trying to install the pbatR package, I was greeted with the error

Error: package 'tcltk' does not have a name space
Execution halted

Directly installing the package tcltk2 returned the following error:

Loading required package: tcltk
Error in firstlib(which.lib.loc, package) :
        Tcl/Tk support is not available on this system

I have seen from previous posts that tcl/tk must be present when R is
installed.
I tried reinstalling R from source using

./configure
make

and although the installation went fine I received the same errors.

Typing rpm -qa|grep tcl returns:
tclx-8.3.5-4
tcl-8.4.7-2
tcl-8.4.7-2

Typing rpm -qa|grep tk returns:
gtkspell-2.0.7-2
atk-1.8.0-2
gtk+-1.2.10-33
gtk2-2.4.13-22
authconfig-gtk-4.6.10-rhel4.3
gtkhtml2-2.6.2-1
gtk-engines-0.12-6.el4
tk-8.4.7-2
gtksourceview-1.1.0-4
gtk-engines-0.12-6.el4
tk-8.4.7-2
gnome-python2-gtkhtml2-2.6.0-3
gtkglarea-1.2.2-16
gtk2-engines-2.2.0-7.el4
gtkhtml3-3.3.2-6.EL
usermode-gtk-1.74-1
atk-1.8.0-2
gtk2-2.4.13-22
pygtk2-libglade-2.4.0-1
gtk+-1.2.10-33
gtkhtml2-2.6.2-1
pygtk2-2.4.0-1

So it seems that tcl and tk are present on the system.  I saw a post
suggesting that I may need some development packages?  What is a good place
to find these packages?

I am running R version 2.5.1 on a Linux machine running Redhat Enterprise 3.


Let me know if you need any more info on the operating system and if there
are any ideas on how to resolve these issues.

Thanks,
Michael Gormley

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