the 1st error you are getting is because of openssl.
2nd error message might be coming as you might not have libtiff installed. Try compiling and installing libtiff first.
You can try installing using rpms but i doubt any rpms will be available for your old red hat kernel. Even with rpms you have to install the dependencies first.
If you are not able to build it from source, i'll advise you to use a new version of Linux like Fedora Core 8 or 9 which comes with Qt 4. So, you can install Qt 4 and other dependencies while installing the OS itself.
If you have a working internet connection i'll advise you to use Ubuntu as in Ubuntu you can easily install software using internet. The best part is that it automatically downloads and installs all dependencies.
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