Step 1: Download glibc-2.14 from GNU Site

# wget http://ftp.gnu.org/gnu/glibc/glibc-2.14.tar.gz

Step 2: Untar and Preparation

# tar zxvf glibc-2.14.tar.gz
# cd glibc-2.14
# mkdir build
# cd build

Step 3: Compile and install

# ../configure --prefix=/usr/local/glibc-2.14
# make -j8
# make install