Patch to update libtool in GCC and binutils trees

[Benjamin Kosnik]

>> It seems to me that adding ${ml_config_env} to the end of the
>> ${ml_recprog} command line in config-ml.in shoudl do it.  I.e.:
>>
>>      if eval ${ml_config_env} ${ml_config_shell} ${ml_recprog} \
>>  	--with-multisubdir=${ml_dir} --with-multisrctop=${multisrctop} \
>> -	${ac_configure_args} ${ml_srcdiroption} ; then
>> +	${ac_configure_args} ${ml_config_env} ${ml_srcdiroption} ; then
> 
> Well dang, it worked.  It's a bit ugly, but it works.  The reason I say
> it is ugly is because now we pass the wrong CXX variable first and then
> we pass the right CXX variable after it, both on the configure command
> line.  I only tested this on x86_64 so far, I'll put it in my nightly
> sources to test on HPPA and IA64 over the weekend.

Since this could be a long and ill-defined weekend, I will pre-emptively 
give you an OK for the tiny libstdc++ change in your last gcc-diffs patch.

>> I'm not sure I have already thanked you enough (or at all) for
>> undertaking this work.  Thank you thank you thank you :-)
> 
> You just want to make sure I don't give up and drop this in your lap,
> don't you?  :-)

Frankly, yes.

;)

Thanks from me too though.

-benjamin