CCACHE

ccache is a compiler cache. It speeds up recompilation by caching
previous compilations and detecting when the same compilation is being
done again. Supported languages are C, C++, Objective-C and
Objective-C++.

Install ccache before use this patch.

idea is taken
here -
https://github.com/Lens-F/Kangaroo_Kernel/commit/8245b6a89401f35cdd07e0cfc4f00d0869df8445