Using built-in specs. COLLECT_GCC=./cc COLLECT_LTO_WRAPPER=/home/phoronix/gcc49/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ./configure --enable-checking=release --prefix=/home/phoronix/gcc49 Thread model: posix gcc version 4.9.0 20140411 (prerelease) (GCC)