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_glx_direct = get_option('glx-direct')
55 with_osmesa = get_option('osmesa')
56 with_swr_arches = get_option('swr-arches')
57 with_tools = get_option('tools')
58 if with_tools.contains('all')
59 with_tools = ['etnaviv', 'freedreno', 'glsl', 'intel', 'nir', 'nouveau', 'xvmc']
62 dri_drivers_path = get_option('dri-drivers-path')
63 if dri_drivers_path == ''
64 dri_drivers_path = join_paths(get_option('libdir'), 'dri')
66 dri_search_path = get_option('dri-search-path')
67 if dri_search_path == ''
68 dri_search_path = join_paths(get_option('prefix'), dri_drivers_path)
71 with_gles1 = get_option('gles1')
72 with_gles2 = get_option('gles2')
73 with_opengl = get_option('opengl')
74 with_any_opengl = with_opengl or with_gles1 or with_gles2
75 # Only build shared_glapi if at least one OpenGL API is enabled
76 with_shared_glapi = get_option('shared-glapi') and with_any_opengl
79 # shared-glapi is required if at least two OpenGL APIs are being built
80 if not with_shared_glapi
81 if ((with_gles1 and with_gles2) or (with_gles1 and with_opengl)
82 or (with_gles2 and with_opengl))
83 error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
87 # We require OpenGL for OpenGL ES
88 if (with_gles1 or with_gles2) and not with_opengl
89 error('building OpenGL ES without OpenGL is not supported.')
92 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
94 _drivers = get_option('dri-drivers')
95 if _drivers.contains('auto')
98 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
99 _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
100 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
103 error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
104 host_machine.cpu_family()))
106 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
107 # only swrast would make sense here, but gallium swrast is a much better default
110 error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
111 host_machine.system()))
115 with_dri_i915 = _drivers.contains('i915')
116 with_dri_i965 = _drivers.contains('i965')
117 with_dri_r100 = _drivers.contains('r100')
118 with_dri_r200 = _drivers.contains('r200')
119 with_dri_nouveau = _drivers.contains('nouveau')
120 with_dri_swrast = _drivers.contains('swrast')
122 with_dri = _drivers.length() != 0 and _drivers != ['']
124 _drivers = get_option('gallium-drivers')
125 if _drivers.contains('auto')
126 if system_has_kms_drm
128 if ['x86', 'x86_64'].contains(host_machine.cpu_family())
130 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
132 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
134 'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau',
135 'tegra', 'virgl', 'swrast',
138 error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
139 host_machine.cpu_family()))
141 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
142 _drivers = ['swrast']
144 error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
145 host_machine.system()))
148 with_gallium_pl111 = _drivers.contains('pl111')
149 with_gallium_radeonsi = _drivers.contains('radeonsi')
150 with_gallium_r300 = _drivers.contains('r300')
151 with_gallium_r600 = _drivers.contains('r600')
152 with_gallium_nouveau = _drivers.contains('nouveau')
153 with_gallium_freedreno = _drivers.contains('freedreno')
154 with_gallium_softpipe = _drivers.contains('swrast')
155 with_gallium_vc4 = _drivers.contains('vc4')
156 with_gallium_v3d = _drivers.contains('v3d')
157 with_gallium_etnaviv = _drivers.contains('etnaviv')
158 with_gallium_imx = _drivers.contains('imx')
159 with_gallium_tegra = _drivers.contains('tegra')
160 with_gallium_i915 = _drivers.contains('i915')
161 with_gallium_svga = _drivers.contains('svga')
162 with_gallium_virgl = _drivers.contains('virgl')
163 with_gallium_swr = _drivers.contains('swr')
165 with_gallium = _drivers.length() != 0 and _drivers != ['']
167 if with_gallium and system_has_kms_drm
168 _glx = get_option('glx')
169 _egl = get_option('egl')
170 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
175 _vulkan_drivers = get_option('vulkan-drivers')
176 if _vulkan_drivers.contains('auto')
177 if system_has_kms_drm
178 if host_machine.cpu_family().startswith('x86')
179 _vulkan_drivers = ['amd', 'intel']
180 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
183 error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
184 host_machine.cpu_family()))
186 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
187 # No vulkan driver supports windows or macOS currently
190 error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
191 host_machine.system()))
195 with_intel_vk = _vulkan_drivers.contains('intel')
196 with_amd_vk = _vulkan_drivers.contains('amd')
197 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
199 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
200 error('Only one swrast provider can be built')
202 if with_dri_i915 and with_gallium_i915
203 error('Only one i915 provider can be built')
205 if with_gallium_imx and not with_gallium_etnaviv
206 error('IMX driver requires etnaviv driver')
208 if with_gallium_pl111 and not with_gallium_vc4
209 error('pl111 driver requires vc4 driver')
211 if with_gallium_tegra and not with_gallium_nouveau
212 error('tegra driver requires nouveau driver')
215 if host_machine.system() == 'darwin'
216 with_dri_platform = 'apple'
217 elif ['windows', 'cygwin'].contains(host_machine.system())
218 with_dri_platform = 'windows'
219 elif system_has_kms_drm
220 with_dri_platform = 'drm'
222 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
223 # assert here that one of those cases has been met.
224 # FIXME: illumos ends up here as well
225 with_dri_platform = 'none'
228 _platforms = get_option('platforms')
229 if _platforms.contains('auto')
230 if system_has_kms_drm
231 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
232 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
233 _platforms = ['x11', 'surfaceless']
234 elif ['haiku'].contains(host_machine.system())
235 _platforms = ['haiku']
237 error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
238 host_machine.system()))
242 with_platform_android = _platforms.contains('android')
243 with_platform_x11 = _platforms.contains('x11')
244 with_platform_wayland = _platforms.contains('wayland')
245 with_platform_drm = _platforms.contains('drm')
246 with_platform_haiku = _platforms.contains('haiku')
247 with_platform_surfaceless = _platforms.contains('surfaceless')
249 with_platforms = false
250 if _platforms.length() != 0 and _platforms != ['']
251 with_platforms = true
252 egl_native_platform = _platforms[0]
255 _xlib_lease = get_option('xlib-lease')
256 if _xlib_lease == 'auto'
257 with_xlib_lease = with_platform_x11 and with_platform_drm
259 with_xlib_lease = _xlib_lease == 'true'
262 with_glx = get_option('glx')
263 if with_glx == 'auto'
266 elif with_platform_haiku
267 with_glx = 'disabled'
269 # Even when building just gallium drivers the user probably wants dri
271 elif with_platform_x11 and with_any_opengl and not with_any_vk
272 # The automatic behavior should not be to turn on xlib based glx when
273 # building only vulkan drivers
276 with_glx = 'disabled'
285 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
289 with_any_opengl = false
290 with_shared_glapi = false
293 _gbm = get_option('gbm')
295 with_gbm = system_has_kms_drm and with_dri
297 with_gbm = _gbm == 'true'
299 if with_gbm and not system_has_kms_drm
300 error('GBM only supports DRM/KMS platforms')
303 _egl = get_option('egl')
306 not ['darwin', 'windows'].contains(host_machine.system()) and
307 with_dri and with_shared_glapi and with_platforms
311 error('EGL requires dri')
312 elif not with_shared_glapi
313 error('EGL requires shared-glapi')
314 elif not with_platforms
315 error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
316 elif not ['disabled', 'dri'].contains(with_glx)
317 error('EGL requires dri, but a GLX is being built without dri')
318 elif ['darwin', 'windows'].contains(host_machine.system())
319 error('EGL is not available on Windows or MacOS')
326 if with_egl and not (with_platform_drm or with_platform_surfaceless)
327 if with_gallium_radeonsi
328 error('RadeonSI requires drm or surfaceless platform when using EGL')
330 if with_gallium_virgl
331 error('Virgl requires drm or surfaceless platform when using EGL')
335 pre_args += '-DGLX_USE_TLS'
336 if with_glx != 'disabled'
337 if not (with_platform_x11 and with_any_opengl)
338 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
339 elif with_glx == 'gallium-xlib'
341 error('Gallium-xlib based GLX requires at least one gallium driver')
342 elif not with_gallium_softpipe
343 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
345 error('gallium-xlib conflicts with any dri driver')
347 elif with_glx == 'xlib'
349 error('xlib conflicts with any dri driver')
351 elif with_glx == 'dri'
353 error('dri based GLX requires at least one DRI driver')
354 elif not with_shared_glapi
355 error('dri based GLX requires shared-glapi')
360 with_glvnd = get_option('glvnd')
362 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
363 error('Cannot build glvnd support for GLX that is not DRI based.')
364 elif with_glx == 'disabled' and not with_egl
365 error('glvnd requires DRI based GLX and/or EGL')
369 if with_vulkan_icd_dir == ''
370 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
373 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
374 _dri3 = get_option('dri3')
376 with_dri3 = system_has_kms_drm and with_dri2
378 with_dri3 = _dri3 == 'true'
381 if with_any_vk and (with_platform_x11 and not with_dri3)
382 error('Vulkan drivers require dri3 for X11 support')
384 if with_dri or with_gallium
385 if with_glx == 'disabled' and not with_egl and not with_platform_haiku
386 error('building dri or gallium drivers require at least one window system')
390 prog_pkgconfig = find_program('pkg-config')
392 _vdpau = get_option('gallium-vdpau')
393 if not system_has_kms_drm
395 error('VDPAU state tracker can only be build on unix-like OSes.')
399 elif not with_platform_x11
401 error('VDPAU state tracker requires X11 support.')
405 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
406 with_gallium_nouveau)
408 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
414 with_gallium_vdpau = false
416 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
418 dep_vdpau = declare_dependency(
419 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
421 with_gallium_vdpau = true
425 if with_gallium_vdpau
426 pre_args += '-DHAVE_ST_VDPAU'
428 vdpau_drivers_path = get_option('vdpau-libs-path')
429 if vdpau_drivers_path == ''
430 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
433 _xvmc = get_option('gallium-xvmc')
434 if not system_has_kms_drm
436 error('XVMC state tracker can only be build on unix-like OSes.')
440 elif not with_platform_x11
442 error('XVMC state tracker requires X11 support.')
446 elif not (with_gallium_r600 or with_gallium_nouveau)
448 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
454 with_gallium_xvmc = false
456 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
457 with_gallium_xvmc = dep_xvmc.found()
460 xvmc_drivers_path = get_option('xvmc-libs-path')
461 if xvmc_drivers_path == ''
462 xvmc_drivers_path = get_option('libdir')
465 _omx = get_option('gallium-omx')
466 if not system_has_kms_drm
467 if ['auto', 'disabled'].contains(_omx)
470 error('OMX state tracker can only be built on unix-like OSes.')
472 elif not (with_platform_x11 or with_platform_drm)
473 if ['auto', 'disabled'].contains(_omx)
476 error('OMX state tracker requires X11 or drm platform support.')
478 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
479 if ['auto', 'disabled'].contains(_omx)
482 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
485 with_gallium_omx = _omx
488 if ['auto', 'bellagio'].contains(_omx)
489 dep_omx = dependency(
490 'libomxil-bellagio', required : _omx == 'bellagio'
493 with_gallium_omx = 'bellagio'
496 if ['auto', 'tizonia'].contains(_omx)
497 if with_dri and with_egl
498 dep_omx = dependency(
499 'libtizonia', version : '>= 0.10.0',
500 required : _omx == 'tizonia',
503 dependency('libtizplatform', required : _omx == 'tizonia'),
504 dependency('tizilheaders', required : _omx == 'tizonia'),
506 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
507 with_gallium_omx = 'tizonia'
509 elif _omx == 'tizonia'
510 error('OMX-Tizonia state tracker requires dri and egl')
514 with_gallium_omx = 'disabled'
516 with_gallium_omx = _omx
520 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
521 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
525 omx_drivers_path = get_option('omx-libs-path')
527 if with_gallium_omx != 'disabled'
528 # Figure out where to put the omx driver.
529 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
530 # argument to meson's get_pkgconfig_variable method.
531 if omx_drivers_path == ''
532 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
533 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
534 if _omx_libdir == get_option('libdir')
535 omx_drivers_path = _omx_drivers_dir
538 # This will fail on windows. Does OMX run on windows?
539 _omx_libdir = _omx_libdir.split('/')
540 _omx_drivers_dir = _omx_drivers_dir.split('/')
541 foreach o : _omx_drivers_dir
542 if not _omx_libdir.contains(o)
546 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
551 _va = get_option('gallium-va')
552 if not system_has_kms_drm
554 error('VA state tracker can only be built on unix-like OSes.')
558 elif not (with_platform_x11 or with_platform_drm)
560 error('VA state tracker requires X11 or drm or wayland platform support.')
564 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
566 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
571 with_gallium_va = false
574 dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
576 dep_va_headers = declare_dependency(
577 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
579 with_gallium_va = true
583 va_drivers_path = get_option('va-libs-path')
584 if va_drivers_path == ''
585 va_drivers_path = join_paths(get_option('libdir'), 'dri')
588 _xa = get_option('gallium-xa')
589 if not system_has_kms_drm
591 error('XA state tracker can only be built on unix-like OSes.')
595 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
596 or with_gallium_svga)
598 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
603 with_gallium_xa = _xa != 'false'
605 d3d_drivers_path = get_option('d3d-drivers-path')
606 if d3d_drivers_path == ''
607 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
610 with_gallium_st_nine = get_option('gallium-nine')
611 if with_gallium_st_nine
612 if not with_gallium_softpipe
613 error('The nine state tracker requires gallium softpipe/llvmpipe.')
614 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
615 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
616 error('The nine state tracker requires at least one non-swrast gallium driver.')
619 error('Using nine with wine requires dri3')
623 if get_option('power8') != 'false'
624 # on old versions of meson the cpu family would return as ppc64le on little
625 # endian power8, this was changed in 0.48 such that the family would always
626 # be ppc64 regardless of endianness, and the the machine.endian() value
627 # should be checked. Since we support versions < 0.48 we need to use
629 if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
630 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
631 error('Altivec is not supported with gcc version < 4.8.')
636 vector unsigned char r;
637 vector unsigned int v = vec_splat_u32 (1);
638 r = __builtin_vec_vgbbd ((vector unsigned char) v);
641 args : '-mpower8-vector',
642 name : 'POWER8 intrinsics')
643 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
644 elif get_option('power8') == 'true'
645 error('POWER8 intrinsic support required but not found.')
650 _opencl = get_option('gallium-opencl')
651 if _opencl != 'disabled'
653 error('OpenCL Clover implementation requires at least one gallium driver.')
656 dep_clc = dependency('libclc')
657 with_gallium_opencl = true
658 with_opencl_icd = _opencl == 'icd'
661 with_gallium_opencl = false
662 with_gallium_icd = false
665 gl_pkgconfig_c_flags = []
667 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
668 pre_args += '-DHAVE_X11_PLATFORM'
670 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
671 pre_args += '-DUSE_XSHM'
673 pre_args += '-DGLX_INDIRECT_RENDERING'
675 pre_args += '-DGLX_DIRECT_RENDERING'
677 if with_dri_platform == 'drm'
678 pre_args += '-DGLX_USE_DRM'
679 elif with_dri_platform == 'apple'
680 pre_args += '-DGLX_USE_APPLEGL'
681 elif with_dri_platform == 'windows'
682 pre_args += '-DGLX_USE_WINDOWSGL'
686 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
687 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
690 if with_egl and not with_gbm
691 error('EGL drm platform requires gbm')
693 pre_args += '-DHAVE_DRM_PLATFORM'
695 if with_platform_surfaceless
696 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
698 if with_platform_android
700 dependency('cutils'),
701 dependency('hardware'),
704 pre_args += '-DHAVE_ANDROID_PLATFORM'
706 if with_platform_haiku
707 pre_args += '-DHAVE_HAIKU_PLATFORM'
710 prog_python = import('python3').find_python()
711 has_mako = run_command(
714 from distutils.version import StrictVersion
716 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
718 if has_mako.returncode() != 0
719 error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
722 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
723 error('When using GCC, version 4.4.6 or later is required.')
726 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
727 if get_option('buildtype') == 'debug'
728 pre_args += '-DDEBUG'
731 if get_option('shader-cache')
732 pre_args += '-DENABLE_SHADER_CACHE'
734 error('Radv requires shader cache support')
737 # Check for GCC style builtins
738 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
739 'ffsll', 'popcount', 'popcountll', 'unreachable']
740 if cc.has_function(b)
741 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
745 # check for GCC __attribute__
746 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
747 'warn_unused_result', 'weak',]
748 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
749 name : '__attribute__((@0@))'.format(a))
750 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
753 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
754 name : '__attribute__((format(...)))')
755 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
757 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
758 name : '__attribute__((packed))')
759 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
761 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
762 name : '__attribute__((returns_nonnull))')
763 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
765 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
766 int foo_hid(void) __attribute__((visibility("hidden")));
767 int foo_int(void) __attribute__((visibility("internal")));
768 int foo_pro(void) __attribute__((visibility("protected")));''',
769 name : '__attribute__((visibility(...)))')
770 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
772 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
773 name : '__attribute__((alias(...)))')
774 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
776 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
777 name : '__attribute__((__noreturn__))')
778 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
781 # TODO: this is very incomplete
782 if ['linux', 'cygwin', 'gnu'].contains(host_machine.system())
783 pre_args += '-D_GNU_SOURCE'
786 # Check for generic C arguments
788 foreach a : ['-Werror=implicit-function-declaration',
789 '-Werror=missing-prototypes', '-Werror=return-type',
791 '-fno-trapping-math', '-Qunused-arguments']
792 if cc.has_argument(a)
797 foreach a : ['missing-field-initializers', 'format-truncation']
798 if cc.has_argument('-W' + a)
799 c_args += '-Wno-' + a
804 if cc.has_argument('-fvisibility=hidden')
805 c_vis_args += '-fvisibility=hidden'
808 # Check for generic C++ arguments
810 foreach a : ['-Werror=return-type',
811 '-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 dependencies : dep_atomic,
907 name : 'GCC 64bit atomics')
908 pre_args += '-DMISSING_64BIT_ATOMICS'
911 # TODO: shared/static? Is this even worth doing?
913 # When cross compiling we generally need to turn off the use of assembly,
914 # because mesa's assembly relies on building an executable for the host system,
915 # and running it to get information about struct sizes. There is at least one
916 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
917 # host OS == build OS, since in that case the build machine can run the host's
919 if with_asm and meson.is_cross_build()
920 if build_machine.system() != host_machine.system()
921 # TODO: It may be possible to do this with an exe_wrapper (like wine).
922 message('Cross compiling from one OS to another, disabling assembly.')
924 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
925 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
926 # x86 -> x86 cross compile. We use startswith rather than == to handle this
928 # TODO: There may be other cases where the 64 bit version of the
929 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
931 Cross compiling to different architectures, and the host cannot run
932 the build machine's binaries. Disabling assembly.
940 if host_machine.cpu_family() == 'x86'
941 if system_has_kms_drm or host_machine.system() == 'gnu'
942 with_asm_arch = 'x86'
943 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
946 if with_glx_read_only_text
947 pre_args += ['-DGLX_X86_READONLY_TEXT']
950 elif host_machine.cpu_family() == 'x86_64'
951 if system_has_kms_drm
952 with_asm_arch = 'x86_64'
953 pre_args += ['-DUSE_X86_64_ASM']
955 elif host_machine.cpu_family() == 'arm'
956 if system_has_kms_drm
957 with_asm_arch = 'arm'
958 pre_args += ['-DUSE_ARM_ASM']
960 elif host_machine.cpu_family() == 'aarch64'
961 if system_has_kms_drm
962 with_asm_arch = 'aarch64'
963 pre_args += ['-DUSE_AARCH64_ASM']
965 elif host_machine.cpu_family() == 'sparc64'
966 if system_has_kms_drm
967 with_asm_arch = 'sparc'
968 pre_args += ['-DUSE_SPARC_ASM']
970 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
971 if system_has_kms_drm
972 with_asm_arch = 'ppc64le'
973 pre_args += ['-DUSE_PPC64LE_ASM']
978 # Check for standard headers and functions
979 if cc.has_header_symbol('sys/sysmacros.h', 'major')
980 pre_args += '-DMAJOR_IN_SYSMACROS'
981 elif cc.has_header_symbol('sys/mkdev.h', 'major')
982 pre_args += '-DMAJOR_IN_MKDEV'
985 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
986 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
987 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
991 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
992 if cc.has_function(f)
993 pre_args += '-DHAVE_@0@'.format(f.to_upper())
997 # strtod locale support
1002 #ifdef HAVE_XLOCALE_H
1003 #include <xlocale.h>
1006 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1007 const char *s = "1.0";
1009 double d = strtod_l(s, end, loc);
1010 float f = strtof_l(s, end, loc);
1015 name : 'strtod has locale support')
1016 pre_args += '-DHAVE_STRTOD_L'
1019 # Check for some linker flags
1020 ld_args_bsymbolic = []
1021 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1022 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1024 ld_args_gc_sections = []
1025 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1026 args : '-Wl,--gc-sections', name : 'gc-sections')
1027 ld_args_gc_sections += '-Wl,--gc-sections'
1029 with_ld_version_script = false
1030 if cc.links('int main() { return 0; }',
1031 args : '-Wl,--version-script=@0@'.format(
1032 join_paths(meson.source_root(), 'build-support/conftest.map')),
1033 name : 'version-script')
1034 with_ld_version_script = true
1036 with_ld_dynamic_list = false
1037 if cc.links('int main() { return 0; }',
1038 args : '-Wl,--dynamic-list=@0@'.format(
1039 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1040 name : 'dynamic-list')
1041 with_ld_dynamic_list = true
1043 ld_args_build_id = []
1044 if build_machine.system() != 'darwin'
1045 ld_args_build_id += '-Wl,--build-id=sha1'
1048 # check for dl support
1049 if cc.has_function('dlopen')
1052 dep_dl = cc.find_library('dl')
1054 if cc.has_function('dladdr', dependencies : dep_dl)
1055 # This is really only required for megadrivers
1056 pre_args += '-DHAVE_DLADDR'
1059 if cc.has_function('dl_iterate_phdr')
1060 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1062 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1063 elif with_dri_i965 and get_option('shader-cache')
1064 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1067 # Determine whether or not the rt library is needed for time functions
1068 if cc.has_function('clock_gettime')
1069 dep_clock = null_dep
1071 dep_clock = cc.find_library('rt')
1074 # TODO: some of these may be conditional
1075 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1076 pre_args += '-DHAVE_ZLIB'
1077 dep_thread = dependency('threads')
1078 if dep_thread.found() and host_machine.system() != 'windows'
1079 pre_args += '-DHAVE_PTHREAD'
1081 'pthread_setaffinity_np',
1082 dependencies : dep_thread,
1083 prefix : '#include <pthread.h>',
1084 args : '-D_GNU_SOURCE')
1085 pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1088 dep_expat = dependency('expat')
1089 # this only exists on linux so either this is linux and it will be found, or
1090 # its not linux and and wont
1091 dep_m = cc.find_library('m', required : false)
1093 # Check for libdrm. various drivers have different libdrm version requirements,
1094 # but we always want to use the same version for all libdrm modules. That means
1095 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1096 # bar are both on use 2.4.3 for both of them
1097 dep_libdrm_amdgpu = null_dep
1098 dep_libdrm_radeon = null_dep
1099 dep_libdrm_nouveau = null_dep
1100 dep_libdrm_etnaviv = null_dep
1101 dep_libdrm_intel = null_dep
1103 _drm_amdgpu_ver = '2.4.95'
1104 _drm_radeon_ver = '2.4.71'
1105 _drm_nouveau_ver = '2.4.66'
1106 _drm_etnaviv_ver = '2.4.89'
1107 _drm_intel_ver = '2.4.75'
1111 ['intel', with_dri_i915 or with_gallium_i915],
1112 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1113 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1114 with_gallium_r300 or with_gallium_r600)],
1115 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1116 ['etnaviv', with_gallium_etnaviv],
1119 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1125 # Loop over the enables versions and get the highest libdrm requirement for all
1128 foreach d : _libdrm_checks
1129 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1130 if d[1] and ver.version_compare('>' + _drm_ver)
1136 message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1139 # Then get each libdrm module
1140 foreach d : _libdrm_checks
1143 'dep_libdrm_' + d[0],
1144 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1149 with_gallium_drisw_kms = false
1150 dep_libdrm = dependency(
1151 'libdrm', version : '>=' + _drm_ver,
1152 required : with_dri2 or with_dri3
1154 if dep_libdrm.found()
1155 pre_args += '-DHAVE_LIBDRM'
1156 if with_dri_platform == 'drm' and with_dri
1157 with_gallium_drisw_kms = true
1161 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1162 llvm_optional_modules = []
1163 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1164 llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1165 if with_gallium_r600
1166 llvm_modules += 'asmparser'
1169 if with_gallium_opencl
1171 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1172 'lto', 'option', 'objcarcopts', 'profiledata',
1174 llvm_optional_modules += ['coroutines']
1177 if with_amd_vk or with_gallium_radeonsi
1178 _llvm_version = '>= 7.0.0'
1179 elif with_gallium_swr
1180 _llvm_version = '>= 6.0.0'
1181 elif with_gallium_opencl or with_gallium_r600
1182 _llvm_version = '>= 3.9.0'
1184 _llvm_version = '>= 3.3.0'
1187 _shared_llvm = get_option('shared-llvm')
1189 _llvm = get_option('llvm')
1193 dep_llvm = dependency(
1195 version : _llvm_version,
1196 modules : llvm_modules,
1197 optional_modules : llvm_optional_modules,
1199 with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1200 with_gallium_opencl or _llvm == 'true'
1202 static : not _shared_llvm,
1204 with_llvm = dep_llvm.found()
1207 _llvm_version = dep_llvm.version().split('.')
1209 # 3 digits versions in LLVM only started from 3.4.1 on
1210 if dep_llvm.version().version_compare('>= 3.4.1')
1211 _llvm_patch = _llvm_version[2]
1217 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1218 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1221 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1222 # programs, so we need to build all C++ code in mesa without rtti as well to
1223 # ensure that linking works.
1224 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1225 cpp_args += '-fno-rtti'
1227 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1228 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1231 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1232 (with_gallium_r600 and with_llvm))
1233 dep_elf = dependency('libelf', required : false)
1234 if not dep_elf.found()
1235 dep_elf = cc.find_library('elf')
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']
1323 dep_xdamage = null_dep
1324 dep_xfixes = null_dep
1325 dep_x11_xcb = null_dep
1327 dep_xcb_glx = null_dep
1328 dep_xcb_dri2 = null_dep
1329 dep_xcb_dri3 = null_dep
1330 dep_dri2proto = null_dep
1331 dep_glproto = null_dep
1332 dep_xxf86vm = null_dep
1333 dep_xcb_dri3 = null_dep
1334 dep_xcb_present = null_dep
1335 dep_xcb_sync = null_dep
1336 dep_xcb_xfixes = null_dep
1337 dep_xshmfence = null_dep
1338 dep_xcb_xrandr = null_dep
1339 dep_xlib_xrandr = null_dep
1340 if with_platform_x11
1341 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1342 dep_x11 = dependency('x11')
1343 dep_xext = dependency('xext')
1344 dep_xcb = dependency('xcb')
1345 elif with_glx == 'dri'
1346 dep_x11 = dependency('x11')
1347 dep_xext = dependency('xext')
1348 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1349 dep_xfixes = dependency('xfixes')
1350 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1352 if (with_any_vk or with_glx == 'dri' or
1353 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1354 with_gallium_omx != 'disabled'))
1355 dep_xcb = dependency('xcb')
1356 dep_x11_xcb = dependency('x11-xcb')
1358 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1359 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1362 pre_args += '-DHAVE_DRI3'
1363 dep_xcb_dri3 = dependency('xcb-dri3')
1364 dep_xcb_present = dependency('xcb-present')
1365 # until xcb-dri3 has been around long enough to make a hard-dependency:
1366 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1367 dep_xcb_present.version().version_compare('>= 1.13'))
1368 pre_args += '-DHAVE_DRI3_MODIFIERS'
1370 dep_xcb_sync = dependency('xcb-sync')
1371 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1374 if with_glx == 'dri'
1375 if with_dri_platform == 'drm'
1376 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1377 dep_xxf86vm = dependency('xxf86vm')
1379 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1382 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1383 with_gallium_omx != 'disabled'))
1384 dep_xcb_xfixes = dependency('xcb-xfixes')
1387 dep_xcb_xrandr = dependency('xcb-randr', version : '>= 1.12')
1388 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1392 if get_option('gallium-extra-hud')
1393 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1396 _sensors = get_option('lmsensors')
1397 if _sensors != 'false'
1398 dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1399 if dep_lmsensors.found()
1400 pre_args += '-DHAVE_LIBSENSORS=1'
1403 dep_lmsensors = null_dep
1406 foreach a : pre_args
1407 add_project_arguments(a, language : ['c', 'cpp'])
1410 add_project_arguments(a, language : ['c'])
1412 foreach a : cpp_args
1413 add_project_arguments(a, language : ['cpp'])
1416 inc_include = include_directories('include')
1420 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1421 gl_priv_reqs += ['x11', 'xext', 'xcb']
1422 elif with_glx == 'dri'
1424 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1426 if with_dri_platform == 'drm'
1427 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1428 gl_priv_reqs += 'xxf86vm'
1431 if dep_libdrm.found()
1432 gl_priv_reqs += 'libdrm >= 2.4.75'
1436 if dep_thread.found()
1437 gl_priv_libs += ['-lpthread', '-pthread']
1440 gl_priv_libs += '-lm'
1443 gl_priv_libs += '-ldl'
1446 pkg = import('pkgconfig')
1448 env_test = environment()
1449 env_test.set('NM', find_program('nm').path())