[Rd] core dump on 64-bit Solaris (PR#990)

[Kurt Hornik]

>>>>> tlumley  writes:

> The crash is caused by a bus error: address alignment. Recompiling without
> -lsunperf and with -dalign fixes it.

> I think there is a configuration issue here (not for 1.3.0,
> though). The documentation for the Sun BLAS says that -dalign is
> needed, but the default configuration is to use the Sun BLAS and not
> -dalign.

Ok.  Note that this part of the configure code is taken from Octave,
which used to be reliable.  It would be great if we could pass info on
problems and solutions on to John Eaton as well (in particular as I
think that at some point of time there was talk about adding the code to
the autoconf contrib archive).

We had a related problem last week, resulting in dropping CXML/DXML
support due to problems on 64-bit platforms with gcc (if I recall
correctly).

Hmm ...

-k
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