If you receive the error
/usr/include/krb5.h:2606:24: et/com_err.h: No such file or directory
When compiling, run the following then try again:yum install e2fsprogs-devel
orup2date -u e2fsprogs-devel
For CentOS 6, this file is provided by:
yum install libcom_err-devel libcom_err