Centos 6.4 gcc 4.8.1

编译参数：

../gcc-4.8.1/configure --prefix=/usr/local/gcc-4.8.1 --disable-multilib --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java --disable-dssi --enable-libgcj-multifile --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-centos-linux

i5 3570 用是9分

make -j 4