meson_options.txt - third_party/mesa - Git at Google

 # Copyright © 2017-2019 Intel Corporation

 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:

 # The above copyright notice and this permission notice shall be included in
 # all copies or substantial portions of the Software.

 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.

 option(
   'platforms',
   type : 'array',
   value : ['auto'],
   choices : [
     'auto', 'x11', 'wayland', 'haiku', 'android', 'windows',
   ],
   description : 'window systems to support. If this is set to `auto`, all platforms applicable will be enabled.'
 )
 option(
   'driver-backend',
   type : 'array',
   value : ['drm'],
   choices : [
     'drm', 'magma',
   ],
   description : 'Driver backend'
 )

 option(
   'android-stub',
   type : 'boolean',
   value : false,
   description : 'Build against android-stub',
 )

 option(
   'dri3',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'disabled', 'enabled'],
   description : 'enable support for dri3'
 )
 option(
   'dri-drivers',
   type : 'array',
   value : ['auto'],
   choices : ['auto', 'i915', 'i965', 'r100', 'r200', 'nouveau'],
   description : 'List of dri drivers to build. If this is set to auto all drivers applicable to the target OS/architecture will be built'
 )
 option(
   'dri-drivers-path',
   type : 'string',
   value : '',
   description : 'Location to install dri drivers. Default: $libdir/dri.'
 )
 option(
   'dri-search-path',
   type : 'string',
   value : '',
   description : 'Locations to search for dri drivers, passed as colon separated list. Default: dri-drivers-path.'
 )
 option(
   'gallium-drivers',
   type : 'array',
   value : ['auto'],
   choices : [
     'auto', 'kmsro', 'radeonsi', 'r300', 'r600', 'nouveau', 'freedreno',
     'swrast', 'v3d', 'vc4', 'etnaviv', 'tegra', 'i915', 'svga', 'virgl',
     'swr', 'panfrost', 'iris', 'lima', 'zink', 'd3d12'
   ],
   description : 'List of gallium drivers to build. If this is set to auto all drivers applicable to the target OS/architecture will be built'
 )
 option(
   'gallium-extra-hud',
   type : 'boolean',
   value : false,
   description : 'Enable HUD block/NIC I/O HUD status support',
 )
 option(
   'gallium-vdpau',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'enable gallium vdpau frontend.',
 )
 option(
   'vdpau-libs-path',
   type : 'string',
   value : '',
   description : 'path to put vdpau libraries. defaults to $libdir/vdpau.'
 )
 option(
   'gallium-xvmc',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'enable gallium xvmc frontend.',
 )
 option(
   'xvmc-libs-path',
   type : 'string',
   value : '',
   description : 'path to put xvmc libraries. defaults to $libdir.'
 )
 option(
   'gallium-omx',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'disabled', 'bellagio', 'tizonia'],
   description : 'enable gallium omx frontend.',
 )
 option(
   'omx-libs-path',
   type : 'string',
   value : '',
   description : 'path to put omx libraries. defaults to omx-bellagio pkg-config pluginsdir.'
 )
 option(
   'gallium-va',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'enable gallium va frontend.',
 )
 option(
   'va-libs-path',
   type : 'string',
   value : '',
   description : 'path to put va libraries. defaults to $libdir/dri.'
 )
 option(
   'gallium-xa',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'enable gallium xa frontend.',
 )
 option(
   'gallium-nine',
   type : 'boolean',
   value : false,
   description : 'build gallium "nine" Direct3D 9.x frontend.',
 )
 option(
   'gallium-opencl',
   type : 'combo',
   choices : ['icd', 'standalone', 'disabled'],
   value : 'disabled',
   description : 'build gallium "clover" OpenCL frontend.',
 )
 option(
   'opencl-spirv',
   type : 'boolean',
   value : false,
   description : 'build gallium "clover" OpenCL frontend with SPIR-V binary support.',
 )
 option(
   'opencl-native',
   type : 'boolean',
   value : true,
   description : 'build gallium "clover" OpenCL frontend with native LLVM codegen support.',
 )
 option(
   'static-libclc',
   type : 'array',
   value : [],
   choices : ['spirv', 'spirv64', 'all'],
   description : 'Link libclc SPIR-V statically.',
 )
 option(
   'd3d-drivers-path',
   type : 'string',
   value : '',
   description : 'Location of D3D drivers. Default: $libdir/d3d',
 )
 option(
   'vulkan-drivers',
   type : 'array',
   value : ['auto'],
   choices : ['auto', 'amd', 'broadcom', 'freedreno', 'intel', 'swrast', 'virtio-experimental'],
   description : 'List of vulkan drivers to build. If this is set to auto all drivers applicable to the target OS/architecture will be built'
 )
 option(
   'freedreno-kgsl',
   type : 'boolean',
   value : false,
   description : 'use kgsl backend for freedreno vulkan driver',
 )
 option(
   'shader-cache',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Build with on-disk shader cache support.',
 )
 option(
   'shader-cache-default',
   type : 'boolean',
   value : true,
   description : 'If set to false, the feature is only activated when environment variable MESA_GLSL_CACHE_DISABLE is set to false',
 )
 option(
   'shader-cache-max-size',
   type : 'string',
   value : '',
   description : '''Default value for MESA_GLSL_CACHE_MAX_SIZE enviroment variable.
    If set, determines the maximum size of the on-disk cache of compiled
    GLSL programs, can be overriden by enviroment variable if needed. Should be set to a number optionally followed by
    ``K``, ``M``, or ``G`` to specify a size in kilobytes, megabytes, or
    gigabytes. By default, gigabytes will be assumed. And if unset, a
    maximum size of 1GB will be used.'''
 )
 option(
   'vulkan-icd-dir',
   type : 'string',
   value : '',
   description : 'Location relative to prefix to put vulkan icds on install. Default: $datadir/vulkan/icd.d'
 )
 option(
   'vulkan-layers',
   type : 'array',
   value : [],
   choices : ['device-select', 'intel-nullhw', 'overlay'],
   description : 'List of vulkan layers to build'
 )
 option(
   'shared-glapi',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Whether to build a shared or static glapi. Defaults to false on Windows, true elsewhere'
 )
 option(
   'gles1',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Build support for OpenGL ES 1.x'
 )
 option(
   'gles2',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Build support for OpenGL ES 2.x and 3.x'
 )
 option(
   'opengl',
   type : 'boolean',
   value : true,
   description : 'Build support for OpenGL (all versions)'
 )
 option(
   'gbm',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Build support for gbm platform'
 )
 option(
   'glx',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'disabled', 'dri', 'xlib', 'gallium-xlib'],
   description : 'Build support for GLX platform'
 )
 option(
   'egl',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Build support for EGL platform'
 )
 option(
   'glvnd',
   type : 'boolean',
   value : false,
   description : 'Enable GLVND support.'
 )
 option(
   'microsoft-clc',
   type : 'feature',
   value : 'auto',
   description : 'Build support for the Microsoft CLC to DXIL compiler'
 )
 option(
   'spirv-to-dxil',
   type : 'boolean',
   value : false,
   description : 'Build support for the SPIR-V to DXIL library'
 )
 option(
   'glvnd-vendor-name',
   type : 'string',
   value : 'mesa',
   description : 'Vendor name string to use for glvnd libraries'
 )
 option(
    'glx-read-only-text',
    type : 'boolean',
    value : false,
    description : 'Disable writable .text section on x86 (decreases performance)'
 )
 option(
   'llvm',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Build with LLVM support.'
 )
 option(
   'shared-llvm',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Whether to link LLVM shared or statically.'
 )
 option(
   'draw-use-llvm',
   type : 'boolean',
   value : 'true',
   description : 'Whether to use LLVM for the Gallium draw module, if LLVM is included.'
 )
 option(
   'valgrind',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Build with valgrind support'
 )
 option(
   'libunwind',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Use libunwind for stack-traces'
 )
 option(
   'lmsensors',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Enable HUD lmsensors support.'
 )
 option(
   'build-tests',
   type : 'boolean',
   value : false,
   description : 'Build unit tests. Currently this will build *all* unit tests except the ACO tests, which may build more than expected.'
 )
 option(
   'build-aco-tests',
   type : 'boolean',
   value : false,
   description : 'Build ACO tests. These require RADV and glslang but not an AMD GPU.'
 )
 option(
   'install-intel-gpu-tests',
   type : 'boolean',
   value : false,
   description : 'Build and install Intel unit tests which require the GPU.  This option is for developers and the Intel CI system only.'
 )
 option(
   'selinux',
   type : 'boolean',
   value : false,
   description : 'Build an SELinux-aware Mesa'
 )
 option(
   'osmesa',
   type : 'boolean',
   value : false,
   description : 'Build OSmesa.'
 )
 option(
   'osmesa-bits',
   type : 'combo',
   value : '8',
   choices : ['8', '16', '32'],
   description : 'Number of channel bits for OSMesa.'
 )
 option(
   'swr-arches',
   type : 'array',
   value : ['avx', 'avx2'],
   choices : ['avx', 'avx2', 'knl', 'skx'],
   description : 'Architectures to build SWR support for.',
 )
 option(
   'shared-swr',
   type : 'boolean',
   value : true,
   description : 'Whether to link SWR shared or statically.',
 )

 option(
   'tools',
   type : 'array',
   value : [],
   choices : ['drm-shim', 'etnaviv', 'freedreno', 'glsl', 'intel', 'intel-ui', 'nir', 'nouveau', 'xvmc', 'lima', 'panfrost', 'all'],
   description : 'List of tools to build. (Note: `intel-ui` selects `intel`)',
 )
 option(
   'power8',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Enable power8 optimizations.',
 )
 option(
   'xlib-lease',
   type : 'combo',
   value : 'auto',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   description : 'Enable VK_EXT_acquire_xlib_display.'
 )
 option(
   'glx-direct',
   type : 'boolean',
   value : true,
   description : 'Enable direct rendering in GLX and EGL for DRI',
 )
 option(
   'prefer-iris',
   type : 'boolean',
   value : true,
   description : 'Prefer new Intel iris driver over older i965 driver'
 )
 option('egl-lib-suffix',
   type : 'string',
   value : '',
   description : 'Suffix to append to EGL library name.  Default: none.'
 )
 option(
   'gles-lib-suffix',
   type : 'string',
   value : '',
   description : 'Suffix to append to GLES library names.  Default: none.'
 )
 option(
   'platform-sdk-version',
   type : 'integer',
   min : 25,
   max : 28,
   value : 25,
   description : 'Android Platform SDK version. Default: Nougat version.'
 )
 option(
   'zstd',
   type : 'combo',
   choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
   value : 'auto',
   description : 'Use ZSTD instead of ZLIB in some cases.'
 )
 option(
    'zlib',
    type : 'feature',
    value : 'enabled',
    description : 'Use ZLIB to build driver. Default: enabled'
 )
 option(
   'sse2',
   type : 'boolean',
   value : true,
   description : 'use msse2 flag for mingw x86. Default: true',
 )
	# Copyright © 2017-2019 Intel Corporation

	# Permission is hereby granted, free of charge, to any person obtaining a copy
	# of this software and associated documentation files (the "Software"), to deal
	# in the Software without restriction, including without limitation the rights
	# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	# copies of the Software, and to permit persons to whom the Software is
	# furnished to do so, subject to the following conditions:

	# The above copyright notice and this permission notice shall be included in
	# all copies or substantial portions of the Software.

	# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	# SOFTWARE.

	option(
	'platforms',
	type : 'array',
	value : ['auto'],
	choices : [
	'auto', 'x11', 'wayland', 'haiku', 'android', 'windows',
	],
	description : 'window systems to support. If this is set to `auto`, all platforms applicable will be enabled.'
	)
	option(
	'driver-backend',
	type : 'array',
	value : ['drm'],
	choices : [
	'drm', 'magma',
	],
	description : 'Driver backend'
	)

	option(
	'android-stub',
	type : 'boolean',
	value : false,
	description : 'Build against android-stub',
	)

	option(
	'dri3',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'disabled', 'enabled'],
	description : 'enable support for dri3'
	)
	option(
	'dri-drivers',
	type : 'array',
	value : ['auto'],
	choices : ['auto', 'i915', 'i965', 'r100', 'r200', 'nouveau'],
	description : 'List of dri drivers to build. If this is set to auto all drivers applicable to the target OS/architecture will be built'
	)
	option(
	'dri-drivers-path',
	type : 'string',
	value : '',
	description : 'Location to install dri drivers. Default: $libdir/dri.'
	)
	option(
	'dri-search-path',
	type : 'string',
	value : '',
	description : 'Locations to search for dri drivers, passed as colon separated list. Default: dri-drivers-path.'
	)
	option(
	'gallium-drivers',
	type : 'array',
	value : ['auto'],
	choices : [
	'auto', 'kmsro', 'radeonsi', 'r300', 'r600', 'nouveau', 'freedreno',
	'swrast', 'v3d', 'vc4', 'etnaviv', 'tegra', 'i915', 'svga', 'virgl',
	'swr', 'panfrost', 'iris', 'lima', 'zink', 'd3d12'
	],
	description : 'List of gallium drivers to build. If this is set to auto all drivers applicable to the target OS/architecture will be built'
	)
	option(
	'gallium-extra-hud',
	type : 'boolean',
	value : false,
	description : 'Enable HUD block/NIC I/O HUD status support',
	)
	option(
	'gallium-vdpau',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'enable gallium vdpau frontend.',
	)
	option(
	'vdpau-libs-path',
	type : 'string',
	value : '',
	description : 'path to put vdpau libraries. defaults to $libdir/vdpau.'
	)
	option(
	'gallium-xvmc',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'enable gallium xvmc frontend.',
	)
	option(
	'xvmc-libs-path',
	type : 'string',
	value : '',
	description : 'path to put xvmc libraries. defaults to $libdir.'
	)
	option(
	'gallium-omx',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'disabled', 'bellagio', 'tizonia'],
	description : 'enable gallium omx frontend.',
	)
	option(
	'omx-libs-path',
	type : 'string',
	value : '',
	description : 'path to put omx libraries. defaults to omx-bellagio pkg-config pluginsdir.'
	)
	option(
	'gallium-va',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'enable gallium va frontend.',
	)
	option(
	'va-libs-path',
	type : 'string',
	value : '',
	description : 'path to put va libraries. defaults to $libdir/dri.'
	)
	option(
	'gallium-xa',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'enable gallium xa frontend.',
	)
	option(
	'gallium-nine',
	type : 'boolean',
	value : false,
	description : 'build gallium "nine" Direct3D 9.x frontend.',
	)
	option(
	'gallium-opencl',
	type : 'combo',
	choices : ['icd', 'standalone', 'disabled'],
	value : 'disabled',
	description : 'build gallium "clover" OpenCL frontend.',
	)
	option(
	'opencl-spirv',
	type : 'boolean',
	value : false,
	description : 'build gallium "clover" OpenCL frontend with SPIR-V binary support.',
	)
	option(
	'opencl-native',
	type : 'boolean',
	value : true,
	description : 'build gallium "clover" OpenCL frontend with native LLVM codegen support.',
	)
	option(
	'static-libclc',
	type : 'array',
	value : [],
	choices : ['spirv', 'spirv64', 'all'],
	description : 'Link libclc SPIR-V statically.',
	)
	option(
	'd3d-drivers-path',
	type : 'string',
	value : '',
	description : 'Location of D3D drivers. Default: $libdir/d3d',
	)
	option(
	'vulkan-drivers',
	type : 'array',
	value : ['auto'],
	choices : ['auto', 'amd', 'broadcom', 'freedreno', 'intel', 'swrast', 'virtio-experimental'],
	description : 'List of vulkan drivers to build. If this is set to auto all drivers applicable to the target OS/architecture will be built'
	)
	option(
	'freedreno-kgsl',
	type : 'boolean',
	value : false,
	description : 'use kgsl backend for freedreno vulkan driver',
	)
	option(
	'shader-cache',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Build with on-disk shader cache support.',
	)
	option(
	'shader-cache-default',
	type : 'boolean',
	value : true,
	description : 'If set to false, the feature is only activated when environment variable MESA_GLSL_CACHE_DISABLE is set to false',
	)
	option(
	'shader-cache-max-size',
	type : 'string',
	value : '',
	description : '''Default value for MESA_GLSL_CACHE_MAX_SIZE enviroment variable.
	If set, determines the maximum size of the on-disk cache of compiled
	GLSL programs, can be overriden by enviroment variable if needed. Should be set to a number optionally followed by
	``K``, ``M``, or ``G`` to specify a size in kilobytes, megabytes, or
	gigabytes. By default, gigabytes will be assumed. And if unset, a
	maximum size of 1GB will be used.'''
	)
	option(
	'vulkan-icd-dir',
	type : 'string',
	value : '',
	description : 'Location relative to prefix to put vulkan icds on install. Default: $datadir/vulkan/icd.d'
	)
	option(
	'vulkan-layers',
	type : 'array',
	value : [],
	choices : ['device-select', 'intel-nullhw', 'overlay'],
	description : 'List of vulkan layers to build'
	)
	option(
	'shared-glapi',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Whether to build a shared or static glapi. Defaults to false on Windows, true elsewhere'
	)
	option(
	'gles1',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Build support for OpenGL ES 1.x'
	)
	option(
	'gles2',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Build support for OpenGL ES 2.x and 3.x'
	)
	option(
	'opengl',
	type : 'boolean',
	value : true,
	description : 'Build support for OpenGL (all versions)'
	)
	option(
	'gbm',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Build support for gbm platform'
	)
	option(
	'glx',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'disabled', 'dri', 'xlib', 'gallium-xlib'],
	description : 'Build support for GLX platform'
	)
	option(
	'egl',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Build support for EGL platform'
	)
	option(
	'glvnd',
	type : 'boolean',
	value : false,
	description : 'Enable GLVND support.'
	)
	option(
	'microsoft-clc',
	type : 'feature',
	value : 'auto',
	description : 'Build support for the Microsoft CLC to DXIL compiler'
	)
	option(
	'spirv-to-dxil',
	type : 'boolean',
	value : false,
	description : 'Build support for the SPIR-V to DXIL library'
	)
	option(
	'glvnd-vendor-name',
	type : 'string',
	value : 'mesa',
	description : 'Vendor name string to use for glvnd libraries'
	)
	option(
	'glx-read-only-text',
	type : 'boolean',
	value : false,
	description : 'Disable writable .text section on x86 (decreases performance)'
	)
	option(
	'llvm',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Build with LLVM support.'
	)
	option(
	'shared-llvm',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Whether to link LLVM shared or statically.'
	)
	option(
	'draw-use-llvm',
	type : 'boolean',
	value : 'true',
	description : 'Whether to use LLVM for the Gallium draw module, if LLVM is included.'
	)
	option(
	'valgrind',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Build with valgrind support'
	)
	option(
	'libunwind',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Use libunwind for stack-traces'
	)
	option(
	'lmsensors',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Enable HUD lmsensors support.'
	)
	option(
	'build-tests',
	type : 'boolean',
	value : false,
	description : 'Build unit tests. Currently this will build all unit tests except the ACO tests, which may build more than expected.'
	)
	option(
	'build-aco-tests',
	type : 'boolean',
	value : false,
	description : 'Build ACO tests. These require RADV and glslang but not an AMD GPU.'
	)
	option(
	'install-intel-gpu-tests',
	type : 'boolean',
	value : false,
	description : 'Build and install Intel unit tests which require the GPU. This option is for developers and the Intel CI system only.'
	)
	option(
	'selinux',
	type : 'boolean',
	value : false,
	description : 'Build an SELinux-aware Mesa'
	)
	option(
	'osmesa',
	type : 'boolean',
	value : false,
	description : 'Build OSmesa.'
	)
	option(
	'osmesa-bits',
	type : 'combo',
	value : '8',
	choices : ['8', '16', '32'],
	description : 'Number of channel bits for OSMesa.'
	)
	option(
	'swr-arches',
	type : 'array',
	value : ['avx', 'avx2'],
	choices : ['avx', 'avx2', 'knl', 'skx'],
	description : 'Architectures to build SWR support for.',
	)
	option(
	'shared-swr',
	type : 'boolean',
	value : true,
	description : 'Whether to link SWR shared or statically.',
	)

	option(
	'tools',
	type : 'array',
	value : [],
	choices : ['drm-shim', 'etnaviv', 'freedreno', 'glsl', 'intel', 'intel-ui', 'nir', 'nouveau', 'xvmc', 'lima', 'panfrost', 'all'],
	description : 'List of tools to build. (Note: `intel-ui` selects `intel`)',
	)
	option(
	'power8',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Enable power8 optimizations.',
	)
	option(
	'xlib-lease',
	type : 'combo',
	value : 'auto',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	description : 'Enable VK_EXT_acquire_xlib_display.'
	)
	option(
	'glx-direct',
	type : 'boolean',
	value : true,
	description : 'Enable direct rendering in GLX and EGL for DRI',
	)
	option(
	'prefer-iris',
	type : 'boolean',
	value : true,
	description : 'Prefer new Intel iris driver over older i965 driver'
	)
	option('egl-lib-suffix',
	type : 'string',
	value : '',
	description : 'Suffix to append to EGL library name. Default: none.'
	)
	option(
	'gles-lib-suffix',
	type : 'string',
	value : '',
	description : 'Suffix to append to GLES library names. Default: none.'
	)
	option(
	'platform-sdk-version',
	type : 'integer',
	min : 25,
	max : 28,
	value : 25,
	description : 'Android Platform SDK version. Default: Nougat version.'
	)
	option(
	'zstd',
	type : 'combo',
	choices : ['auto', 'true', 'false', 'enabled', 'disabled'],
	value : 'auto',
	description : 'Use ZSTD instead of ZLIB in some cases.'
	)
	option(
	'zlib',
	type : 'feature',
	value : 'enabled',
	description : 'Use ZLIB to build driver. Default: enabled'
	)
	option(
	'sse2',
	type : 'boolean',
	value : true,
	description : 'use msse2 flag for mingw x86. Default: true',
	)