[commit/sim] switch autoconf 2.59

[Hans-Peter Nilsson]

On Fri, 7 Jan 2005, Andrew Cagney wrote:
> Same as for gdb, built on ppc (native, sim/ppc built) and amd64.

Try sim/frv and see huge breakage.  Obviously sim/ppc isn't
representative; it doesn't even use SIM_AC_OUTPUT.  Breakage due
to not generating Makefile in sim/frv is the first bug I see.

Then follows build errors and warnings due to other autoconfy
things that have changed, such as missing definition of
HAVE_STRING_H and HAVE_STRINGS_H.

Will try and fix obvious stuff myself, have patch for the
SIM_AC_OUTPUT breakage.

Note for future similar reorgs: please test with a CGEN target
such as sim/frv (or sim/cris which will be committed by then. :-)
Perhaps also sim/arm and sim/sh and an igen target for good
measure.

brgds, H-P