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 # Arguments for the preprocessor, put these in a separate array from the C and
38 # C++ (cpp in meson terminology) arguments since they need to be added to the
39 # default arguments for both C and C++.
41 '-D__STDC_CONSTANT_MACROS',
42 '-D__STDC_FORMAT_MACROS',
43 '-D__STDC_LIMIT_MACROS',
44 '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
45 '-DPACKAGE_BUGREPORT="https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa"',
48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
49 with_tests = get_option('build-tests')
50 with_valgrind = get_option('valgrind')
51 with_libunwind = get_option('libunwind')
52 with_asm = get_option('asm')
53 with_glx_read_only_text = get_option('glx-read-only-text')
54 with_osmesa = get_option('osmesa')
55 with_swr_arches = get_option('swr-arches')
56 with_tools = get_option('tools')
57 if with_tools.contains('all')
58 with_tools = ['freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
61 dri_drivers_path = get_option('dri-drivers-path')
62 if dri_drivers_path == ''
63 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
65 dri_search_path = get_option('dri-search-path')
66 if dri_search_path == ''
67 dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
70 with_gles1 = get_option('gles1')
71 with_gles2 = get_option('gles2')
72 with_opengl = get_option('opengl')
73 with_any_opengl = with_opengl or with_gles1 or with_gles2
74 # Only build shared_glapi if at least one OpenGL API is enabled
75 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
78 # shared-glapi is required if at least two OpenGL APIs are being built
79 if not with_shared_glapi
80 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
81 or (with_gles2 and with_opengl))
82 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
86 # We require OpenGL for OpenGL ES
87 if (with_gles1 or with_gles2) and not with_opengl
88 error('building OpenGL ES without OpenGL is not supported.')
91 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
93 _drivers = get_option('dri-drivers')
94 if _drivers.contains('auto')
97 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
98 _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
99 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
102 error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
103 host_machine.cpu_family()))
105 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
106 # only swrast would make sense here, but gallium swrast is a much better default
109 error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
110 host_machine.system()))
114 with_dri_i915 = _drivers.contains('i915')
115 with_dri_i965 = _drivers.contains('i965')
116 with_dri_r100 = _drivers.contains('r100')
117 with_dri_r200 = _drivers.contains('r200')
118 with_dri_nouveau = _drivers.contains('nouveau')
119 with_dri_swrast = _drivers.contains('swrast')
121 with_dri = _drivers.length() != 0 and _drivers != ['']
123 _drivers = get_option('gallium-drivers')
124 if _drivers.contains('auto')
125 if system_has_kms_drm
127 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
129 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
131 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
133 'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
134 'tegra', 'virgl', 'swrast',
137 error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
138 host_machine.cpu_family()))
140 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
141 _drivers = ['swrast']
143 error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
144 host_machine.system()))
147 with_gallium_pl111 = _drivers.contains('pl111')
148 with_gallium_radeonsi = _drivers.contains('radeonsi')
149 with_gallium_r300 = _drivers.contains('r300')
150 with_gallium_r600 = _drivers.contains('r600')
151 with_gallium_nouveau = _drivers.contains('nouveau')
152 with_gallium_freedreno = _drivers.contains('freedreno')
153 with_gallium_softpipe = _drivers.contains('swrast')
154 with_gallium_vc4 = _drivers.contains('vc4')
155 with_gallium_v3d = _drivers.contains('v3d')
156 with_gallium_etnaviv = _drivers.contains('etnaviv')
157 with_gallium_imx = _drivers.contains('imx')
158 with_gallium_tegra = _drivers.contains('tegra')
159 with_gallium_i915 = _drivers.contains('i915')
160 with_gallium_svga = _drivers.contains('svga')
161 with_gallium_virgl = _drivers.contains('virgl')
162 with_gallium_swr = _drivers.contains('swr')
164 with_gallium = _drivers.length() != 0 and _drivers != ['']
166 if with_gallium and system_has_kms_drm
167 _glx = get_option('glx')
168 _egl = get_option('egl')
169 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
174 _vulkan_drivers = get_option('vulkan-drivers')
175 if _vulkan_drivers.contains('auto')
176 if system_has_kms_drm
177 if host_machine.cpu_family().startswith('x86')
178 _vulkan_drivers = ['amd', 'intel']
179 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
182 error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
183 host_machine.cpu_family()))
185 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
186 # No vulkan driver supports windows or macOS currently
189 error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
190 host_machine.system()))
194 with_intel_vk = _vulkan_drivers.contains('intel')
195 with_amd_vk = _vulkan_drivers.contains('amd')
196 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
198 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
199 error('Only one swrast provider can be built')
201 if with_dri_i915 and with_gallium_i915
202 error('Only one i915 provider can be built')
204 if with_gallium_imx and not with_gallium_etnaviv
205 error('IMX driver requires etnaviv driver')
207 if with_gallium_pl111 and not with_gallium_vc4
208 error('pl111 driver requires vc4 driver')
210 if with_gallium_tegra and not with_gallium_nouveau
211 error('tegra driver requires nouveau driver')
214 if host_machine.system() == 'darwin'
215 with_dri_platform = 'apple'
216 elif ['windows', 'cygwin'].contains(host_machine.system())
217 with_dri_platform = 'windows'
218 elif system_has_kms_drm
219 with_dri_platform = 'drm'
221 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
222 # assert here that one of those cases has been met.
223 # FIXME: illumos ends up here as well
224 with_dri_platform = 'none'
227 _platforms = get_option('platforms')
228 if _platforms.contains('auto')
229 if system_has_kms_drm
230 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
231 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
232 _platforms = ['x11', 'surfaceless']
233 elif ['haiku'].contains(host_machine.system())
234 _platforms = ['haiku']
236 error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
237 host_machine.system()))
241 with_platform_android = _platforms.contains('android')
242 with_platform_x11 = _platforms.contains('x11')
243 with_platform_wayland = _platforms.contains('wayland')
244 with_platform_drm = _platforms.contains('drm')
245 with_platform_haiku = _platforms.contains('haiku')
246 with_platform_surfaceless = _platforms.contains('surfaceless')
248 with_platforms = false
249 if _platforms.length() != 0 and _platforms != ['']
250 with_platforms = true
251 egl_native_platform = _platforms[0]
254 _xlib_lease = get_option('xlib-lease')
255 if _xlib_lease == 'auto'
256 with_xlib_lease = with_platform_x11 and with_platform_drm
258 with_xlib_lease = _xlib_lease == 'true'
261 with_glx = get_option('glx')
262 if with_glx == 'auto'
265 elif with_platform_haiku
266 with_glx = 'disabled'
268 # Even when building just gallium drivers the user probably wants dri
270 elif with_platform_x11 and with_any_opengl and not with_any_vk
271 # The automatic behavior should not be to turn on xlib based glx when
272 # building only vulkan drivers
275 with_glx = 'disabled'
284 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
288 with_any_opengl = false
289 with_shared_glapi = false
292 _gbm = get_option('gbm')
294 with_gbm = system_has_kms_drm and with_dri
296 with_gbm = _gbm == 'true'
298 if with_gbm and not system_has_kms_drm
299 error('GBM only supports DRM/KMS platforms')
302 _egl = get_option('egl')
305 not ['darwin', 'windows'].contains(host_machine.system()) and
306 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')
317 elif ['darwin', 'windows'].contains(host_machine.system())
318 error('EGL is not available on Windows or MacOS')
325 if with_egl and not (with_platform_drm or with_platform_surfaceless)
326 if with_gallium_radeonsi
327 error('RadeonSI requires drm or surfaceless platform when using EGL')
329 if with_gallium_virgl
330 error('Virgl requires drm or surfaceless platform when using EGL')
334 pre_args += '-DGLX_USE_TLS'
335 if with_glx != 'disabled'
336 if not (with_platform_x11 and with_any_opengl)
337 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
338 elif with_glx == 'gallium-xlib'
340 error('Gallium-xlib based GLX requires at least one gallium driver')
341 elif not with_gallium_softpipe
342 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
344 error('gallium-xlib conflicts with any dri driver')
346 elif with_glx == 'xlib'
348 error('xlib conflicts with any dri driver')
350 elif with_glx == 'dri'
352 error('dri based GLX requires at least one DRI driver')
353 elif not with_shared_glapi
354 error('dri based GLX requires shared-glapi')
359 with_glvnd = get_option('glvnd')
361 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
362 error('Cannot build glvnd support for GLX that is not DRI based.')
363 elif with_glx == 'disabled' and not with_egl
364 error('glvnd requires DRI based GLX and/or EGL')
368 # TODO: toggle for this
369 with_glx_direct = true
371 if with_vulkan_icd_dir == ''
372 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
375 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
376 _dri3 = get_option('dri3')
378 with_dri3 = system_has_kms_drm and with_dri2
380 with_dri3 = _dri3 == 'true'
383 if with_any_vk and (with_platform_x11 and not with_dri3)
384 error('Vulkan drivers require dri3 for X11 support')
386 if with_dri or with_gallium
387 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
388 error('building dri or gallium drivers require at least one window system')
392 prog_pkgconfig = find_program('pkg-config')
394 _vdpau = get_option('gallium-vdpau')
395 if not system_has_kms_drm
397 error('VDPAU state tracker can only be build on unix-like OSes.')
401 elif not with_platform_x11
403 error('VDPAU state tracker requires X11 support.')
407 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
408 with_gallium_nouveau)
410 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
416 with_gallium_vdpau = false
418 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
420 dep_vdpau = declare_dependency(
421 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
423 with_gallium_vdpau = true
427 if with_gallium_vdpau
428 pre_args += '-DHAVE_ST_VDPAU'
430 vdpau_drivers_path = get_option('vdpau-libs-path')
431 if vdpau_drivers_path == ''
432 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
435 _xvmc = get_option('gallium-xvmc')
436 if not system_has_kms_drm
438 error('XVMC state tracker can only be build on unix-like OSes.')
442 elif not with_platform_x11
444 error('XVMC state tracker requires X11 support.')
448 elif not (with_gallium_r600 or with_gallium_nouveau)
450 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
456 with_gallium_xvmc = false
458 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
459 with_gallium_xvmc = dep_xvmc.found()
462 xvmc_drivers_path = get_option('xvmc-libs-path')
463 if xvmc_drivers_path == ''
464 xvmc_drivers_path = get_option('libdir')
467 _omx = get_option('gallium-omx')
468 if not system_has_kms_drm
469 if ['auto', 'disabled'].contains(_omx)
472 error('OMX state tracker can only be built on unix-like OSes.')
474 elif not (with_platform_x11 or with_platform_drm)
475 if ['auto', 'disabled'].contains(_omx)
478 error('OMX state tracker requires X11 or drm platform support.')
480 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
481 if ['auto', 'disabled'].contains(_omx)
484 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
487 with_gallium_omx = _omx
490 if ['auto', 'bellagio'].contains(_omx)
491 dep_omx = dependency(
492 'libomxil-bellagio', required : _omx == 'bellagio'
495 with_gallium_omx = 'bellagio'
498 if ['auto', 'tizonia'].contains(_omx)
499 if with_dri and with_egl
500 dep_omx = dependency(
501 'libtizonia', version : '>= 0.10.0',
502 required : _omx == 'tizonia',
505 dependency('libtizplatform', required : _omx == 'tizonia'),
506 dependency('tizilheaders', required : _omx == 'tizonia'),
508 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
509 with_gallium_omx = 'tizonia'
511 elif _omx == 'tizonia'
512 error('OMX-Tizonia state tracker requires dri and egl')
516 with_gallium_omx = 'disabled'
518 with_gallium_omx = _omx
522 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
523 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
527 omx_drivers_path = get_option('omx-libs-path')
529 if with_gallium_omx != 'disabled'
530 # Figure out where to put the omx driver.
531 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
532 # argument to meson's get_pkgconfig_variable method.
533 if omx_drivers_path == ''
534 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
535 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
536 if _omx_libdir == get_option('libdir')
537 omx_drivers_path = _omx_drivers_dir
540 # This will fail on windows. Does OMX run on windows?
541 _omx_libdir = _omx_libdir.split('/')
542 _omx_drivers_dir = _omx_drivers_dir.split('/')
543 foreach o : _omx_drivers_dir
544 if not _omx_libdir.contains(o)
548 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
553 _va = get_option('gallium-va')
554 if not system_has_kms_drm
556 error('VA state tracker can only be built on unix-like OSes.')
560 elif not (with_platform_x11 or with_platform_drm)
562 error('VA state tracker requires X11 or drm or wayland platform support.')
566 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
568 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 # on old versions of meson the cpu family would return as ppc64le on little
627 # endian power8, this was changed in 0.48 such that the family would always
628 # be ppc64 regardless of endianness, and the the machine.endian() value
629 # should be checked. Since we support versions < 0.48 we need to use
631 if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
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', 'gnu'].contains(host_machine.system())
785 pre_args += '-D_GNU_SOURCE'
788 # Check for generic C arguments
790 foreach a : ['-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 : ['-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 dependencies : dep_atomic,
909 name : 'GCC 64bit atomics')
910 pre_args += '-DMISSING_64BIT_ATOMICS'
913 # TODO: shared/static? Is this even worth doing?
915 # When cross compiling we generally need to turn off the use of assembly,
916 # because mesa's assembly relies on building an executable for the host system,
917 # and running it to get information about struct sizes. There is at least one
918 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
919 # host OS == build OS, since in that case the build machine can run the host's
921 if with_asm and meson.is_cross_build()
922 if build_machine.system() != host_machine.system()
923 # TODO: It may be possible to do this with an exe_wrapper (like wine).
924 message('Cross compiling from one OS to another, disabling assembly.')
926 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
927 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
928 # x86 -> x86 cross compile. We use startswith rather than == to handle this
930 # TODO: There may be other cases where the 64 bit version of the
931 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
933 Cross compiling to different architectures, and the host cannot run
934 the build machine's binaries. Disabling assembly.
942 if host_machine.cpu_family() == 'x86'
943 if system_has_kms_drm or host_machine.system() == 'gnu'
944 with_asm_arch = 'x86'
945 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
948 if with_glx_read_only_text
949 pre_args += ['-DGLX_X86_READONLY_TEXT']
952 elif host_machine.cpu_family() == 'x86_64'
953 if system_has_kms_drm
954 with_asm_arch = 'x86_64'
955 pre_args += ['-DUSE_X86_64_ASM']
957 elif host_machine.cpu_family() == 'arm'
958 if system_has_kms_drm
959 with_asm_arch = 'arm'
960 pre_args += ['-DUSE_ARM_ASM']
962 elif host_machine.cpu_family() == 'aarch64'
963 if system_has_kms_drm
964 with_asm_arch = 'aarch64'
965 pre_args += ['-DUSE_AARCH64_ASM']
967 elif host_machine.cpu_family() == 'sparc64'
968 if system_has_kms_drm
969 with_asm_arch = 'sparc'
970 pre_args += ['-DUSE_SPARC_ASM']
972 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
973 if system_has_kms_drm
974 with_asm_arch = 'ppc64le'
975 pre_args += ['-DUSE_PPC64LE_ASM']
980 # Check for standard headers and functions
981 if cc.has_header_symbol('sys/sysmacros.h', 'major')
982 pre_args += '-DMAJOR_IN_SYSMACROS'
983 elif cc.has_header_symbol('sys/mkdev.h', 'major')
984 pre_args += '-DMAJOR_IN_MKDEV'
987 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
988 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
989 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
993 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
994 if cc.has_function(f)
995 pre_args += '-DHAVE_@0@'.format(f.to_upper())
999 # strtod locale support
1004 #ifdef HAVE_XLOCALE_H
1005 #include <xlocale.h>
1008 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1009 const char *s = "1.0";
1011 double d = strtod_l(s, end, loc);
1012 float f = strtof_l(s, end, loc);
1017 name : 'strtod has locale support')
1018 pre_args += '-DHAVE_STRTOD_L'
1021 # Check for some linker flags
1022 ld_args_bsymbolic = []
1023 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1024 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1026 ld_args_gc_sections = []
1027 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1028 args : '-Wl,--gc-sections', name : 'gc-sections')
1029 ld_args_gc_sections += '-Wl,--gc-sections'
1031 with_ld_version_script = false
1032 if cc.links('int main() { return 0; }',
1033 args : '-Wl,--version-script=@0@'.format(
1034 join_paths(meson.source_root(), 'build-support/conftest.map')),
1035 name : 'version-script')
1036 with_ld_version_script = true
1038 with_ld_dynamic_list = false
1039 if cc.links('int main() { return 0; }',
1040 args : '-Wl,--dynamic-list=@0@'.format(
1041 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1042 name : 'dynamic-list')
1043 with_ld_dynamic_list = true
1045 ld_args_build_id = []
1046 if build_machine.system() != 'darwin'
1047 ld_args_build_id += '-Wl,--build-id=sha1'
1050 # check for dl support
1051 if cc.has_function('dlopen')
1054 dep_dl = cc.find_library('dl')
1056 if cc.has_function('dladdr', dependencies : dep_dl)
1057 # This is really only required for megadrivers
1058 pre_args += '-DHAVE_DLADDR'
1061 if cc.has_function('dl_iterate_phdr')
1062 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1064 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1065 elif with_dri_i965 and get_option('shader-cache')
1066 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1069 # Determine whether or not the rt library is needed for time functions
1070 if cc.has_function('clock_gettime')
1071 dep_clock = null_dep
1073 dep_clock = cc.find_library('rt')
1076 # TODO: some of these may be conditional
1077 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1078 pre_args += '-DHAVE_ZLIB'
1079 dep_thread = dependency('threads')
1080 if dep_thread.found() and host_machine.system() != 'windows'
1081 pre_args += '-DHAVE_PTHREAD'
1083 'pthread_setaffinity_np',
1084 dependencies : dep_thread,
1085 prefix : '#include <pthread.h>',
1086 args : '-D_GNU_SOURCE')
1087 pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1090 dep_expat = dependency('expat')
1091 # this only exists on linux so either this is linux and it will be found, or
1092 # its not linux and and wont
1093 dep_m = cc.find_library('m', required : false)
1095 # Check for libdrm. various drivers have different libdrm version requirements,
1096 # but we always want to use the same version for all libdrm modules. That means
1097 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1098 # bar are both on use 2.4.3 for both of them
1099 dep_libdrm_amdgpu = null_dep
1100 dep_libdrm_radeon = null_dep
1101 dep_libdrm_nouveau = null_dep
1102 dep_libdrm_etnaviv = null_dep
1103 dep_libdrm_intel = null_dep
1105 _drm_amdgpu_ver = '2.4.95'
1106 _drm_radeon_ver = '2.4.71'
1107 _drm_nouveau_ver = '2.4.66'
1108 _drm_etnaviv_ver = '2.4.89'
1109 _drm_intel_ver = '2.4.75'
1113 ['intel', with_dri_i915 or with_gallium_i915],
1114 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1115 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1116 with_gallium_r300 or with_gallium_r600)],
1117 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1118 ['etnaviv', with_gallium_etnaviv],
1121 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1127 # Loop over the enables versions and get the highest libdrm requirement for all
1130 foreach d : _libdrm_checks
1131 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1132 if d[1] and ver.version_compare('>' + _drm_ver)
1138 message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1141 # Then get each libdrm module
1142 foreach d : _libdrm_checks
1145 'dep_libdrm_' + d[0],
1146 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1151 with_gallium_drisw_kms = false
1152 dep_libdrm = dependency(
1153 'libdrm', version : '>=' + _drm_ver,
1154 required : with_dri2 or with_dri3
1156 if dep_libdrm.found()
1157 pre_args += '-DHAVE_LIBDRM'
1158 if with_dri_platform == 'drm' and with_dri
1159 with_gallium_drisw_kms = true
1163 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1164 llvm_optional_modules = []
1165 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1166 llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1167 if with_gallium_r600
1168 llvm_modules += 'asmparser'
1171 if with_gallium_opencl
1173 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1174 'lto', 'option', 'objcarcopts', 'profiledata',
1176 llvm_optional_modules += ['coroutines']
1179 if with_amd_vk or with_gallium_radeonsi
1180 _llvm_version = '>= 7.0.0'
1181 elif with_gallium_swr
1182 _llvm_version = '>= 6.0.0'
1183 elif with_gallium_opencl or with_gallium_r600
1184 _llvm_version = '>= 3.9.0'
1186 _llvm_version = '>= 3.3.0'
1189 _shared_llvm = get_option('shared-llvm')
1191 _llvm = get_option('llvm')
1195 dep_llvm = dependency(
1197 version : _llvm_version,
1198 modules : llvm_modules,
1199 optional_modules : llvm_optional_modules,
1201 with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1202 with_gallium_opencl or _llvm == 'true'
1204 static : not _shared_llvm,
1206 with_llvm = dep_llvm.found()
1209 _llvm_version = dep_llvm.version().split('.')
1211 # 3 digits versions in LLVM only started from 3.4.1 on
1212 if dep_llvm.version().version_compare('>= 3.4.1')
1213 _llvm_patch = _llvm_version[2]
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 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1234 (with_gallium_r600 and with_llvm))
1235 dep_elf = dependency('libelf', required : false)
1236 if not dep_elf.found()
1237 dep_elf = cc.find_library('elf')
1243 dep_glvnd = null_dep
1245 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1246 pre_args += '-DUSE_LIBGLVND=1'
1249 if with_valgrind != 'false'
1250 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1251 if dep_valgrind.found()
1252 pre_args += '-DHAVE_VALGRIND'
1255 dep_valgrind = null_dep
1258 # pthread stubs. Lets not and say we didn't
1260 prog_bison = find_program('bison', required : with_any_opengl)
1261 prog_flex = find_program('flex', required : with_any_opengl)
1263 dep_selinux = null_dep
1264 if get_option('selinux')
1265 dep_selinux = dependency('libselinux')
1266 pre_args += '-DMESA_SELINUX'
1269 if with_libunwind != 'false'
1270 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1271 if dep_unwind.found()
1272 pre_args += '-DHAVE_LIBUNWIND'
1275 dep_unwind = null_dep
1278 if with_osmesa != 'none'
1279 if with_osmesa == 'classic' and not with_dri_swrast
1280 error('OSMesa classic requires dri (classic) swrast.')
1282 if with_osmesa == 'gallium' and not with_gallium_softpipe
1283 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1285 osmesa_lib_name = 'OSMesa'
1286 osmesa_bits = get_option('osmesa-bits')
1287 if osmesa_bits != '8'
1288 if with_dri or with_glx != 'disabled'
1289 error('OSMesa bits must be 8 if building glx or dir based drivers')
1291 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1293 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1298 # TODO: symbol mangling
1300 if with_platform_wayland
1301 dep_wl_scanner = dependency('wayland-scanner', native: true)
1302 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1303 if dep_wl_scanner.version().version_compare('>= 1.15')
1304 wl_scanner_arg = 'private-code'
1306 wl_scanner_arg = 'code'
1308 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1309 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1310 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1312 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1313 dep_wayland_egl_headers = declare_dependency(
1314 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1316 wayland_dmabuf_xml = join_paths(
1317 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1318 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1320 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1325 dep_xdamage = null_dep
1326 dep_xfixes = null_dep
1327 dep_x11_xcb = null_dep
1329 dep_xcb_glx = null_dep
1330 dep_xcb_dri2 = null_dep
1331 dep_xcb_dri3 = null_dep
1332 dep_dri2proto = null_dep
1333 dep_glproto = null_dep
1334 dep_xxf86vm = null_dep
1335 dep_xcb_dri3 = null_dep
1336 dep_xcb_present = null_dep
1337 dep_xcb_sync = null_dep
1338 dep_xcb_xfixes = null_dep
1339 dep_xshmfence = null_dep
1340 dep_xcb_xrandr = null_dep
1341 dep_xlib_xrandr = null_dep
1342 if with_platform_x11
1343 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1344 dep_x11 = dependency('x11')
1345 dep_xext = dependency('xext')
1346 dep_xcb = dependency('xcb')
1347 elif with_glx == 'dri'
1348 dep_x11 = dependency('x11')
1349 dep_xext = dependency('xext')
1350 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1351 dep_xfixes = dependency('xfixes')
1352 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1354 if (with_any_vk or with_glx == 'dri' or
1355 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1356 with_gallium_omx != 'disabled'))
1357 dep_xcb = dependency('xcb')
1358 dep_x11_xcb = dependency('x11-xcb')
1360 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1361 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1364 pre_args += '-DHAVE_DRI3'
1365 dep_xcb_dri3 = dependency('xcb-dri3')
1366 dep_xcb_present = dependency('xcb-present')
1367 # until xcb-dri3 has been around long enough to make a hard-dependency:
1368 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1369 dep_xcb_present.version().version_compare('>= 1.13'))
1370 pre_args += '-DHAVE_DRI3_MODIFIERS'
1372 dep_xcb_sync = dependency('xcb-sync')
1373 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1376 if with_glx == 'dri'
1377 if with_dri_platform == 'drm'
1378 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1379 dep_xxf86vm = dependency('xxf86vm')
1381 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1384 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1385 with_gallium_omx != 'disabled'))
1386 dep_xcb_xfixes = dependency('xcb-xfixes')
1389 dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1390 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1394 if get_option('gallium-extra-hud')
1395 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1398 _sensors = get_option('lmsensors')
1399 if _sensors != 'false'
1400 dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
1401 if dep_lmsensors.found()
1402 pre_args += '-DHAVE_LIBSENSORS=1'
1405 dep_lmsensors = null_dep
1408 foreach a : pre_args
1409 add_project_arguments(a, language : ['c', 'cpp'])
1412 add_project_arguments(a, language : ['c'])
1414 foreach a : cpp_args
1415 add_project_arguments(a, language : ['cpp'])
1418 inc_include = include_directories('include')
1422 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1423 gl_priv_reqs += ['x11', 'xext', 'xcb']
1424 elif with_glx == 'dri'
1426 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1428 if with_dri_platform == 'drm'
1429 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1430 gl_priv_reqs += 'xxf86vm'
1433 if dep_libdrm.found()
1434 gl_priv_reqs += 'libdrm >= 2.4.75'
1438 if dep_thread.found()
1439 gl_priv_libs += ['-lpthread', '-pthread']
1442 gl_priv_libs += '-lm'
1445 gl_priv_libs += '-ldl'
1448 pkg = import('pkgconfig')
1450 env_test = environment()
1451 env_test.set('NM', find_program('nm').path())