1 # Copyright © 2017-2019 Intel Corporation
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:
10 # The above copyright notice and this permission notice shall be included in
11 # all copies or substantial portions of the Software.
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
24 version : run_command(
25 [find_program('python', 'python3'), 'bin/meson_get_version.py']
28 meson_version : '>= 0.46',
29 default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++14']
32 cc = meson.get_compiler('c')
33 cpp = meson.get_compiler('cpp')
35 null_dep = dependency('', required : false)
37 if get_option('layout') != 'mirror'
38 error('`mirror` is the only build directory layout supported')
41 # Arguments for the preprocessor, put these in a separate array from the C and
42 # C++ (cpp in meson terminology) arguments since they need to be added to the
43 # default arguments for both C and C++.
45 '-D__STDC_CONSTANT_MACROS',
46 '-D__STDC_FORMAT_MACROS',
47 '-D__STDC_LIMIT_MACROS',
48 '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
49 '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/issues"',
52 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
53 with_tests = get_option('build-tests')
54 with_valgrind = get_option('valgrind')
55 with_libunwind = get_option('libunwind')
56 with_glx_read_only_text = get_option('glx-read-only-text')
57 with_glx_direct = get_option('glx-direct')
58 with_osmesa = get_option('osmesa')
59 with_swr_arches = get_option('swr-arches')
60 with_vulkan_overlay_layer = get_option('vulkan-overlay-layer')
61 with_tools = get_option('tools')
62 if with_tools.contains('all')
77 with_intel_tools = with_tools.contains('intel') or with_tools.contains('intel-ui')
78 with_imgui = with_intel_tools or with_vulkan_overlay_layer
80 dri_drivers_path = get_option('dri-drivers-path')
81 if dri_drivers_path == ''
82 dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
84 dri_search_path = get_option('dri-search-path')
85 if dri_search_path == ''
86 dri_search_path = dri_drivers_path
89 with_gles1 = get_option('gles1')
90 with_gles2 = get_option('gles2')
91 if host_machine.system() == 'windows'
92 if with_gles1 == 'auto'
95 if with_gles2 == 'auto'
99 with_opengl = get_option('opengl')
101 # Default shared glapi off for windows, on elsewhere.
102 _sg = get_option('shared-glapi')
104 with_shared_glapi = host_machine.system() != 'windows'
106 with_shared_glapi = _sg == 'true'
109 # shared-glapi is required if at least two OpenGL APIs are being built
110 if not with_shared_glapi
111 if ((with_gles1 == 'true' and with_gles2 == 'true') or
112 (with_gles1 == 'true' and with_opengl) or
113 (with_gles2 == 'true' and with_opengl))
114 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
120 # We require OpenGL for OpenGL ES
122 if (with_gles1 == 'true' or with_gles2 == 'true') and not with_opengl
123 error('building OpenGL ES without OpenGL is not supported.')
129 with_gles1 = with_gles1 != 'false'
130 with_gles2 = with_gles2 != 'false'
131 with_any_opengl = with_opengl or with_gles1 or with_gles2
132 # Only build shared_glapi if at least one OpenGL API is enabled
133 with_shared_glapi = with_shared_glapi and with_any_opengl
135 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux', 'sunos'].contains(host_machine.system())
137 dri_drivers = get_option('dri-drivers')
138 if dri_drivers.contains('auto')
139 if system_has_kms_drm
141 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
142 dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
143 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
146 error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
147 host_machine.cpu_family()))
149 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
150 # only swrast would make sense here, but gallium swrast is a much better default
153 error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
154 host_machine.system()))
158 with_dri_i915 = dri_drivers.contains('i915')
159 with_dri_i965 = dri_drivers.contains('i965')
160 with_dri_r100 = dri_drivers.contains('r100')
161 with_dri_r200 = dri_drivers.contains('r200')
162 with_dri_nouveau = dri_drivers.contains('nouveau')
163 with_dri_swrast = dri_drivers.contains('swrast')
165 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
167 gallium_drivers = get_option('gallium-drivers')
168 if gallium_drivers.contains('auto')
169 if system_has_kms_drm
171 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
173 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast',
176 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
178 'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
179 'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
182 error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
183 host_machine.cpu_family()))
185 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
186 gallium_drivers = ['swrast']
188 error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
189 host_machine.system()))
192 with_gallium_kmsro = gallium_drivers.contains('kmsro')
193 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
194 with_gallium_r300 = gallium_drivers.contains('r300')
195 with_gallium_r600 = gallium_drivers.contains('r600')
196 with_gallium_nouveau = gallium_drivers.contains('nouveau')
197 with_gallium_freedreno = gallium_drivers.contains('freedreno')
198 with_gallium_softpipe = gallium_drivers.contains('swrast')
199 with_gallium_vc4 = gallium_drivers.contains('vc4')
200 with_gallium_v3d = gallium_drivers.contains('v3d')
201 with_gallium_panfrost = gallium_drivers.contains('panfrost')
202 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
203 with_gallium_tegra = gallium_drivers.contains('tegra')
204 with_gallium_iris = gallium_drivers.contains('iris')
205 with_gallium_i915 = gallium_drivers.contains('i915')
206 with_gallium_svga = gallium_drivers.contains('svga')
207 with_gallium_virgl = gallium_drivers.contains('virgl')
208 with_gallium_swr = gallium_drivers.contains('swr')
209 with_gallium_lima = gallium_drivers.contains('lima')
210 with_gallium_zink = gallium_drivers.contains('zink')
212 if cc.get_id().startswith('intel') and meson.version().version_compare('< 0.49.1')
213 error('Meson does not have sufficient support of ICC before 0.49.1 to compile mesa')
216 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
218 if with_gallium and system_has_kms_drm
219 _glx = get_option('glx')
220 _egl = get_option('egl')
221 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
226 _vulkan_drivers = get_option('vulkan-drivers')
227 if _vulkan_drivers.contains('auto')
228 if system_has_kms_drm
229 if host_machine.cpu_family().startswith('x86')
230 _vulkan_drivers = ['amd', 'intel']
231 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
234 error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
235 host_machine.cpu_family()))
237 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
238 # No vulkan driver supports windows or macOS currently
241 error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
242 host_machine.system()))
246 with_intel_vk = _vulkan_drivers.contains('intel')
247 with_amd_vk = _vulkan_drivers.contains('amd')
248 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
249 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
251 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
252 error('Only one swrast provider can be built')
254 if with_dri_i915 and with_gallium_i915
255 error('Only one i915 provider can be built')
257 if with_gallium_kmsro and not (with_gallium_v3d or with_gallium_vc4 or with_gallium_etnaviv or with_gallium_freedreno or with_gallium_panfrost or with_gallium_lima)
258 error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
260 if with_gallium_tegra and not with_gallium_nouveau
261 error('tegra driver requires nouveau driver')
264 if host_machine.system() == 'darwin'
265 with_dri_platform = 'apple'
266 pre_args += '-DBUILDING_MESA'
267 elif ['windows', 'cygwin'].contains(host_machine.system())
268 with_dri_platform = 'windows'
269 elif system_has_kms_drm
270 with_dri_platform = 'drm'
272 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
273 # assert here that one of those cases has been met.
274 # FIXME: illumos ends up here as well
275 with_dri_platform = 'none'
278 _platforms = get_option('platforms')
279 if _platforms.contains('auto')
280 if system_has_kms_drm
281 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
282 elif ['darwin', 'cygwin'].contains(host_machine.system())
283 _platforms = ['x11', 'surfaceless']
284 elif ['haiku'].contains(host_machine.system())
285 _platforms = ['haiku']
286 elif host_machine.system() == 'windows'
287 _platforms = ['windows']
289 error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
290 host_machine.system()))
294 with_platform_android = _platforms.contains('android')
295 with_platform_x11 = _platforms.contains('x11')
296 with_platform_wayland = _platforms.contains('wayland')
297 with_platform_drm = _platforms.contains('drm')
298 with_platform_haiku = _platforms.contains('haiku')
299 with_platform_surfaceless = _platforms.contains('surfaceless')
300 with_platform_windows = _platforms.contains('windows')
302 with_platforms = false
303 if _platforms.length() != 0 and _platforms != ['']
304 # sanity check that list contains no empty strings
305 if _platforms.contains('')
306 error('Invalid argument list given to -Dplatforms, please fix.')
308 with_platforms = true
309 egl_native_platform = _platforms[0]
312 _xlib_lease = get_option('xlib-lease')
313 if _xlib_lease == 'auto'
314 with_xlib_lease = with_platform_x11 and with_platform_drm
316 with_xlib_lease = _xlib_lease == 'true'
319 with_glx = get_option('glx')
320 if with_glx == 'auto'
323 elif with_platform_haiku
324 with_glx = 'disabled'
325 elif host_machine.system() == 'windows'
326 with_glx = 'disabled'
328 # Even when building just gallium drivers the user probably wants dri
330 elif with_platform_x11 and with_any_opengl and not with_any_vk
331 # The automatic behavior should not be to turn on xlib based glx when
332 # building only vulkan drivers
335 with_glx = 'disabled'
344 if not (with_dri or with_gallium or with_glx != 'disabled')
348 with_any_opengl = false
349 with_shared_glapi = false
352 _gbm = get_option('gbm')
354 with_gbm = system_has_kms_drm and with_dri
356 with_gbm = _gbm == 'true'
358 if with_gbm and not system_has_kms_drm
359 error('GBM only supports DRM/KMS platforms')
362 _egl = get_option('egl')
365 not ['darwin', 'windows'].contains(host_machine.system()) and
366 with_dri and with_shared_glapi and with_platforms
370 error('EGL requires dri')
371 elif not with_shared_glapi
372 error('EGL requires shared-glapi')
373 elif not with_platforms
374 error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
375 elif not ['disabled', 'dri'].contains(with_glx)
376 error('EGL requires dri, but a GLX is being built without dri')
377 elif ['darwin', 'windows'].contains(host_machine.system())
378 error('EGL is not available on Windows or MacOS')
385 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
386 if with_gallium_radeonsi
387 error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
389 if with_gallium_virgl
390 error('Virgl requires the drm, surfaceless or android platform when using EGL')
394 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
395 if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
396 pre_args += '-DUSE_ELF_TLS'
399 if with_glx != 'disabled'
400 if not (with_platform_x11 and with_any_opengl)
401 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
402 elif with_glx == 'gallium-xlib'
404 error('Gallium-xlib based GLX requires at least one gallium driver')
405 elif not with_gallium_softpipe
406 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
408 error('gallium-xlib conflicts with any dri driver')
410 elif with_glx == 'xlib'
412 error('xlib conflicts with any dri driver')
414 elif with_glx == 'dri'
415 if not with_shared_glapi
416 error('dri based GLX requires shared-glapi')
421 with_glvnd = get_option('glvnd')
423 if with_platform_windows
424 error('glvnd cannot be used on Windows')
425 elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
426 error('Cannot build glvnd support for GLX that is not DRI based.')
427 elif with_glx == 'disabled' and not with_egl
428 error('glvnd requires DRI based GLX and/or EGL')
430 if get_option('egl-lib-suffix') != ''
431 error('''EGL lib suffix can't be used with libglvnd''')
435 if with_vulkan_icd_dir == ''
436 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
439 # GNU/Hurd includes egl_dri2, without drm.
440 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
441 host_machine.system() == 'gnu')
442 _dri3 = get_option('dri3')
444 with_dri3 = system_has_kms_drm and with_dri2
446 with_dri3 = _dri3 == 'true'
449 if with_any_vk and (with_platform_x11 and not with_dri3)
450 error('Vulkan drivers require dri3 for X11 support')
453 if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
454 error('building dri drivers require at least one windowing system or classic osmesa')
458 prog_pkgconfig = find_program('pkg-config')
460 _vdpau = get_option('gallium-vdpau')
461 if not system_has_kms_drm
463 error('VDPAU state tracker can only be build on unix-like OSes.')
467 elif not with_platform_x11
469 error('VDPAU state tracker requires X11 support.')
473 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
474 with_gallium_nouveau)
476 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
482 with_gallium_vdpau = false
484 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
486 dep_vdpau = declare_dependency(
487 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
489 with_gallium_vdpau = true
493 if with_gallium_vdpau
494 pre_args += '-DHAVE_ST_VDPAU'
496 vdpau_drivers_path = get_option('vdpau-libs-path')
497 if vdpau_drivers_path == ''
498 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
502 dep_vulkan = dependency('vulkan')
505 _xvmc = get_option('gallium-xvmc')
506 if not system_has_kms_drm
508 error('XVMC state tracker can only be build on unix-like OSes.')
512 elif not with_platform_x11
514 error('XVMC state tracker requires X11 support.')
518 elif not (with_gallium_r600 or with_gallium_nouveau)
520 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
527 with_gallium_xvmc = false
529 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
530 dep_xv = dependency('xv', required : _xvmc == 'true')
531 with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
534 xvmc_drivers_path = get_option('xvmc-libs-path')
535 if xvmc_drivers_path == ''
536 xvmc_drivers_path = get_option('libdir')
539 _omx = get_option('gallium-omx')
540 if not system_has_kms_drm
541 if ['auto', 'disabled'].contains(_omx)
544 error('OMX state tracker can only be built on unix-like OSes.')
546 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
547 if ['auto', 'disabled'].contains(_omx)
550 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
553 with_gallium_omx = _omx
556 if ['auto', 'bellagio'].contains(_omx)
557 dep_omx = dependency(
558 'libomxil-bellagio', required : _omx == 'bellagio'
561 with_gallium_omx = 'bellagio'
564 if ['auto', 'tizonia'].contains(_omx)
565 if with_dri and with_egl
566 dep_omx = dependency(
567 'libtizonia', version : '>= 0.10.0',
568 required : _omx == 'tizonia',
571 dependency('libtizplatform', required : _omx == 'tizonia'),
572 dependency('tizilheaders', required : _omx == 'tizonia'),
574 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
575 with_gallium_omx = 'tizonia'
577 elif _omx == 'tizonia'
578 error('OMX-Tizonia state tracker requires dri and egl')
582 with_gallium_omx = 'disabled'
584 with_gallium_omx = _omx
588 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
589 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
593 omx_drivers_path = get_option('omx-libs-path')
595 if with_gallium_omx != 'disabled'
596 # Figure out where to put the omx driver.
597 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
598 # argument to meson's get_pkgconfig_variable method.
599 if omx_drivers_path == ''
600 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
601 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
602 if _omx_libdir == get_option('libdir')
603 omx_drivers_path = _omx_drivers_dir
606 # This will fail on windows. Does OMX run on windows?
607 _omx_libdir = _omx_libdir.split('/')
608 _omx_drivers_dir = _omx_drivers_dir.split('/')
609 foreach o : _omx_drivers_dir
610 if not _omx_libdir.contains(o)
614 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
619 _va = get_option('gallium-va')
620 if not system_has_kms_drm
622 error('VA state tracker can only be built on unix-like OSes.')
626 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
628 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
633 with_gallium_va = false
636 dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
638 dep_va_headers = declare_dependency(
639 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
641 with_gallium_va = true
645 va_drivers_path = get_option('va-libs-path')
646 if va_drivers_path == ''
647 va_drivers_path = join_paths(get_option('libdir'), 'dri')
650 _xa = get_option('gallium-xa')
651 if not system_has_kms_drm
653 error('XA state tracker can only be built on unix-like OSes.')
657 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
658 or with_gallium_svga)
660 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
665 with_gallium_xa = _xa != 'false'
667 d3d_drivers_path = get_option('d3d-drivers-path')
668 if d3d_drivers_path == ''
669 d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
672 with_gallium_st_nine = get_option('gallium-nine')
673 if with_gallium_st_nine
674 if not with_gallium_softpipe
675 error('The nine state tracker requires gallium softpipe/llvmpipe.')
676 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
677 or with_gallium_r300 or with_gallium_svga or with_gallium_i915
678 or with_gallium_iris)
679 error('The nine state tracker requires at least one non-swrast gallium driver.')
682 error('Using nine with wine requires dri3')
686 if get_option('power8') != 'false'
687 # on old versions of meson the cpu family would return as ppc64le on little
688 # endian power8, this was changed in 0.48 such that the family would always
689 # be ppc64 regardless of endianness, and then the machine.endian() value
690 # should be checked. Since we support versions < 0.48 we need to use
692 if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
693 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
694 error('Altivec is not supported with gcc version < 4.8.')
699 vector unsigned char r;
700 vector unsigned int v = vec_splat_u32 (1);
701 r = __builtin_vec_vgbbd ((vector unsigned char) v);
704 args : '-mpower8-vector',
705 name : 'POWER8 intrinsics')
706 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
707 elif get_option('power8') == 'true'
708 error('POWER8 intrinsic support required but not found.')
713 _opencl = get_option('gallium-opencl')
715 if _opencl != 'disabled'
717 error('OpenCL Clover implementation requires at least one gallium driver.')
720 dep_clc = dependency('libclc')
721 with_gallium_opencl = true
722 with_opencl_icd = _opencl == 'icd'
724 with_opencl_spirv = get_option('opencl-spirv')
726 dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
727 # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
728 dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
730 dep_spirv_tools = null_dep
731 dep_llvmspirvlib = null_dep
734 if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
735 #if !defined(__VEC__) || !defined(__ALTIVEC__)
736 #error "AltiVec not enabled"
739 clover_cpp_std += ['cpp_std=gnu++11']
743 dep_spirv_tools = null_dep
744 dep_llvmspirvlib = null_dep
745 with_gallium_opencl = false
746 with_opencl_icd = false
747 with_opencl_spirv = false
750 gl_pkgconfig_c_flags = []
752 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
753 pre_args += '-DHAVE_X11_PLATFORM'
755 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
756 pre_args += '-DUSE_XSHM'
758 pre_args += '-DGLX_INDIRECT_RENDERING'
760 pre_args += '-DGLX_DIRECT_RENDERING'
762 if with_dri_platform == 'drm'
763 pre_args += '-DGLX_USE_DRM'
764 elif with_dri_platform == 'apple'
765 pre_args += '-DGLX_USE_APPLEGL'
766 elif with_dri_platform == 'windows'
767 pre_args += '-DGLX_USE_WINDOWSGL'
771 pre_args += '-DEGL_NO_X11'
772 gl_pkgconfig_c_flags += '-DEGL_NO_X11'
775 if with_egl and not with_gbm
776 error('EGL drm platform requires gbm')
778 pre_args += '-DHAVE_DRM_PLATFORM'
780 if with_platform_surfaceless
781 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
783 if with_platform_android
785 dependency('cutils'),
786 dependency('hardware'),
789 if get_option('platform-sdk-version') >= 26
790 dep_android += dependency('nativewindow')
792 pre_args += '-DHAVE_ANDROID_PLATFORM'
794 if with_platform_haiku
795 pre_args += '-DHAVE_HAIKU_PLATFORM'
798 if meson.version().version_compare('>=0.50')
799 prog_python = import('python').find_installation('python3')
801 prog_python = import('python3').find_python()
803 has_mako = run_command(
806 from distutils.version import StrictVersion
808 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
810 if has_mako.returncode() != 0
811 error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
814 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
815 error('When using GCC, version 4.4.6 or later is required.')
818 # Support systems without ETIME (e.g. FreeBSD)
819 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
820 pre_args += '-DETIME=ETIMEDOUT'
823 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
824 if get_option('buildtype') == 'debug'
825 pre_args += '-DDEBUG'
828 with_shader_cache = false
829 _shader_cache = get_option('shader-cache')
830 if _shader_cache != 'false'
831 if host_machine.system() == 'windows'
832 if _shader_cache == 'true'
833 error('Shader Cache does not currently work on Windows')
836 pre_args += '-DENABLE_SHADER_CACHE'
837 with_shader_cache = true
840 if with_amd_vk and not with_shader_cache
841 error('Radv requires shader cache support')
844 # Check for GCC style builtins
845 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
846 'ffsll', 'popcount', 'popcountll', 'unreachable']
847 if cc.has_function(b)
848 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
852 # check for GCC __attribute__
853 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
854 'warn_unused_result', 'weak',]
855 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
856 name : '__attribute__((@0@))'.format(a))
857 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
860 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
861 name : '__attribute__((format(...)))')
862 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
864 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
865 name : '__attribute__((packed))')
866 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
868 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
869 name : '__attribute__((returns_nonnull))')
870 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
872 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
873 int foo_hid(void) __attribute__((visibility("hidden")));
874 int foo_int(void) __attribute__((visibility("internal")));
875 int foo_pro(void) __attribute__((visibility("protected")));''',
876 name : '__attribute__((visibility(...)))')
877 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
879 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
880 name : '__attribute__((alias(...)))')
881 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
883 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
884 name : '__attribute__((__noreturn__))')
885 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
887 if cc.compiles('__uint128_t foo(void) { return 0; }',
888 name : '__uint128_t')
889 pre_args += '-DHAVE_UINT128'
892 # TODO: this is very incomplete
893 if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd'].contains(host_machine.system())
894 pre_args += '-D_GNU_SOURCE'
895 elif host_machine.system() == 'sunos'
896 pre_args += '-D__EXTENSIONS__'
897 elif host_machine.system() == 'windows'
899 '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-D_WINVER=0x0601',
900 '-DPIPE_SUBSYSTEM_WINDOWS_USER',
901 '-D_USE_MATH_DEFINES', # XXX: scons doesn't use this for mingw
903 if cc.get_id() == 'msvc'
906 '-D_CRT_SECURE_NO_WARNINGS',
907 '-D_CRT_SECURE_NO_DEPRECATE',
908 '-D_SCL_SECURE_NO_WARNINGS',
909 '-D_SCL_SECURE_NO_DEPRECATE',
910 '-D_ALLOW_KEYWORD_MACROS',
911 '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
914 pre_args += ['-D__MSVCRT_VERSION__=0x0700']
918 # Check for generic C arguments
921 c_msvc_compat_args = []
922 no_override_init_args = []
925 cpp_msvc_compat_args = []
926 if cc.get_id() == 'msvc'
927 foreach a : ['/wd4018', # signed/unsigned mismatch
928 '/wd4056', # overflow in floating-point constant arithmetic
929 '/wd4244', # conversion from 'type1' to 'type2', possible loss of data
930 '/wd4267', # 'var' : conversion from 'size_t' to 'type', possible loss of data
931 '/wd4305', # trancation from 'type1' to 'type2'
932 '/wd4351', # new behavior: elements of array 'array' will be default initialized
933 '/wd4756', # overflow in constant arithmetic
934 '/wd4800', # forcing value to bool 'true' or 'false' (performance warning)
935 '/wd4996', # disabled deprecated POSIX name warnings
936 '/wd4291', # no matching operator delete found
937 '/wd4146', # unary minus operator applied to unsigned type, result still unsigned
938 '/wd4200', # nonstandard extension used: zero-sized array in struct/union
939 '/wd4624', # destructor was implicitly defined as deleted [from LLVM]
941 if cc.has_argument(a)
944 if cpp.has_argument(a)
948 if cc.has_argument('-Wmicrosoft-enum-value') # Clang
949 c_args += '-Wno-microsoft-enum-value'
950 cpp_args += '-Wno-microsoft-enum-value'
954 '-Werror=implicit-function-declaration',
955 '-Werror=missing-prototypes',
956 '-Werror=return-type',
957 '-Werror=empty-body',
958 '-Werror=incompatible-pointer-types',
959 '-Werror=int-conversion',
960 '-Wno-missing-field-initializers',
961 '-Wno-format-truncation',
963 '-fno-trapping-math',
964 '-Qunused-arguments',
967 # MinGW chokes on format specifiers and I can't get it all working
968 if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
969 _trial += ['-Werror=format', '-Wformat-security']
972 if cc.has_argument(a)
978 '-Werror=return-type',
979 '-Werror=empty-body',
980 '-Wno-non-virtual-dtor',
981 '-Wno-missing-field-initializers',
982 '-Wno-format-truncation',
984 '-fno-trapping-math',
985 '-Qunused-arguments',
987 # MinGW chokes on format specifiers and I can't get it all working
988 if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
989 _trial += ['-Werror=format', '-Wformat-security']
992 if cpp.has_argument(a)
997 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
998 if cc.has_argument(a)
999 no_override_init_args += a
1003 if cc.has_argument('-fvisibility=hidden')
1004 c_vis_args += '-fvisibility=hidden'
1007 # Check for C and C++ arguments for MSVC compatibility. These are only used
1008 # in parts of the mesa code base that need to compile with MSVC, mainly
1010 foreach a : ['-Werror=pointer-arith', '-Werror=vla', '-Werror=gnu-empty-initializer']
1011 if cc.has_argument(a)
1012 c_msvc_compat_args += a
1014 if cpp.has_argument(a)
1015 cpp_msvc_compat_args += a
1019 if cpp.has_argument('-fvisibility=hidden')
1020 cpp_vis_args += '-fvisibility=hidden'
1025 # set linker arguments
1026 if host_machine.system() == 'windows'
1027 if cc.get_id() == 'msvc'
1028 add_project_link_arguments(
1033 language : ['c', 'cpp'],
1036 add_project_link_arguments(
1038 '-Wl,--dynamicbase',
1040 '-static-libstdc++',
1041 language : ['c', 'cpp'],
1046 if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1047 pre_args += '-DUSE_SSE41'
1049 sse41_args = ['-msse4.1']
1051 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1052 # that's not guaranteed
1053 if host_machine.cpu_family() == 'x86'
1054 sse41_args += '-mstackrealign'
1061 # Check for GCC style atomics
1062 dep_atomic = null_dep
1064 if cc.compiles('''#include <stdint.h>
1069 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1070 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1073 name : 'GCC atomic builtins')
1074 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1076 # Not all atomic calls can be turned into lock-free instructions, in which
1077 # GCC will make calls into the libatomic library. Check whether we need to
1078 # link with -latomic.
1080 # This can happen for 64-bit atomic operations on 32-bit architectures such
1082 if not cc.links('''#include <stdint.h>
1087 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1088 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1090 name : 'GCC atomic builtins required -latomic')
1091 dep_atomic = cc.find_library('atomic')
1094 if not cc.links('''#include <stdint.h>
1097 return __sync_add_and_fetch(&v, (uint64_t)1);
1099 dependencies : dep_atomic,
1100 name : 'GCC 64bit atomics')
1101 pre_args += '-DMISSING_64BIT_ATOMICS'
1104 dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1106 # TODO: shared/static? Is this even worth doing?
1109 if host_machine.cpu_family() == 'x86'
1110 if system_has_kms_drm or host_machine.system() == 'gnu'
1111 with_asm_arch = 'x86'
1112 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1115 if with_glx_read_only_text
1116 pre_args += ['-DGLX_X86_READONLY_TEXT']
1119 elif host_machine.cpu_family() == 'x86_64'
1120 if system_has_kms_drm
1121 with_asm_arch = 'x86_64'
1122 pre_args += ['-DUSE_X86_64_ASM']
1124 elif host_machine.cpu_family() == 'arm'
1125 if system_has_kms_drm
1126 with_asm_arch = 'arm'
1127 pre_args += ['-DUSE_ARM_ASM']
1129 elif host_machine.cpu_family() == 'aarch64'
1130 if system_has_kms_drm
1131 with_asm_arch = 'aarch64'
1132 pre_args += ['-DUSE_AARCH64_ASM']
1134 elif host_machine.cpu_family() == 'sparc64'
1135 if system_has_kms_drm
1136 with_asm_arch = 'sparc'
1137 pre_args += ['-DUSE_SPARC_ASM']
1139 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1140 if system_has_kms_drm
1141 with_asm_arch = 'ppc64le'
1142 pre_args += ['-DUSE_PPC64LE_ASM']
1146 # Check for standard headers and functions
1147 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1148 cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1149 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1150 pre_args += '-DMAJOR_IN_SYSMACROS'
1152 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1153 cc.has_header_symbol('sys/mkdev.h', 'minor') and
1154 cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1155 pre_args += '-DMAJOR_IN_MKDEV'
1158 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1159 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1160 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1164 foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r', 'flock', 'strtok_r']
1165 if cc.has_function(f)
1166 pre_args += '-DHAVE_@0@'.format(f.to_upper())
1170 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1171 args : '-D_GNU_SOURCE')
1172 pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1173 elif with_tools.contains('intel')
1174 error('Intel tools require the program_invocation_name variable')
1177 # MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1178 # This means that this check will succeed, but then compilation will later
1179 # fail. MSVC doesn't have this function at all, so only check for it on
1180 # non-windows platforms.
1181 if host_machine.system() != 'windows'
1182 if cc.has_function('posix_memalign')
1183 pre_args += '-DHAVE_POSIX_MEMALIGN'
1187 if cc.has_member('struct dirent', 'd_type', prefix: '''#include <sys/types.h>
1188 #include <dirent.h>''')
1189 pre_args += '-DHAVE_DIRENT_D_TYPE'
1192 # strtod locale support
1197 #ifdef HAVE_XLOCALE_H
1198 #include <xlocale.h>
1201 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1202 const char *s = "1.0";
1204 double d = strtod_l(s, end, loc);
1205 float f = strtof_l(s, end, loc);
1210 name : 'strtod has locale support')
1211 pre_args += '-DHAVE_STRTOD_L'
1214 # Check for some linker flags
1215 ld_args_bsymbolic = []
1216 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1217 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1219 ld_args_gc_sections = []
1220 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1221 args : '-Wl,--gc-sections', name : 'gc-sections')
1222 ld_args_gc_sections += '-Wl,--gc-sections'
1224 with_ld_version_script = false
1225 if cc.links('int main() { return 0; }',
1226 args : '-Wl,--version-script=@0@'.format(
1227 join_paths(meson.source_root(), 'build-support/conftest.map')),
1228 name : 'version-script')
1229 with_ld_version_script = true
1231 with_ld_dynamic_list = false
1232 if cc.links('int main() { return 0; }',
1233 args : '-Wl,--dynamic-list=@0@'.format(
1234 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1235 name : 'dynamic-list')
1236 with_ld_dynamic_list = true
1239 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1241 # check for dl support
1243 if not cc.has_function('dlopen')
1244 dep_dl = cc.find_library('dl', required : host_machine.system() != 'windows')
1246 if cc.has_function('dladdr', dependencies : dep_dl)
1247 # This is really only required for megadrivers
1248 pre_args += '-DHAVE_DLADDR'
1251 if cc.has_function('dl_iterate_phdr')
1252 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1254 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1255 elif with_dri_i965 and with_shader_cache
1256 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1259 # Determine whether or not the rt library is needed for time functions
1260 if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1261 dep_clock = null_dep
1263 dep_clock = cc.find_library('rt')
1266 # TODO: some of these may be conditional
1267 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1268 pre_args += '-DHAVE_ZLIB'
1270 _zstd = get_option('zstd')
1272 dep_zstd = dependency('libzstd', required : _zstd == 'true')
1274 pre_args += '-DHAVE_ZSTD'
1280 dep_thread = dependency('threads')
1281 if dep_thread.found() and host_machine.system() != 'windows'
1282 pre_args += '-DHAVE_PTHREAD'
1284 'pthread_setaffinity_np',
1285 dependencies : dep_thread,
1286 prefix : '#include <pthread.h>',
1287 args : '-D_GNU_SOURCE')
1288 pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1291 'pthread_setaffinity_np',
1292 dependencies : dep_thread,
1293 prefix : '#include <pthread_np.h>')
1294 pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1297 if host_machine.system() != 'windows'
1298 dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1300 dep_expat = null_dep
1302 # this only exists on linux so either this is linux and it will be found, or
1303 # it's not linux and wont
1304 dep_m = cc.find_library('m', required : false)
1306 # Check for libdrm. Various drivers have different libdrm version requirements,
1307 # but we always want to use the same version for all libdrm modules. That means
1308 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1309 # bar are both on use 2.4.3 for both of them
1310 dep_libdrm_amdgpu = null_dep
1311 dep_libdrm_radeon = null_dep
1312 dep_libdrm_nouveau = null_dep
1313 dep_libdrm_intel = null_dep
1315 _drm_amdgpu_ver = '2.4.100'
1316 _drm_radeon_ver = '2.4.71'
1317 _drm_nouveau_ver = '2.4.66'
1318 _drm_intel_ver = '2.4.75'
1322 ['intel', with_dri_i915 or with_gallium_i915],
1323 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1324 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1325 with_gallium_r300 or with_gallium_r600)],
1326 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1329 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1335 # etnaviv only needs core libdrm
1336 if with_gallium_etnaviv
1340 # Loop over the enables versions and get the highest libdrm requirement for all
1343 foreach d : _libdrm_checks
1344 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1345 if d[1] and ver.version_compare('>' + _drm_ver)
1351 message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1354 # Then get each libdrm module
1355 foreach d : _libdrm_checks
1358 'dep_libdrm_' + d[0],
1359 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1364 with_gallium_drisw_kms = false
1365 dep_libdrm = dependency(
1366 'libdrm', version : '>=' + _drm_ver,
1367 # GNU/Hurd includes egl_dri2, without drm.
1368 required : (with_dri2 and host_machine.system() != 'gnu') or with_dri3
1370 if dep_libdrm.found()
1371 pre_args += '-DHAVE_LIBDRM'
1372 if with_dri_platform == 'drm' and with_dri
1373 with_gallium_drisw_kms = true
1377 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
1378 llvm_optional_modules = ['coroutines']
1379 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1380 llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1381 if with_gallium_r600
1382 llvm_modules += 'asmparser'
1385 if with_gallium_opencl
1387 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1388 'lto', 'option', 'objcarcopts', 'profiledata',
1392 if with_amd_vk or with_gallium_radeonsi
1393 _llvm_version = '>= 8.0.0'
1394 elif with_gallium_swr
1395 _llvm_version = '>= 6.0.0'
1397 _llvm_version = '>= 3.9.0'
1400 _shared_llvm = get_option('shared-llvm')
1401 _llvm = get_option('llvm')
1403 # The cmake method will never find libllvm.so|dylib; this is fine for windows
1404 # because llvm doesn't support libllvm.dll
1405 _llvm_method = 'config-tool'
1406 if (meson.version().version_compare('>= 0.51.0') and
1407 host_machine.system() == 'windows')
1408 _llvm_method = 'cmake'
1414 dep_llvm = dependency(
1416 version : _llvm_version,
1417 modules : llvm_modules,
1418 optional_modules : llvm_optional_modules,
1420 with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1421 with_gallium_opencl or _llvm == 'true'
1423 static : not _shared_llvm,
1424 method : _llvm_method,
1425 fallback : ['llvm', 'dep_llvm'],
1427 with_llvm = dep_llvm.found()
1430 pre_args += '-DLLVM_AVAILABLE'
1431 pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1433 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1434 # programs, so we need to build all C++ code in mesa without rtti as well to
1435 # ensure that linking works.
1437 # In meson 0.51.0 we can use cmake to find LLVM in addittion to meson's
1438 # builtin llvm-config based finder. A new generic variable getter method
1439 # has also been added, so we'll use that if we can, to cover the cmake case.
1440 if dep_llvm.type_name() == 'internal'
1441 _rtti = subproject('llvm').get_variable('has_rtti', true)
1442 elif meson.version().version_compare('>=0.51')
1443 # The CMake finder will return 'ON', the llvm-config will return 'YES'
1444 _rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1446 _rtti = dep_llvm.get_configtool_variable('has-rtti') == 'YES'
1449 if with_gallium_nouveau
1450 error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1451 elif with_gallium_opencl
1452 error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1454 if cc.get_id() == 'msvc'
1457 cpp_args += '-fno-rtti'
1460 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1461 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1462 elif with_gallium_opencl
1463 error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1466 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1467 (with_gallium_r600 and with_llvm))
1468 dep_elf = dependency('libelf', required : false)
1469 if not dep_elf.found()
1470 dep_elf = cc.find_library('elf')
1476 dep_glvnd = null_dep
1478 dep_glvnd = dependency('libglvnd', version : '>= 1.2.0')
1479 pre_args += '-DUSE_LIBGLVND=1'
1482 if with_valgrind != 'false'
1483 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1484 if dep_valgrind.found()
1485 pre_args += '-DHAVE_VALGRIND'
1488 dep_valgrind = null_dep
1491 # pthread stubs. Lets not and say we didn't
1493 if host_machine.system() == 'windows'
1494 # Prefer the winflexbison versions, they're much easier to install and have
1495 # better windows support.
1497 prog_flex = find_program('win_flex', required : false)
1498 if prog_flex.found()
1499 # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1500 # _fileno functions)
1501 prog_flex = [prog_flex, '--wincompat']
1503 prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1505 # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1506 # __STDC__ macro to determine whether it's safe to use const keyword, but
1507 # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1508 prog_flex += '-DYY_USE_CONST='
1510 prog_bison = find_program('win_bison', required : false)
1511 if not prog_bison.found()
1512 prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1515 prog_bison = find_program('bison', required : with_any_opengl)
1517 # Disable deprecated keyword warnings, since we have to use them for
1518 # old-bison compat. See discussion in
1519 # https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2161
1520 if meson.version().version_compare('>= 0.52.0') and find_program('bison', required : false, version : '> 2.3').found()
1521 prog_bison = [prog_bison, '-Wno-deprecated']
1524 prog_flex = find_program('flex', required : with_any_opengl)
1527 dep_selinux = null_dep
1528 if get_option('selinux')
1529 dep_selinux = dependency('libselinux')
1530 pre_args += '-DMESA_SELINUX'
1533 if with_libunwind != 'false'
1534 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1535 if dep_unwind.found()
1536 pre_args += '-DHAVE_LIBUNWIND'
1539 dep_unwind = null_dep
1542 if with_osmesa != 'none'
1543 if with_osmesa == 'gallium' and not with_gallium_softpipe
1544 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1546 if host_machine.system() == 'windows'
1547 osmesa_lib_name = 'osmesa'
1549 osmesa_lib_name = 'OSMesa'
1551 osmesa_bits = get_option('osmesa-bits')
1552 if osmesa_bits != '8'
1553 if with_dri or with_glx != 'disabled'
1554 error('OSMesa bits must be 8 if building glx or dir based drivers')
1556 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1558 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1563 # TODO: symbol mangling
1565 if with_platform_wayland
1566 dep_wl_scanner = dependency('wayland-scanner', native: true)
1567 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1568 if dep_wl_scanner.version().version_compare('>= 1.15')
1569 wl_scanner_arg = 'private-code'
1571 wl_scanner_arg = 'code'
1573 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1574 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1575 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1577 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1578 dep_wayland_egl_headers = declare_dependency(
1579 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1581 wayland_dmabuf_xml = join_paths(
1582 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1583 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1585 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1590 dep_xdamage = null_dep
1591 dep_xfixes = null_dep
1592 dep_x11_xcb = null_dep
1594 dep_xcb_glx = null_dep
1595 dep_xcb_dri2 = null_dep
1596 dep_xcb_dri3 = null_dep
1597 dep_dri2proto = null_dep
1598 dep_glproto = null_dep
1599 dep_xxf86vm = null_dep
1600 dep_xcb_dri3 = null_dep
1601 dep_xcb_present = null_dep
1602 dep_xcb_sync = null_dep
1603 dep_xcb_xfixes = null_dep
1604 dep_xshmfence = null_dep
1605 dep_xcb_xrandr = null_dep
1606 dep_xlib_xrandr = null_dep
1607 if with_platform_x11
1608 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1609 dep_x11 = dependency('x11')
1610 dep_xext = dependency('xext')
1611 dep_xcb = dependency('xcb')
1612 elif with_glx == 'dri'
1613 dep_x11 = dependency('x11')
1614 dep_xext = dependency('xext')
1615 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1616 dep_xfixes = dependency('xfixes')
1617 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1619 if (with_any_vk or with_glx == 'dri' or with_egl or
1620 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1621 with_gallium_omx != 'disabled'))
1622 dep_xcb = dependency('xcb')
1623 dep_x11_xcb = dependency('x11-xcb')
1624 if with_dri_platform == 'drm' and not dep_libdrm.found()
1625 error('libdrm required for gallium video statetrackers when using x11')
1628 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1629 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1632 pre_args += '-DHAVE_DRI3'
1633 dep_xcb_dri3 = dependency('xcb-dri3')
1634 dep_xcb_present = dependency('xcb-present')
1635 # until xcb-dri3 has been around long enough to make a hard-dependency:
1636 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1637 dep_xcb_present.version().version_compare('>= 1.13'))
1638 pre_args += '-DHAVE_DRI3_MODIFIERS'
1640 dep_xcb_sync = dependency('xcb-sync')
1641 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1644 if with_glx == 'dri' or with_glx == 'gallium-xlib'
1645 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1647 if with_glx == 'dri'
1648 if with_dri_platform == 'drm'
1649 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1650 dep_xxf86vm = dependency('xxf86vm')
1654 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1655 with_gallium_omx != 'disabled'))
1656 dep_xcb_xfixes = dependency('xcb-xfixes')
1659 dep_xcb_xrandr = dependency('xcb-randr')
1660 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1664 if get_option('gallium-extra-hud')
1665 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1668 _sensors = get_option('lmsensors')
1669 if _sensors != 'false'
1670 dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1671 if dep_lmsensors.found()
1672 pre_args += '-DHAVE_LIBSENSORS=1'
1675 dep_lmsensors = null_dep
1678 foreach a : pre_args
1679 add_project_arguments(a, language : ['c', 'cpp'])
1682 add_project_arguments(a, language : ['c'])
1684 foreach a : cpp_args
1685 add_project_arguments(a, language : ['cpp'])
1690 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1691 gl_priv_reqs += ['x11', 'xext', 'xcb']
1692 elif with_glx == 'dri'
1694 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1696 if with_dri_platform == 'drm'
1697 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1698 gl_priv_reqs += 'xxf86vm'
1701 if dep_libdrm.found()
1702 gl_priv_reqs += 'libdrm >= 2.4.75'
1706 if dep_thread.found()
1707 gl_priv_libs += ['-lpthread', '-pthread']
1710 gl_priv_libs += '-lm'
1713 gl_priv_libs += '-ldl'
1716 pkg = import('pkgconfig')
1718 if host_machine.system() == 'windows'
1719 prog_dumpbin = find_program('dumpbin', required : false)
1720 with_symbols_check = prog_dumpbin.found() and with_tests
1721 symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
1723 prog_nm = find_program('nm')
1724 with_symbols_check = with_tests
1725 symbols_check_args = ['--nm', prog_nm.path()]
1728 # This quirk needs to be applied to sources with functions defined in assembly
1729 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1730 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1736 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1737 # formatting below unless the first argument is passed as a variable. This has
1738 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1739 # for backwards compatibility.
1740 _with_opengl_string = with_opengl ? 'yes' : 'no'
1743 'prefix: ' + get_option('prefix'),
1744 'libdir: ' + get_option('libdir'),
1745 'includedir: ' + get_option('includedir'),
1747 'OpenGL: @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1748 with_gles1 ? 'yes' : 'no',
1749 with_gles2 ? 'yes' : 'no'),
1752 if with_osmesa != 'none'
1755 if with_osmesa == 'gallium'
1756 suffix = '(Gallium)'
1758 lines += 'OSMesa: lib' + osmesa_lib_name + suffix
1760 lines += 'OSMesa: no'
1765 lines += 'DRI platform: ' + with_dri_platform
1766 if dri_drivers.length() != 0 and dri_drivers != ['']
1767 lines += 'DRI drivers: ' + ' '.join(dri_drivers)
1769 lines += 'DRI drivers: no'
1771 lines += 'DRI driver dir: ' + dri_drivers_path
1774 if with_glx != 'disabled'
1776 if with_glx == 'dri'
1777 lines += 'GLX: DRI-based'
1778 elif with_glx == 'xlib'
1779 lines += 'GLX: Xlib-based'
1780 elif with_glx == 'gallium-xlib'
1781 lines += 'GLX: Xlib-based (Gallium)'
1783 lines += 'GLX: ' + with_glx
1788 lines += 'EGL: ' + (with_egl ? 'yes' : 'no')
1792 egl_drivers += 'builtin:egl_dri2'
1795 egl_drivers += 'builtin:egl_dri3'
1797 lines += 'EGL drivers: ' + ' '.join(egl_drivers)
1799 lines += 'GBM: ' + (with_gbm ? 'yes' : 'no')
1801 lines += 'EGL/Vulkan/VL platforms: ' + ' '.join(_platforms)
1806 lines += 'Vulkan drivers: ' + ' '.join(_vulkan_drivers)
1807 lines += 'Vulkan ICD dir: ' + with_vulkan_icd_dir
1809 lines += 'Vulkan drivers: no'
1814 lines += 'llvm: yes'
1815 lines += 'llvm-version: ' + dep_llvm.version()
1822 lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1823 gallium_st = ['mesa']
1827 if with_gallium_xvmc
1828 gallium_st += 'xvmc'
1830 if with_gallium_xvmc
1831 gallium_st += 'xvmc'
1833 if with_gallium_vdpau
1834 gallium_st += 'vdpau'
1836 if with_gallium_omx != 'disabled'
1837 gallium_st += 'omx' + with_gallium_omx
1842 if with_gallium_st_nine
1843 gallium_st += 'nine'
1845 if with_gallium_opencl
1846 gallium_st += 'clover'
1848 lines += 'Gallium st: ' + ' '.join(gallium_st)
1850 lines += 'Gallium: no'
1853 lines += 'HUD lmsensors: ' + (dep_lmsensors.found() ? 'yes' : 'no')
1856 lines += 'Shared-glapi: ' + (with_shared_glapi ? 'yes' : 'no')
1860 summary = indent + ('\n' + indent).join(lines)
1861 message('Configuration summary:\n@0@\n'.format(summary))