1 # Copyright © 2017-2018 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', 'python2', 'python3'), 'bin/meson_get_version.py']
28 meson_version : '>= 0.44.1',
29 default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
32 cc = meson.get_compiler('c')
33 cpp = meson.get_compiler('cpp')
35 null_dep = dependency('', required : false)
37 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
39 # Arguments for the preprocessor, put these in a separate array from the C and
40 # C++ (cpp in meson terminology) arguments since they need to be added to the
41 # default arguments for both C and C++.
43 '-D__STDC_CONSTANT_MACROS',
44 '-D__STDC_FORMAT_MACROS',
45 '-D__STDC_LIMIT_MACROS',
46 '-DVERSION="@0@"'.format(meson.project_version()),
47 '-DPACKAGE_VERSION=VERSION',
48 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
51 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
52 with_tests = get_option('build-tests')
53 with_valgrind = get_option('valgrind')
54 with_libunwind = get_option('libunwind')
55 with_asm = get_option('asm')
56 with_glx_read_only_text = get_option('glx-read-only-text')
57 with_osmesa = get_option('osmesa')
58 with_swr_arches = get_option('swr-arches')
59 with_tools = get_option('tools')
60 if with_tools.contains('all')
61 with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
64 dri_drivers_path = get_option('dri-drivers-path')
65 if dri_drivers_path == ''
66 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
68 dri_search_path = get_option('dri-search-path')
69 if dri_search_path == ''
70 dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
73 with_gles1 = get_option('gles1')
74 with_gles2 = get_option('gles2')
75 with_opengl = get_option('opengl')
76 with_any_opengl = with_opengl or with_gles1 or with_gles2
77 # Only build shared_glapi if at least one OpenGL API is enabled
78 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
81 # shared-glapi is required if at least two OpenGL APIs are being built
82 if not with_shared_glapi
83 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
84 or (with_gles2 and with_opengl))
85 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
89 # We require OpenGL for OpenGL ES
90 if (with_gles1 or with_gles2) and not with_opengl
91 error('building OpenGL ES without OpenGL is not supported.')
94 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
96 _drivers = get_option('dri-drivers')
97 if _drivers.contains('auto')
100 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
101 _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
102 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
105 error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
106 host_machine.cpu_family()))
108 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
109 # only swrast would make sense here, but gallium swrast is a much better default
112 error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
113 host_machine.system()))
117 with_dri_i915 = _drivers.contains('i915')
118 with_dri_i965 = _drivers.contains('i965')
119 with_dri_r100 = _drivers.contains('r100')
120 with_dri_r200 = _drivers.contains('r200')
121 with_dri_nouveau = _drivers.contains('nouveau')
122 with_dri_swrast = _drivers.contains('swrast')
124 with_dri = _drivers.length() != 0 and _drivers != ['']
126 _drivers = get_option('gallium-drivers')
127 if _drivers.contains('auto')
128 if system_has_kms_drm
130 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
132 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
134 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
136 'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
137 'tegra', 'virgl', 'swrast',
140 error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
141 host_machine.cpu_family()))
143 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
144 _drivers = ['swrast']
146 error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
147 host_machine.system()))
150 with_gallium_pl111 = _drivers.contains('pl111')
151 with_gallium_radeonsi = _drivers.contains('radeonsi')
152 with_gallium_r300 = _drivers.contains('r300')
153 with_gallium_r600 = _drivers.contains('r600')
154 with_gallium_nouveau = _drivers.contains('nouveau')
155 with_gallium_freedreno = _drivers.contains('freedreno')
156 with_gallium_softpipe = _drivers.contains('swrast')
157 with_gallium_vc4 = _drivers.contains('vc4')
158 with_gallium_v3d = _drivers.contains('v3d')
159 with_gallium_etnaviv = _drivers.contains('etnaviv')
160 with_gallium_imx = _drivers.contains('imx')
161 with_gallium_tegra = _drivers.contains('tegra')
162 with_gallium_i915 = _drivers.contains('i915')
163 with_gallium_svga = _drivers.contains('svga')
164 with_gallium_virgl = _drivers.contains('virgl')
165 with_gallium_swr = _drivers.contains('swr')
167 with_gallium = _drivers.length() != 0 and _drivers != ['']
169 if with_gallium and system_has_kms_drm
170 _glx = get_option('glx')
171 _egl = get_option('egl')
172 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
177 _vulkan_drivers = get_option('vulkan-drivers')
178 if _vulkan_drivers.contains('auto')
179 if system_has_kms_drm
180 if host_machine.cpu_family().startswith('x86')
181 _vulkan_drivers = ['amd', 'intel']
183 error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
184 host_machine.cpu_family()))
186 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
187 # No vulkan driver supports windows or macOS currently
190 error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
191 host_machine.system()))
195 with_intel_vk = _vulkan_drivers.contains('intel')
196 with_amd_vk = _vulkan_drivers.contains('amd')
197 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
199 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
200 error('Only one swrast provider can be built')
202 if with_dri_i915 and with_gallium_i915
203 error('Only one i915 provider can be built')
205 if with_gallium_imx and not with_gallium_etnaviv
206 error('IMX driver requires etnaviv driver')
208 if with_gallium_pl111 and not with_gallium_vc4
209 error('pl111 driver requires vc4 driver')
211 if with_gallium_tegra and not with_gallium_nouveau
212 error('tegra driver requires nouveau driver')
215 if host_machine.system() == 'darwin'
216 with_dri_platform = 'apple'
217 elif ['windows', 'cygwin'].contains(host_machine.system())
218 with_dri_platform = 'windows'
219 elif system_has_kms_drm
220 with_dri_platform = 'drm'
222 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
223 # assert here that one of those cases has been met.
224 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
225 # support Hurd at time of writing (2017/11)
226 # FIXME: illumos ends up here as well
227 with_dri_platform = 'none'
230 _platforms = get_option('platforms')
231 if _platforms.contains('auto')
232 if system_has_kms_drm
233 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
234 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
235 _platforms = ['x11', 'surfaceless']
236 elif ['haiku'].contains(host_machine.system())
237 _platforms = ['haiku']
239 error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
240 host_machine.system()))
244 with_platform_android = _platforms.contains('android')
245 with_platform_x11 = _platforms.contains('x11')
246 with_platform_wayland = _platforms.contains('wayland')
247 with_platform_drm = _platforms.contains('drm')
248 with_platform_haiku = _platforms.contains('haiku')
249 with_platform_surfaceless = _platforms.contains('surfaceless')
251 with_platforms = false
252 if _platforms.length() != 0 and _platforms != ['']
253 with_platforms = true
254 egl_native_platform = _platforms[0]
257 _xlib_lease = get_option('xlib-lease')
258 if _xlib_lease == 'auto'
259 with_xlib_lease = with_platform_x11 and with_platform_drm
261 with_xlib_lease = _xlib_lease == 'true'
264 with_glx = get_option('glx')
265 if with_glx == 'auto'
268 elif with_platform_haiku
269 with_glx = 'disabled'
271 # Even when building just gallium drivers the user probably wants dri
273 elif with_platform_x11 and with_any_opengl and not with_any_vk
274 # The automatic behavior should not be to turn on xlib based glx when
275 # building only vulkan drivers
278 with_glx = 'disabled'
287 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
291 with_any_opengl = false
292 with_shared_glapi = false
295 _gbm = get_option('gbm')
297 with_gbm = system_has_kms_drm and with_dri
299 with_gbm = _gbm == 'true'
301 if with_gbm and not system_has_kms_drm
302 error('GBM only supports DRM/KMS platforms')
305 _egl = get_option('egl')
307 with_egl = with_dri and with_shared_glapi and with_platforms
310 error('EGL requires dri')
311 elif not with_shared_glapi
312 error('EGL requires shared-glapi')
313 elif not with_platforms
314 error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
315 elif not ['disabled', 'dri'].contains(with_glx)
316 error('EGL requires dri, but a GLX is being built without dri')
323 if with_egl and not (with_platform_drm or with_platform_surfaceless)
324 if with_gallium_radeonsi
325 error('RadeonSI requires drm or surfaceless platform when using EGL')
327 if with_gallium_virgl
328 error('Virgl requires drm or surfaceless platform when using EGL')
332 pre_args += '-DGLX_USE_TLS'
333 if with_glx != 'disabled'
334 if not (with_platform_x11 and with_any_opengl)
335 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
336 elif with_glx == 'gallium-xlib'
338 error('Gallium-xlib based GLX requires at least one gallium driver')
339 elif not with_gallium_softpipe
340 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
342 error('gallium-xlib conflicts with any dri driver')
344 elif with_glx == 'xlib'
346 error('xlib conflicts with any dri driver')
348 elif with_glx == 'dri'
350 error('dri based GLX requires at least one DRI driver')
351 elif not with_shared_glapi
352 error('dri based GLX requires shared-glapi')
357 with_glvnd = get_option('glvnd')
359 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
360 error('Cannot build glvnd support for GLX that is not DRI based.')
361 elif with_glx == 'disabled' and not with_egl
362 error('glvnd requires DRI based GLX and/or EGL')
366 # TODO: toggle for this
367 with_glx_direct = true
369 if with_vulkan_icd_dir == ''
370 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
373 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
374 _dri3 = get_option('dri3')
376 with_dri3 = system_has_kms_drm and with_dri2
378 with_dri3 = _dri3 == 'true'
381 if with_any_vk and (with_platform_x11 and not with_dri3)
382 error('Vulkan drivers require dri3 for X11 support')
384 if with_dri or with_gallium
385 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
386 error('building dri or gallium drivers require at least one window system')
390 prog_pkgconfig = find_program('pkg-config')
392 _vdpau = get_option('gallium-vdpau')
393 if not system_has_kms_drm
395 error('VDPAU state tracker can only be build on unix-like OSes.')
399 elif not with_platform_x11
401 error('VDPAU state tracker requires X11 support.')
405 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
406 with_gallium_nouveau)
408 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
414 with_gallium_vdpau = false
416 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
418 dep_vdpau = declare_dependency(
419 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
421 with_gallium_vdpau = true
425 if with_gallium_vdpau
426 pre_args += '-DHAVE_ST_VDPAU'
428 vdpau_drivers_path = get_option('vdpau-libs-path')
429 if vdpau_drivers_path == ''
430 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
433 _xvmc = get_option('gallium-xvmc')
434 if not system_has_kms_drm
436 error('XVMC state tracker can only be build on unix-like OSes.')
440 elif not with_platform_x11
442 error('XVMC state tracker requires X11 support.')
446 elif not (with_gallium_r600 or with_gallium_nouveau)
448 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
454 with_gallium_xvmc = false
456 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
457 with_gallium_xvmc = dep_xvmc.found()
460 xvmc_drivers_path = get_option('xvmc-libs-path')
461 if xvmc_drivers_path == ''
462 xvmc_drivers_path = get_option('libdir')
465 _omx = get_option('gallium-omx')
466 if not system_has_kms_drm
467 if ['auto', 'disabled'].contains(_omx)
470 error('OMX state tracker can only be built on unix-like OSes.')
472 elif not (with_platform_x11 or with_platform_drm)
473 if ['auto', 'disabled'].contains(_omx)
476 error('OMX state tracker requires X11 or drm platform support.')
478 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
479 if ['auto', 'disabled'].contains(_omx)
482 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
485 with_gallium_omx = _omx
488 if ['auto', 'bellagio'].contains(_omx)
489 dep_omx = dependency(
490 'libomxil-bellagio', required : _omx == 'bellagio'
493 with_gallium_omx = 'bellagio'
496 if ['auto', 'tizonia'].contains(_omx)
497 if with_dri and with_egl
498 dep_omx = dependency(
499 'libtizonia', version : '>= 0.10.0',
500 required : _omx == 'tizonia',
503 dependency('libtizplatform', required : _omx == 'tizonia'),
504 dependency('tizilheaders', required : _omx == 'tizonia'),
506 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
507 with_gallium_omx = 'tizonia'
509 elif _omx == 'tizonia'
510 error('OMX-Tizonia state tracker requires dri and egl')
514 with_gallium_omx = 'disabled'
516 with_gallium_omx = _omx
520 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
521 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
525 omx_drivers_path = get_option('omx-libs-path')
527 if with_gallium_omx != 'disabled'
528 # Figure out where to put the omx driver.
529 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
530 # argument to meson's get_pkgconfig_variable method.
531 if omx_drivers_path == ''
532 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
533 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
534 if _omx_libdir == get_option('libdir')
535 omx_drivers_path = _omx_drivers_dir
538 # This will fail on windows. Does OMX run on windows?
539 _omx_libdir = _omx_libdir.split('/')
540 _omx_drivers_dir = _omx_drivers_dir.split('/')
541 foreach o : _omx_drivers_dir
542 if not _omx_libdir.contains(o)
546 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
551 _va = get_option('gallium-va')
552 if not system_has_kms_drm
554 error('VA state tracker can only be built on unix-like OSes.')
558 elif not (with_platform_x11 or with_platform_drm)
560 error('VA state tracker requires X11 or drm or wayland platform support.')
564 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
566 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
573 with_gallium_va = false
576 dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
578 dep_va_headers = declare_dependency(
579 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
581 with_gallium_va = true
585 va_drivers_path = get_option('va-libs-path')
586 if va_drivers_path == ''
587 va_drivers_path = join_paths(get_option('libdir'), 'dri')
590 _xa = get_option('gallium-xa')
591 if not system_has_kms_drm
593 error('XA state tracker can only be built on unix-like OSes.')
597 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
598 or with_gallium_svga)
600 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
605 with_gallium_xa = _xa != 'false'
607 d3d_drivers_path = get_option('d3d-drivers-path')
608 if d3d_drivers_path == ''
609 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
612 with_gallium_st_nine = get_option('gallium-nine')
613 if with_gallium_st_nine
614 if not with_gallium_softpipe
615 error('The nine state tracker requires gallium softpipe/llvmpipe.')
616 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
617 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
618 error('The nine state tracker requires at least on non-swrast gallium driver.')
621 error('Using nine with wine requires dri3')
625 if get_option('power8') != 'false'
626 if host_machine.cpu_family() == 'ppc64le'
627 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
628 error('Altivec is not supported with gcc version < 4.8.')
633 vector unsigned char r;
634 vector unsigned int v = vec_splat_u32 (1);
635 r = __builtin_vec_vgbbd ((vector unsigned char) v);
638 args : '-mpower8-vector',
639 name : 'POWER8 intrinsics')
640 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
641 elif get_option('power8') == 'true'
642 error('POWER8 intrinsic support required but not found.')
647 _opencl = get_option('gallium-opencl')
648 if _opencl != 'disabled'
650 error('OpenCL Clover implementation requires at least one gallium driver.')
653 dep_clc = dependency('libclc')
654 with_gallium_opencl = true
655 with_opencl_icd = _opencl == 'icd'
658 with_gallium_opencl = false
659 with_gallium_icd = false
662 gl_pkgconfig_c_flags = []
664 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
665 pre_args += '-DHAVE_X11_PLATFORM'
667 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
668 pre_args += '-DUSE_XSHM'
670 pre_args += '-DGLX_INDIRECT_RENDERING'
672 pre_args += '-DGLX_DIRECT_RENDERING'
674 if with_dri_platform == 'drm'
675 pre_args += '-DGLX_USE_DRM'
676 elif with_dri_platform == 'apple'
677 pre_args += '-DGLX_USE_APPLEGL'
678 elif with_dri_platform == 'windows'
679 pre_args += '-DGLX_USE_WINDOWSGL'
683 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
684 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
687 if with_egl and not with_gbm
688 error('EGL drm platform requires gbm')
690 pre_args += '-DHAVE_DRM_PLATFORM'
692 if with_platform_surfaceless
693 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
695 if with_platform_android
697 dependency('cutils'),
698 dependency('hardware'),
701 pre_args += '-DHAVE_ANDROID_PLATFORM'
703 if with_platform_haiku
704 pre_args += '-DHAVE_HAIKU_PLATFORM'
707 prog_python = import('python3').find_python()
708 has_mako = run_command(
711 from distutils.version import StrictVersion
713 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
715 if has_mako.returncode() != 0
716 error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
719 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
720 error('When using GCC, version 4.4.6 or later is required.')
723 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
724 if get_option('buildtype') == 'debug'
725 pre_args += '-DDEBUG'
728 if get_option('shader-cache')
729 pre_args += '-DENABLE_SHADER_CACHE'
731 error('Radv requires shader cache support')
734 # Check for GCC style builtins
735 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
736 'ffsll', 'popcount', 'popcountll', 'unreachable']
737 if cc.has_function(b)
738 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
742 # check for GCC __attribute__
743 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
744 'warn_unused_result', 'weak',]
745 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
746 name : '__attribute__((@0@))'.format(a))
747 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
750 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
751 name : '__attribute__((format(...)))')
752 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
754 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
755 name : '__attribute__((packed))')
756 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
758 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
759 name : '__attribute__((returns_nonnull))')
760 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
762 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
763 int foo_hid(void) __attribute__((visibility("hidden")));
764 int foo_int(void) __attribute__((visibility("internal")));
765 int foo_pro(void) __attribute__((visibility("protected")));''',
766 name : '__attribute__((visibility(...)))')
767 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
769 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
770 name : '__attribute__((alias(...)))')
771 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
773 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
774 name : '__attribute__((__noreturn__))')
775 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
778 # TODO: this is very incomplete
779 if ['linux', 'cygwin'].contains(host_machine.system())
780 pre_args += '-D_GNU_SOURCE'
783 # Check for generic C arguments
785 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
786 '-Werror=missing-prototypes', '-fno-math-errno',
787 '-fno-trapping-math', '-Qunused-arguments']
788 if cc.has_argument(a)
792 if cc.has_argument('-Wmissing-field-initializers')
793 c_args += '-Wno-missing-field-initializers'
797 if cc.has_argument('-fvisibility=hidden')
798 c_vis_args += '-fvisibility=hidden'
801 # Check for generic C++ arguments
803 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
804 '-Qunused-arguments']
805 if cpp.has_argument(a)
810 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
811 # option is not supported. Hence, check for -Wfoo instead.
813 foreach a : ['non-virtual-dtor', 'missing-field-initializers']
814 if cpp.has_argument('-W' + a)
815 cpp_args += '-Wno-' + a
819 no_override_init_args = []
820 foreach a : ['override-init', 'initializer-overrides']
821 if cc.has_argument('-W' + a)
822 no_override_init_args += '-Wno-' + a
827 if cpp.has_argument('-fvisibility=hidden')
828 cpp_vis_args += '-fvisibility=hidden'
831 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
832 # in parts of the mesa code base that need to compile with old versions of
833 # MSVC, mainly common code
834 c_msvc_compat_args = []
835 cpp_msvc_compat_args = []
836 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
837 if cc.has_argument(a)
838 c_msvc_compat_args += a
840 if cpp.has_argument(a)
841 cpp_msvc_compat_args += a
845 if host_machine.cpu_family().startswith('x86')
846 pre_args += '-DUSE_SSE41'
848 sse41_args = ['-msse4.1']
850 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
851 # that's not guaranteed
852 if host_machine.cpu_family() == 'x86'
853 sse41_args += '-mstackrealign'
860 # Check for GCC style atomics
861 dep_atomic = null_dep
863 if cc.compiles('''#include <stdint.h>
868 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
869 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
872 name : 'GCC atomic builtins')
873 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
875 # Not all atomic calls can be turned into lock-free instructions, in which
876 # GCC will make calls into the libatomic library. Check whether we need to
877 # link with -latomic.
879 # This can happen for 64-bit atomic operations on 32-bit architectures such
881 if not cc.links('''#include <stdint.h>
886 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
887 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
889 name : 'GCC atomic builtins required -latomic')
890 dep_atomic = cc.find_library('atomic')
893 if not cc.links('''#include <stdint.h>
896 return __sync_add_and_fetch(&v, (uint64_t)1);
898 name : 'GCC 64bit atomics')
899 pre_args += '-DMISSING_64_BIT_ATOMICS'
902 # TODO: shared/static? Is this even worth doing?
904 # When cross compiling we generally need to turn off the use of assembly,
905 # because mesa's assembly relies on building an executable for the host system,
906 # and running it to get information about struct sizes. There is at least one
907 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
908 # host OS == build OS, since in that case the build machine can run the host's
910 if meson.is_cross_build()
911 if build_machine.system() != host_machine.system()
912 # TODO: It may be possible to do this with an exe_wrapper (like wine).
913 message('Cross compiling from one OS to another, disabling assembly.')
915 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
916 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
917 # x86 -> x86 cross compile. We use startswith rather than == to handle this
919 # TODO: There may be other cases where the 64 bit version of the
920 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
922 Cross compiling to different architectures, and the host cannot run
923 the build machine's binaries. Disabling assembly.
931 if host_machine.cpu_family() == 'x86'
932 if system_has_kms_drm
933 with_asm_arch = 'x86'
934 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
937 if with_glx_read_only_text
938 pre_args += ['-DGLX_X86_READONLY_TEXT']
941 elif host_machine.cpu_family() == 'x86_64'
942 if system_has_kms_drm
943 with_asm_arch = 'x86_64'
944 pre_args += ['-DUSE_X86_64_ASM']
946 elif host_machine.cpu_family() == 'arm'
947 if system_has_kms_drm
948 with_asm_arch = 'arm'
949 pre_args += ['-DUSE_ARM_ASM']
951 elif host_machine.cpu_family() == 'aarch64'
952 if system_has_kms_drm
953 with_asm_arch = 'aarch64'
954 pre_args += ['-DUSE_AARCH64_ASM']
956 elif host_machine.cpu_family() == 'sparc64'
957 if system_has_kms_drm
958 with_asm_arch = 'sparc'
959 pre_args += ['-DUSE_SPARC_ASM']
961 elif host_machine.cpu_family() == 'ppc64le'
962 if system_has_kms_drm
963 with_asm_arch = 'ppc64le'
964 pre_args += ['-DUSE_PPC64LE_ASM']
969 # Check for standard headers and functions
970 if cc.has_header_symbol('sys/sysmacros.h', 'major')
971 pre_args += '-DMAJOR_IN_SYSMACROS'
972 elif cc.has_header_symbol('sys/mkdev.h', 'major')
973 pre_args += '-DMAJOR_IN_MKDEV'
976 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
977 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
978 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
982 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
983 if cc.has_function(f)
984 pre_args += '-DHAVE_@0@'.format(f.to_upper())
988 # strtod locale support
993 #ifdef HAVE_XLOCALE_H
997 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
998 const char *s = "1.0";
1000 double d = strtod_l(s, end, loc);
1001 float f = strtof_l(s, end, loc);
1006 name : 'strtod has locale support')
1007 pre_args += '-DHAVE_STRTOD_L'
1010 # Check for some linker flags
1011 ld_args_bsymbolic = []
1012 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1013 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1015 ld_args_gc_sections = []
1016 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1017 args : '-Wl,--gc-sections', name : 'gc-sections')
1018 ld_args_gc_sections += '-Wl,--gc-sections'
1020 with_ld_version_script = false
1021 if cc.links('int main() { return 0; }',
1022 args : '-Wl,--version-script=@0@'.format(
1023 join_paths(meson.source_root(), 'build-support/conftest.map')),
1024 name : 'version-script')
1025 with_ld_version_script = true
1027 with_ld_dynamic_list = false
1028 if cc.links('int main() { return 0; }',
1029 args : '-Wl,--dynamic-list=@0@'.format(
1030 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1031 name : 'dynamic-list')
1032 with_ld_dynamic_list = true
1034 ld_args_build_id = []
1035 if build_machine.system() != 'darwin'
1036 ld_args_build_id += '-Wl,--build-id=sha1'
1039 # check for dl support
1040 if cc.has_function('dlopen')
1043 dep_dl = cc.find_library('dl')
1045 if cc.has_function('dladdr', dependencies : dep_dl)
1046 # This is really only required for megadrivers
1047 pre_args += '-DHAVE_DLADDR'
1050 if cc.has_function('dl_iterate_phdr')
1051 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1053 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1054 elif with_dri_i965 and get_option('shader-cache')
1055 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1058 # Determine whether or not the rt library is needed for time functions
1059 if cc.has_function('clock_gettime')
1060 dep_clock = null_dep
1062 dep_clock = cc.find_library('rt')
1065 # TODO: some of these may be conditional
1066 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1067 pre_args += '-DHAVE_ZLIB'
1068 dep_thread = dependency('threads')
1069 if dep_thread.found() and host_machine.system() != 'windows'
1070 pre_args += '-DHAVE_PTHREAD'
1072 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1073 dep_elf = dependency('libelf', required : false)
1074 if not dep_elf.found()
1075 dep_elf = cc.find_library('elf')
1080 dep_expat = dependency('expat')
1081 # this only exists on linux so either this is linux and it will be found, or
1082 # its not linux and and wont
1083 dep_m = cc.find_library('m', required : false)
1085 # Check for libdrm. various drivers have different libdrm version requirements,
1086 # but we always want to use the same version for all libdrm modules. That means
1087 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1088 # bar are both on use 2.4.3 for both of them
1089 dep_libdrm_amdgpu = null_dep
1090 dep_libdrm_radeon = null_dep
1091 dep_libdrm_nouveau = null_dep
1092 dep_libdrm_etnaviv = null_dep
1093 dep_libdrm_freedreno = null_dep
1094 dep_libdrm_intel = null_dep
1096 _drm_amdgpu_ver = '2.4.93'
1097 _drm_radeon_ver = '2.4.71'
1098 _drm_nouveau_ver = '2.4.66'
1099 _drm_etnaviv_ver = '2.4.89'
1100 _drm_freedreno_ver = '2.4.93'
1101 _drm_intel_ver = '2.4.75'
1105 ['intel', with_dri_i915 or with_gallium_i915],
1106 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1107 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1108 with_gallium_r300 or with_gallium_r600)],
1109 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1110 ['etnaviv', with_gallium_etnaviv],
1111 ['freedreno', with_gallium_freedreno],
1114 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1120 # Loop over the enables versions and get the highest libdrm requirement for all
1122 foreach d : _libdrm_checks
1123 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1124 if d[1] and ver.version_compare('>' + _drm_ver)
1129 # Then get each libdrm module
1130 foreach d : _libdrm_checks
1133 'dep_libdrm_' + d[0],
1134 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1139 with_gallium_drisw_kms = false
1140 dep_libdrm = dependency(
1141 'libdrm', version : '>=' + _drm_ver,
1142 required : with_dri2 or with_dri3
1144 if dep_libdrm.found()
1145 pre_args += '-DHAVE_LIBDRM'
1146 if with_dri_platform == 'drm' and with_dri
1147 with_gallium_drisw_kms = true
1151 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1152 llvm_optional_modules = []
1153 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1154 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1155 if with_gallium_r600
1156 llvm_modules += 'asmparser'
1159 if with_gallium_opencl
1161 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1162 'lto', 'option', 'objcarcopts', 'profiledata',
1164 llvm_optional_modules += ['coroutines', 'opencl']
1167 if with_amd_vk or with_gallium_radeonsi
1168 _llvm_version = '>= 6.0.0'
1169 elif with_gallium_swr
1170 _llvm_version = '>= 6.0.0'
1171 elif with_gallium_opencl or with_gallium_r600
1172 _llvm_version = '>= 3.9.0'
1174 _llvm_version = '>= 3.3.0'
1177 _llvm = get_option('llvm')
1179 dep_llvm = dependency(
1181 version : _llvm_version,
1182 modules : llvm_modules,
1183 optional_modules : llvm_optional_modules,
1184 required : with_amd_vk or with_gallium_radeonsi or with_gallium_swr or with_gallium_opencl,
1186 with_llvm = dep_llvm.found()
1187 elif _llvm == 'true'
1188 dep_llvm = dependency(
1190 version : _llvm_version,
1191 modules : llvm_modules,
1192 optional_modules : llvm_optional_modules,
1200 _llvm_version = dep_llvm.version().split('.')
1201 # Development versions of LLVM have an 'svn' or 'git' suffix, we don't want
1202 # that for our version checks.
1203 # svn suffixes are stripped by meson as of 0.43, and git suffixes are
1204 # strippped as of 0.44, but we support older meson versions.
1206 # 3 digits versions in LLVM only started from 3.4.1 on
1207 if dep_llvm.version().version_compare('>= 3.4.1')
1208 _llvm_patch = _llvm_version[2]
1213 if _llvm_patch.endswith('svn')
1214 _llvm_patch = _llvm_patch.split('s')[0]
1215 elif _llvm_patch.contains('git')
1216 _llvm_patch = _llvm_patch.split('g')[0]
1219 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1220 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1223 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1224 # programs, so we need to build all C++ code in mesa without rtti as well to
1225 # ensure that linking works.
1226 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1227 cpp_args += '-fno-rtti'
1229 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1230 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1233 dep_glvnd = null_dep
1235 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1236 pre_args += '-DUSE_LIBGLVND=1'
1239 if with_valgrind != 'false'
1240 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1241 if dep_valgrind.found()
1242 pre_args += '-DHAVE_VALGRIND'
1245 dep_valgrind = null_dep
1248 # pthread stubs. Lets not and say we didn't
1250 prog_bison = find_program('bison', required : with_any_opengl)
1251 prog_flex = find_program('flex', required : with_any_opengl)
1253 dep_selinux = null_dep
1254 if get_option('selinux')
1255 dep_selinux = dependency('libselinux')
1256 pre_args += '-DMESA_SELINUX'
1259 if with_libunwind != 'false'
1260 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1261 if dep_unwind.found()
1262 pre_args += '-DHAVE_LIBUNWIND'
1265 dep_unwind = null_dep
1268 if with_osmesa != 'none'
1269 if with_osmesa == 'classic' and not with_dri_swrast
1270 error('OSMesa classic requires dri (classic) swrast.')
1272 if with_osmesa == 'gallium' and not with_gallium_softpipe
1273 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1275 osmesa_lib_name = 'OSMesa'
1276 osmesa_bits = get_option('osmesa-bits')
1277 if osmesa_bits != '8'
1278 if with_dri or with_glx != 'disabled'
1279 error('OSMesa bits must be 8 if building glx or dir based drivers')
1281 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1283 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1288 # TODO: symbol mangling
1290 if with_platform_wayland
1291 dep_wl_scanner = dependency('wayland-scanner', native: true)
1292 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1293 if dep_wl_scanner.version().version_compare('>= 1.15')
1294 wl_scanner_arg = 'private-code'
1296 wl_scanner_arg = 'code'
1298 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1299 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1300 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1302 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1303 dep_wayland_egl_headers = declare_dependency(
1304 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1306 wayland_dmabuf_xml = join_paths(
1307 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1308 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1310 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1312 prog_wl_scanner = []
1314 dep_wl_protocols = null_dep
1315 dep_wayland_client = null_dep
1316 dep_wayland_server = null_dep
1317 wayland_dmabuf_xml = ''
1322 dep_xdamage = null_dep
1323 dep_xfixes = null_dep
1324 dep_x11_xcb = null_dep
1326 dep_xcb_glx = null_dep
1327 dep_xcb_dri2 = null_dep
1328 dep_xcb_dri3 = null_dep
1329 dep_dri2proto = null_dep
1330 dep_glproto = null_dep
1331 dep_xxf86vm = null_dep
1332 dep_xcb_dri3 = null_dep
1333 dep_xcb_present = null_dep
1334 dep_xcb_sync = null_dep
1335 dep_xcb_xfixes = null_dep
1336 dep_xshmfence = null_dep
1337 dep_xcb_xrandr = null_dep
1338 dep_xlib_xrandr = null_dep
1339 if with_platform_x11
1340 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1341 dep_x11 = dependency('x11')
1342 dep_xext = dependency('xext')
1343 dep_xcb = dependency('xcb')
1344 elif with_glx == 'dri'
1345 dep_x11 = dependency('x11')
1346 dep_xext = dependency('xext')
1347 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1348 dep_xfixes = dependency('xfixes')
1349 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1350 dep_xxf86vm = dependency('xxf86vm', required : false)
1352 if (with_any_vk or with_glx == 'dri' or
1353 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1354 with_gallium_omx != 'disabled'))
1355 dep_xcb = dependency('xcb')
1356 dep_x11_xcb = dependency('x11-xcb')
1358 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1359 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1362 pre_args += '-DHAVE_DRI3'
1363 dep_xcb_dri3 = dependency('xcb-dri3')
1364 dep_xcb_present = dependency('xcb-present')
1365 # until xcb-dri3 has been around long enough to make a hard-dependency:
1366 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1367 dep_xcb_present.version().version_compare('>= 1.13'))
1368 pre_args += '-DHAVE_DRI3_MODIFIERS'
1370 dep_xcb_sync = dependency('xcb-sync')
1371 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1374 if with_glx == 'dri'
1375 if with_dri_platform == 'drm'
1376 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1378 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1381 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1382 with_gallium_omx != 'disabled'))
1383 dep_xcb_xfixes = dependency('xcb-xfixes')
1386 dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1387 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1391 if get_option('gallium-extra-hud')
1392 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1395 _sensors = get_option('lmsensors')
1396 if _sensors != 'false'
1397 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1398 if dep_lmsensors.found()
1399 pre_args += '-DHAVE_LIBSENSORS=1'
1402 dep_lmsensors = null_dep
1405 foreach a : pre_args
1406 add_project_arguments(a, language : ['c', 'cpp'])
1409 add_project_arguments(a, language : ['c'])
1411 foreach a : cpp_args
1412 add_project_arguments(a, language : ['cpp'])
1415 inc_include = include_directories('include')
1419 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1420 gl_priv_reqs += ['x11', 'xext', 'xcb']
1421 elif with_glx == 'dri'
1423 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1425 if with_dri_platform == 'drm'
1426 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1429 if dep_libdrm.found()
1430 gl_priv_reqs += 'libdrm >= 2.4.75'
1432 if dep_xxf86vm.found()
1433 gl_priv_reqs += 'xxf86vm'
1437 if dep_thread.found()
1438 gl_priv_libs += ['-lpthread', '-pthread']
1441 gl_priv_libs += '-lm'
1444 gl_priv_libs += '-ldl'
1447 pkg = import('pkgconfig')
1449 env_test = environment()
1450 env_test.set('NM', find_program('nm').path())