It is very dependent on the configuration of CCache whether usage of CCache will fail the whole build process or not. In my case, the problem was that CCache has been trying to create a .ccache directory inside /var/empty and didn't have permissions either to do so or to access it.
Add the following to the default
apacman.conf:It is very dependent on the configuration of CCache whether usage of CCache will fail the whole build process or not. In my case, the problem was that CCache has been trying to create a
.ccachedirectory inside/var/emptyand didn't have permissions either to do so or to access it.