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')
309 with_egl = with_dri and with_shared_glapi and with_platforms
312 error('EGL requires dri')
313 elif not with_shared_glapi
314 error('EGL requires shared-glapi')
315 elif not with_platforms
316 error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
317 elif not ['disabled', 'dri'].contains(with_glx)
318 error('EGL requires dri, but a GLX is being built without dri')
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 if host_machine.cpu_family() == 'ppc64le'
627 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
628 error('Altivec is not supported with gcc version < 4.8.')
633 vector unsigned char r;
634 vector unsigned int v = vec_splat_u32 (1);
635 r = __builtin_vec_vgbbd ((vector unsigned char) v);
638 args : '-mpower8-vector',
639 name : 'POWER8 intrinsics')
640 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
641 elif get_option('power8') == 'true'
642 error('POWER8 intrinsic support required but not found.')
647 _opencl = get_option('gallium-opencl')
648 if _opencl != 'disabled'
650 error('OpenCL Clover implementation requires at least one gallium driver.')
653 dep_clc = dependency('libclc')
654 with_gallium_opencl = true
655 with_opencl_icd = _opencl == 'icd'
658 with_gallium_opencl = false
659 with_gallium_icd = false
662 gl_pkgconfig_c_flags = []
664 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
665 pre_args += '-DHAVE_X11_PLATFORM'
667 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
668 pre_args += '-DUSE_XSHM'
670 pre_args += '-DGLX_INDIRECT_RENDERING'
672 pre_args += '-DGLX_DIRECT_RENDERING'
674 if with_dri_platform == 'drm'
675 pre_args += '-DGLX_USE_DRM'
676 elif with_dri_platform == 'apple'
677 pre_args += '-DGLX_USE_APPLEGL'
678 elif with_dri_platform == 'windows'
679 pre_args += '-DGLX_USE_WINDOWSGL'
683 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
684 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
687 if with_egl and not with_gbm
688 error('EGL drm platform requires gbm')
690 pre_args += '-DHAVE_DRM_PLATFORM'
692 if with_platform_surfaceless
693 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
695 if with_platform_android
697 dependency('cutils'),
698 dependency('hardware'),
701 pre_args += '-DHAVE_ANDROID_PLATFORM'
703 if with_platform_haiku
704 pre_args += '-DHAVE_HAIKU_PLATFORM'
707 prog_python = import('python3').find_python()
708 has_mako = run_command(
711 from distutils.version import StrictVersion
713 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
715 if has_mako.returncode() != 0
716 error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
719 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
720 error('When using GCC, version 4.4.6 or later is required.')
723 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
724 if get_option('buildtype') == 'debug'
725 pre_args += '-DDEBUG'
728 if get_option('shader-cache')
729 pre_args += '-DENABLE_SHADER_CACHE'
731 error('Radv requires shader cache support')
734 # Check for GCC style builtins
735 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
736 'ffsll', 'popcount', 'popcountll', 'unreachable']
737 if cc.has_function(b)
738 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
742 # check for GCC __attribute__
743 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
744 'warn_unused_result', 'weak',]
745 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
746 name : '__attribute__((@0@))'.format(a))
747 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
750 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
751 name : '__attribute__((format(...)))')
752 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
754 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
755 name : '__attribute__((packed))')
756 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
758 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
759 name : '__attribute__((returns_nonnull))')
760 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
762 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
763 int foo_hid(void) __attribute__((visibility("hidden")));
764 int foo_int(void) __attribute__((visibility("internal")));
765 int foo_pro(void) __attribute__((visibility("protected")));''',
766 name : '__attribute__((visibility(...)))')
767 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
769 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
770 name : '__attribute__((alias(...)))')
771 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
773 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
774 name : '__attribute__((__noreturn__))')
775 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
778 # TODO: this is very incomplete
779 if ['linux', 'cygwin'].contains(host_machine.system())
780 pre_args += '-D_GNU_SOURCE'
783 # Check for generic C arguments
785 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
786 '-Werror=missing-prototypes', '-fno-math-errno',
787 '-fno-trapping-math', '-Qunused-arguments']
788 if cc.has_argument(a)
793 foreach a : ['missing-field-initializers', 'format-truncation']
794 if cc.has_argument('-W' + a)
795 c_args += '-Wno-' + a
800 if cc.has_argument('-fvisibility=hidden')
801 c_vis_args += '-fvisibility=hidden'
804 # Check for generic C++ arguments
806 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
807 '-Qunused-arguments']
808 if cpp.has_argument(a)
813 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
814 # option is not supported. Hence, check for -Wfoo instead.
816 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
817 if cpp.has_argument('-W' + a)
818 cpp_args += '-Wno-' + a
822 no_override_init_args = []
823 foreach a : ['override-init', 'initializer-overrides']
824 if cc.has_argument('-W' + a)
825 no_override_init_args += '-Wno-' + a
830 if cpp.has_argument('-fvisibility=hidden')
831 cpp_vis_args += '-fvisibility=hidden'
834 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
835 # in parts of the mesa code base that need to compile with old versions of
836 # MSVC, mainly common code
837 c_msvc_compat_args = []
838 cpp_msvc_compat_args = []
839 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
840 if cc.has_argument(a)
841 c_msvc_compat_args += a
843 if cpp.has_argument(a)
844 cpp_msvc_compat_args += a
848 if host_machine.cpu_family().startswith('x86')
849 pre_args += '-DUSE_SSE41'
851 sse41_args = ['-msse4.1']
853 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
854 # that's not guaranteed
855 if host_machine.cpu_family() == 'x86'
856 sse41_args += '-mstackrealign'
863 # Check for GCC style atomics
864 dep_atomic = null_dep
866 if cc.compiles('''#include <stdint.h>
871 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
872 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
875 name : 'GCC atomic builtins')
876 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
878 # Not all atomic calls can be turned into lock-free instructions, in which
879 # GCC will make calls into the libatomic library. Check whether we need to
880 # link with -latomic.
882 # This can happen for 64-bit atomic operations on 32-bit architectures such
884 if not cc.links('''#include <stdint.h>
889 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
890 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
892 name : 'GCC atomic builtins required -latomic')
893 dep_atomic = cc.find_library('atomic')
896 if not cc.links('''#include <stdint.h>
899 return __sync_add_and_fetch(&v, (uint64_t)1);
901 name : 'GCC 64bit atomics')
902 pre_args += '-DMISSING_64_BIT_ATOMICS'
905 # TODO: shared/static? Is this even worth doing?
907 # When cross compiling we generally need to turn off the use of assembly,
908 # because mesa's assembly relies on building an executable for the host system,
909 # and running it to get information about struct sizes. There is at least one
910 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
911 # host OS == build OS, since in that case the build machine can run the host's
913 if meson.is_cross_build()
914 if build_machine.system() != host_machine.system()
915 # TODO: It may be possible to do this with an exe_wrapper (like wine).
916 message('Cross compiling from one OS to another, disabling assembly.')
918 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
919 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
920 # x86 -> x86 cross compile. We use startswith rather than == to handle this
922 # TODO: There may be other cases where the 64 bit version of the
923 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
925 Cross compiling to different architectures, and the host cannot run
926 the build machine's binaries. Disabling assembly.
934 if host_machine.cpu_family() == 'x86'
935 if system_has_kms_drm
936 with_asm_arch = 'x86'
937 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
940 if with_glx_read_only_text
941 pre_args += ['-DGLX_X86_READONLY_TEXT']
944 elif host_machine.cpu_family() == 'x86_64'
945 if system_has_kms_drm
946 with_asm_arch = 'x86_64'
947 pre_args += ['-DUSE_X86_64_ASM']
949 elif host_machine.cpu_family() == 'arm'
950 if system_has_kms_drm
951 with_asm_arch = 'arm'
952 pre_args += ['-DUSE_ARM_ASM']
954 elif host_machine.cpu_family() == 'aarch64'
955 if system_has_kms_drm
956 with_asm_arch = 'aarch64'
957 pre_args += ['-DUSE_AARCH64_ASM']
959 elif host_machine.cpu_family() == 'sparc64'
960 if system_has_kms_drm
961 with_asm_arch = 'sparc'
962 pre_args += ['-DUSE_SPARC_ASM']
964 elif host_machine.cpu_family() == 'ppc64le'
965 if system_has_kms_drm
966 with_asm_arch = 'ppc64le'
967 pre_args += ['-DUSE_PPC64LE_ASM']
972 # Check for standard headers and functions
973 if cc.has_header_symbol('sys/sysmacros.h', 'major')
974 pre_args += '-DMAJOR_IN_SYSMACROS'
975 elif cc.has_header_symbol('sys/mkdev.h', 'major')
976 pre_args += '-DMAJOR_IN_MKDEV'
979 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
980 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
981 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
985 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
986 if cc.has_function(f)
987 pre_args += '-DHAVE_@0@'.format(f.to_upper())
991 # strtod locale support
996 #ifdef HAVE_XLOCALE_H
1000 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1001 const char *s = "1.0";
1003 double d = strtod_l(s, end, loc);
1004 float f = strtof_l(s, end, loc);
1009 name : 'strtod has locale support')
1010 pre_args += '-DHAVE_STRTOD_L'
1013 # Check for some linker flags
1014 ld_args_bsymbolic = []
1015 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1016 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1018 ld_args_gc_sections = []
1019 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1020 args : '-Wl,--gc-sections', name : 'gc-sections')
1021 ld_args_gc_sections += '-Wl,--gc-sections'
1023 with_ld_version_script = false
1024 if cc.links('int main() { return 0; }',
1025 args : '-Wl,--version-script=@0@'.format(
1026 join_paths(meson.source_root(), 'build-support/conftest.map')),
1027 name : 'version-script')
1028 with_ld_version_script = true
1030 with_ld_dynamic_list = false
1031 if cc.links('int main() { return 0; }',
1032 args : '-Wl,--dynamic-list=@0@'.format(
1033 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1034 name : 'dynamic-list')
1035 with_ld_dynamic_list = true
1037 ld_args_build_id = []
1038 if build_machine.system() != 'darwin'
1039 ld_args_build_id += '-Wl,--build-id=sha1'
1042 # check for dl support
1043 if cc.has_function('dlopen')
1046 dep_dl = cc.find_library('dl')
1048 if cc.has_function('dladdr', dependencies : dep_dl)
1049 # This is really only required for megadrivers
1050 pre_args += '-DHAVE_DLADDR'
1053 if cc.has_function('dl_iterate_phdr')
1054 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1056 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1057 elif with_dri_i965 and get_option('shader-cache')
1058 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1061 # Determine whether or not the rt library is needed for time functions
1062 if cc.has_function('clock_gettime')
1063 dep_clock = null_dep
1065 dep_clock = cc.find_library('rt')
1068 # TODO: some of these may be conditional
1069 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1070 pre_args += '-DHAVE_ZLIB'
1071 dep_thread = dependency('threads')
1072 if dep_thread.found() and host_machine.system() != 'windows'
1073 pre_args += '-DHAVE_PTHREAD'
1075 'pthread_setaffinity_np',
1076 dependencies : dep_thread,
1077 prefix : '#include <pthread.h>',
1078 args : '-D_GNU_SOURCE')
1079 pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1082 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600 or with_gallium_opencl
1083 dep_elf = dependency('libelf', required : false)
1084 if not dep_elf.found()
1085 dep_elf = cc.find_library('elf')
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_freedreno = null_dep
1104 dep_libdrm_intel = null_dep
1106 _drm_amdgpu_ver = '2.4.93'
1107 _drm_radeon_ver = '2.4.71'
1108 _drm_nouveau_ver = '2.4.66'
1109 _drm_etnaviv_ver = '2.4.89'
1110 _drm_freedreno_ver = '2.4.93'
1111 _drm_intel_ver = '2.4.75'
1115 ['intel', with_dri_i915 or with_gallium_i915],
1116 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1117 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1118 with_gallium_r300 or with_gallium_r600)],
1119 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1120 ['etnaviv', with_gallium_etnaviv],
1121 ['freedreno', with_gallium_freedreno],
1124 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1130 # Loop over the enables versions and get the highest libdrm requirement for all
1133 foreach d : _libdrm_checks
1134 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1135 if d[1] and ver.version_compare('>' + _drm_ver)
1141 message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1144 # Then get each libdrm module
1145 foreach d : _libdrm_checks
1148 'dep_libdrm_' + d[0],
1149 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1154 with_gallium_drisw_kms = false
1155 dep_libdrm = dependency(
1156 'libdrm', version : '>=' + _drm_ver,
1157 required : with_dri2 or with_dri3
1159 if dep_libdrm.found()
1160 pre_args += '-DHAVE_LIBDRM'
1161 if with_dri_platform == 'drm' and with_dri
1162 with_gallium_drisw_kms = true
1166 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1167 llvm_optional_modules = []
1168 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1169 llvm_modules += ['amdgpu', 'bitreader', 'ipo']
1170 if with_gallium_r600
1171 llvm_modules += 'asmparser'
1174 if with_gallium_opencl
1176 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1177 'lto', 'option', 'objcarcopts', 'profiledata',
1179 llvm_optional_modules += ['coroutines']
1182 if with_amd_vk or with_gallium_radeonsi
1183 _llvm_version = '>= 6.0.0'
1184 elif with_gallium_swr
1185 _llvm_version = '>= 6.0.0'
1186 elif with_gallium_opencl or with_gallium_r600
1187 _llvm_version = '>= 3.9.0'
1189 _llvm_version = '>= 3.3.0'
1192 _shared_llvm = get_option('shared-llvm')
1194 _llvm = get_option('llvm')
1198 dep_llvm = dependency(
1200 version : _llvm_version,
1201 modules : llvm_modules,
1202 optional_modules : llvm_optional_modules,
1204 with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1205 with_gallium_opencl or _llvm == 'true'
1207 static : not _shared_llvm,
1209 with_llvm = dep_llvm.found()
1212 _llvm_version = dep_llvm.version().split('.')
1214 # 3 digits versions in LLVM only started from 3.4.1 on
1215 if dep_llvm.version().version_compare('>= 3.4.1')
1216 _llvm_patch = _llvm_version[2]
1222 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1223 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1226 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1227 # programs, so we need to build all C++ code in mesa without rtti as well to
1228 # ensure that linking works.
1229 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1230 cpp_args += '-fno-rtti'
1232 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1233 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1236 dep_glvnd = null_dep
1238 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1239 pre_args += '-DUSE_LIBGLVND=1'
1242 if with_valgrind != 'false'
1243 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1244 if dep_valgrind.found()
1245 pre_args += '-DHAVE_VALGRIND'
1248 dep_valgrind = null_dep
1251 # pthread stubs. Lets not and say we didn't
1253 prog_bison = find_program('bison', required : with_any_opengl)
1254 prog_flex = find_program('flex', required : with_any_opengl)
1256 dep_selinux = null_dep
1257 if get_option('selinux')
1258 dep_selinux = dependency('libselinux')
1259 pre_args += '-DMESA_SELINUX'
1262 if with_libunwind != 'false'
1263 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1264 if dep_unwind.found()
1265 pre_args += '-DHAVE_LIBUNWIND'
1268 dep_unwind = null_dep
1271 if with_osmesa != 'none'
1272 if with_osmesa == 'classic' and not with_dri_swrast
1273 error('OSMesa classic requires dri (classic) swrast.')
1275 if with_osmesa == 'gallium' and not with_gallium_softpipe
1276 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1278 osmesa_lib_name = 'OSMesa'
1279 osmesa_bits = get_option('osmesa-bits')
1280 if osmesa_bits != '8'
1281 if with_dri or with_glx != 'disabled'
1282 error('OSMesa bits must be 8 if building glx or dir based drivers')
1284 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1286 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1291 # TODO: symbol mangling
1293 if with_platform_wayland
1294 dep_wl_scanner = dependency('wayland-scanner', native: true)
1295 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1296 if dep_wl_scanner.version().version_compare('>= 1.15')
1297 wl_scanner_arg = 'private-code'
1299 wl_scanner_arg = 'code'
1301 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1302 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1303 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1305 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1306 dep_wayland_egl_headers = declare_dependency(
1307 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1309 wayland_dmabuf_xml = join_paths(
1310 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1311 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1313 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1315 prog_wl_scanner = []
1317 dep_wl_protocols = null_dep
1318 dep_wayland_client = null_dep
1319 dep_wayland_server = null_dep
1320 wayland_dmabuf_xml = ''
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')
1353 dep_xxf86vm = dependency('xxf86vm', required : false)
1355 if (with_any_vk or with_glx == 'dri' or
1356 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1357 with_gallium_omx != 'disabled'))
1358 dep_xcb = dependency('xcb')
1359 dep_x11_xcb = dependency('x11-xcb')
1361 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1362 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1365 pre_args += '-DHAVE_DRI3'
1366 dep_xcb_dri3 = dependency('xcb-dri3')
1367 dep_xcb_present = dependency('xcb-present')
1368 # until xcb-dri3 has been around long enough to make a hard-dependency:
1369 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1370 dep_xcb_present.version().version_compare('>= 1.13'))
1371 pre_args += '-DHAVE_DRI3_MODIFIERS'
1373 dep_xcb_sync = dependency('xcb-sync')
1374 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1377 if with_glx == 'dri'
1378 if with_dri_platform == 'drm'
1379 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
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'
1432 if dep_libdrm.found()
1433 gl_priv_reqs += 'libdrm >= 2.4.75'
1435 if dep_xxf86vm.found()
1436 gl_priv_reqs += 'xxf86vm'
1440 if dep_thread.found()
1441 gl_priv_libs += ['-lpthread', '-pthread']
1444 gl_priv_libs += '-lm'
1447 gl_priv_libs += '-ldl'
1450 pkg = import('pkgconfig')
1452 env_test = environment()
1453 env_test.set('NM', find_program('nm').path())