PATCH: Fix libstdc++ testsuite on systems without ranlib

[Rainer Orth]

Paolo Carlini <paolo.carlini@oracle.com> writes:

> Bah... if the other maintainers want this, certainly I'm not going to
> prevent it from going in, but frankly taking care now, for the first
> time, of the needs of irix5.3 seems to me a bit ridiculous. Or you have
> evidence that other modern targets are affected?

Not yet, but irrespective of the needs of IRIX 5, there is a bug here:
the libstdc++ testsuite expects to find AR and RANLIB in the
environment, only falling back to hardcoded values if they are missing,
and they are not passed.  This is obviously wrong.

	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University