Unlike with other "./configure-make-make install" sources, ccp4 expects to be unpacked in the same place where it is being installed.
That - at least- is my guess why the configure scripts looks for files under /root/ccp4-6.0.2.
Tim -- Tim Gruene Institut fuer anorganische Chemie Tammannstr. 4 D-37077 Goettingen GPG Key ID = A46BEE1A