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Redhat 7.1 ships with gcc "2.96", which isn't a real GCC
release. I've had trouble compiling a few things out of the
box... the situation improves if you build yourself a clean
GCC from source code, either version 2.95.3 (which has
worked well for me) or the latest 3.0.x (currently 3.0.2, I
believe - I haven't tried 3.0.x myself, however).

Of course, this may not be your specific problem, but the
symptoms you mention seem familiar.