I'm sorry ther first one did not work. This seems to be a problem with perl. Got this from someone with the same problem:
>> henry wrote:
>> I executed (on Redhat 7.1) a perl_script which requires Tk_lib ,
>> Then I got a message "Cant locate Tk.pm in @nospam.INC : /usr/local/tk........."
>>I use " rpm -q tk " to find out that tk8.x is installed under /usr/lib
>> ,but I still locate Tk.pm .
>/usr/lib contains the binary libs, not the perl libs.
>If perldoc cannot find Tk.pm, you have to downloa and install it.
>If you know where Tk.pm, ask yourself why Perl cannot see it, i.e.
>it should be in the perl library tree, somewhere in:
>#find /usr/lib/perl5 -name Tk.pm
So the first thing we want to do now is check whether you already have the TK.pm package installed.
If you do we will have to include it in the path. If you do not we will have to install it.
This page seems to concern the same problem:
Maybe it will be of some help???