Hello I got a board (Rockchip RV1126), whose NPU driver kernel module is distributed in binary form, which requires specific kernel version (4.19.111) and toolchain version (gcc 10.3)
( I built the yocto with the specified kernel version, but using yocto shipped gcc 11, when I insmod, the driver reported invalid module format, and modprobe reported invalid exec format, I guess that is due to gcc version is incompatible ) I'm building the system with yocto kirkstone, which ships gcc 11. Can I have some way to just specify using external toolchain with prebuilt gcc 10.3 while other system still be built with default yocto shipped toolchain? I have seen meta-external-toolchain and meta-soucery, but it seems it will replace whole toolchain with this external version. Can I find a mean to just specify for building kernel ? Thanks
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