Using built-in specs. COLLECT_GCC=./cc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ./configure --prefix=/usr/ --enable-languages=c,c++,fortran --enable-checking=release --enable-lto Thread model: posix gcc version 4.7.0 (GCC)