powerpc-eabism, strategy for finding crt0.o

[Benjamin Kosnik]

> I suggest the following:
> 
> Move the case ${target} from libgloss/configure.in into a separate
> shell-script fragment, that sets some variable to the (list of)
> directories in which GCC should search for crt files and libraries.
> 
> Then, get the top-level configure.in to source this shell-script
> fragment and add -B$$r/$(TARGET_SUBDIR)/libgloss/$libglosssubdir(s)/
> to FLAGS_FOR_TARGET.

This would be great. Then everything would "just work" with what is 
currently in CVS for libstdc++-v3.
 
> I could take care of this, if the maintainers of libgloss don't oppose
> to this change.

Cool.

-benjami