Reverting of #2004 and #1457 (Configure.pl --cxx)

[James E Keenan]

Jonathan "Duke" Leto wrote:
> +1 to bring the option back and send improvements upstream if necessary
> On Mar 28, 2011 6:41 PM, "Christoph Otto"<christoph at mksig.org>  wrote:
>>
>> Let's revert the --cxx=... removal. It was taken out because it wasn't
> used
>> by anything after we stopped bundling icu. Now that there's a use, there's
> a
>> reason for it to exist again.
>>

Please open a TT ticket and assign it to me.  Please include the 
rationale for restoration and make any desired bells and whistles clear.

Thanks.

kid51