Trouble bootstrapping...

[Benjamin Kosnik]

> My bootstrap dies on this:
> make[4]: Entering directory 
> `/Users/ed/obj/powerpc-apple-darwin7.9.0/libstdc++-v3/include'
> mkdir -p ./powerpc-apple-darwin7.9.0/bits/stdc++.h.gch
> g++ -x c++-header -g -O2 
> -I/Users/ed/obj/powerpc-apple-darwin7.9.0/libstdc++-v3/include/powerpc-apple-darwin7.9.0 
> -I/Users/ed/obj/powerpc-apple-darwin7.9.0/libstdc++-v3/include 
> -I/Users/ed/gcc/libstdc++-v3/libsupc++ -O2 -g -std=gnu++0x 
> /Users/ed/gcc/libstdc++-v3/include/precompiled/stdc++.h \
>         -o powerpc-apple-darwin7.9.0/bits/stdc++.h.gch/O2ggnu++0x.gch
> cc1plus: error: unrecognized option `-std=gnu++0x'

Hey Ed. See if you can work around this problem by disabling PCH files,
via configuring with 

--disable-libstdcxx-pch

-benjamin