Please John, advise me :/

[root@oc8172132426 hamster-applet]# ./waf configure build --prefix=/usr
Checking for program python              : /usr/bin/python
Checking for Python version >= 2.4.2     : ok 2.6.6
Checking for program glib-genmarshal     : not found
Checking for program glib-mkenums        : not found
Checking for program dbus-binding-tool   : /usr/bin/dbus-binding-tool
Checking for program docbook2man         : not found
Checking for program xml2po              : not found
Checking for program xsltproc            : /usr/bin/xsltproc
Checking for program msgfmt              : /usr/bin/msgfmt
Checking for program intltool-merge      : not found
/root/hamster-applet/wscript:14: error: The program intltool-merge (intltool, gettext-devel) is mandatory!
[root@oc8172132426 hamster-applet]# su -c ./waf install
su: user install does not exist
[root@oc8172132426 hamster-applet]#
[root@oc8172132426 hamster-applet]# cat /etc/redhat-release
Red Hat Enterprise Linux Workstation release 6.5 (Santiago)