New comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/26034#issuecomment-720009266

Comment:
Yes, it can't be fixed without invasive change to `xbps-src`. If you want to have `ccache` with man-pages and test, I think it's better to convert current `ccache` to `chroot-ccache` or `cripple-ccache` and build another `ccache` for outside.