dear, please just didn't understand the problem that appears when i try to install ./configure here is the message that appears in unix when installing gcc
root@ccbtest # ./configure
checking build system type... /bin/bash: ./config.guess: No such file or directory
configure: error: cannot guess build type; you must specify one
root@ccbtest #
You're trying to compile gcc, so you can use it to compile things. That is a catch-22. To compile gcc, you need a compiler.
Try installing gcc the normal way, using whatever your distribution's package manager is, instead of building it by hand. Unless you're using a source-only distro there's almost almost almost never a reason to build it by hand.