FYI....
jazzy 315 % ./config.guess i686-pc-linux-gnu jazzy 316 % /usr/local/bin/gcc -v Using built-in specs. Target: i686-pc-linux-gnu Configured with: /tmp/gcc-4.3.1/configure --enable-version-specific-runtime-libs --enable-languages=c,c++,fortran,objc,java --enable-shared --enable-bootstrap --with-gmp-include=/cs/local/include --with-mpfr-include=/cs/local/include --with-gmp-lib=/cs/local/lib --with-mpfr-lib=/cs/local/lib Thread model: posix gcc version 4.3.1 (GCC) jazzy 317 % cat /etc/issue CentOS release 4.6 (Final) Kernel \r on an \m jazzy 318 % uname -a Linux jazzy 2.6.9-67.0.15.EL.CSE.smp #1 SMP Mon May 12 14:06:12 EDT 2008 i686 i686 i386 GNU/Linux jazzy 319 % rpm -q glibc glibc-2.3.4-2.39