__i386__ and cpp

[H.J. Lu]

> We could solve these problems by making the cpp program be a shell script
> that calls `gcc -E' instead of making cpp be a link to the cccp program.
> This script could then do other things to make it look more like the /lib/cpp
> command, such as using -traditional, if this is desirable.  This was discussed
> a few months ago, on bug-gcc I think.
> 

Someone said gcc -E != cpp due to the different default input. Here is
one proposed cpp. Can we also install a cpp script in egcs, at least
as a configure option for Linux?

Thanks.

H.J.
----
#! /bin/sh

exec `gcc -print-prog-name=cpp` ${1+"$@"}