[libstdc++] Add --disable-hosted-libstdcxx, clean up conditionals

[Zack Weinberg]

Gabriel Dos Reis <gdr@integrable-solutions.net> writes:

> Phil Edwards <phil@jaj.com> writes:
>
> | On Thu, Aug 28, 2003 at 11:32:17AM +0200, Gabriel Dos Reis wrote:
> | > Phil Edwards <phil@jaj.com> writes:
> | > 
> | > | The main point of this patch is --disable-hosted-libstdcxx, which will
> | > 
> | > This flag should read --disable-hosted-libstdc++ for clearity,
> | > consistency.  The hosted library is not named libstdcxx, but libstdc++.
> | 
> | All the other configure options were recently changed /from/ libstdc++
> | to libstdcxx, at the request of toplevel maintainers.  I happen to agree
> | with it, but even if I didn't, it was made for valid reasons.
>
> Do you think my request is based on non-valid reasons?

Technical limitations of Bourne shell unfortunately have to trump
aesthetics.

zw