Re: Tru64 4.0D declares round* but does not define them

[Bruno Haible]

Ralf Wildenhues wrote:
> On Tru64 4.0D, /usr/include.dtk/math.h declares round, roundf and
> roundl, but I can't find a library that defines them.  Same thing for
> roundf and roundl and respective tests.
> 
> This causes link failures for the test-round* tests:

Confirmed. It affects only round*. The trunc* functions are available.
So, for the round* functions, one needs to check whether both the declaration
and the function exists.

Ben, if you commit a tentative fix into gnulib, I can test it.

Bruno