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 : '>= 0.45',
29 default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', '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']
182 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
185 error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
186 host_machine.cpu_family()))
188 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
189 # No vulkan driver supports windows or macOS currently
192 error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
193 host_machine.system()))
197 with_intel_vk = _vulkan_drivers.contains('intel')
198 with_amd_vk = _vulkan_drivers.contains('amd')
199 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
201 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
202 error('Only one swrast provider can be built')
204 if with_dri_i915 and with_gallium_i915
205 error('Only one i915 provider can be built')
207 if with_gallium_imx and not with_gallium_etnaviv
208 error('IMX driver requires etnaviv driver')
210 if with_gallium_pl111 and not with_gallium_vc4
211 error('pl111 driver requires vc4 driver')
213 if with_gallium_tegra and not with_gallium_nouveau
214 error('tegra driver requires nouveau driver')
217 if host_machine.system() == 'darwin'
218 with_dri_platform = 'apple'
219 elif ['windows', 'cygwin'].contains(host_machine.system())
220 with_dri_platform = 'windows'
221 elif system_has_kms_drm
222 with_dri_platform = 'drm'
224 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
225 # assert here that one of those cases has been met.
226 # FIXME: GNU (hurd) ends up here as well, but meson doesn't officially
227 # support Hurd at time of writing (2017/11)
228 # FIXME: illumos ends up here as well
229 with_dri_platform = 'none'
232 _platforms = get_option('platforms')
233 if _platforms.contains('auto')
234 if system_has_kms_drm
235 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
236 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
237 _platforms = ['x11', 'surfaceless']
238 elif ['haiku'].contains(host_machine.system())
239 _platforms = ['haiku']
241 error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
242 host_machine.system()))
246 with_platform_android = _platforms.contains('android')
247 with_platform_x11 = _platforms.contains('x11')
248 with_platform_wayland = _platforms.contains('wayland')
249 with_platform_drm = _platforms.contains('drm')
250 with_platform_haiku = _platforms.contains('haiku')
251 with_platform_surfaceless = _platforms.contains('surfaceless')
253 with_platforms = false
254 if _platforms.length() != 0 and _platforms != ['']
255 with_platforms = true
256 egl_native_platform = _platforms[0]
259 _xlib_lease = get_option('xlib-lease')
260 if _xlib_lease == 'auto'
261 with_xlib_lease = with_platform_x11 and with_platform_drm
263 with_xlib_lease = _xlib_lease == 'true'
266 with_glx = get_option('glx')
267 if with_glx == 'auto'
270 elif with_platform_haiku
271 with_glx = 'disabled'
273 # Even when building just gallium drivers the user probably wants dri
275 elif with_platform_x11 and with_any_opengl and not with_any_vk
276 # The automatic behavior should not be to turn on xlib based glx when
277 # building only vulkan drivers
280 with_glx = 'disabled'
289 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
293 with_any_opengl = false
294 with_shared_glapi = false
297 _gbm = get_option('gbm')
299 with_gbm = system_has_kms_drm and with_dri
301 with_gbm = _gbm == 'true'
303 if with_gbm and not system_has_kms_drm
304 error('GBM only supports DRM/KMS platforms')
307 _egl = get_option('egl')
310 not ['darwin', 'windows'].contains(host_machine.system()) and
311 with_dri and with_shared_glapi and with_platforms
315 error('EGL requires dri')
316 elif not with_shared_glapi
317 error('EGL requires shared-glapi')
318 elif not with_platforms
319 error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
320 elif not ['disabled', 'dri'].contains(with_glx)
321 error('EGL requires dri, but a GLX is being built without dri')
322 elif ['darwin', 'windows'].contains(host_machine.system())
323 error('EGL is not available on Windows or MacOS')
330 if with_egl and not (with_platform_drm or with_platform_surfaceless)
331 if with_gallium_radeonsi
332 error('RadeonSI requires drm or surfaceless platform when using EGL')
334 if with_gallium_virgl
335 error('Virgl requires drm or surfaceless platform when using EGL')
339 pre_args += '-DGLX_USE_TLS'
340 if with_glx != 'disabled'
341 if not (with_platform_x11 and with_any_opengl)
342 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
343 elif with_glx == 'gallium-xlib'
345 error('Gallium-xlib based GLX requires at least one gallium driver')
346 elif not with_gallium_softpipe
347 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
349 error('gallium-xlib conflicts with any dri driver')
351 elif with_glx == 'xlib'
353 error('xlib conflicts with any dri driver')
355 elif with_glx == 'dri'
357 error('dri based GLX requires at least one DRI driver')
358 elif not with_shared_glapi
359 error('dri based GLX requires shared-glapi')
364 with_glvnd = get_option('glvnd')
366 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
367 error('Cannot build glvnd support for GLX that is not DRI based.')
368 elif with_glx == 'disabled' and not with_egl
369 error('glvnd requires DRI based GLX and/or EGL')
373 # TODO: toggle for this
374 with_glx_direct = true
376 if with_vulkan_icd_dir == ''
377 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
380 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
381 _dri3 = get_option('dri3')
383 with_dri3 = system_has_kms_drm and with_dri2
385 with_dri3 = _dri3 == 'true'
388 if with_any_vk and (with_platform_x11 and not with_dri3)
389 error('Vulkan drivers require dri3 for X11 support')
391 if with_dri or with_gallium
392 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
393 error('building dri or gallium drivers require at least one window system')
397 prog_pkgconfig = find_program('pkg-config')
399 _vdpau = get_option('gallium-vdpau')
400 if not system_has_kms_drm
402 error('VDPAU state tracker can only be build on unix-like OSes.')
406 elif not with_platform_x11
408 error('VDPAU state tracker requires X11 support.')
412 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
413 with_gallium_nouveau)
415 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
421 with_gallium_vdpau = false
423 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
425 dep_vdpau = declare_dependency(
426 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
428 with_gallium_vdpau = true
432 if with_gallium_vdpau
433 pre_args += '-DHAVE_ST_VDPAU'
435 vdpau_drivers_path = get_option('vdpau-libs-path')
436 if vdpau_drivers_path == ''
437 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
440 _xvmc = get_option('gallium-xvmc')
441 if not system_has_kms_drm
443 error('XVMC state tracker can only be build on unix-like OSes.')
447 elif not with_platform_x11
449 error('XVMC state tracker requires X11 support.')
453 elif not (with_gallium_r600 or with_gallium_nouveau)
455 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
461 with_gallium_xvmc = false
463 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
464 with_gallium_xvmc = dep_xvmc.found()
467 xvmc_drivers_path = get_option('xvmc-libs-path')
468 if xvmc_drivers_path == ''
469 xvmc_drivers_path = get_option('libdir')
472 _omx = get_option('gallium-omx')
473 if not system_has_kms_drm
474 if ['auto', 'disabled'].contains(_omx)
477 error('OMX state tracker can only be built on unix-like OSes.')
479 elif not (with_platform_x11 or with_platform_drm)
480 if ['auto', 'disabled'].contains(_omx)
483 error('OMX state tracker requires X11 or drm platform support.')
485 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
486 if ['auto', 'disabled'].contains(_omx)
489 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
492 with_gallium_omx = _omx
495 if ['auto', 'bellagio'].contains(_omx)
496 dep_omx = dependency(
497 'libomxil-bellagio', required : _omx == 'bellagio'
500 with_gallium_omx = 'bellagio'
503 if ['auto', 'tizonia'].contains(_omx)
504 if with_dri and with_egl
505 dep_omx = dependency(
506 'libtizonia', version : '>= 0.10.0',
507 required : _omx == 'tizonia',
510 dependency('libtizplatform', required : _omx == 'tizonia'),
511 dependency('tizilheaders', required : _omx == 'tizonia'),
513 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
514 with_gallium_omx = 'tizonia'
516 elif _omx == 'tizonia'
517 error('OMX-Tizonia state tracker requires dri and egl')
521 with_gallium_omx = 'disabled'
523 with_gallium_omx = _omx
527 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
528 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
532 omx_drivers_path = get_option('omx-libs-path')
534 if with_gallium_omx != 'disabled'
535 # Figure out where to put the omx driver.
536 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
537 # argument to meson's get_pkgconfig_variable method.
538 if omx_drivers_path == ''
539 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
540 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
541 if _omx_libdir == get_option('libdir')
542 omx_drivers_path = _omx_drivers_dir
545 # This will fail on windows. Does OMX run on windows?
546 _omx_libdir = _omx_libdir.split('/')
547 _omx_drivers_dir = _omx_drivers_dir.split('/')
548 foreach o : _omx_drivers_dir
549 if not _omx_libdir.contains(o)
553 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
558 _va = get_option('gallium-va')
559 if not system_has_kms_drm
561 error('VA state tracker can only be built on unix-like OSes.')
565 elif not (with_platform_x11 or with_platform_drm)
567 error('VA state tracker requires X11 or drm or wayland platform support.')
571 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
573 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
578 with_gallium_va = false
581 dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
583 dep_va_headers = declare_dependency(
584 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
586 with_gallium_va = true
590 va_drivers_path = get_option('va-libs-path')
591 if va_drivers_path == ''
592 va_drivers_path = join_paths(get_option('libdir'), 'dri')
595 _xa = get_option('gallium-xa')
596 if not system_has_kms_drm
598 error('XA state tracker can only be built on unix-like OSes.')
602 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
603 or with_gallium_svga)
605 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
610 with_gallium_xa = _xa != 'false'
612 d3d_drivers_path = get_option('d3d-drivers-path')
613 if d3d_drivers_path == ''
614 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
617 with_gallium_st_nine = get_option('gallium-nine')
618 if with_gallium_st_nine
619 if not with_gallium_softpipe
620 error('The nine state tracker requires gallium softpipe/llvmpipe.')
621 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
622 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
623 error('The nine state tracker requires at least on non-swrast gallium driver.')
626 error('Using nine with wine requires dri3')
630 if get_option('power8') != 'false'
631 if host_machine.cpu_family() == 'ppc64le'
632 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
633 error('Altivec is not supported with gcc version < 4.8.')
638 vector unsigned char r;
639 vector unsigned int v = vec_splat_u32 (1);
640 r = __builtin_vec_vgbbd ((vector unsigned char) v);
643 args : '-mpower8-vector',
644 name : 'POWER8 intrinsics')
645 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
646 elif get_option('power8') == 'true'
647 error('POWER8 intrinsic support required but not found.')
652 _opencl = get_option('gallium-opencl')
653 if _opencl != 'disabled'
655 error('OpenCL Clover implementation requires at least one gallium driver.')
658 dep_clc = dependency('libclc')
659 with_gallium_opencl = true
660 with_opencl_icd = _opencl == 'icd'
663 with_gallium_opencl = false
664 with_gallium_icd = false
667 gl_pkgconfig_c_flags = []
669 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
670 pre_args += '-DHAVE_X11_PLATFORM'
672 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
673 pre_args += '-DUSE_XSHM'
675 pre_args += '-DGLX_INDIRECT_RENDERING'
677 pre_args += '-DGLX_DIRECT_RENDERING'
679 if with_dri_platform == 'drm'
680 pre_args += '-DGLX_USE_DRM'
681 elif with_dri_platform == 'apple'
682 pre_args += '-DGLX_USE_APPLEGL'
683 elif with_dri_platform == 'windows'
684 pre_args += '-DGLX_USE_WINDOWSGL'
688 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
689 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
692 if with_egl and not with_gbm
693 error('EGL drm platform requires gbm')
695 pre_args += '-DHAVE_DRM_PLATFORM'
697 if with_platform_surfaceless
698 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
700 if with_platform_android
702 dependency('cutils'),
703 dependency('hardware'),
706 pre_args += '-DHAVE_ANDROID_PLATFORM'
708 if with_platform_haiku
709 pre_args += '-DHAVE_HAIKU_PLATFORM'
712 prog_python = import('python3').find_python()
713 has_mako = run_command(
716 from distutils.version import StrictVersion
718 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
720 if has_mako.returncode() != 0
721 error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
724 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
725 error('When using GCC, version 4.4.6 or later is required.')
728 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
729 if get_option('buildtype') == 'debug'
730 pre_args += '-DDEBUG'
733 if get_option('shader-cache')
734 pre_args += '-DENABLE_SHADER_CACHE'
736 error('Radv requires shader cache support')
739 # Check for GCC style builtins
740 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
741 'ffsll', 'popcount', 'popcountll', 'unreachable']
742 if cc.has_function(b)
743 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
747 # check for GCC __attribute__
748 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
749 'warn_unused_result', 'weak',]
750 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
751 name : '__attribute__((@0@))'.format(a))
752 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
755 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
756 name : '__attribute__((format(...)))')
757 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
759 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
760 name : '__attribute__((packed))')
761 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
763 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
764 name : '__attribute__((returns_nonnull))')
765 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
767 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
768 int foo_hid(void) __attribute__((visibility("hidden")));
769 int foo_int(void) __attribute__((visibility("internal")));
770 int foo_pro(void) __attribute__((visibility("protected")));''',
771 name : '__attribute__((visibility(...)))')
772 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
774 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
775 name : '__attribute__((alias(...)))')
776 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
778 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
779 name : '__attribute__((__noreturn__))')
780 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
783 # TODO: this is very incomplete
784 if ['linux', 'cygwin'].contains(host_machine.system())
785 pre_args += '-D_GNU_SOURCE'
788 # Check for generic C arguments
790 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
791 '-Werror=missing-prototypes', '-Werror=return-type',
793 '-fno-trapping-math', '-Qunused-arguments']
794 if cc.has_argument(a)
799 foreach a : ['missing-field-initializers', 'format-truncation']
800 if cc.has_argument('-W' + a)
801 c_args += '-Wno-' + a
806 if cc.has_argument('-fvisibility=hidden')
807 c_vis_args += '-fvisibility=hidden'
810 # Check for generic C++ arguments
812 foreach a : ['-Wall', '-Werror=return-type',
813 '-fno-math-errno', '-fno-trapping-math',
814 '-Qunused-arguments']
815 if cpp.has_argument(a)
820 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
821 # option is not supported. Hence, check for -Wfoo instead.
823 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
824 if cpp.has_argument('-W' + a)
825 cpp_args += '-Wno-' + a
829 no_override_init_args = []
830 foreach a : ['override-init', 'initializer-overrides']
831 if cc.has_argument('-W' + a)
832 no_override_init_args += '-Wno-' + a
837 if cpp.has_argument('-fvisibility=hidden')
838 cpp_vis_args += '-fvisibility=hidden'
841 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
842 # in parts of the mesa code base that need to compile with old versions of
843 # MSVC, mainly common code
844 c_msvc_compat_args = []
845 cpp_msvc_compat_args = []
846 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
847 if cc.has_argument(a)
848 c_msvc_compat_args += a
850 if cpp.has_argument(a)
851 cpp_msvc_compat_args += a
855 if host_machine.cpu_family().startswith('x86')
856 pre_args += '-DUSE_SSE41'
858 sse41_args = ['-msse4.1']
860 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
861 # that's not guaranteed
862 if host_machine.cpu_family() == 'x86'
863 sse41_args += '-mstackrealign'
870 # Check for GCC style atomics
871 dep_atomic = null_dep
873 if cc.compiles('''#include <stdint.h>
878 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
879 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
882 name : 'GCC atomic builtins')
883 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
885 # Not all atomic calls can be turned into lock-free instructions, in which
886 # GCC will make calls into the libatomic library. Check whether we need to
887 # link with -latomic.
889 # This can happen for 64-bit atomic operations on 32-bit architectures such
891 if not cc.links('''#include <stdint.h>
896 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
897 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
899 name : 'GCC atomic builtins required -latomic')
900 dep_atomic = cc.find_library('atomic')
903 if not cc.links('''#include <stdint.h>
906 return __sync_add_and_fetch(&v, (uint64_t)1);
908 name : 'GCC 64bit atomics')
909 pre_args += '-DMISSING_64_BIT_ATOMICS'
912 # TODO: shared/static? Is this even worth doing?
914 # When cross compiling we generally need to turn off the use of assembly,
915 # because mesa's assembly relies on building an executable for the host system,
916 # and running it to get information about struct sizes. There is at least one
917 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
918 # host OS == build OS, since in that case the build machine can run the host's
920 if meson.is_cross_build()
921 if build_machine.system() != host_machine.system()
922 # TODO: It may be possible to do this with an exe_wrapper (like wine).
923 message('Cross compiling from one OS to another, disabling assembly.')
925 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
926 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
927 # x86 -> x86 cross compile. We use startswith rather than == to handle this
929 # TODO: There may be other cases where the 64 bit version of the
930 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
932 Cross compiling to different architectures, and the host cannot run
933 the build machine's binaries. Disabling assembly.
941 if host_machine.cpu_family() == 'x86'
942 if system_has_kms_drm
943 with_asm_arch = 'x86'
944 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
947 if with_glx_read_only_text
948 pre_args += ['-DGLX_X86_READONLY_TEXT']
951 elif host_machine.cpu_family() == 'x86_64'
952 if system_has_kms_drm
953 with_asm_arch = 'x86_64'
954 pre_args += ['-DUSE_X86_64_ASM']
956 elif host_machine.cpu_family() == 'arm'
957 if system_has_kms_drm
958 with_asm_arch = 'arm'
959 pre_args += ['-DUSE_ARM_ASM']
961 elif host_machine.cpu_family() == 'aarch64'
962 if system_has_kms_drm
963 with_asm_arch = 'aarch64'
964 pre_args += ['-DUSE_AARCH64_ASM']
966 elif host_machine.cpu_family() == 'sparc64'
967 if system_has_kms_drm
968 with_asm_arch = 'sparc'
969 pre_args += ['-DUSE_SPARC_ASM']
971 elif host_machine.cpu_family() == 'ppc64le'
972 if system_has_kms_drm
973 with_asm_arch = 'ppc64le'
974 pre_args += ['-DUSE_PPC64LE_ASM']
979 # Check for standard headers and functions
980 if cc.has_header_symbol('sys/sysmacros.h', 'major')
981 pre_args += '-DMAJOR_IN_SYSMACROS'
982 elif cc.has_header_symbol('sys/mkdev.h', 'major')
983 pre_args += '-DMAJOR_IN_MKDEV'
986 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
987 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
988 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
992 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
993 if cc.has_function(f)
994 pre_args += '-DHAVE_@0@'.format(f.to_upper())
998 # strtod locale support
1003 #ifdef HAVE_XLOCALE_H
1004 #include <xlocale.h>
1007 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1008 const char *s = "1.0";
1010 double d = strtod_l(s, end, loc);
1011 float f = strtof_l(s, end, loc);
1016 name : 'strtod has locale support')
1017 pre_args += '-DHAVE_STRTOD_L'
1020 # Check for some linker flags
1021 ld_args_bsymbolic = []
1022 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1023 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1025 ld_args_gc_sections = []
1026 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1027 args : '-Wl,--gc-sections', name : 'gc-sections')
1028 ld_args_gc_sections += '-Wl,--gc-sections'
1030 with_ld_version_script = false
1031 if cc.links('int main() { return 0; }',
1032 args : '-Wl,--version-script=@0@'.format(
1033 join_paths(meson.source_root(), 'build-support/conftest.map')),
1034 name : 'version-script')
1035 with_ld_version_script = true
1037 with_ld_dynamic_list = false
1038 if cc.links('int main() { return 0; }',
1039 args : '-Wl,--dynamic-list=@0@'.format(
1040 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1041 name : 'dynamic-list')
1042 with_ld_dynamic_list = true
1044 ld_args_build_id = []
1045 if build_machine.system() != 'darwin'
1046 ld_args_build_id += '-Wl,--build-id=sha1'
1049 # check for dl support
1050 if cc.has_function('dlopen')
1053 dep_dl = cc.find_library('dl')
1055 if cc.has_function('dladdr', dependencies : dep_dl)
1056 # This is really only required for megadrivers
1057 pre_args += '-DHAVE_DLADDR'
1060 if cc.has_function('dl_iterate_phdr')
1061 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1063 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1064 elif with_dri_i965 and get_option('shader-cache')
1065 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1068 # Determine whether or not the rt library is needed for time functions
1069 if cc.has_function('clock_gettime')
1070 dep_clock = null_dep
1072 dep_clock = cc.find_library('rt')
1075 # TODO: some of these may be conditional
1076 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1077 pre_args += '-DHAVE_ZLIB'
1078 dep_thread = dependency('threads')
1079 if dep_thread.found() and host_machine.system() != 'windows'
1080 pre_args += '-DHAVE_PTHREAD'
1082 'pthread_setaffinity_np',
1083 dependencies : dep_thread,
1084 prefix : '#include <pthread.h>',
1085 args : '-D_GNU_SOURCE')
1086 pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1089 dep_expat = dependency('expat')
1090 # this only exists on linux so either this is linux and it will be found, or
1091 # its not linux and and wont
1092 dep_m = cc.find_library('m', required : false)
1094 # Check for libdrm. various drivers have different libdrm version requirements,
1095 # but we always want to use the same version for all libdrm modules. That means
1096 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1097 # bar are both on use 2.4.3 for both of them
1098 dep_libdrm_amdgpu = null_dep
1099 dep_libdrm_radeon = null_dep
1100 dep_libdrm_nouveau = null_dep
1101 dep_libdrm_etnaviv = null_dep
1102 dep_libdrm_intel = null_dep
1104 _drm_amdgpu_ver = '2.4.95'
1105 _drm_radeon_ver = '2.4.71'
1106 _drm_nouveau_ver = '2.4.66'
1107 _drm_etnaviv_ver = '2.4.89'
1108 _drm_intel_ver = '2.4.75'
1112 ['intel', with_dri_i915 or with_gallium_i915],
1113 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1114 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1115 with_gallium_r300 or with_gallium_r600)],
1116 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1117 ['etnaviv', with_gallium_etnaviv],
1120 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1126 # Loop over the enables versions and get the highest libdrm requirement for all
1129 foreach d : _libdrm_checks
1130 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1131 if d[1] and ver.version_compare('>' + _drm_ver)
1137 message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1140 # Then get each libdrm module
1141 foreach d : _libdrm_checks
1144 'dep_libdrm_' + d[0],
1145 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1150 with_gallium_drisw_kms = false
1151 dep_libdrm = dependency(
1152 'libdrm', version : '>=' + _drm_ver,
1153 required : with_dri2 or with_dri3
1155 if dep_libdrm.found()
1156 pre_args += '-DHAVE_LIBDRM'
1157 if with_dri_platform == 'drm' and with_dri
1158 with_gallium_drisw_kms = true
1162 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1163 llvm_optional_modules = []
1164 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1165 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1166 if with_gallium_r600
1167 llvm_modules += 'asmparser'
1170 if with_gallium_opencl
1172 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1173 'lto', 'option', 'objcarcopts', 'profiledata',
1175 llvm_optional_modules += ['coroutines']
1178 if with_amd_vk or with_gallium_radeonsi
1179 _llvm_version = '>= 6.0.0'
1180 elif with_gallium_swr
1181 _llvm_version = '>= 6.0.0'
1182 elif with_gallium_opencl or with_gallium_r600
1183 _llvm_version = '>= 3.9.0'
1185 _llvm_version = '>= 3.3.0'
1188 _shared_llvm = get_option('shared-llvm')
1190 _llvm = get_option('llvm')
1194 dep_llvm = dependency(
1196 version : _llvm_version,
1197 modules : llvm_modules,
1198 optional_modules : llvm_optional_modules,
1200 with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1201 with_gallium_opencl or _llvm == 'true'
1203 static : not _shared_llvm,
1205 with_llvm = dep_llvm.found()
1208 _llvm_version = dep_llvm.version().split('.')
1210 # 3 digits versions in LLVM only started from 3.4.1 on
1211 if dep_llvm.version().version_compare('>= 3.4.1')
1212 _llvm_patch = _llvm_version[2]
1218 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1219 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1222 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1223 # programs, so we need to build all C++ code in mesa without rtti as well to
1224 # ensure that linking works.
1225 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1226 cpp_args += '-fno-rtti'
1228 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1229 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1232 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1233 (with_gallium_r600 and with_llvm))
1234 dep_elf = dependency('libelf', required : false)
1235 if not dep_elf.found()
1236 dep_elf = cc.find_library('elf')
1242 dep_glvnd = null_dep
1244 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1245 pre_args += '-DUSE_LIBGLVND=1'
1248 if with_valgrind != 'false'
1249 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1250 if dep_valgrind.found()
1251 pre_args += '-DHAVE_VALGRIND'
1254 dep_valgrind = null_dep
1257 # pthread stubs. Lets not and say we didn't
1259 prog_bison = find_program('bison', required : with_any_opengl)
1260 prog_flex = find_program('flex', required : with_any_opengl)
1262 dep_selinux = null_dep
1263 if get_option('selinux')
1264 dep_selinux = dependency('libselinux')
1265 pre_args += '-DMESA_SELINUX'
1268 if with_libunwind != 'false'
1269 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1270 if dep_unwind.found()
1271 pre_args += '-DHAVE_LIBUNWIND'
1274 dep_unwind = null_dep
1277 if with_osmesa != 'none'
1278 if with_osmesa == 'classic' and not with_dri_swrast
1279 error('OSMesa classic requires dri (classic) swrast.')
1281 if with_osmesa == 'gallium' and not with_gallium_softpipe
1282 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1284 osmesa_lib_name = 'OSMesa'
1285 osmesa_bits = get_option('osmesa-bits')
1286 if osmesa_bits != '8'
1287 if with_dri or with_glx != 'disabled'
1288 error('OSMesa bits must be 8 if building glx or dir based drivers')
1290 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1292 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1297 # TODO: symbol mangling
1299 if with_platform_wayland
1300 dep_wl_scanner = dependency('wayland-scanner', native: true)
1301 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1302 if dep_wl_scanner.version().version_compare('>= 1.15')
1303 wl_scanner_arg = 'private-code'
1305 wl_scanner_arg = 'code'
1307 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1308 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1309 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1311 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1312 dep_wayland_egl_headers = declare_dependency(
1313 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1315 wayland_dmabuf_xml = join_paths(
1316 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1317 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1319 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1321 prog_wl_scanner = []
1323 dep_wl_protocols = null_dep
1324 dep_wayland_client = null_dep
1325 dep_wayland_server = null_dep
1326 wayland_dmabuf_xml = ''
1331 dep_xdamage = null_dep
1332 dep_xfixes = null_dep
1333 dep_x11_xcb = null_dep
1335 dep_xcb_glx = null_dep
1336 dep_xcb_dri2 = null_dep
1337 dep_xcb_dri3 = null_dep
1338 dep_dri2proto = null_dep
1339 dep_glproto = null_dep
1340 dep_xxf86vm = null_dep
1341 dep_xcb_dri3 = null_dep
1342 dep_xcb_present = null_dep
1343 dep_xcb_sync = null_dep
1344 dep_xcb_xfixes = null_dep
1345 dep_xshmfence = null_dep
1346 dep_xcb_xrandr = null_dep
1347 dep_xlib_xrandr = null_dep
1348 if with_platform_x11
1349 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1350 dep_x11 = dependency('x11')
1351 dep_xext = dependency('xext')
1352 dep_xcb = dependency('xcb')
1353 elif with_glx == 'dri'
1354 dep_x11 = dependency('x11')
1355 dep_xext = dependency('xext')
1356 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1357 dep_xfixes = dependency('xfixes')
1358 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1359 dep_xxf86vm = dependency('xxf86vm', required : false)
1361 if (with_any_vk or with_glx == 'dri' or
1362 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1363 with_gallium_omx != 'disabled'))
1364 dep_xcb = dependency('xcb')
1365 dep_x11_xcb = dependency('x11-xcb')
1367 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1368 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1371 pre_args += '-DHAVE_DRI3'
1372 dep_xcb_dri3 = dependency('xcb-dri3')
1373 dep_xcb_present = dependency('xcb-present')
1374 # until xcb-dri3 has been around long enough to make a hard-dependency:
1375 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1376 dep_xcb_present.version().version_compare('>= 1.13'))
1377 pre_args += '-DHAVE_DRI3_MODIFIERS'
1379 dep_xcb_sync = dependency('xcb-sync')
1380 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1383 if with_glx == 'dri'
1384 if with_dri_platform == 'drm'
1385 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1387 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1390 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1391 with_gallium_omx != 'disabled'))
1392 dep_xcb_xfixes = dependency('xcb-xfixes')
1395 dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1396 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1400 if get_option('gallium-extra-hud')
1401 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1404 _sensors = get_option('lmsensors')
1405 if _sensors != 'false'
1406 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1407 if dep_lmsensors.found()
1408 pre_args += '-DHAVE_LIBSENSORS=1'
1411 dep_lmsensors = null_dep
1414 foreach a : pre_args
1415 add_project_arguments(a, language : ['c', 'cpp'])
1418 add_project_arguments(a, language : ['c'])
1420 foreach a : cpp_args
1421 add_project_arguments(a, language : ['cpp'])
1424 inc_include = include_directories('include')
1428 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1429 gl_priv_reqs += ['x11', 'xext', 'xcb']
1430 elif with_glx == 'dri'
1432 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1434 if with_dri_platform == 'drm'
1435 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1438 if dep_libdrm.found()
1439 gl_priv_reqs += 'libdrm >= 2.4.75'
1441 if dep_xxf86vm.found()
1442 gl_priv_reqs += 'xxf86vm'
1446 if dep_thread.found()
1447 gl_priv_libs += ['-lpthread', '-pthread']
1450 gl_priv_libs += '-lm'
1453 gl_priv_libs += '-ldl'
1456 pkg = import('pkgconfig')
1458 env_test = environment()
1459 env_test.set('NM', find_program('nm').path())