Need help installing mesa

[adcdam]

please dont tell me to wait i need new version of mesa now

latest version of mesa in kits 1.2 is 17.2.8

i copy a ebuild from Gentoo version 18.2.3

i updated lots of packes that were really old

i did ebuild mesa-18.2.3 digest

and then

sudo emerge =mesa-18.2.3

i got this

Calculating dependencies... done!

emerge: there are no ebuilds built with USE flags to satisfy "dev-libs/ocl-icd[khronos-headers,abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_ppc_32(-)?,abi_ppc_64(-)?,abi_s390_32(-)?,abi_s390_64(-)?]".
!!! One of the following packages is required to complete your request:
- dev-libs/ocl-icd-2.2.11::dev-kit (Missing IUSE: khronos-headers)
- dev-libs/ocl-icd-2.2.8::dev-kit (Missing IUSE: khronos-headers)
- dev-libs/ocl-icd-2.2.3::dev-kit (Missing IUSE: khronos-headers)
- dev-libs/ocl-icd-2.1.3::dev-kit (Missing IUSE: khronos-headers)
(dependency required by "media-libs/mesa-18.2.3::xorg-kit" [ebuild])
(dependency required by "=media-libs/mesa-18.2.3" [argument])

how do i solve this to install latest version of mesa?

[adcdam]

I was able to install mesa 18.2.3 with the help of user Otakku, telegram funtoo group can be very useful!!

needed to update lots of packges including llvm and clang.