Why are there a series of technical challenges behind “OMG buy it”>>>

wget -c http://ftp.gnu.org/gnu/glibc/glibc-2.14.tar.xz
tar Jxvf glibc-2.14.tar.xz
cd glibc-2.14
mkdir build
cd build
../configure --prefix=/usr/local/glibc-2.14
make -j4
make install
echo'exportLD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/glibc-2.14/lib' > /etc/profile.d/scripts-path.sh && chmod 755 /etc/profile.d/scripts-path.sh

/etc/profile.d/scripts-path.sh