[PATCH v2] configure: remove dependencies on gmp and mpfr when gdb is disabled

[Tom Tromey]

>>>>> "Clément" == Clément Chigot via Binutils <binutils@sourceware.org> writes:

Clément> Since 991180627851801f1999d1ebbc0e569a17e47c74, the configure checks
Clément> about GMP and MPFR for gdb builds have been moved to the toplevel
Clément> configure.
Clément> However, it doesn't take into account the --disable-gdb option. Meaning
Clément> that a build without gdb will require these libraries even if not
Clément> needed.

Thank you for the patch.  This is ok, please check it in.  It should go
in GCC as well, you'll have to send it to gcc-patches.

Tom