  lines += ''
2308  if with_glx == 'dri'
2309    lines += 'GLX:             DRI-based'
2310  elif with_glx == 'xlib'
2311    lines += 'GLX:             Xlib-based'
2312  else
2313    lines += 'GLX:             ' + with_glx
2314  endif
2315endif
2316
2317lines += ''
2318lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
2319if with_egl
2320  egl_drivers = []
2321  if with_dri
2322    egl_drivers += 'builtin:egl_dri2'
2323  endif
2324  if with_dri3
2325    egl_drivers += 'builtin:egl_dri3'
2326  endif
2327  if with_platform_windows
2328    egl_drivers += 'builtin:wgl'
2329  endif
2330  lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
2331endif
2332if with_egl or with_any_vk
2333  lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
2334endif
2335lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
2336if with_gbm
2337  lines += 'GBM backends path: ' + gbm_backends_path
2338endif
2339
2340lines += ''
2341lines += 'Video Codecs: ' + ' '.join(_codecs)
2342lines += ''
2343
2344if with_any_vk
2345  lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
2346  lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
2347  if with_any_vulkan_layers
2348    lines += 'Vulkan layers:   ' + ' '.join(get_option('vulkan-layers'))
2349  endif
2350else
2351  lines += 'Vulkan drivers:  no'
2352endif
2353
2354lines += ''
2355if with_llvm
2356  lines += 'llvm:            yes'
2357  lines += 'llvm-version:    ' + dep_llvm.version()
2358else
2359  lines += 'llvm:            no'
2360endif
2361
2362lines += ''
2363if with_gallium
2364  lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
2365  gallium_st = ['mesa']
2366  if with_gallium_xa
2367    gallium_st += 'xa'
2368  endif
2369  if with_gallium_xvmc
2370    gallium_st += 'xvmc'
2371  endif
2372  if with_gallium_vdpau
2373    gallium_st += 'vdpau'
2374  endif
2375  if with_gallium_omx != 'disabled'
2376    gallium_st += 'omx' + with_gallium_omx
2377  endif
2378  if with_gallium_va
2379    gallium_st += 'va'
2380  endif
2381  if with_gallium_st_nine
2382    gallium_st += 'nine'
2383  endif
2384  if with_gallium_opencl
2385    gallium_st += 'clover'
2386  endif
2387  lines += 'Gallium st:      ' + ' '.join(gallium_st)
2388else
2389  lines += 'Gallium:         no'
2390endif
2391
2392lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
2393
2394lines += ''
2395lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
2396
2397lines += ''
2398lines += 'Perfetto:        ' + (with_perfetto ? 'yes' : 'no')
2399if with_any_datasource
2400  lines += 'Perfetto ds:     ' + ' '.join(with_datasources)
2401endif
2402
2403
2404indent = '        '
2405summary = indent + ('\n' + indent).join(lines)
2406message('Configuration summary:\n@0@\n'.format(summary))
2407