1 # Copyright © 2017-2020 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 : '>= 0.52',
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 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
214 if with_gallium and system_has_kms_drm
215 _glx = get_option('glx')
216 _egl = get_option('egl')
217 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
222 _vulkan_drivers = get_option('vulkan-drivers')
223 if _vulkan_drivers.contains('auto')
224 if system_has_kms_drm
225 if host_machine.cpu_family().startswith('x86')
226 _vulkan_drivers = ['amd', 'intel']
227 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
230 error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
231 host_machine.cpu_family()))
233 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
234 # No vulkan driver supports windows or macOS currently
237 error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
238 host_machine.system()))
242 with_intel_vk = _vulkan_drivers.contains('intel')
243 with_amd_vk = _vulkan_drivers.contains('amd')
244 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
245 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
247 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
248 error('Only one swrast provider can be built')
250 if with_dri_i915 and with_gallium_i915
251 error('Only one i915 provider can be built')
253 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)
254 error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
256 if with_gallium_tegra and not with_gallium_nouveau
257 error('tegra driver requires nouveau driver')
260 if host_machine.system() == 'darwin'
261 with_dri_platform = 'apple'
262 pre_args += '-DBUILDING_MESA'
263 elif ['windows', 'cygwin'].contains(host_machine.system())
264 with_dri_platform = 'windows'
265 elif system_has_kms_drm
266 with_dri_platform = 'drm'
268 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
269 # assert here that one of those cases has been met.
270 # FIXME: illumos ends up here as well
271 with_dri_platform = 'none'
274 _platforms = get_option('platforms')
275 if _platforms.contains('auto')
276 if system_has_kms_drm
277 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
278 elif ['darwin', 'cygwin'].contains(host_machine.system())
279 _platforms = ['x11', 'surfaceless']
280 elif ['haiku'].contains(host_machine.system())
281 _platforms = ['haiku']
282 elif host_machine.system() == 'windows'
283 _platforms = ['windows']
285 error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
286 host_machine.system()))
290 with_platform_android = _platforms.contains('android')
291 with_platform_x11 = _platforms.contains('x11')
292 with_platform_wayland = _platforms.contains('wayland')
293 with_platform_drm = _platforms.contains('drm')
294 with_platform_haiku = _platforms.contains('haiku')
295 with_platform_surfaceless = _platforms.contains('surfaceless')
296 with_platform_windows = _platforms.contains('windows')
298 with_platforms = false
299 if _platforms.length() != 0 and _platforms != ['']
300 # sanity check that list contains no empty strings
301 if _platforms.contains('')
302 error('Invalid argument list given to -Dplatforms, please fix.')
304 with_platforms = true
305 egl_native_platform = _platforms[0]
308 _xlib_lease = get_option('xlib-lease')
309 if _xlib_lease == 'auto'
310 with_xlib_lease = with_platform_x11 and with_platform_drm
312 with_xlib_lease = _xlib_lease == 'true'
315 with_glx = get_option('glx')
316 if with_glx == 'auto'
319 elif with_platform_haiku
320 with_glx = 'disabled'
321 elif host_machine.system() == 'windows'
322 with_glx = 'disabled'
324 # Even when building just gallium drivers the user probably wants dri
326 elif with_platform_x11 and with_any_opengl and not with_any_vk
327 # The automatic behavior should not be to turn on xlib based glx when
328 # building only vulkan drivers
331 with_glx = 'disabled'
340 if not (with_dri or with_gallium or with_glx != 'disabled')
344 with_any_opengl = false
345 with_shared_glapi = false
348 _gbm = get_option('gbm')
350 with_gbm = system_has_kms_drm and with_dri
352 with_gbm = _gbm == 'true'
354 if with_gbm and not system_has_kms_drm
355 error('GBM only supports DRM/KMS platforms')
358 _egl = get_option('egl')
361 not ['darwin', 'windows'].contains(host_machine.system()) and
362 with_dri and with_shared_glapi and with_platforms
366 error('EGL requires dri')
367 elif not with_shared_glapi
368 error('EGL requires shared-glapi')
369 elif not with_platforms
370 error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
371 elif not ['disabled', 'dri'].contains(with_glx)
372 error('EGL requires dri, but a GLX is being built without dri')
373 elif ['darwin', 'windows'].contains(host_machine.system())
374 error('EGL is not available on Windows or MacOS')
381 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
382 if with_gallium_radeonsi
383 error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
385 if with_gallium_virgl
386 error('Virgl requires the drm, surfaceless or android platform when using EGL')
390 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
391 if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
392 pre_args += '-DUSE_ELF_TLS'
395 if with_glx != 'disabled'
396 if not (with_platform_x11 and with_any_opengl)
397 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
398 elif with_glx == 'gallium-xlib'
400 error('Gallium-xlib based GLX requires at least one gallium driver')
401 elif not with_gallium_softpipe
402 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
404 error('gallium-xlib conflicts with any dri driver')
406 elif with_glx == 'xlib'
408 error('xlib conflicts with any dri driver')
410 elif with_glx == 'dri'
411 if not with_shared_glapi
412 error('dri based GLX requires shared-glapi')
417 with_glvnd = get_option('glvnd')
419 if with_platform_windows
420 error('glvnd cannot be used on Windows')
421 elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
422 error('Cannot build glvnd support for GLX that is not DRI based.')
423 elif with_glx == 'disabled' and not with_egl
424 error('glvnd requires DRI based GLX and/or EGL')
426 if get_option('egl-lib-suffix') != ''
427 error('''EGL lib suffix can't be used with libglvnd''')
431 if with_vulkan_icd_dir == ''
432 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
435 # GNU/Hurd includes egl_dri2, without drm.
436 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
437 host_machine.system() == 'gnu')
438 _dri3 = get_option('dri3')
440 with_dri3 = system_has_kms_drm and with_dri2
442 with_dri3 = _dri3 == 'true'
445 if with_any_vk and (with_platform_x11 and not with_dri3)
446 error('Vulkan drivers require dri3 for X11 support')
449 if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
450 error('building dri drivers require at least one windowing system or classic osmesa')
454 _vdpau = get_option('gallium-vdpau')
455 if not system_has_kms_drm
457 error('VDPAU state tracker can only be build on unix-like OSes.')
461 elif not with_platform_x11
463 error('VDPAU state tracker requires X11 support.')
467 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
468 with_gallium_nouveau)
470 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
476 with_gallium_vdpau = false
478 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
480 dep_vdpau = dep_vdpau.partial_dependency(compile_args : true)
481 with_gallium_vdpau = true
485 if with_gallium_vdpau
486 pre_args += '-DHAVE_ST_VDPAU'
488 vdpau_drivers_path = get_option('vdpau-libs-path')
489 if vdpau_drivers_path == ''
490 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
494 dep_vulkan = dependency('vulkan')
497 _xvmc = get_option('gallium-xvmc')
498 if not system_has_kms_drm
500 error('XVMC state tracker can only be build on unix-like OSes.')
504 elif not with_platform_x11
506 error('XVMC state tracker requires X11 support.')
510 elif not (with_gallium_r600 or with_gallium_nouveau)
512 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
519 with_gallium_xvmc = false
521 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
522 dep_xv = dependency('xv', required : _xvmc == 'true')
523 with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
526 xvmc_drivers_path = get_option('xvmc-libs-path')
527 if xvmc_drivers_path == ''
528 xvmc_drivers_path = get_option('libdir')
531 _omx = get_option('gallium-omx')
532 if not system_has_kms_drm
533 if ['auto', 'disabled'].contains(_omx)
536 error('OMX state tracker can only be built on unix-like OSes.')
538 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
539 if ['auto', 'disabled'].contains(_omx)
542 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
545 with_gallium_omx = _omx
548 if ['auto', 'bellagio'].contains(_omx)
549 dep_omx = dependency(
550 'libomxil-bellagio', required : _omx == 'bellagio'
553 with_gallium_omx = 'bellagio'
556 if ['auto', 'tizonia'].contains(_omx)
557 if with_dri and with_egl
558 dep_omx = dependency(
559 'libtizonia', version : '>= 0.10.0',
560 required : _omx == 'tizonia',
563 dependency('libtizplatform', required : _omx == 'tizonia'),
564 dependency('tizilheaders', required : _omx == 'tizonia'),
566 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
567 with_gallium_omx = 'tizonia'
569 elif _omx == 'tizonia'
570 error('OMX-Tizonia state tracker requires dri and egl')
574 with_gallium_omx = 'disabled'
576 with_gallium_omx = _omx
580 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
581 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
585 omx_drivers_path = get_option('omx-libs-path')
587 if with_gallium_omx != 'disabled'
588 # Figure out where to put the omx driver.
589 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
590 # argument to meson's get_pkgconfig_variable method.
591 if omx_drivers_path == ''
592 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
593 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
594 if _omx_libdir == get_option('libdir')
595 omx_drivers_path = _omx_drivers_dir
598 # This will fail on windows. Does OMX run on windows?
599 _omx_libdir = _omx_libdir.split('/')
600 _omx_drivers_dir = _omx_drivers_dir.split('/')
601 foreach o : _omx_drivers_dir
602 if not _omx_libdir.contains(o)
606 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
611 _va = get_option('gallium-va')
612 if not system_has_kms_drm
614 error('VA state tracker can only be built on unix-like OSes.')
618 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
620 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
625 with_gallium_va = false
628 dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
630 dep_va_headers = dep_va.partial_dependency(compile_args : true)
631 with_gallium_va = true
635 va_drivers_path = get_option('va-libs-path')
636 if va_drivers_path == ''
637 va_drivers_path = join_paths(get_option('libdir'), 'dri')
640 _xa = get_option('gallium-xa')
641 if not system_has_kms_drm
643 error('XA state tracker can only be built on unix-like OSes.')
647 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
648 or with_gallium_svga)
650 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
655 with_gallium_xa = _xa != 'false'
657 d3d_drivers_path = get_option('d3d-drivers-path')
658 if d3d_drivers_path == ''
659 d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
662 with_gallium_st_nine = get_option('gallium-nine')
663 if with_gallium_st_nine
664 if not with_gallium_softpipe
665 error('The nine state tracker requires gallium softpipe/llvmpipe.')
666 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
667 or with_gallium_r300 or with_gallium_svga or with_gallium_i915
668 or with_gallium_iris)
669 error('The nine state tracker requires at least one non-swrast gallium driver.')
672 error('Using nine with wine requires dri3')
676 if get_option('power8') != 'false'
677 # on old versions of meson the cpu family would return as ppc64le on little
678 # endian power8, this was changed in 0.48 such that the family would always
679 # be ppc64 regardless of endianness, and then the machine.endian() value
680 # should be checked. Since we support versions < 0.48 we need to use
682 if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
683 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
684 error('Altivec is not supported with gcc version < 4.8.')
689 vector unsigned char r;
690 vector unsigned int v = vec_splat_u32 (1);
691 r = __builtin_vec_vgbbd ((vector unsigned char) v);
694 args : '-mpower8-vector',
695 name : 'POWER8 intrinsics')
696 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
697 elif get_option('power8') == 'true'
698 error('POWER8 intrinsic support required but not found.')
703 _opencl = get_option('gallium-opencl')
705 if _opencl != 'disabled'
707 error('OpenCL Clover implementation requires at least one gallium driver.')
710 dep_clc = dependency('libclc')
711 with_gallium_opencl = true
712 with_opencl_icd = _opencl == 'icd'
714 with_opencl_spirv = get_option('opencl-spirv')
716 dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
717 # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
718 dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
720 dep_spirv_tools = null_dep
721 dep_llvmspirvlib = null_dep
724 if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
725 #if !defined(__VEC__) || !defined(__ALTIVEC__)
726 #error "AltiVec not enabled"
729 clover_cpp_std += ['cpp_std=gnu++11']
733 dep_spirv_tools = null_dep
734 dep_llvmspirvlib = null_dep
735 with_gallium_opencl = false
736 with_opencl_icd = false
737 with_opencl_spirv = false
740 gl_pkgconfig_c_flags = []
742 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
743 pre_args += '-DHAVE_X11_PLATFORM'
745 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
746 pre_args += '-DUSE_XSHM'
748 pre_args += '-DGLX_INDIRECT_RENDERING'
750 pre_args += '-DGLX_DIRECT_RENDERING'
752 if with_dri_platform == 'drm'
753 pre_args += '-DGLX_USE_DRM'
754 elif with_dri_platform == 'apple'
755 pre_args += '-DGLX_USE_APPLEGL'
756 elif with_dri_platform == 'windows'
757 pre_args += '-DGLX_USE_WINDOWSGL'
761 pre_args += '-DEGL_NO_X11'
762 gl_pkgconfig_c_flags += '-DEGL_NO_X11'
765 if with_egl and not with_gbm
766 error('EGL drm platform requires gbm')
768 pre_args += '-DHAVE_DRM_PLATFORM'
770 if with_platform_surfaceless
771 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
773 if with_platform_android
775 dependency('cutils'),
776 dependency('hardware'),
780 dep_android += dependency('backtrace')
782 if get_option('platform-sdk-version') >= 26
783 dep_android += dependency('nativewindow')
785 pre_args += '-DHAVE_ANDROID_PLATFORM'
787 if with_platform_haiku
788 pre_args += '-DHAVE_HAIKU_PLATFORM'
791 prog_python = import('python').find_installation('python3')
792 has_mako = run_command(
795 from distutils.version import StrictVersion
797 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
799 if has_mako.returncode() != 0
800 error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
803 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
804 error('When using GCC, version 4.4.6 or later is required.')
807 # Support systems without ETIME (e.g. FreeBSD)
808 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
809 pre_args += '-DETIME=ETIMEDOUT'
812 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
813 if get_option('buildtype') == 'debug'
814 pre_args += '-DDEBUG'
817 with_shader_cache = false
818 _shader_cache = get_option('shader-cache')
819 if _shader_cache != 'false'
820 if host_machine.system() == 'windows'
821 if _shader_cache == 'true'
822 error('Shader Cache does not currently work on Windows')
825 pre_args += '-DENABLE_SHADER_CACHE'
826 with_shader_cache = true
829 if with_amd_vk and not with_shader_cache
830 error('Radv requires shader cache support')
833 # Check for GCC style builtins
834 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
835 'ffsll', 'popcount', 'popcountll', 'unreachable']
836 if cc.has_function(b)
837 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
841 # check for GCC __attribute__
843 'const', 'flatten', 'malloc', 'pure', 'unused', 'warn_unused_result',
844 'weak', 'format', 'packed', 'returns_nonnull', 'alias', 'noreturn',
846 foreach a : cc.get_supported_function_attributes(_attributes)
847 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
849 if cc.has_function_attribute('visibility:hidden')
850 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
852 if cc.compiles('__uint128_t foo(void) { return 0; }',
853 name : '__uint128_t')
854 pre_args += '-DHAVE_UINT128'
857 # TODO: this is very incomplete
858 if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd'].contains(host_machine.system())
859 pre_args += '-D_GNU_SOURCE'
860 elif host_machine.system() == 'sunos'
861 pre_args += '-D__EXTENSIONS__'
862 elif host_machine.system() == 'windows'
864 '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-DWINVER=0x0601',
865 '-DPIPE_SUBSYSTEM_WINDOWS_USER',
866 '-D_USE_MATH_DEFINES', # XXX: scons doesn't use this for mingw
868 if cc.get_id() == 'msvc'
871 '-D_CRT_SECURE_NO_WARNINGS',
872 '-D_CRT_SECURE_NO_DEPRECATE',
873 '-D_SCL_SECURE_NO_WARNINGS',
874 '-D_SCL_SECURE_NO_DEPRECATE',
875 '-D_ALLOW_KEYWORD_MACROS',
876 '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
879 pre_args += ['-D__MSVCRT_VERSION__=0x0700']
883 # Check for generic C arguments
886 c_msvc_compat_args = []
887 no_override_init_args = []
890 cpp_msvc_compat_args = []
891 if cc.get_id() == 'msvc'
892 foreach a : ['/wd4018', # signed/unsigned mismatch
893 '/wd4056', # overflow in floating-point constant arithmetic
894 '/wd4244', # conversion from 'type1' to 'type2', possible loss of data
895 '/wd4267', # 'var' : conversion from 'size_t' to 'type', possible loss of data
896 '/wd4305', # trancation from 'type1' to 'type2'
897 '/wd4351', # new behavior: elements of array 'array' will be default initialized
898 '/wd4756', # overflow in constant arithmetic
899 '/wd4800', # forcing value to bool 'true' or 'false' (performance warning)
900 '/wd4996', # disabled deprecated POSIX name warnings
901 '/wd4291', # no matching operator delete found
902 '/wd4146', # unary minus operator applied to unsigned type, result still unsigned
903 '/wd4200', # nonstandard extension used: zero-sized array in struct/union
904 '/wd4624', # destructor was implicitly defined as deleted [from LLVM]
906 if cc.has_argument(a)
909 if cpp.has_argument(a)
913 if cc.has_argument('-Wmicrosoft-enum-value') # Clang
914 c_args += '-Wno-microsoft-enum-value'
915 cpp_args += '-Wno-microsoft-enum-value'
919 '-Werror=implicit-function-declaration',
920 '-Werror=missing-prototypes',
921 '-Werror=return-type',
922 '-Werror=empty-body',
923 '-Werror=incompatible-pointer-types',
924 '-Werror=int-conversion',
925 '-Wno-missing-field-initializers',
926 '-Wno-format-truncation',
928 '-fno-trapping-math',
929 '-Qunused-arguments',
932 # MinGW chokes on format specifiers and I can't get it all working
933 if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
934 _trial += ['-Werror=format', '-Wformat-security']
937 if cc.has_argument(a)
943 '-Werror=return-type',
944 '-Werror=empty-body',
945 '-Wno-non-virtual-dtor',
946 '-Wno-missing-field-initializers',
947 '-Wno-format-truncation',
949 '-fno-trapping-math',
950 '-Qunused-arguments',
951 # Some classes use custom new operator which zeroes memory, however
952 # gcc does aggressive dead-store elimination which threats all writes
953 # to the memory before the constructor as "dead stores".
954 # For now we disable this optimization.
957 # MinGW chokes on format specifiers and I can't get it all working
958 if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
959 _trial += ['-Werror=format', '-Wformat-security']
962 if cpp.has_argument(a)
967 foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
968 if cc.has_argument(a)
969 no_override_init_args += a
973 if cc.has_argument('-fvisibility=hidden')
974 c_vis_args += '-fvisibility=hidden'
977 # Check for C and C++ arguments for MSVC compatibility. These are only used
978 # in parts of the mesa code base that need to compile with MSVC, mainly
980 foreach a : ['-Werror=pointer-arith', '-Werror=vla', '-Werror=gnu-empty-initializer']
981 if cc.has_argument(a)
982 c_msvc_compat_args += a
984 if cpp.has_argument(a)
985 cpp_msvc_compat_args += a
989 if cpp.has_argument('-fvisibility=hidden')
990 cpp_vis_args += '-fvisibility=hidden'
995 # set linker arguments
996 if host_machine.system() == 'windows'
997 if cc.get_id() == 'msvc'
998 add_project_link_arguments(
1002 language : ['c', 'cpp'],
1004 if get_option('buildtype') != 'debug'
1005 add_project_link_arguments(
1007 language : ['c', 'cpp'],
1011 add_project_link_arguments(
1013 '-Wl,--dynamicbase',
1015 '-static-libstdc++',
1016 language : ['c', 'cpp'],
1021 if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1022 pre_args += '-DUSE_SSE41'
1024 sse41_args = ['-msse4.1']
1026 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1027 # that's not guaranteed
1028 if host_machine.cpu_family() == 'x86'
1029 sse41_args += '-mstackrealign'
1036 # Check for GCC style atomics
1037 dep_atomic = null_dep
1039 if cc.compiles('''#include <stdint.h>
1044 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1045 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1048 name : 'GCC atomic builtins')
1049 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1051 # Not all atomic calls can be turned into lock-free instructions, in which
1052 # GCC will make calls into the libatomic library. Check whether we need to
1053 # link with -latomic.
1055 # This can happen for 64-bit atomic operations on 32-bit architectures such
1057 if not cc.links('''#include <stdint.h>
1062 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1063 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1065 name : 'GCC atomic builtins required -latomic')
1066 dep_atomic = cc.find_library('atomic')
1069 if not cc.links('''#include <stdint.h>
1072 return __sync_add_and_fetch(&v, (uint64_t)1);
1074 dependencies : dep_atomic,
1075 name : 'GCC 64bit atomics')
1076 pre_args += '-DMISSING_64BIT_ATOMICS'
1079 dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1081 # TODO: shared/static? Is this even worth doing?
1084 if host_machine.cpu_family() == 'x86'
1085 if system_has_kms_drm or host_machine.system() == 'gnu'
1086 with_asm_arch = 'x86'
1087 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1090 if with_glx_read_only_text
1091 pre_args += ['-DGLX_X86_READONLY_TEXT']
1094 elif host_machine.cpu_family() == 'x86_64'
1095 if system_has_kms_drm
1096 with_asm_arch = 'x86_64'
1097 pre_args += ['-DUSE_X86_64_ASM']
1099 elif host_machine.cpu_family() == 'arm'
1100 if system_has_kms_drm
1101 with_asm_arch = 'arm'
1102 pre_args += ['-DUSE_ARM_ASM']
1104 elif host_machine.cpu_family() == 'aarch64'
1105 if system_has_kms_drm
1106 with_asm_arch = 'aarch64'
1107 pre_args += ['-DUSE_AARCH64_ASM']
1109 elif host_machine.cpu_family() == 'sparc64'
1110 if system_has_kms_drm
1111 with_asm_arch = 'sparc'
1112 pre_args += ['-DUSE_SPARC_ASM']
1114 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1115 if system_has_kms_drm
1116 with_asm_arch = 'ppc64le'
1117 pre_args += ['-DUSE_PPC64LE_ASM']
1121 # Check for standard headers and functions
1122 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1123 cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1124 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1125 pre_args += '-DMAJOR_IN_SYSMACROS'
1127 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1128 cc.has_header_symbol('sys/mkdev.h', 'minor') and
1129 cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1130 pre_args += '-DMAJOR_IN_MKDEV'
1133 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1134 if cc.check_header(h)
1135 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1139 foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r', 'flock', 'strtok_r', 'getrandom']
1140 if cc.has_function(f)
1141 pre_args += '-DHAVE_@0@'.format(f.to_upper())
1145 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1146 args : '-D_GNU_SOURCE')
1147 pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1148 elif with_tools.contains('intel')
1149 error('Intel tools require the program_invocation_name variable')
1152 # MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1153 # This means that this check will succeed, but then compilation will later
1154 # fail. MSVC doesn't have this function at all, so only check for it on
1155 # non-windows platforms.
1156 if host_machine.system() != 'windows'
1157 if cc.has_function('posix_memalign')
1158 pre_args += '-DHAVE_POSIX_MEMALIGN'
1162 if cc.has_member('struct dirent', 'd_type', prefix: '''#include <sys/types.h>
1163 #include <dirent.h>''')
1164 pre_args += '-DHAVE_DIRENT_D_TYPE'
1167 # strtod locale support
1172 #ifdef HAVE_XLOCALE_H
1173 #include <xlocale.h>
1176 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1177 const char *s = "1.0";
1179 double d = strtod_l(s, end, loc);
1180 float f = strtof_l(s, end, loc);
1185 name : 'strtod has locale support')
1186 pre_args += '-DHAVE_STRTOD_L'
1189 # Check for some linker flags
1190 ld_args_bsymbolic = []
1191 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1192 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1194 ld_args_gc_sections = []
1195 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1196 args : '-Wl,--gc-sections', name : 'gc-sections')
1197 ld_args_gc_sections += '-Wl,--gc-sections'
1199 with_ld_version_script = false
1200 if cc.links('int main() { return 0; }',
1201 args : '-Wl,--version-script=@0@'.format(
1202 join_paths(meson.source_root(), 'build-support/conftest.map')),
1203 name : 'version-script')
1204 with_ld_version_script = true
1206 with_ld_dynamic_list = false
1207 if cc.links('int main() { return 0; }',
1208 args : '-Wl,--dynamic-list=@0@'.format(
1209 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1210 name : 'dynamic-list')
1211 with_ld_dynamic_list = true
1214 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1216 # check for dl support
1218 if not cc.has_function('dlopen')
1219 dep_dl = cc.find_library('dl', required : host_machine.system() != 'windows')
1221 if cc.has_function('dladdr', dependencies : dep_dl)
1222 # This is really only required for megadrivers
1223 pre_args += '-DHAVE_DLADDR'
1226 if cc.has_function('dl_iterate_phdr')
1227 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1229 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1230 elif with_dri_i965 and with_shader_cache
1231 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1234 # Determine whether or not the rt library is needed for time functions
1235 if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1236 dep_clock = null_dep
1238 dep_clock = cc.find_library('rt')
1241 # TODO: some of these may be conditional
1242 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1243 pre_args += '-DHAVE_ZLIB'
1245 _zstd = get_option('zstd')
1247 dep_zstd = dependency('libzstd', required : _zstd == 'true')
1249 pre_args += '-DHAVE_ZSTD'
1255 dep_thread = dependency('threads')
1256 if dep_thread.found() and host_machine.system() != 'windows'
1257 pre_args += '-DHAVE_PTHREAD'
1259 'pthread_setaffinity_np',
1260 dependencies : dep_thread,
1261 prefix : '#include <pthread.h>',
1262 args : '-D_GNU_SOURCE')
1263 pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1266 'pthread_setaffinity_np',
1267 dependencies : dep_thread,
1268 prefix : '#include <pthread_np.h>')
1269 pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1272 if host_machine.system() != 'windows'
1273 dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1275 dep_expat = null_dep
1277 # this only exists on linux so either this is linux and it will be found, or
1278 # it's not linux and wont
1279 dep_m = cc.find_library('m', required : false)
1281 # Check for libdrm. Various drivers have different libdrm version requirements,
1282 # but we always want to use the same version for all libdrm modules. That means
1283 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1284 # bar are both on use 2.4.3 for both of them
1285 dep_libdrm_amdgpu = null_dep
1286 dep_libdrm_radeon = null_dep
1287 dep_libdrm_nouveau = null_dep
1288 dep_libdrm_intel = null_dep
1290 _drm_amdgpu_ver = '2.4.100'
1291 _drm_radeon_ver = '2.4.71'
1292 _drm_nouveau_ver = '2.4.66'
1293 _drm_intel_ver = '2.4.75'
1297 ['intel', with_dri_i915 or with_gallium_i915],
1298 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1299 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1300 with_gallium_r300 or with_gallium_r600)],
1301 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1304 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1310 # etnaviv only needs core libdrm
1311 if with_gallium_etnaviv
1315 # Loop over the enables versions and get the highest libdrm requirement for all
1318 foreach d : _libdrm_checks
1319 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1320 if d[1] and ver.version_compare('>' + _drm_ver)
1326 message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1329 # Then get each libdrm module
1330 foreach d : _libdrm_checks
1333 'dep_libdrm_' + d[0],
1334 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1339 with_gallium_drisw_kms = false
1340 dep_libdrm = dependency(
1341 'libdrm', version : '>=' + _drm_ver,
1342 # GNU/Hurd includes egl_dri2, without drm.
1343 required : (with_dri2 and host_machine.system() != 'gnu') or with_dri3
1345 if dep_libdrm.found()
1346 pre_args += '-DHAVE_LIBDRM'
1347 if with_dri_platform == 'drm' and with_dri
1348 with_gallium_drisw_kms = true
1352 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
1353 llvm_optional_modules = ['coroutines']
1354 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1355 llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1356 if with_gallium_r600
1357 llvm_modules += 'asmparser'
1360 if with_gallium_opencl
1362 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1363 'lto', 'option', 'objcarcopts', 'profiledata',
1367 if with_amd_vk or with_gallium_radeonsi
1368 _llvm_version = '>= 8.0.0'
1369 elif with_gallium_swr
1370 _llvm_version = '>= 6.0.0'
1372 _llvm_version = '>= 3.9.0'
1375 _shared_llvm = get_option('shared-llvm')
1376 if _shared_llvm == 'auto'
1377 _shared_llvm = (host_machine.system() != 'windows')
1379 _shared_llvm = (_shared_llvm == 'true')
1381 _llvm = get_option('llvm')
1383 # the cmake method can only link statically, so don't attempt to use it if we
1384 # want to link dynamically. Before 0.54.0 meson will try cmake even when shared
1385 # linking is requested, so we need to force the config-tool method to be used
1386 # in that case, but in 0.54.0 meson won't try the cmake method if shared
1387 # linking is requested.
1388 _llvm_method = 'auto'
1389 if meson.version().version_compare('< 0.54.0') and _shared_llvm
1390 _llvm_method = 'config-tool'
1396 dep_llvm = dependency(
1398 version : _llvm_version,
1399 modules : llvm_modules,
1400 optional_modules : llvm_optional_modules,
1402 with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1403 with_gallium_opencl or _llvm == 'true'
1405 static : not _shared_llvm,
1406 method : _llvm_method,
1407 fallback : ['llvm', 'dep_llvm'],
1409 with_llvm = dep_llvm.found()
1412 pre_args += '-DLLVM_AVAILABLE'
1413 pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1415 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1416 # programs, so we need to build all C++ code in mesa without rtti as well to
1417 # ensure that linking works.
1419 # In meson 0.51.0 we can use cmake to find LLVM in addittion to meson's
1420 # builtin llvm-config based finder. A new generic variable getter method
1421 # has also been added, so we'll use that if we can, to cover the cmake case.
1422 if dep_llvm.type_name() == 'internal'
1423 _rtti = subproject('llvm').get_variable('has_rtti', true)
1425 # The CMake finder will return 'ON', the llvm-config will return 'YES'
1426 _rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1429 if with_gallium_nouveau
1430 error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1431 elif with_gallium_opencl
1432 error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1434 if cc.get_id() == 'msvc'
1437 cpp_args += '-fno-rtti'
1440 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1441 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1442 elif with_gallium_opencl
1443 error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1446 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1447 (with_gallium_r600 and with_llvm))
1448 dep_elf = dependency('libelf', required : false)
1449 if not dep_elf.found()
1450 dep_elf = cc.find_library('elf')
1456 dep_glvnd = null_dep
1458 dep_glvnd = dependency('libglvnd', version : '>= 1.2.0')
1459 pre_args += '-DUSE_LIBGLVND=1'
1462 if with_valgrind != 'false'
1463 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1464 if dep_valgrind.found()
1465 pre_args += '-DHAVE_VALGRIND'
1468 dep_valgrind = null_dep
1471 # pthread stubs. Lets not and say we didn't
1473 if host_machine.system() == 'windows'
1474 # Prefer the winflexbison versions, they're much easier to install and have
1475 # better windows support.
1477 prog_flex = find_program('win_flex', required : false)
1478 if prog_flex.found()
1479 # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1480 # _fileno functions)
1481 prog_flex = [prog_flex, '--wincompat', '-D__STDC_VERSION__=199901']
1483 prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1485 # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1486 # __STDC__ macro to determine whether it's safe to use const keyword, but
1487 # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1488 prog_flex += '-DYY_USE_CONST='
1490 prog_bison = find_program('win_bison', required : false)
1491 if not prog_bison.found()
1492 prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1495 prog_bison = find_program('bison', required : with_any_opengl)
1497 # Disable deprecated keyword warnings, since we have to use them for
1498 # old-bison compat. See discussion in
1499 # https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2161
1500 if find_program('bison', required : false, version : '> 2.3').found()
1501 prog_bison = [prog_bison, '-Wno-deprecated']
1504 prog_flex = find_program('flex', required : with_any_opengl)
1507 dep_selinux = null_dep
1508 if get_option('selinux')
1509 dep_selinux = dependency('libselinux')
1510 pre_args += '-DMESA_SELINUX'
1513 if with_libunwind != 'false'
1514 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1515 if dep_unwind.found()
1516 pre_args += '-DHAVE_LIBUNWIND'
1519 dep_unwind = null_dep
1522 if with_osmesa != 'none'
1523 if with_osmesa == 'gallium' and not with_gallium_softpipe
1524 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1526 if host_machine.system() == 'windows'
1527 osmesa_lib_name = 'osmesa'
1529 osmesa_lib_name = 'OSMesa'
1531 osmesa_bits = get_option('osmesa-bits')
1532 if osmesa_bits != '8'
1533 if with_dri or with_glx != 'disabled'
1534 error('OSMesa bits must be 8 if building glx or dir based drivers')
1536 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1538 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1543 # TODO: symbol mangling
1545 if with_platform_wayland
1546 dep_wl_scanner = dependency('wayland-scanner', native: true)
1547 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1548 if dep_wl_scanner.version().version_compare('>= 1.15')
1549 wl_scanner_arg = 'private-code'
1551 wl_scanner_arg = 'code'
1553 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1554 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1555 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1557 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1558 dep_wayland_egl_headers = dep_wayland_egl.partial_dependency(compile_args : true)
1560 wayland_dmabuf_xml = join_paths(
1561 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1562 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1564 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1569 dep_xdamage = null_dep
1570 dep_xfixes = null_dep
1571 dep_x11_xcb = null_dep
1573 dep_xcb_glx = null_dep
1574 dep_xcb_dri2 = null_dep
1575 dep_xcb_dri3 = null_dep
1576 dep_dri2proto = null_dep
1577 dep_glproto = null_dep
1578 dep_xxf86vm = null_dep
1579 dep_xcb_dri3 = null_dep
1580 dep_xcb_present = null_dep
1581 dep_xcb_sync = null_dep
1582 dep_xcb_xfixes = null_dep
1583 dep_xshmfence = null_dep
1584 dep_xcb_xrandr = null_dep
1585 dep_xlib_xrandr = null_dep
1586 if with_platform_x11
1587 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1588 dep_x11 = dependency('x11')
1589 dep_xext = dependency('xext')
1590 dep_xcb = dependency('xcb')
1591 elif with_glx == 'dri'
1592 dep_x11 = dependency('x11')
1593 dep_xext = dependency('xext')
1594 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1595 dep_xfixes = dependency('xfixes')
1596 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1598 if (with_any_vk or with_glx == 'dri' or with_egl or
1599 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1600 with_gallium_omx != 'disabled'))
1601 dep_xcb = dependency('xcb')
1602 dep_x11_xcb = dependency('x11-xcb')
1603 if with_dri_platform == 'drm' and not dep_libdrm.found()
1604 error('libdrm required for gallium video statetrackers when using x11')
1607 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1608 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1611 pre_args += '-DHAVE_DRI3'
1612 dep_xcb_dri3 = dependency('xcb-dri3')
1613 dep_xcb_present = dependency('xcb-present')
1614 # until xcb-dri3 has been around long enough to make a hard-dependency:
1615 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1616 dep_xcb_present.version().version_compare('>= 1.13'))
1617 pre_args += '-DHAVE_DRI3_MODIFIERS'
1619 dep_xcb_sync = dependency('xcb-sync')
1620 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1623 if with_glx == 'dri' or with_glx == 'gallium-xlib'
1624 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1626 if with_glx == 'dri'
1627 if with_dri_platform == 'drm'
1628 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1629 dep_xxf86vm = dependency('xxf86vm')
1633 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1634 with_gallium_omx != 'disabled'))
1635 dep_xcb_xfixes = dependency('xcb-xfixes')
1638 dep_xcb_xrandr = dependency('xcb-randr')
1639 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1643 if get_option('gallium-extra-hud')
1644 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1647 _sensors = get_option('lmsensors')
1648 if _sensors != 'false'
1649 dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1650 if dep_lmsensors.found()
1651 pre_args += '-DHAVE_LIBSENSORS=1'
1654 dep_lmsensors = null_dep
1657 foreach a : pre_args
1658 add_project_arguments(a, language : ['c', 'cpp'])
1661 add_project_arguments(a, language : ['c'])
1663 foreach a : cpp_args
1664 add_project_arguments(a, language : ['cpp'])
1669 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1670 gl_priv_reqs += ['x11', 'xext', 'xcb']
1671 elif with_glx == 'dri'
1673 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1675 if with_dri_platform == 'drm'
1676 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1677 gl_priv_reqs += 'xxf86vm'
1680 if dep_libdrm.found()
1681 gl_priv_reqs += 'libdrm >= 2.4.75'
1685 if dep_thread.found()
1686 gl_priv_libs += ['-lpthread', '-pthread']
1689 gl_priv_libs += '-lm'
1692 gl_priv_libs += '-ldl'
1695 pkg = import('pkgconfig')
1697 if host_machine.system() == 'windows'
1698 prog_dumpbin = find_program('dumpbin', required : false)
1699 with_symbols_check = prog_dumpbin.found() and with_tests
1700 symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
1702 prog_nm = find_program('nm')
1703 with_symbols_check = with_tests
1704 symbols_check_args = ['--nm', prog_nm.path()]
1707 # This quirk needs to be applied to sources with functions defined in assembly
1708 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1709 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1715 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1716 # formatting below unless the first argument is passed as a variable. This has
1717 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1718 # for backwards compatibility.
1719 _with_opengl_string = with_opengl ? 'yes' : 'no'
1722 'prefix: ' + get_option('prefix'),
1723 'libdir: ' + get_option('libdir'),
1724 'includedir: ' + get_option('includedir'),
1726 'OpenGL: @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1727 with_gles1 ? 'yes' : 'no',
1728 with_gles2 ? 'yes' : 'no'),
1731 if with_osmesa != 'none'
1734 if with_osmesa == 'gallium'
1735 suffix = '(Gallium)'
1737 lines += 'OSMesa: lib' + osmesa_lib_name + suffix
1739 lines += 'OSMesa: no'
1744 lines += 'DRI platform: ' + with_dri_platform
1745 if dri_drivers.length() != 0 and dri_drivers != ['']
1746 lines += 'DRI drivers: ' + ' '.join(dri_drivers)
1748 lines += 'DRI drivers: no'
1750 lines += 'DRI driver dir: ' + dri_drivers_path
1753 if with_glx != 'disabled'
1755 if with_glx == 'dri'
1756 lines += 'GLX: DRI-based'
1757 elif with_glx == 'xlib'
1758 lines += 'GLX: Xlib-based'
1759 elif with_glx == 'gallium-xlib'
1760 lines += 'GLX: Xlib-based (Gallium)'
1762 lines += 'GLX: ' + with_glx
1767 lines += 'EGL: ' + (with_egl ? 'yes' : 'no')
1771 egl_drivers += 'builtin:egl_dri2'
1774 egl_drivers += 'builtin:egl_dri3'
1776 lines += 'EGL drivers: ' + ' '.join(egl_drivers)
1778 lines += 'GBM: ' + (with_gbm ? 'yes' : 'no')
1780 lines += 'EGL/Vulkan/VL platforms: ' + ' '.join(_platforms)
1785 lines += 'Vulkan drivers: ' + ' '.join(_vulkan_drivers)
1786 lines += 'Vulkan ICD dir: ' + with_vulkan_icd_dir
1788 lines += 'Vulkan drivers: no'
1793 lines += 'llvm: yes'
1794 lines += 'llvm-version: ' + dep_llvm.version()
1801 lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1802 gallium_st = ['mesa']
1806 if with_gallium_xvmc
1807 gallium_st += 'xvmc'
1809 if with_gallium_xvmc
1810 gallium_st += 'xvmc'
1812 if with_gallium_vdpau
1813 gallium_st += 'vdpau'
1815 if with_gallium_omx != 'disabled'
1816 gallium_st += 'omx' + with_gallium_omx
1821 if with_gallium_st_nine
1822 gallium_st += 'nine'
1824 if with_gallium_opencl
1825 gallium_st += 'clover'
1827 lines += 'Gallium st: ' + ' '.join(gallium_st)
1829 lines += 'Gallium: no'
1832 lines += 'HUD lmsensors: ' + (dep_lmsensors.found() ? 'yes' : 'no')
1835 lines += 'Shared-glapi: ' + (with_shared_glapi ? 'yes' : 'no')
1839 summary = indent + ('\n' + indent).join(lines)
1840 message('Configuration summary:\n@0@\n'.format(summary))