Bootstrap broken

[Martin Reinecke]

Hi,

I'm observing the following bootstrap problem with mainline in i686-pc-linux-gnu:
the initial ./configure dies with:

[...]
checking how to compare bootstrapped objects... cmp --ignore-initial=16 $$f1 $$f2
checking for correct version of gmp.h... yes
checking for MPFR... yes
configure: error: The gcc/. directory contains parts of c++ but is missing
make: *** No rule to make target `bootstrap'.  Stop.

Any ideas?

Cheers,
   Martin