obnoxious "not implemented" messages

[Ulrich Drepper]

Zack Weinberg <zack@rabi.phys.columbia.edu> writes:

> The stub long-double math functions print an obnoxious message in
> addition to returning ENOSYS.  Why is this done?  It doesn't help the
> user any; it can cause crashes (e.g. if I close stderr); and it
> collides with expectations that the math functions have no side
> effects.

In this cae it's better to have a crashing program than one which does
not test for plausible results.  If somebody uses the long double
float functions on a platform which does not support them everything
can happen and I think it is better to make this very clear, not only
while compiling where messages can get lost in the bulk of compiler
messages.

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