AC_CHECK_DECLS(basename) (Was: Re: Ping: patches required for --enable-build-with-cxx)

[Ralf Wildenhues]

[ moving from autoconf@ to -patches ]

* Richard Guenther wrote on Tue, Jun 01, 2010 at 01:52:07PM CEST:
> 
> Any progress here?  If we want to switch on --enable-build-with-cxx
> by default then this has to be addressed.

Proposed patches for Autoconf.  Tested with CC=g++ in TESTSUITEFLAGS and
without.

One remaining nit is that the configure cache variables carry the whole
signature, are quite long, and sensitive to white space in the
declaration.  Oh well.  Any other issues with it?

Thanks, and sorry for the long delay,
Ralf
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