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', '-fno-math-errno',
792 '-fno-trapping-math', '-Qunused-arguments']
793 if cc.has_argument(a)
798 foreach a : ['missing-field-initializers', 'format-truncation']
799 if cc.has_argument('-W' + a)
800 c_args += '-Wno-' + a
805 if cc.has_argument('-fvisibility=hidden')
806 c_vis_args += '-fvisibility=hidden'
809 # Check for generic C++ arguments
811 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
812 '-Qunused-arguments']
813 if cpp.has_argument(a)
818 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
819 # option is not supported. Hence, check for -Wfoo instead.
821 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
822 if cpp.has_argument('-W' + a)
823 cpp_args += '-Wno-' + a
827 no_override_init_args = []
828 foreach a : ['override-init', 'initializer-overrides']
829 if cc.has_argument('-W' + a)
830 no_override_init_args += '-Wno-' + a
835 if cpp.has_argument('-fvisibility=hidden')
836 cpp_vis_args += '-fvisibility=hidden'
839 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
840 # in parts of the mesa code base that need to compile with old versions of
841 # MSVC, mainly common code
842 c_msvc_compat_args = []
843 cpp_msvc_compat_args = []
844 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
845 if cc.has_argument(a)
846 c_msvc_compat_args += a
848 if cpp.has_argument(a)
849 cpp_msvc_compat_args += a
853 if host_machine.cpu_family().startswith('x86')
854 pre_args += '-DUSE_SSE41'
856 sse41_args = ['-msse4.1']
858 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
859 # that's not guaranteed
860 if host_machine.cpu_family() == 'x86'
861 sse41_args += '-mstackrealign'
868 # Check for GCC style atomics
869 dep_atomic = null_dep
871 if cc.compiles('''#include <stdint.h>
876 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
877 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
880 name : 'GCC atomic builtins')
881 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
883 # Not all atomic calls can be turned into lock-free instructions, in which
884 # GCC will make calls into the libatomic library. Check whether we need to
885 # link with -latomic.
887 # This can happen for 64-bit atomic operations on 32-bit architectures such
889 if not cc.links('''#include <stdint.h>
894 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
895 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
897 name : 'GCC atomic builtins required -latomic')
898 dep_atomic = cc.find_library('atomic')
901 if not cc.links('''#include <stdint.h>
904 return __sync_add_and_fetch(&v, (uint64_t)1);
906 name : 'GCC 64bit atomics')
907 pre_args += '-DMISSING_64_BIT_ATOMICS'
910 # TODO: shared/static? Is this even worth doing?
912 # When cross compiling we generally need to turn off the use of assembly,
913 # because mesa's assembly relies on building an executable for the host system,
914 # and running it to get information about struct sizes. There is at least one
915 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
916 # host OS == build OS, since in that case the build machine can run the host's
918 if meson.is_cross_build()
919 if build_machine.system() != host_machine.system()
920 # TODO: It may be possible to do this with an exe_wrapper (like wine).
921 message('Cross compiling from one OS to another, disabling assembly.')
923 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
924 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
925 # x86 -> x86 cross compile. We use startswith rather than == to handle this
927 # TODO: There may be other cases where the 64 bit version of the
928 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
930 Cross compiling to different architectures, and the host cannot run
931 the build machine's binaries. Disabling assembly.
939 if host_machine.cpu_family() == 'x86'
940 if system_has_kms_drm
941 with_asm_arch = 'x86'
942 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
945 if with_glx_read_only_text
946 pre_args += ['-DGLX_X86_READONLY_TEXT']
949 elif host_machine.cpu_family() == 'x86_64'
950 if system_has_kms_drm
951 with_asm_arch = 'x86_64'
952 pre_args += ['-DUSE_X86_64_ASM']
954 elif host_machine.cpu_family() == 'arm'
955 if system_has_kms_drm
956 with_asm_arch = 'arm'
957 pre_args += ['-DUSE_ARM_ASM']
959 elif host_machine.cpu_family() == 'aarch64'
960 if system_has_kms_drm
961 with_asm_arch = 'aarch64'
962 pre_args += ['-DUSE_AARCH64_ASM']
964 elif host_machine.cpu_family() == 'sparc64'
965 if system_has_kms_drm
966 with_asm_arch = 'sparc'
967 pre_args += ['-DUSE_SPARC_ASM']
969 elif host_machine.cpu_family() == 'ppc64le'
970 if system_has_kms_drm
971 with_asm_arch = 'ppc64le'
972 pre_args += ['-DUSE_PPC64LE_ASM']
977 # Check for standard headers and functions
978 if cc.has_header_symbol('sys/sysmacros.h', 'major')
979 pre_args += '-DMAJOR_IN_SYSMACROS'
980 elif cc.has_header_symbol('sys/mkdev.h', 'major')
981 pre_args += '-DMAJOR_IN_MKDEV'
984 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
985 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
986 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
990 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
991 if cc.has_function(f)
992 pre_args += '-DHAVE_@0@'.format(f.to_upper())
996 # strtod locale support
1001 #ifdef HAVE_XLOCALE_H
1002 #include <xlocale.h>
1005 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1006 const char *s = "1.0";
1008 double d = strtod_l(s, end, loc);
1009 float f = strtof_l(s, end, loc);
1014 name : 'strtod has locale support')
1015 pre_args += '-DHAVE_STRTOD_L'
1018 # Check for some linker flags
1019 ld_args_bsymbolic = []
1020 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1021 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1023 ld_args_gc_sections = []
1024 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1025 args : '-Wl,--gc-sections', name : 'gc-sections')
1026 ld_args_gc_sections += '-Wl,--gc-sections'
1028 with_ld_version_script = false
1029 if cc.links('int main() { return 0; }',
1030 args : '-Wl,--version-script=@0@'.format(
1031 join_paths(meson.source_root(), 'build-support/conftest.map')),
1032 name : 'version-script')
1033 with_ld_version_script = true
1035 with_ld_dynamic_list = false
1036 if cc.links('int main() { return 0; }',
1037 args : '-Wl,--dynamic-list=@0@'.format(
1038 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1039 name : 'dynamic-list')
1040 with_ld_dynamic_list = true
1042 ld_args_build_id = []
1043 if build_machine.system() != 'darwin'
1044 ld_args_build_id += '-Wl,--build-id=sha1'
1047 # check for dl support
1048 if cc.has_function('dlopen')
1051 dep_dl = cc.find_library('dl')
1053 if cc.has_function('dladdr', dependencies : dep_dl)
1054 # This is really only required for megadrivers
1055 pre_args += '-DHAVE_DLADDR'
1058 if cc.has_function('dl_iterate_phdr')
1059 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1061 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1062 elif with_dri_i965 and get_option('shader-cache')
1063 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1066 # Determine whether or not the rt library is needed for time functions
1067 if cc.has_function('clock_gettime')
1068 dep_clock = null_dep
1070 dep_clock = cc.find_library('rt')
1073 # TODO: some of these may be conditional
1074 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1075 pre_args += '-DHAVE_ZLIB'
1076 dep_thread = dependency('threads')
1077 if dep_thread.found() and host_machine.system() != 'windows'
1078 pre_args += '-DHAVE_PTHREAD'
1080 'pthread_setaffinity_np',
1081 dependencies : dep_thread,
1082 prefix : '#include <pthread.h>',
1083 args : '-D_GNU_SOURCE')
1084 pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1087 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1088 dep_elf = dependency('libelf', required : false)
1089 if not dep_elf.found()
1090 dep_elf = cc.find_library('elf')
1095 dep_expat = dependency('expat')
1096 # this only exists on linux so either this is linux and it will be found, or
1097 # its not linux and and wont
1098 dep_m = cc.find_library('m', required : false)
1100 # Check for libdrm. various drivers have different libdrm version requirements,
1101 # but we always want to use the same version for all libdrm modules. That means
1102 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1103 # bar are both on use 2.4.3 for both of them
1104 dep_libdrm_amdgpu = null_dep
1105 dep_libdrm_radeon = null_dep
1106 dep_libdrm_nouveau = null_dep
1107 dep_libdrm_etnaviv = null_dep
1108 dep_libdrm_freedreno = null_dep
1109 dep_libdrm_intel = null_dep
1111 _drm_amdgpu_ver = '2.4.93'
1112 _drm_radeon_ver = '2.4.71'
1113 _drm_nouveau_ver = '2.4.66'
1114 _drm_etnaviv_ver = '2.4.89'
1115 _drm_freedreno_ver = '2.4.96'
1116 _drm_intel_ver = '2.4.75'
1120 ['intel', with_dri_i915 or with_gallium_i915],
1121 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1122 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1123 with_gallium_r300 or with_gallium_r600)],
1124 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1125 ['etnaviv', with_gallium_etnaviv],
1126 ['freedreno', with_gallium_freedreno],
1129 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1135 # Loop over the enables versions and get the highest libdrm requirement for all
1138 foreach d : _libdrm_checks
1139 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1140 if d[1] and ver.version_compare('>' + _drm_ver)
1146 message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1149 # Then get each libdrm module
1150 foreach d : _libdrm_checks
1153 'dep_libdrm_' + d[0],
1154 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1159 with_gallium_drisw_kms = false
1160 dep_libdrm = dependency(
1161 'libdrm', version : '>=' + _drm_ver,
1162 required : with_dri2 or with_dri3
1164 if dep_libdrm.found()
1165 pre_args += '-DHAVE_LIBDRM'
1166 if with_dri_platform == 'drm' and with_dri
1167 with_gallium_drisw_kms = true
1171 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1172 llvm_optional_modules = []
1173 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1174 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1175 if with_gallium_r600
1176 llvm_modules += 'asmparser'
1179 if with_gallium_opencl
1181 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1182 'lto', 'option', 'objcarcopts', 'profiledata',
1184 llvm_optional_modules += ['coroutines']
1187 if with_amd_vk or with_gallium_radeonsi
1188 _llvm_version = '>= 6.0.0'
1189 elif with_gallium_swr
1190 _llvm_version = '>= 6.0.0'
1191 elif with_gallium_opencl or with_gallium_r600
1192 _llvm_version = '>= 3.9.0'
1194 _llvm_version = '>= 3.3.0'
1197 _shared_llvm = get_option('shared-llvm')
1199 _llvm = get_option('llvm')
1203 dep_llvm = dependency(
1205 version : _llvm_version,
1206 modules : llvm_modules,
1207 optional_modules : llvm_optional_modules,
1209 with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1210 with_gallium_opencl or _llvm == 'true'
1212 static : not _shared_llvm,
1214 with_llvm = dep_llvm.found()
1217 _llvm_version = dep_llvm.version().split('.')
1219 # 3 digits versions in LLVM only started from 3.4.1 on
1220 if dep_llvm.version().version_compare('>= 3.4.1')
1221 _llvm_patch = _llvm_version[2]
1227 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1228 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1231 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1232 # programs, so we need to build all C++ code in mesa without rtti as well to
1233 # ensure that linking works.
1234 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1235 cpp_args += '-fno-rtti'
1237 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1238 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1241 dep_glvnd = null_dep
1243 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1244 pre_args += '-DUSE_LIBGLVND=1'
1247 if with_valgrind != 'false'
1248 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1249 if dep_valgrind.found()
1250 pre_args += '-DHAVE_VALGRIND'
1253 dep_valgrind = null_dep
1256 # pthread stubs. Lets not and say we didn't
1258 prog_bison = find_program('bison', required : with_any_opengl)
1259 prog_flex = find_program('flex', required : with_any_opengl)
1261 dep_selinux = null_dep
1262 if get_option('selinux')
1263 dep_selinux = dependency('libselinux')
1264 pre_args += '-DMESA_SELINUX'
1267 if with_libunwind != 'false'
1268 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1269 if dep_unwind.found()
1270 pre_args += '-DHAVE_LIBUNWIND'
1273 dep_unwind = null_dep
1276 if with_osmesa != 'none'
1277 if with_osmesa == 'classic' and not with_dri_swrast
1278 error('OSMesa classic requires dri (classic) swrast.')
1280 if with_osmesa == 'gallium' and not with_gallium_softpipe
1281 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1283 osmesa_lib_name = 'OSMesa'
1284 osmesa_bits = get_option('osmesa-bits')
1285 if osmesa_bits != '8'
1286 if with_dri or with_glx != 'disabled'
1287 error('OSMesa bits must be 8 if building glx or dir based drivers')
1289 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1291 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1296 # TODO: symbol mangling
1298 if with_platform_wayland
1299 dep_wl_scanner = dependency('wayland-scanner', native: true)
1300 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1301 if dep_wl_scanner.version().version_compare('>= 1.15')
1302 wl_scanner_arg = 'private-code'
1304 wl_scanner_arg = 'code'
1306 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1307 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1308 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1310 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1311 dep_wayland_egl_headers = declare_dependency(
1312 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1314 wayland_dmabuf_xml = join_paths(
1315 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1316 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1318 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1320 prog_wl_scanner = []
1322 dep_wl_protocols = null_dep
1323 dep_wayland_client = null_dep
1324 dep_wayland_server = null_dep
1325 wayland_dmabuf_xml = ''
1330 dep_xdamage = null_dep
1331 dep_xfixes = null_dep
1332 dep_x11_xcb = null_dep
1334 dep_xcb_glx = null_dep
1335 dep_xcb_dri2 = null_dep
1336 dep_xcb_dri3 = null_dep
1337 dep_dri2proto = null_dep
1338 dep_glproto = null_dep
1339 dep_xxf86vm = null_dep
1340 dep_xcb_dri3 = null_dep
1341 dep_xcb_present = null_dep
1342 dep_xcb_sync = null_dep
1343 dep_xcb_xfixes = null_dep
1344 dep_xshmfence = null_dep
1345 dep_xcb_xrandr = null_dep
1346 dep_xlib_xrandr = null_dep
1347 if with_platform_x11
1348 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1349 dep_x11 = dependency('x11')
1350 dep_xext = dependency('xext')
1351 dep_xcb = dependency('xcb')
1352 elif with_glx == 'dri'
1353 dep_x11 = dependency('x11')
1354 dep_xext = dependency('xext')
1355 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1356 dep_xfixes = dependency('xfixes')
1357 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1358 dep_xxf86vm = dependency('xxf86vm', required : false)
1360 if (with_any_vk or with_glx == 'dri' or
1361 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1362 with_gallium_omx != 'disabled'))
1363 dep_xcb = dependency('xcb')
1364 dep_x11_xcb = dependency('x11-xcb')
1366 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1367 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1370 pre_args += '-DHAVE_DRI3'
1371 dep_xcb_dri3 = dependency('xcb-dri3')
1372 dep_xcb_present = dependency('xcb-present')
1373 # until xcb-dri3 has been around long enough to make a hard-dependency:
1374 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1375 dep_xcb_present.version().version_compare('>= 1.13'))
1376 pre_args += '-DHAVE_DRI3_MODIFIERS'
1378 dep_xcb_sync = dependency('xcb-sync')
1379 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1382 if with_glx == 'dri'
1383 if with_dri_platform == 'drm'
1384 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1386 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1389 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1390 with_gallium_omx != 'disabled'))
1391 dep_xcb_xfixes = dependency('xcb-xfixes')
1394 dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1395 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1399 if get_option('gallium-extra-hud')
1400 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1403 _sensors = get_option('lmsensors')
1404 if _sensors != 'false'
1405 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1406 if dep_lmsensors.found()
1407 pre_args += '-DHAVE_LIBSENSORS=1'
1410 dep_lmsensors = null_dep
1413 foreach a : pre_args
1414 add_project_arguments(a, language : ['c', 'cpp'])
1417 add_project_arguments(a, language : ['c'])
1419 foreach a : cpp_args
1420 add_project_arguments(a, language : ['cpp'])
1423 inc_include = include_directories('include')
1427 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1428 gl_priv_reqs += ['x11', 'xext', 'xcb']
1429 elif with_glx == 'dri'
1431 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1433 if with_dri_platform == 'drm'
1434 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1437 if dep_libdrm.found()
1438 gl_priv_reqs += 'libdrm >= 2.4.75'
1440 if dep_xxf86vm.found()
1441 gl_priv_reqs += 'xxf86vm'
1445 if dep_thread.found()
1446 gl_priv_libs += ['-lpthread', '-pthread']
1449 gl_priv_libs += '-lm'
1452 gl_priv_libs += '-ldl'
1455 pkg = import('pkgconfig')
1457 env_test = environment()
1458 env_test.set('NM', find_program('nm').path())