[root@localhost gcc-4.1.2]# /opt/gcc-4.1.2/configure -prefix=/opt/gcc-build/ --enable-threads=posix --disable-checking --enable--long-long --host=i386-redhat-linux --with-system-zlib --enable-languages=c,c++,java
loading cache ./config.cache
checking host system type... i386-redhat-linux-gnu
checking target system type... i386-redhat-linux-gnu
checking build system type... i386-redhat-linux-gnu
checking for a BSD compatible install... /usr/bin/install -c
checking whether ln works... yes
checking whether ln -s works... yes
checking for gcc... no
checking for cc... no
configure: error: no acceptable cc found in $PATH