1 # Copyright © 2017-2019 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 'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', '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_kmsro = _drivers.contains('kmsro')
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_panfrost = _drivers.contains('panfrost')
158 with_gallium_etnaviv = _drivers.contains('etnaviv')
159 with_gallium_tegra = _drivers.contains('tegra')
160 with_gallium_iris = _drivers.contains('iris')
161 with_gallium_i915 = _drivers.contains('i915')
162 with_gallium_svga = _drivers.contains('svga')
163 with_gallium_virgl = _drivers.contains('virgl')
164 with_gallium_swr = _drivers.contains('swr')
166 if cc.get_id() == 'intel'
167 if meson.version().version_compare('< 0.49.0')
168 error('Meson does not have sufficient support of ICC before 0.49.0 to compile mesa')
169 elif with_gallium_swr and meson.version().version_compare('== 0.49.0')
170 warning('Meson as of 0.49.0 is sufficient for compiling mesa with ICC, but there are some caveats with SWR. 0.49.1 should resolve all of these')
174 with_gallium = _drivers.length() != 0 and _drivers != ['']
176 if with_gallium and system_has_kms_drm
177 _glx = get_option('glx')
178 _egl = get_option('egl')
179 if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
184 _vulkan_drivers = get_option('vulkan-drivers')
185 if _vulkan_drivers.contains('auto')
186 if system_has_kms_drm
187 if host_machine.cpu_family().startswith('x86')
188 _vulkan_drivers = ['amd', 'intel']
189 elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
192 error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
193 host_machine.cpu_family()))
195 elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
196 # No vulkan driver supports windows or macOS currently
199 error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
200 host_machine.system()))
204 with_intel_vk = _vulkan_drivers.contains('intel')
205 with_amd_vk = _vulkan_drivers.contains('amd')
206 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
208 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
209 error('Only one swrast provider can be built')
211 if with_dri_i915 and with_gallium_i915
212 error('Only one i915 provider can be built')
214 if with_gallium_kmsro and not (with_gallium_vc4 or with_gallium_etnaviv or with_gallium_freedreno or with_gallium_panfrost)
215 error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost)')
217 if with_gallium_tegra and not with_gallium_nouveau
218 error('tegra driver requires nouveau driver')
221 if host_machine.system() == 'darwin'
222 with_dri_platform = 'apple'
223 elif ['windows', 'cygwin'].contains(host_machine.system())
224 with_dri_platform = 'windows'
225 elif system_has_kms_drm
226 with_dri_platform = 'drm'
228 # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
229 # assert here that one of those cases has been met.
230 # FIXME: illumos ends up here as well
231 with_dri_platform = 'none'
234 _platforms = get_option('platforms')
235 if _platforms.contains('auto')
236 if system_has_kms_drm
237 _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
238 elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
239 _platforms = ['x11', 'surfaceless']
240 elif ['haiku'].contains(host_machine.system())
241 _platforms = ['haiku']
243 error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
244 host_machine.system()))
248 with_platform_android = _platforms.contains('android')
249 with_platform_x11 = _platforms.contains('x11')
250 with_platform_wayland = _platforms.contains('wayland')
251 with_platform_drm = _platforms.contains('drm')
252 with_platform_haiku = _platforms.contains('haiku')
253 with_platform_surfaceless = _platforms.contains('surfaceless')
255 with_platforms = false
256 if _platforms.length() != 0 and _platforms != ['']
257 with_platforms = true
258 egl_native_platform = _platforms[0]
261 _xlib_lease = get_option('xlib-lease')
262 if _xlib_lease == 'auto'
263 with_xlib_lease = with_platform_x11 and with_platform_drm
265 with_xlib_lease = _xlib_lease == 'true'
268 with_glx = get_option('glx')
269 if with_glx == 'auto'
272 elif with_platform_haiku
273 with_glx = 'disabled'
275 # Even when building just gallium drivers the user probably wants dri
277 elif with_platform_x11 and with_any_opengl and not with_any_vk
278 # The automatic behavior should not be to turn on xlib based glx when
279 # building only vulkan drivers
282 with_glx = 'disabled'
291 if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
295 with_any_opengl = false
296 with_shared_glapi = false
299 _gbm = get_option('gbm')
301 with_gbm = system_has_kms_drm and with_dri
303 with_gbm = _gbm == 'true'
305 if with_gbm and not system_has_kms_drm
306 error('GBM only supports DRM/KMS platforms')
309 _egl = get_option('egl')
312 not ['darwin', 'windows'].contains(host_machine.system()) and
313 with_dri and with_shared_glapi and with_platforms
317 error('EGL requires dri')
318 elif not with_shared_glapi
319 error('EGL requires shared-glapi')
320 elif not with_platforms
321 error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
322 elif not ['disabled', 'dri'].contains(with_glx)
323 error('EGL requires dri, but a GLX is being built without dri')
324 elif ['darwin', 'windows'].contains(host_machine.system())
325 error('EGL is not available on Windows or MacOS')
332 if with_egl and not (with_platform_drm or with_platform_surfaceless)
333 if with_gallium_radeonsi
334 error('RadeonSI requires drm or surfaceless platform when using EGL')
336 if with_gallium_virgl
337 error('Virgl requires drm or surfaceless platform when using EGL')
341 pre_args += '-DGLX_USE_TLS'
342 if with_glx != 'disabled'
343 if not (with_platform_x11 and with_any_opengl)
344 error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
345 elif with_glx == 'gallium-xlib'
347 error('Gallium-xlib based GLX requires at least one gallium driver')
348 elif not with_gallium_softpipe
349 error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
351 error('gallium-xlib conflicts with any dri driver')
353 elif with_glx == 'xlib'
355 error('xlib conflicts with any dri driver')
357 elif with_glx == 'dri'
359 error('dri based GLX requires at least one DRI driver')
360 elif not with_shared_glapi
361 error('dri based GLX requires shared-glapi')
366 with_glvnd = get_option('glvnd')
368 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
369 error('Cannot build glvnd support for GLX that is not DRI based.')
370 elif with_glx == 'disabled' and not with_egl
371 error('glvnd requires DRI based GLX and/or EGL')
375 if with_vulkan_icd_dir == ''
376 with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
379 with_dri2 = (with_dri or with_any_vk) and with_dri_platform == 'drm'
380 _dri3 = get_option('dri3')
382 with_dri3 = system_has_kms_drm and with_dri2
384 with_dri3 = _dri3 == 'true'
387 if with_any_vk and (with_platform_x11 and not with_dri3)
388 error('Vulkan drivers require dri3 for X11 support')
391 if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
392 error('building dri drivers require at least one windowing system or classic osmesa')
396 prog_pkgconfig = find_program('pkg-config')
398 _vdpau = get_option('gallium-vdpau')
399 if not system_has_kms_drm
401 error('VDPAU state tracker can only be build on unix-like OSes.')
405 elif not with_platform_x11
407 error('VDPAU state tracker requires X11 support.')
411 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
412 with_gallium_nouveau)
414 error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
420 with_gallium_vdpau = false
422 dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
424 dep_vdpau = declare_dependency(
425 compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
427 with_gallium_vdpau = true
431 if with_gallium_vdpau
432 pre_args += '-DHAVE_ST_VDPAU'
434 vdpau_drivers_path = get_option('vdpau-libs-path')
435 if vdpau_drivers_path == ''
436 vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
439 _xvmc = get_option('gallium-xvmc')
440 if not system_has_kms_drm
442 error('XVMC state tracker can only be build on unix-like OSes.')
446 elif not with_platform_x11
448 error('XVMC state tracker requires X11 support.')
452 elif not (with_gallium_r600 or with_gallium_nouveau)
454 error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
460 with_gallium_xvmc = false
462 dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
463 with_gallium_xvmc = dep_xvmc.found()
466 xvmc_drivers_path = get_option('xvmc-libs-path')
467 if xvmc_drivers_path == ''
468 xvmc_drivers_path = get_option('libdir')
471 _omx = get_option('gallium-omx')
472 if not system_has_kms_drm
473 if ['auto', 'disabled'].contains(_omx)
476 error('OMX state tracker can only be built on unix-like OSes.')
478 elif not (with_platform_x11 or with_platform_drm)
479 if ['auto', 'disabled'].contains(_omx)
482 error('OMX state tracker requires X11 or drm platform support.')
484 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
485 if ['auto', 'disabled'].contains(_omx)
488 error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
491 with_gallium_omx = _omx
494 if ['auto', 'bellagio'].contains(_omx)
495 dep_omx = dependency(
496 'libomxil-bellagio', required : _omx == 'bellagio'
499 with_gallium_omx = 'bellagio'
502 if ['auto', 'tizonia'].contains(_omx)
503 if with_dri and with_egl
504 dep_omx = dependency(
505 'libtizonia', version : '>= 0.10.0',
506 required : _omx == 'tizonia',
509 dependency('libtizplatform', required : _omx == 'tizonia'),
510 dependency('tizilheaders', required : _omx == 'tizonia'),
512 if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
513 with_gallium_omx = 'tizonia'
515 elif _omx == 'tizonia'
516 error('OMX-Tizonia state tracker requires dri and egl')
520 with_gallium_omx = 'disabled'
522 with_gallium_omx = _omx
526 '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
527 '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
531 omx_drivers_path = get_option('omx-libs-path')
533 if with_gallium_omx != 'disabled'
534 # Figure out where to put the omx driver.
535 # FIXME: this could all be vastly simplified by adding a 'defined_variable'
536 # argument to meson's get_pkgconfig_variable method.
537 if omx_drivers_path == ''
538 _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
539 _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
540 if _omx_libdir == get_option('libdir')
541 omx_drivers_path = _omx_drivers_dir
544 # This will fail on windows. Does OMX run on windows?
545 _omx_libdir = _omx_libdir.split('/')
546 _omx_drivers_dir = _omx_drivers_dir.split('/')
547 foreach o : _omx_drivers_dir
548 if not _omx_libdir.contains(o)
552 omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
557 _va = get_option('gallium-va')
558 if not system_has_kms_drm
560 error('VA state tracker can only be built on unix-like OSes.')
564 elif not (with_platform_x11 or with_platform_drm)
566 error('VA state tracker requires X11 or drm or wayland platform support.')
570 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
572 error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
577 with_gallium_va = false
580 dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
582 dep_va_headers = declare_dependency(
583 compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
585 with_gallium_va = true
589 va_drivers_path = get_option('va-libs-path')
590 if va_drivers_path == ''
591 va_drivers_path = join_paths(get_option('libdir'), 'dri')
594 _xa = get_option('gallium-xa')
595 if not system_has_kms_drm
597 error('XA state tracker can only be built on unix-like OSes.')
601 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
602 or with_gallium_svga)
604 error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
609 with_gallium_xa = _xa != 'false'
611 d3d_drivers_path = get_option('d3d-drivers-path')
612 if d3d_drivers_path == ''
613 d3d_drivers_path = join_paths(get_option('libdir'), 'd3d')
616 with_gallium_st_nine = get_option('gallium-nine')
617 if with_gallium_st_nine
618 if not with_gallium_softpipe
619 error('The nine state tracker requires gallium softpipe/llvmpipe.')
620 elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
621 or with_gallium_r300 or with_gallium_svga or with_gallium_i915)
622 error('The nine state tracker requires at least one non-swrast gallium driver.')
625 error('Using nine with wine requires dri3')
629 if get_option('power8') != 'false'
630 # on old versions of meson the cpu family would return as ppc64le on little
631 # endian power8, this was changed in 0.48 such that the family would always
632 # be ppc64 regardless of endianness, and the the machine.endian() value
633 # should be checked. Since we support versions < 0.48 we need to use
635 if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
636 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
637 error('Altivec is not supported with gcc version < 4.8.')
642 vector unsigned char r;
643 vector unsigned int v = vec_splat_u32 (1);
644 r = __builtin_vec_vgbbd ((vector unsigned char) v);
647 args : '-mpower8-vector',
648 name : 'POWER8 intrinsics')
649 pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
650 elif get_option('power8') == 'true'
651 error('POWER8 intrinsic support required but not found.')
656 _opencl = get_option('gallium-opencl')
658 if _opencl != 'disabled'
660 error('OpenCL Clover implementation requires at least one gallium driver.')
663 dep_clc = dependency('libclc')
664 with_gallium_opencl = true
665 with_opencl_icd = _opencl == 'icd'
667 if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
668 #if !defined(__VEC__) || !defined(__ALTIVEC__)
669 #error "AltiVec not enabled"
672 clover_cpp_std += ['cpp_std=gnu++11']
676 with_gallium_opencl = false
677 with_opencl_icd = false
680 gl_pkgconfig_c_flags = []
682 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
683 pre_args += '-DHAVE_X11_PLATFORM'
685 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
686 pre_args += '-DUSE_XSHM'
688 pre_args += '-DGLX_INDIRECT_RENDERING'
690 pre_args += '-DGLX_DIRECT_RENDERING'
692 if with_dri_platform == 'drm'
693 pre_args += '-DGLX_USE_DRM'
694 elif with_dri_platform == 'apple'
695 pre_args += '-DGLX_USE_APPLEGL'
696 elif with_dri_platform == 'windows'
697 pre_args += '-DGLX_USE_WINDOWSGL'
701 pre_args += '-DMESA_EGL_NO_X11_HEADERS'
702 gl_pkgconfig_c_flags += '-DMESA_EGL_NO_X11_HEADERS'
705 if with_egl and not with_gbm
706 error('EGL drm platform requires gbm')
708 pre_args += '-DHAVE_DRM_PLATFORM'
710 if with_platform_surfaceless
711 pre_args += '-DHAVE_SURFACELESS_PLATFORM'
713 if with_platform_android
715 dependency('cutils'),
716 dependency('hardware'),
719 pre_args += '-DHAVE_ANDROID_PLATFORM'
721 if with_platform_haiku
722 pre_args += '-DHAVE_HAIKU_PLATFORM'
725 prog_python = import('python3').find_python()
726 has_mako = run_command(
729 from distutils.version import StrictVersion
731 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
733 if has_mako.returncode() != 0
734 error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
737 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
738 error('When using GCC, version 4.4.6 or later is required.')
741 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
742 if get_option('buildtype') == 'debug'
743 pre_args += '-DDEBUG'
746 if get_option('shader-cache')
747 pre_args += '-DENABLE_SHADER_CACHE'
749 error('Radv requires shader cache support')
752 # Check for GCC style builtins
753 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
754 'ffsll', 'popcount', 'popcountll', 'unreachable']
755 if cc.has_function(b)
756 pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
760 # check for GCC __attribute__
761 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
762 'warn_unused_result', 'weak',]
763 if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
764 name : '__attribute__((@0@))'.format(a))
765 pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
768 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
769 name : '__attribute__((format(...)))')
770 pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
772 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
773 name : '__attribute__((packed))')
774 pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
776 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
777 name : '__attribute__((returns_nonnull))')
778 pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
780 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
781 int foo_hid(void) __attribute__((visibility("hidden")));
782 int foo_int(void) __attribute__((visibility("internal")));
783 int foo_pro(void) __attribute__((visibility("protected")));''',
784 name : '__attribute__((visibility(...)))')
785 pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
787 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
788 name : '__attribute__((alias(...)))')
789 pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
791 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
792 name : '__attribute__((__noreturn__))')
793 pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
796 # TODO: this is very incomplete
797 if ['linux', 'cygwin', 'gnu'].contains(host_machine.system())
798 pre_args += '-D_GNU_SOURCE'
801 # Check for generic C arguments
803 foreach a : ['-Werror=implicit-function-declaration',
804 '-Werror=missing-prototypes', '-Werror=return-type',
806 '-fno-trapping-math', '-Qunused-arguments']
807 if cc.has_argument(a)
812 foreach a : ['missing-field-initializers', 'format-truncation']
813 if cc.has_argument('-W' + a)
814 c_args += '-Wno-' + a
819 if cc.has_argument('-fvisibility=hidden')
820 c_vis_args += '-fvisibility=hidden'
823 # Check for generic C++ arguments
825 foreach a : ['-Werror=return-type',
826 '-fno-math-errno', '-fno-trapping-math',
827 '-Qunused-arguments']
828 if cpp.has_argument(a)
833 # For some reason, the test for -Wno-foo always succeeds with gcc, even if the
834 # option is not supported. Hence, check for -Wfoo instead.
836 foreach a : ['non-virtual-dtor', 'missing-field-initializers', 'format-truncation']
837 if cpp.has_argument('-W' + a)
838 cpp_args += '-Wno-' + a
842 no_override_init_args = []
843 foreach a : ['override-init', 'initializer-overrides']
844 if cc.has_argument('-W' + a)
845 no_override_init_args += '-Wno-' + a
850 if cpp.has_argument('-fvisibility=hidden')
851 cpp_vis_args += '-fvisibility=hidden'
854 # Check for C and C++ arguments for MSVC2013 compatibility. These are only used
855 # in parts of the mesa code base that need to compile with old versions of
856 # MSVC, mainly common code
857 c_msvc_compat_args = []
858 cpp_msvc_compat_args = []
859 foreach a : ['-Werror=pointer-arith', '-Werror=vla']
860 if cc.has_argument(a)
861 c_msvc_compat_args += a
863 if cpp.has_argument(a)
864 cpp_msvc_compat_args += a
868 if host_machine.cpu_family().startswith('x86')
869 pre_args += '-DUSE_SSE41'
871 sse41_args = ['-msse4.1']
873 # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
874 # that's not guaranteed
875 if host_machine.cpu_family() == 'x86'
876 sse41_args += '-mstackrealign'
883 # Check for GCC style atomics
884 dep_atomic = null_dep
886 if cc.compiles('''#include <stdint.h>
891 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
892 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
895 name : 'GCC atomic builtins')
896 pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
898 # Not all atomic calls can be turned into lock-free instructions, in which
899 # GCC will make calls into the libatomic library. Check whether we need to
900 # link with -latomic.
902 # This can happen for 64-bit atomic operations on 32-bit architectures such
904 if not cc.links('''#include <stdint.h>
909 return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
910 (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
912 name : 'GCC atomic builtins required -latomic')
913 dep_atomic = cc.find_library('atomic')
916 if not cc.links('''#include <stdint.h>
919 return __sync_add_and_fetch(&v, (uint64_t)1);
921 dependencies : dep_atomic,
922 name : 'GCC 64bit atomics')
923 pre_args += '-DMISSING_64BIT_ATOMICS'
926 # TODO: shared/static? Is this even worth doing?
928 # When cross compiling we generally need to turn off the use of assembly,
929 # because mesa's assembly relies on building an executable for the host system,
930 # and running it to get information about struct sizes. There is at least one
931 # case of cross compiling where we can use asm, and that's x86_64 -> x86 when
932 # host OS == build OS, since in that case the build machine can run the host's
934 if with_asm and meson.is_cross_build()
935 if build_machine.system() != host_machine.system()
936 # TODO: It may be possible to do this with an exe_wrapper (like wine).
937 message('Cross compiling from one OS to another, disabling assembly.')
939 elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
940 # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
941 # x86 -> x86 cross compile. We use startswith rather than == to handle this
943 # TODO: There may be other cases where the 64 bit version of the
944 # architecture can run 32 bit binaries (aarch64 and armv7 for example)
946 Cross compiling to different architectures, and the host cannot run
947 the build machine's binaries. Disabling assembly.
955 if host_machine.cpu_family() == 'x86'
956 if system_has_kms_drm or host_machine.system() == 'gnu'
957 with_asm_arch = 'x86'
958 pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
961 if with_glx_read_only_text
962 pre_args += ['-DGLX_X86_READONLY_TEXT']
965 elif host_machine.cpu_family() == 'x86_64'
966 if system_has_kms_drm
967 with_asm_arch = 'x86_64'
968 pre_args += ['-DUSE_X86_64_ASM']
970 elif host_machine.cpu_family() == 'arm'
971 if system_has_kms_drm
972 with_asm_arch = 'arm'
973 pre_args += ['-DUSE_ARM_ASM']
975 elif host_machine.cpu_family() == 'aarch64'
976 if system_has_kms_drm
977 with_asm_arch = 'aarch64'
978 pre_args += ['-DUSE_AARCH64_ASM']
980 elif host_machine.cpu_family() == 'sparc64'
981 if system_has_kms_drm
982 with_asm_arch = 'sparc'
983 pre_args += ['-DUSE_SPARC_ASM']
985 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
986 if system_has_kms_drm
987 with_asm_arch = 'ppc64le'
988 pre_args += ['-DUSE_PPC64LE_ASM']
993 # Check for standard headers and functions
994 if cc.has_header_symbol('sys/sysmacros.h', 'major')
995 pre_args += '-DMAJOR_IN_SYSMACROS'
996 elif cc.has_header_symbol('sys/mkdev.h', 'major')
997 pre_args += '-DMAJOR_IN_MKDEV'
1000 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
1001 if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1002 pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1006 foreach f : ['strtof', 'mkostemp', 'posix_memalign', 'timespec_get', 'memfd_create']
1007 if cc.has_function(f)
1008 pre_args += '-DHAVE_@0@'.format(f.to_upper())
1012 # strtod locale support
1017 #ifdef HAVE_XLOCALE_H
1018 #include <xlocale.h>
1021 locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1022 const char *s = "1.0";
1024 double d = strtod_l(s, end, loc);
1025 float f = strtof_l(s, end, loc);
1030 name : 'strtod has locale support')
1031 pre_args += '-DHAVE_STRTOD_L'
1034 # Check for some linker flags
1035 ld_args_bsymbolic = []
1036 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1037 ld_args_bsymbolic += '-Wl,-Bsymbolic'
1039 ld_args_gc_sections = []
1040 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1041 args : '-Wl,--gc-sections', name : 'gc-sections')
1042 ld_args_gc_sections += '-Wl,--gc-sections'
1044 with_ld_version_script = false
1045 if cc.links('int main() { return 0; }',
1046 args : '-Wl,--version-script=@0@'.format(
1047 join_paths(meson.source_root(), 'build-support/conftest.map')),
1048 name : 'version-script')
1049 with_ld_version_script = true
1051 with_ld_dynamic_list = false
1052 if cc.links('int main() { return 0; }',
1053 args : '-Wl,--dynamic-list=@0@'.format(
1054 join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1055 name : 'dynamic-list')
1056 with_ld_dynamic_list = true
1058 ld_args_build_id = []
1059 if build_machine.system() != 'darwin'
1060 ld_args_build_id += '-Wl,--build-id=sha1'
1063 # check for dl support
1064 if cc.has_function('dlopen')
1067 dep_dl = cc.find_library('dl')
1069 if cc.has_function('dladdr', dependencies : dep_dl)
1070 # This is really only required for megadrivers
1071 pre_args += '-DHAVE_DLADDR'
1074 if cc.has_function('dl_iterate_phdr')
1075 pre_args += '-DHAVE_DL_ITERATE_PHDR'
1077 error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1078 elif with_dri_i965 and get_option('shader-cache')
1079 error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1082 # Determine whether or not the rt library is needed for time functions
1083 if cc.has_function('clock_gettime')
1084 dep_clock = null_dep
1086 dep_clock = cc.find_library('rt')
1089 # TODO: some of these may be conditional
1090 dep_zlib = dependency('zlib', version : '>= 1.2.3')
1091 pre_args += '-DHAVE_ZLIB'
1092 dep_thread = dependency('threads')
1093 if dep_thread.found() and host_machine.system() != 'windows'
1094 pre_args += '-DHAVE_PTHREAD'
1096 'pthread_setaffinity_np',
1097 dependencies : dep_thread,
1098 prefix : '#include <pthread.h>',
1099 args : '-D_GNU_SOURCE')
1100 pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1103 dep_expat = dependency('expat')
1104 # this only exists on linux so either this is linux and it will be found, or
1105 # its not linux and and wont
1106 dep_m = cc.find_library('m', required : false)
1108 # Check for libdrm. various drivers have different libdrm version requirements,
1109 # but we always want to use the same version for all libdrm modules. That means
1110 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1111 # bar are both on use 2.4.3 for both of them
1112 dep_libdrm_amdgpu = null_dep
1113 dep_libdrm_radeon = null_dep
1114 dep_libdrm_nouveau = null_dep
1115 dep_libdrm_etnaviv = null_dep
1116 dep_libdrm_intel = null_dep
1118 _drm_amdgpu_ver = '2.4.97'
1119 _drm_radeon_ver = '2.4.71'
1120 _drm_nouveau_ver = '2.4.66'
1121 _drm_etnaviv_ver = '2.4.89'
1122 _drm_intel_ver = '2.4.75'
1126 ['intel', with_dri_i915 or with_gallium_i915],
1127 ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1128 ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1129 with_gallium_r300 or with_gallium_r600)],
1130 ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1131 ['etnaviv', with_gallium_etnaviv],
1134 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1140 # Loop over the enables versions and get the highest libdrm requirement for all
1143 foreach d : _libdrm_checks
1144 ver = get_variable('_drm_@0@_ver'.format(d[0]))
1145 if d[1] and ver.version_compare('>' + _drm_ver)
1151 message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1154 # Then get each libdrm module
1155 foreach d : _libdrm_checks
1158 'dep_libdrm_' + d[0],
1159 dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1164 with_gallium_drisw_kms = false
1165 dep_libdrm = dependency(
1166 'libdrm', version : '>=' + _drm_ver,
1167 required : with_dri2 or with_dri3
1169 if dep_libdrm.found()
1170 pre_args += '-DHAVE_LIBDRM'
1171 if with_dri_platform == 'drm' and with_dri
1172 with_gallium_drisw_kms = true
1176 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1177 llvm_optional_modules = []
1178 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1179 llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1180 if with_gallium_r600
1181 llvm_modules += 'asmparser'
1184 if with_gallium_opencl
1186 'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1187 'lto', 'option', 'objcarcopts', 'profiledata',
1189 llvm_optional_modules += ['coroutines']
1192 if with_amd_vk or with_gallium_radeonsi
1193 _llvm_version = '>= 7.0.0'
1194 elif with_gallium_swr
1195 _llvm_version = '>= 6.0.0'
1196 elif with_gallium_opencl or with_gallium_r600
1197 _llvm_version = '>= 3.9.0'
1199 _llvm_version = '>= 3.3.0'
1202 _shared_llvm = get_option('shared-llvm')
1204 _llvm = get_option('llvm')
1208 dep_llvm = dependency(
1210 version : _llvm_version,
1211 modules : llvm_modules,
1212 optional_modules : llvm_optional_modules,
1214 with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1215 with_gallium_opencl or _llvm == 'true'
1217 static : not _shared_llvm,
1219 with_llvm = dep_llvm.found()
1222 _llvm_version = dep_llvm.version().split('.')
1224 # 3 digits versions in LLVM only started from 3.4.1 on
1225 if dep_llvm.version().version_compare('>= 3.4.1')
1226 _llvm_patch = _llvm_version[2]
1232 '-DHAVE_LLVM=0x0@0@0@1@'.format(_llvm_version[0], _llvm_version[1]),
1233 '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
1236 # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1237 # programs, so we need to build all C++ code in mesa without rtti as well to
1238 # ensure that linking works.
1239 if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1240 if with_gallium_nouveau
1241 error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1243 cpp_args += '-fno-rtti'
1245 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1246 error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1249 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1250 (with_gallium_r600 and with_llvm))
1251 dep_elf = dependency('libelf', required : false)
1252 if not dep_elf.found()
1253 dep_elf = cc.find_library('elf')
1259 dep_glvnd = null_dep
1261 dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1262 pre_args += '-DUSE_LIBGLVND=1'
1265 if with_valgrind != 'false'
1266 dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1267 if dep_valgrind.found()
1268 pre_args += '-DHAVE_VALGRIND'
1271 dep_valgrind = null_dep
1274 # pthread stubs. Lets not and say we didn't
1276 prog_bison = find_program('bison', required : with_any_opengl)
1277 prog_flex = find_program('flex', required : with_any_opengl)
1279 dep_selinux = null_dep
1280 if get_option('selinux')
1281 dep_selinux = dependency('libselinux')
1282 pre_args += '-DMESA_SELINUX'
1285 if with_libunwind != 'false'
1286 dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1287 if dep_unwind.found()
1288 pre_args += '-DHAVE_LIBUNWIND'
1291 dep_unwind = null_dep
1294 if with_osmesa != 'none'
1295 if with_osmesa == 'classic' and not with_dri_swrast
1296 error('OSMesa classic requires dri (classic) swrast.')
1298 if with_osmesa == 'gallium' and not with_gallium_softpipe
1299 error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1301 osmesa_lib_name = 'OSMesa'
1302 osmesa_bits = get_option('osmesa-bits')
1303 if osmesa_bits != '8'
1304 if with_dri or with_glx != 'disabled'
1305 error('OSMesa bits must be 8 if building glx or dir based drivers')
1307 osmesa_lib_name = osmesa_lib_name + osmesa_bits
1309 '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1314 # TODO: symbol mangling
1316 if with_platform_wayland
1317 dep_wl_scanner = dependency('wayland-scanner', native: true)
1318 prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1319 if dep_wl_scanner.version().version_compare('>= 1.15')
1320 wl_scanner_arg = 'private-code'
1322 wl_scanner_arg = 'code'
1324 dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1325 dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1326 dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1328 dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1329 dep_wayland_egl_headers = declare_dependency(
1330 compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1332 wayland_dmabuf_xml = join_paths(
1333 dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1334 'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1336 pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1341 dep_xdamage = null_dep
1342 dep_xfixes = null_dep
1343 dep_x11_xcb = null_dep
1345 dep_xcb_glx = null_dep
1346 dep_xcb_dri2 = null_dep
1347 dep_xcb_dri3 = null_dep
1348 dep_dri2proto = null_dep
1349 dep_glproto = null_dep
1350 dep_xxf86vm = null_dep
1351 dep_xcb_dri3 = null_dep
1352 dep_xcb_present = null_dep
1353 dep_xcb_sync = null_dep
1354 dep_xcb_xfixes = null_dep
1355 dep_xshmfence = null_dep
1356 dep_xcb_xrandr = null_dep
1357 dep_xlib_xrandr = null_dep
1358 if with_platform_x11
1359 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1360 dep_x11 = dependency('x11')
1361 dep_xext = dependency('xext')
1362 dep_xcb = dependency('xcb')
1363 elif with_glx == 'dri'
1364 dep_x11 = dependency('x11')
1365 dep_xext = dependency('xext')
1366 dep_xdamage = dependency('xdamage', version : '>= 1.1')
1367 dep_xfixes = dependency('xfixes')
1368 dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1370 if (with_any_vk or with_glx == 'dri' or with_egl or
1371 (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1372 with_gallium_omx != 'disabled'))
1373 dep_xcb = dependency('xcb')
1374 dep_x11_xcb = dependency('x11-xcb')
1376 if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1377 dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1380 pre_args += '-DHAVE_DRI3'
1381 dep_xcb_dri3 = dependency('xcb-dri3')
1382 dep_xcb_present = dependency('xcb-present')
1383 # until xcb-dri3 has been around long enough to make a hard-dependency:
1384 if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1385 dep_xcb_present.version().version_compare('>= 1.13'))
1386 pre_args += '-DHAVE_DRI3_MODIFIERS'
1388 dep_xcb_sync = dependency('xcb-sync')
1389 dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1392 if with_glx == 'dri'
1393 if with_dri_platform == 'drm'
1394 dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1395 dep_xxf86vm = dependency('xxf86vm')
1397 dep_glproto = dependency('glproto', version : '>= 1.4.14')
1400 with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1401 with_gallium_omx != 'disabled'))
1402 dep_xcb_xfixes = dependency('xcb-xfixes')
1405 dep_xcb_xrandr = dependency('xcb-randr')
1406 dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1410 if get_option('gallium-extra-hud')
1411 pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1414 _sensors = get_option('lmsensors')
1415 if _sensors != 'false'
1416 dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1417 if dep_lmsensors.found()
1418 pre_args += '-DHAVE_LIBSENSORS=1'
1421 dep_lmsensors = null_dep
1424 foreach a : pre_args
1425 add_project_arguments(a, language : ['c', 'cpp'])
1428 add_project_arguments(a, language : ['c'])
1430 foreach a : cpp_args
1431 add_project_arguments(a, language : ['cpp'])
1434 inc_include = include_directories('include')
1438 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1439 gl_priv_reqs += ['x11', 'xext', 'xcb']
1440 elif with_glx == 'dri'
1442 'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1444 if with_dri_platform == 'drm'
1445 gl_priv_reqs += 'xcb-dri2 >= 1.8'
1446 gl_priv_reqs += 'xxf86vm'
1449 if dep_libdrm.found()
1450 gl_priv_reqs += 'libdrm >= 2.4.75'
1454 if dep_thread.found()
1455 gl_priv_libs += ['-lpthread', '-pthread']
1458 gl_priv_libs += '-lm'
1461 gl_priv_libs += '-ldl'
1464 pkg = import('pkgconfig')
1466 env_test = environment()
1467 env_test.set('NM', find_program('nm').path())
1469 # This quirk needs to be applied to sources with functions defined in assembly
1470 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1471 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []