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 : '>= 0.52',
30  default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c11', 'cpp_std=c++14']
31)
32
33cc = meson.get_compiler('c')
34cpp = meson.get_compiler('cpp')
35
36null_dep = dependency('', required : false)
37
38if get_option('layout') != 'mirror'
39  error('`mirror` is the only build directory layout supported')
40endif
41
42# Arguments for the preprocessor, put these in a separate array from the C and
43# C++ (cpp in meson terminology) arguments since they need to be added to the
44# default arguments for both C and C++.
45pre_args = [
46  '-D__STDC_CONSTANT_MACROS',
47  '-D__STDC_FORMAT_MACROS',
48  '-D__STDC_LIMIT_MACROS',
49  '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
50  '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/-/issues"',
51]
52c_args = []
53cpp_args = []
54
55with_moltenvk_dir = get_option('moltenvk-dir')
56with_vulkan_icd_dir = get_option('vulkan-icd-dir')
57with_tests = get_option('build-tests')
58with_aco_tests = get_option('build-aco-tests')
59with_glx_read_only_text = get_option('glx-read-only-text')
60with_glx_direct = get_option('glx-direct')
61with_osmesa = get_option('osmesa')
62with_swr_arches = get_option('swr-arches')
63with_vulkan_overlay_layer = get_option('vulkan-layers').contains('overlay')
64with_vulkan_device_select_layer = get_option('vulkan-layers').contains('device-select')
65with_tools = get_option('tools')
66if with_tools.contains('all')
67  with_tools = [
68    'drm-shim',
69    'etnaviv',
70    'freedreno',
71    'glsl',
72    'intel',
73    'intel-ui',
74    'lima',
75    'nir',
76    'nouveau',
77    'xvmc',
78    'asahi',
79  ]
80endif
81
82with_any_vulkan_layers = get_option('vulkan-layers').length() != 0
83with_intel_tools = with_tools.contains('intel') or with_tools.contains('intel-ui')
84with_imgui = with_intel_tools or with_vulkan_overlay_layer
85
86dri_drivers_path = get_option('dri-drivers-path')
87if dri_drivers_path == ''
88  dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
89endif
90dri_search_path = get_option('dri-search-path')
91if dri_search_path == ''
92  dri_search_path = dri_drivers_path
93endif
94
95gbm_backends_path = get_option('gbm-backends-path')
96if gbm_backends_path == ''
97  gbm_backends_path = join_paths(get_option('prefix'), get_option('libdir'), 'gbm')
98endif
99
100with_gles1 = get_option('gles1')
101if with_gles1 == 'true'
102  with_gles1 = 'enabled'
103  warning('gles1 option "true" deprecated, please use "enabled" instead.')
104elif with_gles1 == 'false'
105  with_gles1 = 'disabled'
106  warning('gles1 option "false" deprecated, please use "disabled" instead.')
107endif
108with_gles2 = get_option('gles2')
109if with_gles2 == 'true'
110  with_gles2 = 'enabled'
111  warning('gles2 option "true" deprecated, please use "enabled" instead.')
112elif with_gles2 == 'false'
113  with_gles2 = 'disabled'
114  warning('gles2 option "false" deprecated, please use "disabled" instead.')
115endif
116if host_machine.system() == 'windows'
117  if with_gles1 == 'auto'
118    with_gles1 = 'disabled'
119  endif
120  if with_gles2 == 'auto'
121    with_gles2 = 'disabled'
122  endif
123endif
124with_opengl = get_option('opengl')
125
126# Default shared glapi off for windows, on elsewhere.
127_sg = get_option('shared-glapi')
128if _sg == 'true'
129  _sg = 'enabled'
130  warning('shared-glapi option "true" deprecated, please use "enabled" instead.')
131elif _sg == 'false'
132  _sg = 'disabled'
133  warning('shared-glapi option "false" deprecated, please use "disabled" instead.')
134endif
135if _sg == 'auto'
136  with_shared_glapi = host_machine.system() != 'windows'
137else
138  with_shared_glapi = _sg == 'enabled'
139endif
140
141# shared-glapi is required if at least two OpenGL APIs are being built
142if not with_shared_glapi
143  if ((with_gles1 == 'enabled' and with_gles2 == 'enabled') or
144      (with_gles1 == 'enabled' and with_opengl) or
145      (with_gles2 == 'enabled' and with_opengl))
146    error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
147  endif
148  with_gles1 = 'disabled'
149  with_gles2 = 'disabled'
150endif
151
152# We require OpenGL for OpenGL ES
153if not with_opengl
154  if (with_gles1 == 'enabled' or with_gles2 == 'enabled') and not with_opengl
155    error('building OpenGL ES without OpenGL is not supported.')
156  endif
157  with_gles1 = 'disabled'
158  with_gles2 = 'disabled'
159endif
160
161with_gles1 = with_gles1 != 'disabled'
162with_gles2 = with_gles2 != 'disabled'
163with_any_opengl = with_opengl or with_gles1 or with_gles2
164# Only build shared_glapi if at least one OpenGL API is enabled
165with_shared_glapi = with_shared_glapi and with_any_opengl
166
167system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux', 'sunos'].contains(host_machine.system())
168
169dri_drivers = get_option('dri-drivers')
170if dri_drivers.contains('auto')
171  if system_has_kms_drm
172    # TODO: PPC, Sparc
173    if ['x86', 'x86_64'].contains(host_machine.cpu_family())
174      dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
175    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
176      dri_drivers = []
177    elif ['mips', 'mips64', 'riscv32', 'riscv64'].contains(host_machine.cpu_family())
178      dri_drivers = ['r100', 'r200', 'nouveau']
179    else
180      error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
181            host_machine.cpu_family()))
182    endif
183  elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
184    # only swrast would make sense here, but gallium swrast is a much better default
185    dri_drivers = []
186  else
187    error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
188          host_machine.system()))
189  endif
190endif
191
192with_dri_i915 = dri_drivers.contains('i915')
193with_dri_i965 = dri_drivers.contains('i965')
194with_dri_r100 = dri_drivers.contains('r100')
195with_dri_r200 = dri_drivers.contains('r200')
196with_dri_nouveau = dri_drivers.contains('nouveau')
197
198with_dri = dri_drivers.length() != 0
199
200gallium_drivers = get_option('gallium-drivers')
201if gallium_drivers.contains('auto')
202  if system_has_kms_drm
203    # TODO: PPC, Sparc
204    if ['x86', 'x86_64'].contains(host_machine.cpu_family())
205      gallium_drivers = [
206        'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast',
207        'iris', 'crocus'
208      ]
209    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
210      gallium_drivers = [
211        'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
212        'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
213      ]
214    elif ['mips', 'mips64', 'riscv32', 'riscv64'].contains(host_machine.cpu_family())
215      gallium_drivers = [
216        'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'swrast'
217      ]
218    else
219      error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
220            host_machine.cpu_family()))
221    endif
222  elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
223    gallium_drivers = ['swrast']
224  else
225    error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
226          host_machine.system()))
227  endif
228endif
229with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
230with_gallium_r300 = gallium_drivers.contains('r300')
231with_gallium_r600 = gallium_drivers.contains('r600')
232with_gallium_nouveau = gallium_drivers.contains('nouveau')
233with_gallium_freedreno = gallium_drivers.contains('freedreno')
234with_gallium_softpipe = gallium_drivers.contains('swrast')
235with_gallium_vc4 = gallium_drivers.contains('vc4')
236with_gallium_v3d = gallium_drivers.contains('v3d')
237with_gallium_panfrost = gallium_drivers.contains('panfrost')
238with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
239with_gallium_tegra = gallium_drivers.contains('tegra')
240with_gallium_crocus = gallium_drivers.contains('crocus')
241with_gallium_iris = gallium_drivers.contains('iris')
242with_gallium_i915 = gallium_drivers.contains('i915')
243with_gallium_svga = gallium_drivers.contains('svga')
244with_gallium_virgl = gallium_drivers.contains('virgl')
245with_gallium_swr = gallium_drivers.contains('swr')
246with_gallium_lima = gallium_drivers.contains('lima')
247with_gallium_zink = gallium_drivers.contains('zink')
248with_gallium_d3d12 = gallium_drivers.contains('d3d12')
249with_gallium_asahi = gallium_drivers.contains('asahi')
250
251with_gallium = gallium_drivers.length() != 0
252with_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
253
254if with_gallium and system_has_kms_drm
255  _glx = get_option('glx')
256  _egl = get_option('egl')
257  if _glx == 'dri' or _egl == 'enabled' or (_glx == 'disabled' and _egl != 'disabled')
258    with_dri = true
259  endif
260endif
261
262_vulkan_drivers = get_option('vulkan-drivers')
263if _vulkan_drivers.contains('auto')
264  if system_has_kms_drm
265    if host_machine.cpu_family().startswith('x86')
266      _vulkan_drivers = ['amd', 'intel', 'swrast']
267    elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
268      _vulkan_drivers = ['swrast']
269    elif ['mips', 'mips64', 'riscv32', 'riscv64'].contains(host_machine.cpu_family())
270      _vulkan_drivers = ['amd', 'swrast']
271    else
272      error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
273            host_machine.cpu_family()))
274    endif
275  elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
276    # No vulkan driver supports windows or macOS currently
277    _vulkan_drivers = []
278  else
279    error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
280          host_machine.system()))
281  endif
282endif
283
284with_intel_vk = _vulkan_drivers.contains('intel')
285with_amd_vk = _vulkan_drivers.contains('amd')
286with_freedreno_vk = _vulkan_drivers.contains('freedreno')
287with_panfrost_vk = _vulkan_drivers.contains('panfrost')
288with_swrast_vk = _vulkan_drivers.contains('swrast')
289with_virtio_vk = _vulkan_drivers.contains('virtio-experimental')
290with_freedreno_kgsl = get_option('freedreno-kgsl')
291with_broadcom_vk = _vulkan_drivers.contains('broadcom')
292with_any_vk = _vulkan_drivers.length() != 0
293
294with_any_broadcom = with_gallium_vc4 or with_gallium_v3d or with_broadcom_vk
295with_any_intel = with_dri_i965 or with_intel_vk or with_gallium_iris or with_gallium_crocus
296
297if with_swrast_vk and not with_gallium_softpipe
298  error('swrast vulkan requires gallium swrast')
299endif
300if with_dri_i915 and with_gallium_i915
301  error('Only one i915 provider can be built')
302endif
303if with_gallium_tegra and not with_gallium_nouveau
304  error('tegra driver requires nouveau driver')
305endif
306if with_aco_tests and not with_amd_vk
307  error('ACO tests require Radv')
308endif
309
310with_microsoft_clc = get_option('microsoft-clc').enabled()
311with_clc = with_microsoft_clc
312with_libclc = with_clc
313with_spirv_to_dxil = get_option('spirv-to-dxil')
314
315if host_machine.system() == 'darwin'
316  with_dri_platform = 'apple'
317  pre_args += '-DBUILDING_MESA'
318elif ['windows', 'cygwin'].contains(host_machine.system())
319  with_dri_platform = 'windows'
320elif system_has_kms_drm
321  with_dri_platform = 'drm'
322else
323  # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
324  # assert here that one of those cases has been met.
325  # FIXME: illumos ends up here as well
326  with_dri_platform = 'none'
327endif
328
329_platforms = get_option('platforms')
330if _platforms.contains('auto')
331  if system_has_kms_drm
332    _platforms = ['x11', 'wayland']
333  elif ['darwin', 'cygwin'].contains(host_machine.system())
334    _platforms = ['x11']
335  elif ['haiku'].contains(host_machine.system())
336    _platforms = ['haiku']
337  elif host_machine.system() == 'windows'
338    _platforms = ['windows']
339  else
340    error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
341          host_machine.system()))
342  endif
343endif
344
345with_platform_android = _platforms.contains('android')
346with_platform_x11 = _platforms.contains('x11')
347with_platform_wayland = _platforms.contains('wayland')
348with_platform_haiku = _platforms.contains('haiku')
349with_platform_windows = _platforms.contains('windows')
350
351with_glx = get_option('glx')
352if with_glx == 'auto'
353  if with_platform_android
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
445
446_egl = get_option('egl')
447if _egl == 'true'
448  _egl = 'enabled'
449  warning('egl option "true" deprecated, please use "enabled" instead.')
450elif _egl == 'false'
451  _egl = 'disabled'
452  warning('egl option "false" deprecated, please use "disabled" instead.')
453endif
454if _egl == 'auto'
455  with_egl = (
456    host_machine.system() != 'darwin' and
457    (with_platform_windows or with_dri) and
458    with_shared_glapi
459  )
460elif _egl == 'enabled'
461  if not with_dri and not with_platform_haiku and not with_platform_windows
462    error('EGL requires dri, haiku, or windows')
463  elif not with_shared_glapi
464    error('EGL requires shared-glapi')
465  elif not ['disabled', 'dri'].contains(with_glx)
466    error('EGL requires dri, but a GLX is being built without dri')
467  elif host_machine.system() == 'darwin'
468    error('EGL is not available on MacOS')
469  endif
470  with_egl = true
471else
472  with_egl = false
473endif
474
475if with_egl
476  _platforms += 'surfaceless'
477  if with_gbm and not with_platform_android
478    _platforms += 'drm'
479  endif
480endif
481
482egl_native_platform = get_option('egl-native-platform')
483if egl_native_platform.contains('auto')
484  if _platforms.length() != 0
485    egl_native_platform = _platforms[0]
486  else
487    egl_native_platform = 'surfaceless'
488  endif
489endif
490
491if with_egl and not _platforms.contains(egl_native_platform)
492  error('-Degl-native-platform does not specify an enabled platform')
493endif
494
495# Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
496use_elf_tls = false
497if (not ['freebsd', 'dragonfly', 'openbsd', 'haiku'].contains(host_machine.system()) and
498    (not with_platform_android or get_option('platform-sdk-version') >= 29) and
499    (not with_platform_windows or not with_shared_glapi))
500  pre_args += '-DUSE_ELF_TLS'
501  use_elf_tls = true
502
503  if with_platform_android
504    # By default the NDK compiler, at least, emits emutls references instead of
505    # ELF TLS, even when building targeting newer API levels.  Make it actually do
506    # ELF TLS instead.
507    c_args += '-fno-emulated-tls'
508    cpp_args += '-fno-emulated-tls'
509  endif
510endif
511
512if with_glx != 'disabled'
513  if not (with_platform_x11 and with_any_opengl)
514    error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
515  elif with_glx == 'gallium-xlib'
516    if not with_gallium
517      error('Gallium-xlib based GLX requires at least one gallium driver')
518    elif not with_gallium_softpipe
519      error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
520    elif with_dri
521      error('gallium-xlib conflicts with any dri driver')
522    endif
523  elif with_glx == 'xlib'
524    if with_dri
525      error('xlib conflicts with any dri driver')
526    endif
527  elif with_glx == 'dri'
528    if not with_shared_glapi
529      error('dri based GLX requires shared-glapi')
530    endif
531  endif
532endif
533
534with_glvnd = get_option('glvnd')
535glvnd_vendor_name = get_option('glvnd-vendor-name')
536if with_glvnd
537  if with_platform_windows
538    error('glvnd cannot be used on Windows')
539  elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
540    error('Cannot build glvnd support for GLX that is not DRI based.')
541  elif with_glx == 'disabled' and not with_egl
542    error('glvnd requires DRI based GLX and/or EGL')
543  endif
544  if get_option('egl-lib-suffix') != ''
545    error('''EGL lib suffix can't be used with libglvnd''')
546  endif
547endif
548
549if with_vulkan_icd_dir == ''
550  with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
551endif
552
553# GNU/Hurd includes egl_dri2, without drm.
554with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
555  host_machine.system() == 'gnu')
556_dri3 = get_option('dri3')
557if _dri3 == 'true'
558  _dri3 = 'enabled'
559  warning('dri3 option "true" deprecated, please use "enabled" instead.')
560elif _dri3 == 'false'
561  _dri3 = 'disabled'
562  warning('dri3 option "false" deprecated, please use "disabled" instead.')
563endif
564if _dri3 == 'auto'
565  with_dri3 = system_has_kms_drm and with_dri2
566else
567  with_dri3 = _dri3 == 'enabled'
568endif
569
570if with_any_vk and (with_platform_x11 and not with_dri3)
571  error('Vulkan drivers require dri3 for X11 support')
572endif
573if with_dri
574  if with_glx == 'disabled' and not with_egl and not with_gbm
575    error('building dri drivers require at least one windowing system')
576  endif
577endif
578
579if with_gallium_kmsro and (with_platform_x11 and not with_dri3)
580  error('kmsro requires dri3 for X11 support')
581endif
582
583_vdpau = get_option('gallium-vdpau')
584if _vdpau == 'true'
585  _vdpau = 'enabled'
586  warning('gallium-vdpau option "true" deprecated, please use "enabled" instead.')
587elif _vdpau == 'false'
588  _vdpau = 'disabled'
589  warning('gallium-vdpau option "false" deprecated, please use "disabled" instead.')
590endif
591if not system_has_kms_drm
592  if _vdpau == 'enabled'
593    error('VDPAU state tracker can only be build on unix-like OSes.')
594  else
595    _vdpau = 'disabled'
596  endif
597elif not with_platform_x11
598  if _vdpau == 'enabled'
599    error('VDPAU state tracker requires X11 support.')
600  else
601    _vdpau = 'disabled'
602  endif
603elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
604          with_gallium_nouveau)
605  if _vdpau == 'enabled'
606    error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
607  else
608    _vdpau = 'disabled'
609  endif
610endif
611dep_vdpau = null_dep
612with_gallium_vdpau = false
613if _vdpau != 'disabled'
614  dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'enabled')
615  if dep_vdpau.found()
616    dep_vdpau = dep_vdpau.partial_dependency(compile_args : true)
617    with_gallium_vdpau = true
618  endif
619endif
620
621if with_gallium_vdpau
622  pre_args += '-DHAVE_ST_VDPAU'
623endif
624vdpau_drivers_path = get_option('vdpau-libs-path')
625if vdpau_drivers_path == ''
626  vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
627endif
628
629if with_gallium_zink
630  dep_vulkan = dependency('vulkan')
631endif
632
633dep_dxheaders = null_dep
634if with_gallium_d3d12 or with_microsoft_clc
635  dep_dxheaders = dependency('DirectX-Headers', fallback : ['DirectX-Headers', 'dep_dxheaders'],
636    required : with_gallium_d3d12
637  )
638endif
639
640if with_vulkan_overlay_layer or with_aco_tests
641  prog_glslang = find_program('glslangValidator')
642endif
643
644_xvmc = get_option('gallium-xvmc')
645if _xvmc == 'true'
646  _xvmc = 'enabled'
647  warning('gallium-xvmc option "true" deprecated, please use "enabled" instead.')
648elif _xvmc == 'false'
649  _xvmc = 'disabled'
650  warning('gallium-xvmc option "false" deprecated, please use "disabled" instead.')
651endif
652if not system_has_kms_drm
653  if _xvmc == 'enabled'
654    error('XVMC state tracker can only be build on unix-like OSes.')
655  else
656    _xvmc = 'disabled'
657  endif
658elif not with_platform_x11
659  if _xvmc == 'enabled'
660    error('XVMC state tracker requires X11 support.')
661  else
662    _xvmc = 'disabled'
663  endif
664elif not (with_gallium_r600 or with_gallium_nouveau)
665  if _xvmc == 'enabled'
666    error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
667  else
668    _xvmc = 'disabled'
669  endif
670endif
671dep_xvmc = null_dep
672dep_xv = null_dep
673with_gallium_xvmc = false
674if _xvmc != 'disabled'
675  dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'enabled')
676  dep_xv = dependency('xv', required : _xvmc == 'enabled')
677  with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
678endif
679
680xvmc_drivers_path = get_option('xvmc-libs-path')
681if xvmc_drivers_path == ''
682  xvmc_drivers_path = get_option('libdir')
683endif
684
685_omx = get_option('gallium-omx')
686if not system_has_kms_drm
687  if ['auto', 'disabled'].contains(_omx)
688    _omx = 'disabled'
689  else
690    error('OMX state tracker can only be built on unix-like OSes.')
691  endif
692elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
693  if ['auto', 'disabled'].contains(_omx)
694    _omx = 'disabled'
695  else
696    error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
697  endif
698endif
699with_gallium_omx = _omx
700dep_omx = null_dep
701dep_omx_other = []
702if ['auto', 'bellagio'].contains(_omx)
703  dep_omx = dependency(
704    'libomxil-bellagio', required : _omx == 'bellagio'
705  )
706  if dep_omx.found()
707    with_gallium_omx = 'bellagio'
708  endif
709endif
710if ['auto', 'tizonia'].contains(_omx)
711  if with_dri and with_egl
712    dep_omx = dependency(
713      'libtizonia', version : '>= 0.10.0',
714      required : _omx == 'tizonia',
715    )
716    dep_omx_other = [
717      dependency('libtizplatform', required : _omx == 'tizonia'),
718      dependency('tizilheaders', required : _omx == 'tizonia'),
719    ]
720    if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
721      with_gallium_omx = 'tizonia'
722    endif
723  elif _omx == 'tizonia'
724    error('OMX-Tizonia state tracker requires dri and egl')
725  endif
726endif
727if _omx == 'auto'
728  with_gallium_omx = 'disabled'
729else
730  with_gallium_omx = _omx
731endif
732
733pre_args += [
734  '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
735  '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
736]
737
738
739omx_drivers_path = get_option('omx-libs-path')
740
741if with_gallium_omx != 'disabled'
742  # Figure out where to put the omx driver.
743  # FIXME: this could all be vastly simplified by adding a 'defined_variable'
744  # argument to meson's get_pkgconfig_variable method.
745  if omx_drivers_path == ''
746    _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
747    _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
748    if _omx_libdir == get_option('libdir')
749      omx_drivers_path = _omx_drivers_dir
750    else
751      _omx_base_dir = []
752      # This will fail on windows. Does OMX run on windows?
753      _omx_libdir = _omx_libdir.split('/')
754      _omx_drivers_dir = _omx_drivers_dir.split('/')
755      foreach o : _omx_drivers_dir
756        if not _omx_libdir.contains(o)
757          _omx_base_dir += o
758        endif
759      endforeach
760      omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
761    endif
762  endif
763endif
764
765_va = get_option('gallium-va')
766if _va == 'true'
767  _va = 'enabled'
768  warning('gallium-va option "true" deprecated, please use "enabled" instead.')
769elif _va == 'false'
770  _va = 'disabled'
771  warning('gallium-va option "false" deprecated, please use "disabled" instead.')
772endif
773if not system_has_kms_drm
774  if _va == 'enabled'
775    error('VA state tracker can only be built on unix-like OSes.')
776  else
777    _va = 'disabled'
778  endif
779elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
780  if _va == 'enabled'
781    error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
782  else
783    _va = 'disabled'
784  endif
785endif
786with_gallium_va = false
787dep_va = null_dep
788if _va != 'disabled'
789  dep_va = dependency('libva', version : '>= 1.8.0', required : _va == 'enabled')
790  if dep_va.found()
791    dep_va_headers = dep_va.partial_dependency(compile_args : true)
792    with_gallium_va = true
793    if cc.has_header_symbol('va/va.h', 'VASurfaceAttribDRMFormatModifiers',
794                            dependencies: dep_va_headers)
795      pre_args += '-DHAVE_VA_SURFACE_ATTRIB_DRM_FORMAT_MODIFIERS'
796    endif
797  endif
798endif
799
800va_drivers_path = get_option('va-libs-path')
801if va_drivers_path == ''
802  va_drivers_path = join_paths(get_option('libdir'), 'dri')
803endif
804
805_xa = get_option('gallium-xa')
806if _xa == 'true'
807  _xa = 'enabled'
808  warning('gallium-xa option "true" deprecated, please use "enabled" instead.')
809elif _xa == 'false'
810  _xa = 'disabled'
811  warning('gallium-xa option "false" deprecated, please use "disabled" instead.')
812endif
813if not system_has_kms_drm
814  if _xa == 'enabled'
815    error('XA state tracker can only be built on unix-like OSes.')
816  else
817    _xa = 'disabled'
818  endif
819elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
820          or with_gallium_svga)
821  if _xa == 'enabled'
822    error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
823  else
824    _xa = 'disabled'
825  endif
826endif
827with_gallium_xa = _xa != 'disabled'
828
829d3d_drivers_path = get_option('d3d-drivers-path')
830if d3d_drivers_path == ''
831  d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
832endif
833
834with_gallium_st_nine =  get_option('gallium-nine')
835if with_gallium_st_nine
836  if not with_gallium_softpipe
837    error('The nine state tracker requires gallium softpipe/llvmpipe.')
838  elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
839            or with_gallium_r300 or with_gallium_svga or with_gallium_i915
840            or with_gallium_iris or with_gallium_crocus or with_gallium_zink)
841    error('The nine state tracker requires at least one non-swrast gallium driver.')
842  endif
843  if not with_dri3
844    error('Using nine with wine requires dri3')
845  endif
846endif
847with_gallium_st_d3d10umd =  get_option('gallium-d3d10umd')
848if with_gallium_st_d3d10umd
849  if not with_gallium_softpipe
850    error('The d3d10umd state tracker requires gallium softpipe/llvmpipe.')
851  endif
852endif
853_power8 = get_option('power8')
854if _power8 == 'true'
855  _power8 = 'enabled'
856  warning('power8 option "true" deprecated, please use "enabled" instead.')
857elif _power8 == 'false'
858  _power8 = 'disabled'
859  warning('power8 option "false" deprecated, please use "disabled" instead.')
860endif
861if _power8 != 'disabled'
862  # on old versions of meson the cpu family would return as ppc64le on little
863  # endian power8, this was changed in 0.48 such that the family would always
864  # be ppc64 regardless of endianness, and then the machine.endian() value
865  # should be checked. Since we support versions < 0.48 we need to use
866  # startswith.
867  if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
868    if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
869      error('Altivec is not supported with gcc version < 4.8.')
870    endif
871    if cc.compiles('''
872        #include <altivec.h>
873        int main() {
874          vector unsigned char r;
875          vector unsigned int v = vec_splat_u32 (1);
876          r = __builtin_vec_vgbbd ((vector unsigned char) v);
877          return 0;
878        }''',
879        args : '-mpower8-vector',
880        name : 'POWER8 intrinsics')
881      pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
882    elif get_option('power8') == 'enabled'
883      error('POWER8 intrinsic support required but not found.')
884    endif
885  endif
886endif
887
888if get_option('vmware-mks-stats')
889  if not with_gallium_svga
890    error('vmware-mks-stats requires gallium VMware/svga driver.')
891  endif
892  pre_args += '-DVMX86_STATS=1'
893endif
894
895_opencl = get_option('gallium-opencl')
896if _opencl != 'disabled'
897  if not with_gallium
898    error('OpenCL Clover implementation requires at least one gallium driver.')
899  endif
900
901  with_libclc = true
902  with_gallium_opencl = true
903  with_opencl_icd = _opencl == 'icd'
904else
905  with_gallium_opencl = false
906  with_opencl_icd = false
907endif
908
909dep_clc = null_dep
910if with_libclc
911  dep_clc = dependency('libclc')
912endif
913
914gl_pkgconfig_c_flags = []
915if with_platform_x11
916  if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
917    pre_args += '-DHAVE_X11_PLATFORM'
918    pre_args += '-DHAVE_XCB_PLATFORM'
919  endif
920  if with_glx == 'xlib' or with_glx == 'gallium-xlib'
921    pre_args += '-DUSE_XSHM'
922  else
923    pre_args += '-DGLX_INDIRECT_RENDERING'
924    if with_glx_direct
925      pre_args += '-DGLX_DIRECT_RENDERING'
926    endif
927    if with_dri_platform == 'drm'
928      pre_args += '-DGLX_USE_DRM'
929    elif with_dri_platform == 'apple'
930      pre_args += '-DGLX_USE_APPLEGL'
931    elif with_dri_platform == 'windows'
932      pre_args += '-DGLX_USE_WINDOWSGL'
933    endif
934  endif
935else
936  pre_args += '-DEGL_NO_X11'
937  gl_pkgconfig_c_flags += '-DEGL_NO_X11'
938endif
939if with_gbm and not with_platform_android
940  pre_args += '-DHAVE_DRM_PLATFORM'
941endif
942if with_platform_windows
943  pre_args += '-DHAVE_WINDOWS_PLATFORM'
944endif
945
946with_android_stub = get_option('android-stub')
947if with_android_stub and not with_platform_android
948  error('`-D android-stub=true` makes no sense without `-D platforms=android`')
949endif
950
951if with_platform_android
952  dep_android_mapper4 = null_dep
953  if not with_android_stub
954    dep_android = [
955      dependency('cutils'),
956      dependency('hardware'),
957      dependency('sync'),
958      dependency('backtrace')
959    ]
960    if get_option('platform-sdk-version') >= 26
961      dep_android += dependency('nativewindow')
962    endif
963    if get_option('platform-sdk-version') >= 30
964      dep_android_mapper4 = dependency('android.hardware.graphics.mapper', version : '>= 4.0', required : false)
965    endif
966  endif
967  pre_args += [
968    '-DHAVE_ANDROID_PLATFORM',
969    '-DANDROID',
970    '-DANDROID_API_LEVEL=' + get_option('platform-sdk-version').to_string()
971  ]
972endif
973if with_platform_haiku
974  pre_args += '-DHAVE_HAIKU_PLATFORM'
975endif
976
977prog_python = import('python').find_installation('python3')
978has_mako = run_command(
979  prog_python, '-c',
980  '''
981from distutils.version import StrictVersion
982import mako
983assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
984  ''')
985if has_mako.returncode() != 0
986  error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
987endif
988
989if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
990  error('When using GCC, version 4.4.6 or later is required.')
991endif
992
993# Support systems without ETIME (e.g. FreeBSD)
994if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
995  pre_args += '-DETIME=ETIMEDOUT'
996endif
997
998# Define DEBUG for debug builds only (debugoptimized is not included on this one)
999if get_option('buildtype') == 'debug'
1000  pre_args += '-DDEBUG'
1001endif
1002
1003with_shader_cache = false
1004_shader_cache = get_option('shader-cache')
1005if _shader_cache == 'true'
1006  _shader_cache = 'enabled'
1007  warning('shader_cache option "true" deprecated, please use "enabled" instead.')
1008elif _shader_cache == 'false'
1009  _shader_cache = 'disabled'
1010  warning('shader_cache option "false" deprecated, please use "disabled" instead.')
1011endif
1012if _shader_cache != 'disabled'
1013  if host_machine.system() == 'windows'
1014    if _shader_cache == 'enabled'
1015      error('Shader Cache does not currently work on Windows')
1016    endif
1017  else
1018    pre_args += '-DENABLE_SHADER_CACHE'
1019    if not get_option('shader-cache-default')
1020      pre_args += '-DSHADER_CACHE_DISABLE_BY_DEFAULT'
1021    endif
1022    with_shader_cache = true
1023  endif
1024endif
1025
1026if with_shader_cache
1027  shader_cache_max_size = get_option('shader-cache-max-size')
1028  if shader_cache_max_size != ''
1029    pre_args += '-DMESA_GLSL_CACHE_MAX_SIZE="@0@"'.format(shader_cache_max_size)
1030  endif
1031endif
1032
1033# Check for GCC style builtins
1034foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
1035             'ffsll', 'popcount', 'popcountll', 'unreachable', 'types_compatible_p']
1036  if cc.has_function(b)
1037    pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
1038  endif
1039endforeach
1040
1041# check for GCC __attribute__
1042_attributes = [
1043  'const', 'flatten', 'malloc', 'pure', 'unused', 'warn_unused_result',
1044  'weak', 'format', 'packed', 'returns_nonnull', 'alias', 'noreturn',
1045]
1046foreach a : cc.get_supported_function_attributes(_attributes)
1047  pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
1048endforeach
1049if cc.has_function_attribute('visibility:hidden')
1050  pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
1051endif
1052if cc.compiles('__uint128_t foo(void) { return 0; }',
1053               name : '__uint128_t')
1054  pre_args += '-DHAVE_UINT128'
1055endif
1056
1057# TODO: this is very incomplete
1058if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd', 'haiku'].contains(host_machine.system())
1059  pre_args += '-D_GNU_SOURCE'
1060elif host_machine.system() == 'sunos'
1061  pre_args += '-D__EXTENSIONS__'
1062elif host_machine.system() == 'windows'
1063  pre_args += [
1064    '-D_WINDOWS', '-D_WIN32_WINNT=0x0A00', '-DWINVER=0x0A00',
1065    '-DPIPE_SUBSYSTEM_WINDOWS_USER',
1066    '-D_USE_MATH_DEFINES',  # XXX: scons didn't use this for mingw
1067  ]
1068  if cc.get_id() == 'msvc'
1069    pre_args += [
1070      '-DVC_EXTRALEAN',
1071      '-D_CRT_SECURE_NO_WARNINGS',
1072      '-D_CRT_SECURE_NO_DEPRECATE',
1073      '-D_SCL_SECURE_NO_WARNINGS',
1074      '-D_SCL_SECURE_NO_DEPRECATE',
1075      '-D_ALLOW_KEYWORD_MACROS',
1076      '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
1077      '-DNOMINMAX',
1078    ]
1079  else
1080    pre_args += ['-D__MSVCRT_VERSION__=0x0700']
1081  endif
1082elif host_machine.system() == 'openbsd'
1083  pre_args += '-D_ISOC11_SOURCE'
1084endif
1085
1086# Check for generic C arguments
1087c_msvc_compat_args = []
1088no_override_init_args = []
1089cpp_msvc_compat_args = []
1090if cc.get_id() == 'msvc'
1091  foreach a : ['/wd4018',  # signed/unsigned mismatch
1092               '/wd4056',  # overflow in floating-point constant arithmetic
1093               '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
1094               '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
1095               '/wd4305',  # trancation from 'type1' to 'type2'
1096               '/wd4351',  # new behavior: elements of array 'array' will be default initialized
1097               '/wd4756',  # overflow in constant arithmetic
1098               '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
1099               '/wd4996',  # disabled deprecated POSIX name warnings
1100               '/wd4291',  # no matching operator delete found
1101               '/wd4146',  # unary minus operator applied to unsigned type, result still unsigned
1102               '/wd4200',  # nonstandard extension used: zero-sized array in struct/union
1103               '/wd4624',  # destructor was implicitly defined as deleted [from LLVM]
1104               '/wd4309',  # 'initializing': truncation of constant value
1105               '/wd4838',  # conversion from 'int' to 'const char' requires a narrowing conversion
1106               '/wd5105',  # macro expansion producing 'defined' has undefined behavior (winbase.h, need Windows SDK upgrade)
1107               '/we4020',  # Error when passing the wrong number of parameters
1108               '/we4024',  # Error when passing different type of parameter
1109               '/Zc:__cplusplus', #Set __cplusplus macro to match the /std:c++<version> on the command line
1110              ]
1111    if cc.has_argument(a)
1112      c_args += a
1113    endif
1114    if cpp.has_argument(a)
1115      cpp_args += a
1116    endif
1117  endforeach
1118else
1119  _trial = [
1120    '-Werror=implicit-function-declaration',
1121    '-Werror=missing-prototypes',
1122    '-Werror=return-type',
1123    '-Werror=empty-body',
1124    '-Werror=incompatible-pointer-types',
1125    '-Werror=int-conversion',
1126    '-Wimplicit-fallthrough',
1127    '-Wno-missing-field-initializers',
1128    '-Wno-format-truncation',
1129    '-fno-math-errno',
1130    '-fno-trapping-math',
1131    '-Qunused-arguments',
1132    '-fno-common',
1133  ]
1134  # MinGW chokes on format specifiers and I can't get it all working
1135  if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
1136    _trial += ['-Werror=format', '-Wformat-security']
1137  endif
1138  # FreeBSD annotated <pthread.h> but Mesa isn't ready
1139  if not (cc.get_id() == 'clang' and host_machine.system() == 'freebsd')
1140    _trial += ['-Werror=thread-safety']
1141  endif
1142  foreach a : _trial
1143    if cc.has_argument(a)
1144      c_args += a
1145    endif
1146  endforeach
1147
1148  _trial = [
1149    '-Werror=return-type',
1150    '-Werror=empty-body',
1151    '-Wno-non-virtual-dtor',
1152    '-Wno-missing-field-initializers',
1153    '-Wno-format-truncation',
1154    '-fno-math-errno',
1155    '-fno-trapping-math',
1156    '-Qunused-arguments',
1157    # Some classes use custom new operator which zeroes memory, however
1158    # gcc does aggressive dead-store elimination which threats all writes
1159    # to the memory before the constructor as "dead stores".
1160    # For now we disable this optimization.
1161    '-flifetime-dse=1',
1162  ]
1163  # MinGW chokes on format specifiers and I can't get it all working
1164  if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
1165    _trial += ['-Werror=format', '-Wformat-security']
1166  endif
1167  foreach a : _trial
1168    if cpp.has_argument(a)
1169      cpp_args += a
1170    endif
1171  endforeach
1172
1173  foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
1174    if cc.has_argument(a)
1175      no_override_init_args += a
1176    endif
1177  endforeach
1178
1179  # Check for C and C++ arguments for MSVC compatibility. These are only used
1180  # in parts of the mesa code base that need to compile with MSVC, mainly
1181  # common code
1182  foreach a : ['-Werror=pointer-arith', '-Werror=gnu-empty-initializer']
1183    if cc.has_argument(a)
1184      c_msvc_compat_args += a
1185    endif
1186    if cpp.has_argument(a)
1187      cpp_msvc_compat_args += a
1188    endif
1189  endforeach
1190
1191  if cc.has_argument('-Wmicrosoft-enum-value')  # Clang
1192    c_args += '-Wno-microsoft-enum-value'
1193    cpp_args += '-Wno-microsoft-enum-value'
1194  endif
1195endif
1196
1197# set linker arguments
1198if host_machine.system() == 'windows'
1199  if cc.get_id() == 'msvc'
1200    add_project_link_arguments(
1201      '/fixed:no',
1202      '/dynamicbase',
1203      '/nxcompat',
1204      language : ['c', 'cpp'],
1205    )
1206    if get_option('buildtype') != 'debug'
1207      add_project_link_arguments(
1208        '/incremental:no',
1209        language : ['c', 'cpp'],
1210      )
1211    endif
1212  else
1213    add_project_link_arguments(
1214      cc.get_supported_link_arguments(
1215        '-Wl,--nxcompat',
1216        '-Wl,--dynamicbase',
1217        '-static-libgcc',
1218        '-static-libstdc++',
1219      ),
1220      language : ['c'],
1221    )
1222    add_project_link_arguments(
1223      cpp.get_supported_link_arguments(
1224        '-Wl,--nxcompat',
1225        '-Wl,--dynamicbase',
1226        '-static-libgcc',
1227        '-static-libstdc++',
1228      ),
1229      language : ['cpp'],
1230    )
1231  endif
1232endif
1233
1234if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1235  pre_args += '-DUSE_SSE41'
1236  with_sse41 = true
1237  sse41_args = ['-msse4.1']
1238
1239  if host_machine.cpu_family() == 'x86'
1240    if get_option('sse2')
1241      # These settings make generated GCC code match MSVC and follow
1242      # GCC advice on https://gcc.gnu.org/wiki/FloatingPointMath#x86note
1243      #
1244      # NOTE: We need to ensure stack is realigned given that we
1245      # produce shared objects, and have no control over the stack
1246      # alignment policy of the application. Therefore we need
1247      # -mstackrealign or -mincoming-stack-boundary=2.
1248      #
1249      # XXX: We could have SSE without -mstackrealign if we always used
1250      # __attribute__((force_align_arg_pointer)), but that's not
1251      # always the case.
1252      c_args += ['-msse2', '-mfpmath=sse', '-mstackrealign']
1253    else
1254      # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1255      # that's not guaranteed
1256      sse41_args += '-mstackrealign'
1257    endif
1258  endif
1259else
1260  with_sse41 = false
1261  sse41_args = []
1262endif
1263
1264# Check for GCC style atomics
1265dep_atomic = null_dep
1266
1267if cc.compiles('''#include <stdint.h>
1268                  int main() {
1269                    struct {
1270                      uint64_t *v;
1271                    } x;
1272                    return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1273                           (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1274
1275                  }''',
1276               name : 'GCC atomic builtins')
1277  pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1278
1279  # Not all atomic calls can be turned into lock-free instructions, in which
1280  # GCC will make calls into the libatomic library. Check whether we need to
1281  # link with -latomic.
1282  #
1283  # This can happen for 64-bit atomic operations on 32-bit architectures such
1284  # as ARM.
1285  if not cc.links('''#include <stdint.h>
1286                     int main() {
1287                       struct {
1288                         uint64_t *v;
1289                       } x;
1290                       return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1291                              (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1292                     }''',
1293                  name : 'GCC atomic builtins required -latomic')
1294    dep_atomic = cc.find_library('atomic')
1295  endif
1296endif
1297if not cc.links('''#include <stdint.h>
1298                   uint64_t v;
1299                   int main() {
1300                     return __sync_add_and_fetch(&v, (uint64_t)1);
1301                   }''',
1302                dependencies : dep_atomic,
1303                name : 'GCC 64bit atomics')
1304  pre_args += '-DMISSING_64BIT_ATOMICS'
1305endif
1306
1307dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1308
1309# TODO: shared/static? Is this even worth doing?
1310
1311with_asm_arch = ''
1312if host_machine.cpu_family() == 'x86'
1313  if system_has_kms_drm or host_machine.system() == 'gnu'
1314    with_asm_arch = 'x86'
1315    pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1316                 '-DUSE_SSE_ASM']
1317
1318    if with_glx_read_only_text
1319      pre_args += ['-DGLX_X86_READONLY_TEXT']
1320    endif
1321  endif
1322elif host_machine.cpu_family() == 'x86_64'
1323  if system_has_kms_drm
1324    with_asm_arch = 'x86_64'
1325    pre_args += ['-DUSE_X86_64_ASM']
1326  endif
1327elif host_machine.cpu_family() == 'arm'
1328  if system_has_kms_drm
1329    with_asm_arch = 'arm'
1330    pre_args += ['-DUSE_ARM_ASM']
1331  endif
1332elif host_machine.cpu_family() == 'aarch64'
1333  if system_has_kms_drm
1334    with_asm_arch = 'aarch64'
1335    pre_args += ['-DUSE_AARCH64_ASM']
1336  endif
1337elif host_machine.cpu_family() == 'sparc64'
1338  if system_has_kms_drm
1339    with_asm_arch = 'sparc'
1340    pre_args += ['-DUSE_SPARC_ASM']
1341  endif
1342elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1343  if system_has_kms_drm
1344    with_asm_arch = 'ppc64le'
1345    pre_args += ['-DUSE_PPC64LE_ASM']
1346  endif
1347elif host_machine.cpu_family() == 'mips64' and host_machine.endian() == 'little'
1348  if system_has_kms_drm
1349    with_asm_arch = 'mips64el'
1350    pre_args += ['-DUSE_MIPS64EL_ASM']
1351  endif
1352endif
1353
1354# Check for standard headers and functions
1355if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1356  cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1357  cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1358  pre_args += '-DMAJOR_IN_SYSMACROS'
1359endif
1360if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1361  cc.has_header_symbol('sys/mkdev.h', 'minor') and
1362  cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1363  pre_args += '-DMAJOR_IN_MKDEV'
1364endif
1365
1366if cc.check_header('sched.h')
1367  pre_args += '-DHAS_SCHED_H'
1368  if cc.has_function('sched_getaffinity')
1369    pre_args += '-DHAS_SCHED_GETAFFINITY'
1370  endif
1371endif
1372
1373if not ['linux'].contains(host_machine.system())
1374  # Deprecated on Linux and requires <sys/types.h> on FreeBSD and OpenBSD
1375  if cc.check_header('sys/sysctl.h', prefix : '#include <sys/types.h>')
1376    pre_args += '-DHAVE_SYS_SYSCTL_H'
1377  endif
1378endif
1379
1380foreach h : ['xlocale.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'sys/shm.h', 'cet.h', 'pthread_np.h']
1381  if cc.check_header(h)
1382    pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1383  endif
1384endforeach
1385
1386foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r',
1387             'flock', 'strtok_r', 'getrandom', 'qsort_r', 'qsort_s']
1388  if cc.has_function(f)
1389    pre_args += '-DHAVE_@0@'.format(f.to_upper())
1390  endif
1391endforeach
1392
1393if cc.has_header_symbol('errno.h', 'program_invocation_name',
1394                        args : '-D_GNU_SOURCE')
1395   pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1396elif with_tools.contains('intel')
1397  error('Intel tools require the program_invocation_name variable')
1398endif
1399
1400# MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1401# This means that this check will succeed, but then compilation will later
1402# fail. MSVC doesn't have this function at all, so only check for it on
1403# non-windows platforms.
1404if host_machine.system() != 'windows'
1405  if cc.has_function('posix_memalign')
1406    pre_args += '-DHAVE_POSIX_MEMALIGN'
1407  endif
1408endif
1409
1410if cc.has_member('struct dirent', 'd_type', prefix: '''#include <sys/types.h>
1411   #include <dirent.h>''')
1412   pre_args += '-DHAVE_DIRENT_D_TYPE'
1413endif
1414
1415# strtod locale support
1416if cc.links('''
1417    #define _GNU_SOURCE
1418    #include <stdlib.h>
1419    #include <locale.h>
1420    #ifdef HAVE_XLOCALE_H
1421    #include <xlocale.h>
1422    #endif
1423    int main() {
1424      locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1425      const char *s = "1.0";
1426      char *end;
1427      double d = strtod_l(s, end, loc);
1428      float f = strtof_l(s, end, loc);
1429      freelocale(loc);
1430      return 0;
1431    }''',
1432    args : pre_args,
1433    name : 'strtod has locale support')
1434  pre_args += '-DHAVE_STRTOD_L'
1435endif
1436
1437# Check for some linker flags
1438ld_args_bsymbolic = []
1439if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1440  ld_args_bsymbolic += '-Wl,-Bsymbolic'
1441endif
1442ld_args_gc_sections = []
1443if cc.links('static char unused() { return 5; } int main() { return 0; }',
1444            args : '-Wl,--gc-sections', name : 'gc-sections')
1445  ld_args_gc_sections += '-Wl,--gc-sections'
1446endif
1447with_ld_version_script = false
1448if cc.links('int main() { return 0; }',
1449            args : '-Wl,--version-script=@0@'.format(
1450              join_paths(meson.source_root(), 'build-support/conftest.map')),
1451            name : 'version-script')
1452  with_ld_version_script = true
1453endif
1454with_ld_dynamic_list = false
1455if cc.links('int main() { return 0; }',
1456            args : '-Wl,--dynamic-list=@0@'.format(
1457              join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1458            name : 'dynamic-list')
1459  with_ld_dynamic_list = true
1460endif
1461
1462ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1463
1464# check for dl support
1465dep_dl = null_dep
1466if not cc.has_function('dlopen')
1467  dep_dl = cc.find_library('dl', required : host_machine.system() != 'windows')
1468endif
1469if cc.has_function('dladdr', dependencies : dep_dl)
1470  # This is really only required for megadrivers
1471  pre_args += '-DHAVE_DLADDR'
1472endif
1473
1474if cc.has_function('dl_iterate_phdr')
1475  pre_args += '-DHAVE_DL_ITERATE_PHDR'
1476elif with_intel_vk
1477  error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1478elif with_dri_i965 and with_shader_cache
1479  error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1480endif
1481
1482# Determine whether or not the rt library is needed for time functions
1483if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1484  dep_clock = null_dep
1485else
1486  dep_clock = cc.find_library('rt')
1487endif
1488
1489dep_zlib = dependency('zlib', version : '>= 1.2.3',
1490                      fallback : ['zlib', 'zlib_dep'],
1491                      required : get_option('zlib'))
1492if dep_zlib.found()
1493  pre_args += '-DHAVE_ZLIB'
1494endif
1495
1496_zstd = get_option('zstd')
1497if _zstd == 'true'
1498  _zstd = 'enabled'
1499  warning('zstd option "true" deprecated, please use "enabled" instead.')
1500elif _zstd == 'false'
1501  _zstd = 'disabled'
1502  warning('zstd option "false" deprecated, please use "disabled" instead.')
1503endif
1504if _zstd != 'disabled'
1505  dep_zstd = dependency('libzstd', required : _zstd == 'enabled')
1506  if dep_zstd.found()
1507    pre_args += '-DHAVE_ZSTD'
1508  endif
1509else
1510  dep_zstd = null_dep
1511endif
1512
1513with_compression = dep_zlib.found() or dep_zstd.found()
1514if with_compression
1515  pre_args += '-DHAVE_COMPRESSION'
1516elif with_shader_cache
1517  error('Shader Cache requires compression')
1518endif
1519
1520dep_thread = dependency('threads')
1521if dep_thread.found() and host_machine.system() != 'windows'
1522  pre_args += '-DHAVE_PTHREAD'
1523  if host_machine.system() != 'netbsd' and cc.has_function(
1524      'pthread_setaffinity_np',
1525      dependencies : dep_thread,
1526      prefix : '#include <pthread.h>',
1527      args : '-D_GNU_SOURCE')
1528    pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1529  endif
1530endif
1531if host_machine.system() == 'darwin'
1532  dep_expat = meson.get_compiler('c').find_library('expat')
1533elif host_machine.system() != 'windows'
1534  dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'],
1535                         required: not with_platform_android)
1536else
1537  dep_expat = null_dep
1538endif
1539# this only exists on linux so either this is linux and it will be found, or
1540# it's not linux and wont
1541dep_m = cc.find_library('m', required : false)
1542
1543if host_machine.system() == 'windows'
1544  dep_regex = meson.get_compiler('c').find_library('regex', required : false)
1545  if not dep_regex.found()
1546    dep_regex = declare_dependency(compile_args : ['-DNO_REGEX'])
1547  endif
1548else
1549  dep_regex = null_dep
1550endif
1551
1552if with_platform_haiku
1553  dep_network = cc.find_library('network')
1554endif
1555
1556# Check for libdrm. Various drivers have different libdrm version requirements,
1557# but we always want to use the same version for all libdrm modules. That means
1558# even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1559# bar are both on use 2.4.3 for both of them
1560dep_libdrm_amdgpu = null_dep
1561dep_libdrm_radeon = null_dep
1562dep_libdrm_nouveau = null_dep
1563dep_libdrm_intel = null_dep
1564
1565_drm_amdgpu_ver = '2.4.107'
1566_drm_radeon_ver = '2.4.71'
1567_drm_nouveau_ver = '2.4.102'
1568_drm_intel_ver = '2.4.75'
1569_drm_ver = '2.4.81'
1570
1571_libdrm_checks = [
1572  ['intel', with_dri_i915 or with_gallium_i915],
1573  ['amdgpu', (with_amd_vk and not with_platform_windows) or with_gallium_radeonsi],
1574  ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1575              with_gallium_r300 or with_gallium_r600)],
1576  ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1577]
1578
1579# VC4 only needs core libdrm support of this version, not a libdrm_vc4
1580# library.
1581if with_gallium_vc4
1582  _drm_ver = '2.4.89'
1583endif
1584
1585# etnaviv only needs core libdrm
1586if with_gallium_etnaviv
1587  _drm_ver = '2.4.89'
1588endif
1589
1590# Loop over the enables versions and get the highest libdrm requirement for all
1591# active drivers.
1592_drm_blame = ''
1593foreach d : _libdrm_checks
1594  ver = get_variable('_drm_@0@_ver'.format(d[0]))
1595  if d[1] and ver.version_compare('>' + _drm_ver)
1596    _drm_ver = ver
1597    _drm_blame = d[0]
1598  endif
1599endforeach
1600if _drm_blame != ''
1601  message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1602endif
1603
1604# Then get each libdrm module
1605foreach d : _libdrm_checks
1606  if d[1]
1607    set_variable(
1608      'dep_libdrm_' + d[0],
1609      dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1610    )
1611  endif
1612endforeach
1613
1614with_gallium_drisw_kms = false
1615dep_libdrm = dependency(
1616  'libdrm', version : '>=' + _drm_ver,
1617  # GNU/Hurd includes egl_dri2, without drm.
1618  required : (with_dri2 and host_machine.system() != 'gnu') or with_dri3
1619)
1620if dep_libdrm.found()
1621  pre_args += '-DHAVE_LIBDRM'
1622  if with_dri_platform == 'drm' and with_dri
1623    with_gallium_drisw_kms = true
1624  endif
1625endif
1626
1627llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
1628llvm_optional_modules = ['coroutines']
1629if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1630  llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1631  if with_gallium_r600
1632    llvm_modules += 'asmparser'
1633  endif
1634endif
1635if with_gallium_opencl
1636  llvm_modules += [
1637    'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1638    'lto', 'option', 'objcarcopts', 'profiledata'
1639  ]
1640  llvm_optional_modules += ['frontendopenmp']
1641endif
1642if with_clc
1643  llvm_modules += ['coverage', 'target', 'linker', 'irreader', 'option', 'libdriver', 'lto']
1644endif
1645if with_tests or with_gallium_softpipe
1646  llvm_modules += 'native'
1647endif
1648
1649if with_amd_vk or with_gallium_radeonsi
1650  _llvm_version = '>= 11.0.0'
1651elif with_clc
1652  _llvm_version = '>= 10.0.0'
1653elif with_gallium_opencl
1654  _llvm_version = '>= 8.0.0'
1655elif with_gallium_swr
1656  _llvm_version = '>= 6.0.0'
1657else
1658  _llvm_version = '>= 3.9.0'
1659endif
1660
1661_shared_llvm = get_option('shared-llvm')
1662if _shared_llvm == 'true'
1663  _shared_llvm = 'enabled'
1664  warning('shared_llvm option "true" deprecated, please use "enabled" instead.')
1665elif _shared_llvm == 'false'
1666  _shared_llvm = 'disabled'
1667  warning('shared_llvm option "false" deprecated, please use "disabled" instead.')
1668endif
1669if _shared_llvm == 'auto'
1670  _shared_llvm = (host_machine.system() != 'windows')
1671else
1672  _shared_llvm = (_shared_llvm == 'enabled')
1673endif
1674_llvm = get_option('llvm')
1675if _llvm == 'true'
1676  _llvm = 'enabled'
1677  warning('llvm option "true" deprecated, please use "enabled" instead.')
1678elif _llvm == 'false'
1679  _llvm = 'disabled'
1680  warning('llvm option "false" deprecated, please use "disabled" instead.')
1681endif
1682
1683# the cmake method can only link statically, so don't attempt to use it if we
1684# want to link dynamically. Before 0.54.0 meson will try cmake even when shared
1685# linking is requested, so we need to force the config-tool method to be used
1686# in that case, but in 0.54.0 meson won't try the cmake method if shared
1687# linking is requested.
1688_llvm_method = 'auto'
1689if meson.version().version_compare('< 0.54.0') and _shared_llvm
1690  _llvm_method = 'config-tool'
1691endif
1692
1693dep_llvm = null_dep
1694with_llvm = false
1695draw_with_llvm = get_option('draw-use-llvm')
1696if _llvm != 'disabled'
1697  dep_llvm = dependency(
1698    'llvm',
1699    version : _llvm_version,
1700    modules : llvm_modules,
1701    optional_modules : llvm_optional_modules,
1702    required : (
1703      with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1704      with_gallium_opencl or with_clc or _llvm == 'enabled'
1705    ),
1706    static : not _shared_llvm,
1707    method : _llvm_method,
1708    fallback : ['llvm', 'dep_llvm'],
1709    include_type : 'system',
1710  )
1711  with_llvm = dep_llvm.found()
1712endif
1713if with_llvm
1714  pre_args += '-DLLVM_AVAILABLE'
1715  pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1716  pre_args += '-DLLVM_IS_SHARED=@0@'.format(_shared_llvm.to_int())
1717
1718  if draw_with_llvm
1719    pre_args += '-DDRAW_LLVM_AVAILABLE'
1720  elif with_swrast_vk
1721    error('Lavapipe requires LLVM draw support.')
1722  elif with_gallium_swr
1723    error('SWR requires LLVM draw support.')
1724  endif
1725
1726  # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1727  # programs, so we need to build all C++ code in mesa without rtti as well to
1728  # ensure that linking works.
1729  #
1730  # In meson 0.51.0 we can use cmake to find LLVM in addittion to meson's
1731  # builtin llvm-config based finder. A new generic variable getter method
1732  # has also been added, so we'll use that if we can, to cover the cmake case.
1733  if dep_llvm.type_name() == 'internal'
1734    _rtti = subproject('llvm').get_variable('has_rtti', true)
1735  else
1736    # The CMake finder will return 'ON', the llvm-config will return 'YES'
1737    _rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1738  endif
1739  if not _rtti
1740    if with_gallium_opencl
1741      error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1742    endif
1743    if cc.get_id() == 'msvc'
1744      cpp_args += '/GR-'
1745    else
1746      cpp_args += '-fno-rtti'
1747    endif
1748  endif
1749
1750  if cc.get_id() == 'msvc'
1751    # Suppress "/DELAYLOAD:ole32.dll/shell32.dll ignored" warnings that LLVM adds
1752    add_project_link_arguments(
1753      '/ignore:4199',
1754      language : ['c', 'cpp'],
1755    )
1756  endif
1757elif with_amd_vk and with_aco_tests
1758  error('ACO tests require LLVM, but LLVM is disabled.')
1759elif with_gallium_radeonsi or with_gallium_swr or with_swrast_vk
1760  error('The following drivers require LLVM: RadeonSI, SWR, Lavapipe. One of these is enabled, but LLVM is disabled.')
1761elif with_gallium_opencl
1762  error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1763elif with_clc
1764  error('The CLC compiler requires LLVM, but LLVM is disabled.')
1765else
1766  draw_with_llvm = false
1767endif
1768
1769with_opencl_spirv = (_opencl != 'disabled' and get_option('opencl-spirv')) or with_clc
1770if with_opencl_spirv
1771  chosen_llvm_version_array = dep_llvm.version().split('.')
1772  chosen_llvm_version_major = chosen_llvm_version_array[0].to_int()
1773  chosen_llvm_version_minor = chosen_llvm_version_array[1].to_int()
1774
1775  # Require an SPIRV-LLVM-Translator version compatible with the chosen LLVM
1776  # one.
1777  _llvmspirvlib_version = [
1778    # This first version check is still needed as maybe LLVM 8.0 was picked but
1779    # we do not want to accept SPIRV-LLVM-Translator 8.0.0.1 as that version does
1780    # not have the required API and those are only available starting from
1781    # 8.0.1.3.
1782    '>= 8.0.1.3',
1783    '>= @0@.@1@'.format(chosen_llvm_version_major, chosen_llvm_version_minor),
1784    '< @0@.@1@'.format(chosen_llvm_version_major, chosen_llvm_version_minor + 1) ]
1785
1786  dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
1787  # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
1788  dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : _llvmspirvlib_version)
1789else
1790  dep_spirv_tools = null_dep
1791  dep_llvmspirvlib = null_dep
1792endif
1793
1794dep_clang = null_dep
1795if with_clc
1796  llvm_libdir = dep_llvm.get_variable(cmake : 'LLVM_LIBRARY_DIR', configtool: 'libdir')
1797
1798  clang_modules = [
1799    'clangBasic', 'clangAST', 'clangCodeGen', 'clangLex',
1800    'clangDriver', 'clangFrontend', 'clangFrontendTool',
1801    'clangHandleCXX', 'clangHandleLLVM', 'clangSerialization',
1802    'clangSema', 'clangParse', 'clangEdit', 'clangAnalysis'
1803  ]
1804
1805  dep_clang = []
1806  foreach m : clang_modules
1807    dep_clang += cpp.find_library(m, dirs : llvm_libdir, required : true)
1808  endforeach
1809endif
1810
1811# Be explicit about only using this lib on Windows, to avoid picking
1812# up random libs with the generic name 'libversion'
1813dep_version = null_dep
1814if with_opencl_spirv and host_machine.system() == 'windows'
1815  dep_version = cpp.find_library('version')
1816endif
1817
1818with_opencl_native = _opencl != 'disabled' and get_option('opencl-native')
1819
1820if (with_amd_vk or with_gallium_radeonsi or
1821    (with_gallium_opencl and with_opencl_native) or
1822    (with_gallium_r600 and with_llvm))
1823  if with_platform_windows
1824    dep_elf = dependency('libelf', required : false, fallback : ['libelf', 'libelf_dep'])
1825  else
1826    dep_elf = dependency('libelf', required : false)
1827  endif
1828  if not dep_elf.found()
1829    dep_elf = cc.find_library('elf')
1830  endif
1831else
1832  dep_elf = null_dep
1833endif
1834
1835dep_glvnd = null_dep
1836if with_glvnd
1837  dep_glvnd = dependency('libglvnd', version : '>= 1.3.2')
1838  pre_args += '-DUSE_LIBGLVND=1'
1839endif
1840
1841_valgrind = get_option('valgrind')
1842if _valgrind == 'true'
1843  _valgrind = 'enabled'
1844  warning('valgrind option "true" deprecated, please use "enabled" instead.')
1845elif _valgrind == 'false'
1846  _valgrind = 'disabled'
1847  warning('valgrind option "false" deprecated, please use "disabled" instead.')
1848endif
1849if _valgrind != 'disabled'
1850  dep_valgrind = dependency('valgrind', required : _valgrind == 'enabled')
1851  if dep_valgrind.found()
1852    pre_args += '-DHAVE_VALGRIND'
1853  endif
1854else
1855  dep_valgrind = null_dep
1856endif
1857
1858# AddressSanitizer's leak reports need all the symbols to be present at exit to
1859# decode well, which runs afoul of our dlopen()/dlclose()ing of the DRI drivers.
1860# Set a flag so we can skip the dlclose for asan builds.
1861if ['address', 'address,undefined'].contains(get_option('b_sanitize'))
1862  asan_c_args = ['-DBUILT_WITH_ASAN=1']
1863else
1864  asan_c_args = ['-DBUILT_WITH_ASAN=0']
1865endif
1866
1867yacc_is_bison = true
1868
1869if build_machine.system() == 'windows'
1870  # Prefer the winflexbison versions, they're much easier to install and have
1871  # better windows support.
1872
1873  prog_flex = find_program('win_flex', required : false)
1874  if prog_flex.found()
1875    # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1876    # _fileno functions)
1877    prog_flex = [prog_flex, '--wincompat']
1878    if get_option('c_std') == 'c99'
1879      prog_flex += '-D__STDC_VERSION__=199901'
1880    endif
1881  else
1882    prog_flex = [find_program('flex', 'lex', required : with_any_opengl)]
1883  endif
1884  # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1885  # __STDC__ macro to determine whether it's safe to use const keyword, but
1886  # MSVC only defines __STDC_VERSION__ for C11/C17.
1887  prog_flex += '-DYY_USE_CONST='
1888
1889  prog_flex_cpp = prog_flex
1890  if get_option('c_std') != 'c99'
1891    # Convince win_flex to use <inttypes.h> for C++ files
1892    prog_flex_cpp += '-D__STDC_VERSION__=199901'
1893  endif
1894
1895  prog_bison = find_program('win_bison', required : false)
1896  if not prog_bison.found()
1897    prog_bison = find_program('bison', 'yacc', required : with_any_opengl)
1898  endif
1899else
1900  prog_bison = find_program('bison', required : false)
1901
1902  if not prog_bison.found()
1903    prog_bison = find_program('byacc', required : with_any_opengl)
1904    yacc_is_bison = false
1905  endif
1906
1907  # Disable deprecated keyword warnings, since we have to use them for
1908  # old-bison compat.  See discussion in
1909  # https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2161
1910  if find_program('bison', required : false, version : '> 2.3').found()
1911    prog_bison = [prog_bison, '-Wno-deprecated']
1912  endif
1913
1914  prog_flex = find_program('flex', required : with_any_opengl)
1915  prog_flex_cpp = prog_flex
1916endif
1917
1918dep_selinux = null_dep
1919if get_option('selinux')
1920  if get_option('execmem') != true
1921    warning('execmem option is disabled, selinux will not be able to use execmem.')
1922  endif
1923  dep_selinux = dependency('libselinux')
1924  pre_args += '-DMESA_SELINUX'
1925endif
1926
1927if get_option('execmem')
1928  pre_args += '-DMESA_EXECMEM'
1929endif
1930
1931_libunwind = get_option('libunwind')
1932if _libunwind == 'true'
1933  _libunwind = 'enabled'
1934  warning('libunwind option "true" deprecated, please use "enabled" instead.')
1935elif _libunwind == 'false'
1936  _libunwind = 'disabled'
1937  warning('libunwind option "false" deprecated, please use "disabled" instead.')
1938endif
1939if _libunwind != 'disabled' and not with_platform_android
1940  if host_machine.system() == 'darwin'
1941    dep_unwind = meson.get_compiler('c').find_library('System')
1942  else
1943    dep_unwind = dependency('libunwind', required : _libunwind == 'enabled')
1944  endif
1945  if dep_unwind.found()
1946    pre_args += '-DHAVE_LIBUNWIND'
1947  endif
1948else
1949  dep_unwind = null_dep
1950endif
1951
1952if with_osmesa
1953  if not with_gallium_softpipe
1954    error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1955  endif
1956  if host_machine.system() == 'windows'
1957    osmesa_lib_name = 'osmesa'
1958  else
1959    osmesa_lib_name = 'OSMesa'
1960  endif
1961  osmesa_bits = get_option('osmesa-bits')
1962  if osmesa_bits != '8'
1963    if with_dri or with_glx != 'disabled'
1964      error('OSMesa bits must be 8 if building glx or dri based drivers')
1965    endif
1966    osmesa_lib_name = osmesa_lib_name + osmesa_bits
1967    pre_args += [
1968      '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1969    ]
1970  endif
1971endif
1972
1973# TODO: symbol mangling
1974
1975if with_platform_wayland
1976  dep_wl_scanner = dependency('wayland-scanner', native: true)
1977  prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1978  if dep_wl_scanner.version().version_compare('>= 1.15')
1979    wl_scanner_arg = 'private-code'
1980  else
1981    wl_scanner_arg = 'code'
1982  endif
1983  dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1984  dep_wayland_client = dependency('wayland-client', version : '>=1.18')
1985  dep_wayland_server = dependency('wayland-server', version : '>=1.18')
1986  if with_egl
1987    dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1988    dep_wayland_egl_headers = dep_wayland_egl.partial_dependency(compile_args : true)
1989  endif
1990  wayland_dmabuf_xml = join_paths(
1991    dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1992    'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1993  )
1994  pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1995endif
1996
1997dep_x11 = null_dep
1998dep_xext = null_dep
1999dep_xfixes = null_dep
2000dep_x11_xcb = null_dep
2001dep_xcb = null_dep
2002dep_xcb_glx = null_dep
2003dep_xcb_dri2 = null_dep
2004dep_xcb_dri3 = null_dep
2005dep_dri2proto = null_dep
2006dep_glproto = null_dep
2007dep_xxf86vm = null_dep
2008dep_xcb_dri3 = null_dep
2009dep_xcb_present = null_dep
2010dep_xcb_sync = null_dep
2011dep_xcb_xfixes = null_dep
2012dep_xshmfence = null_dep
2013dep_xcb_xrandr = null_dep
2014dep_xcb_shm = null_dep
2015dep_xlib_xrandr = null_dep
2016dep_openmp = null_dep
2017
2018# Even if we find OpenMP, Gitlab CI fails to link with gcc/i386 and clang/anyarch.
2019if host_machine.cpu_family() == 'x86_64' and cc.get_id() == 'gcc'
2020  dep_openmp = dependency('openmp', required : false)
2021  if dep_openmp.found()
2022    pre_args += ['-DHAVE_OPENMP']
2023  endif
2024endif
2025
2026if with_platform_x11
2027  if with_glx == 'xlib' or with_glx == 'gallium-xlib'
2028    dep_x11 = dependency('x11')
2029    dep_xext = dependency('xext')
2030    dep_xcb = dependency('xcb')
2031  elif with_glx == 'dri'
2032    dep_x11 = dependency('x11')
2033    dep_xext = dependency('xext')
2034    dep_xfixes = dependency('xfixes', version : '>= 2.0')
2035    dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
2036    dep_xcb_shm = dependency('xcb-shm')
2037  endif
2038  if (with_any_vk or with_glx == 'dri' or with_egl or
2039       (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
2040        with_gallium_omx != 'disabled'))
2041    dep_xcb = dependency('xcb')
2042    dep_x11_xcb = dependency('x11-xcb')
2043    if with_dri_platform == 'drm' and not dep_libdrm.found()
2044      error('libdrm required for gallium video statetrackers when using x11')
2045    endif
2046  endif
2047  if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
2048    dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
2049
2050    if with_dri3
2051      pre_args += '-DHAVE_DRI3'
2052      dep_xcb_dri3 = dependency('xcb-dri3')
2053      dep_xcb_present = dependency('xcb-present')
2054      # until xcb-dri3 has been around long enough to make a hard-dependency:
2055      if (dep_xcb_dri3.version().version_compare('>= 1.13') and
2056          dep_xcb_present.version().version_compare('>= 1.13'))
2057        pre_args += '-DHAVE_DRI3_MODIFIERS'
2058      endif
2059      dep_xcb_shm = dependency('xcb-shm')
2060      dep_xcb_sync = dependency('xcb-sync')
2061      dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
2062    endif
2063  endif
2064  if with_glx == 'dri' or with_glx == 'gallium-xlib'
2065    dep_glproto = dependency('glproto', version : '>= 1.4.14')
2066  endif
2067  if with_glx == 'dri'
2068    if with_dri_platform == 'drm'
2069      dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
2070      if with_glx_direct
2071        dep_xxf86vm = dependency('xxf86vm')
2072      endif
2073    endif
2074  endif
2075  if (with_egl or
2076      with_dri3 or (
2077      with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
2078      with_gallium_omx != 'disabled'))
2079    dep_xcb_xfixes = dependency('xcb-xfixes')
2080  endif
2081  if with_xlib_lease or with_any_vk
2082    dep_xcb_xrandr = dependency('xcb-randr')
2083  endif
2084  if with_xlib_lease
2085    dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
2086  endif
2087endif
2088
2089if get_option('gallium-extra-hud')
2090  pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
2091endif
2092
2093_sensors = get_option('lmsensors')
2094if _sensors == 'true'
2095  _sensors = 'enabled'
2096  warning('lmsensors option "true" deprecated, please use "enabled" instead.')
2097elif _sensors == 'false'
2098  _sensors = 'disabled'
2099  warning('lmsensors option "false" deprecated, please use "disabled" instead.')
2100endif
2101if _sensors != 'disabled'
2102  dep_lmsensors = cc.find_library('sensors', required : _sensors == 'enabled')
2103  if dep_lmsensors.found()
2104    pre_args += '-DHAVE_LIBSENSORS=1'
2105  endif
2106else
2107  dep_lmsensors = null_dep
2108endif
2109
2110_shader_replacement = get_option('custom-shader-replacement')
2111if _shader_replacement == ''
2112else
2113  pre_args += '-DCUSTOM_SHADER_REPLACEMENT'
2114endif
2115
2116with_perfetto = get_option('perfetto')
2117with_datasources = get_option('datasources')
2118with_any_datasource = with_datasources.length() != 0
2119if with_perfetto
2120  dep_perfetto = dependency('perfetto', fallback: ['perfetto', 'dep_perfetto'])
2121  pre_args += '-DHAVE_PERFETTO'
2122endif
2123
2124# If the compiler supports it, put function and data symbols in their
2125# own sections and GC the sections after linking.  This lets drivers
2126# drop shared code unused by that specific driver (particularly
2127# relevant for Vulkan drivers).
2128if cc.has_link_argument('-Wl,--gc-sections')
2129  foreach a: ['-ffunction-sections', '-fdata-sections']
2130    if cc.has_argument(a)
2131      add_project_arguments(a, language : ['c', 'cpp'])
2132    endif
2133  endforeach
2134endif
2135
2136foreach a : pre_args
2137  add_project_arguments(a, language : ['c', 'cpp'])
2138endforeach
2139foreach a : c_args
2140  add_project_arguments(a, language : ['c'])
2141endforeach
2142foreach a : cpp_args
2143  add_project_arguments(a, language : ['cpp'])
2144endforeach
2145
2146gl_priv_reqs = []
2147
2148if with_glx == 'xlib' or with_glx == 'gallium-xlib'
2149  gl_priv_reqs += ['x11', 'xext', 'xcb']
2150elif with_glx == 'dri'
2151  gl_priv_reqs += [
2152    'x11', 'xext', 'xfixes', 'x11-xcb', 'xcb',
2153    'xcb-glx >= 1.8.1']
2154  if with_dri_platform == 'drm'
2155    gl_priv_reqs += 'xcb-dri2 >= 1.8'
2156    if with_glx_direct
2157      gl_priv_reqs += 'xxf86vm'
2158    endif
2159  endif
2160endif
2161if dep_libdrm.found()
2162  gl_priv_reqs += 'libdrm >= 2.4.75'
2163endif
2164
2165gl_priv_libs = []
2166if dep_thread.found()
2167  gl_priv_libs += ['-lpthread', '-pthread']
2168endif
2169if dep_m.found()
2170  gl_priv_libs += '-lm'
2171endif
2172if dep_dl.found()
2173  gl_priv_libs += '-ldl'
2174endif
2175
2176# FIXME: autotools lists this as incomplete
2177gbm_priv_libs = []
2178if dep_dl.found()
2179  gbm_priv_libs += '-ldl'
2180endif
2181
2182pkg = import('pkgconfig')
2183
2184if host_machine.system() == 'windows'
2185  prog_dumpbin = find_program('dumpbin', required : false)
2186  with_symbols_check = prog_dumpbin.found() and with_tests
2187  if with_symbols_check
2188    symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
2189  endif
2190else
2191  prog_nm = find_program('nm')
2192  with_symbols_check = with_tests
2193  symbols_check_args = ['--nm', prog_nm.path()]
2194endif
2195
2196# This quirk needs to be applied to sources with functions defined in assembly
2197# as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
2198gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
2199
2200subdir('include')
2201subdir('bin')
2202subdir('src')
2203
2204# Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
2205# formatting below unless the first argument is passed as a variable. This has
2206# been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
2207# for backwards compatibility.
2208_with_opengl_string = with_opengl ? 'yes' : 'no'
2209
2210lines = ['',
2211  'prefix:          ' + get_option('prefix'),
2212  'libdir:          ' + get_option('libdir'),
2213  'includedir:      ' + get_option('includedir'),
2214  '',
2215  'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
2216                                                    with_gles1 ? 'yes' : 'no',
2217                                                    with_gles2 ? 'yes' : 'no'),
2218]
2219
2220if with_osmesa
2221  lines += ''
2222  lines += 'OSMesa:          lib' + osmesa_lib_name
2223else
2224  lines += 'OSMesa:          no'
2225endif
2226
2227if with_dri
2228  lines += ''
2229  lines += 'DRI platform:    ' + with_dri_platform
2230  if dri_drivers.length() != 0 and dri_drivers != ['']
2231    lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
2232  else
2233    lines += 'DRI drivers:     no'
2234  endif
2235  lines += 'DRI driver dir:  ' + dri_drivers_path
2236endif
2237
2238if with_glx != 'disabled'
2239  lines += ''
2240  if with_glx == 'dri'
2241    lines += 'GLX:             DRI-based'
2242  elif with_glx == 'xlib'
2243    lines += 'GLX:             Xlib-based'
2244  elif with_glx == 'gallium-xlib'
2245    lines += 'GLX:             Xlib-based (Gallium)'
2246  else
2247    lines += 'GLX:             ' + with_glx
2248  endif
2249endif
2250
2251lines += ''
2252lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
2253if with_egl
2254  egl_drivers = []
2255  if with_dri
2256    egl_drivers += 'builtin:egl_dri2'
2257  endif
2258  if with_dri3
2259    egl_drivers += 'builtin:egl_dri3'
2260  endif
2261  if with_platform_windows
2262    egl_drivers += 'builtin:wgl'
2263  endif
2264  lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
2265endif
2266if with_egl or with_any_vk
2267  lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
2268endif
2269lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
2270if with_gbm
2271  lines += 'GBM backends path: ' + gbm_backends_path
2272endif
2273
2274lines += ''
2275if with_any_vk
2276  lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
2277  lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
2278  if with_any_vulkan_layers
2279    lines += 'Vulkan layers:   ' + ' '.join(get_option('vulkan-layers'))
2280  endif
2281else
2282  lines += 'Vulkan drivers:  no'
2283endif
2284
2285lines += ''
2286if with_llvm
2287  lines += 'llvm:            yes'
2288  lines += 'llvm-version:    ' + dep_llvm.version()
2289else
2290  lines += 'llvm:            no'
2291endif
2292
2293lines += ''
2294if with_gallium
2295  lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
2296  gallium_st = ['mesa']
2297  if with_gallium_xa
2298    gallium_st += 'xa'
2299  endif
2300  if with_gallium_xvmc
2301    gallium_st += 'xvmc'
2302  endif
2303  if with_gallium_vdpau
2304    gallium_st += 'vdpau'
2305  endif
2306  if with_gallium_omx != 'disabled'
2307    gallium_st += 'omx' + with_gallium_omx
2308  endif
2309  if with_gallium_va
2310    gallium_st += 'va'
2311  endif
2312  if with_gallium_st_nine
2313    gallium_st += 'nine'
2314  endif
2315  if with_gallium_opencl
2316    gallium_st += 'clover'
2317  endif
2318  lines += 'Gallium st:      ' + ' '.join(gallium_st)
2319else
2320  lines += 'Gallium:         no'
2321endif
2322
2323lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
2324
2325lines += ''
2326lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
2327
2328lines += ''
2329lines += 'Perfetto:        ' + (with_perfetto ? 'yes' : 'no')
2330if with_any_datasource
2331  lines += 'Perfetto ds:     ' + ' '.join(with_datasources)
2332endif
2333
2334
2335indent = '        '
2336summary = indent + ('\n' + indent).join(lines)
2337message('Configuration summary:\n@0@\n'.format(summary))
2338