PATCH: PR libjava/32078: Update libtool in classpath

[Paolo Bonzini]

>>> 	PR libjava/32078
>>> 	* ltmain.sh: Update from gcc toplevel.
>>> 	* libtool.m4: New. Copied from from gcc toplevel.
>>> 	* ltsugar.m4: Likewise.
>>> 	* ltversion.m4: Likewise.
>>> 	* ltoptions.m4: Likewise.
>> why copy these? libjava/HACKING mentions to use -I flags to use them from the
>> toplevel directory.
> 
> I think ltmain.sh in classpath was used.  If it is true, will
> -I use ltmain.sh from the toplevel directory?

No, you are right that you have to copy ltmain.sh at least.

Paolo