Using built-in specs. COLLECT_GCC=./cc COLLECT_LTO_WRAPPER=/opt/gcc-4.8.0/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../configure --prefix=/opt/gcc-4.8.0 --enable-languages=c,c++,fortran --enable-bootstrap --disable-nls --disable-multilib Thread model: posix gcc version 4.8.0 (GCC)