Re: Turning off pointer signedness warnings (patch)

[Richard M. Stallman]

    GCC 4.0 warns when a pointer to an unsigned object is passed to a
    function that takes pointers to signed objects (or vice versa).  In
    older GCC's, this was a -pedantic warning; now, it's turned on by
    default. (http://gcc.gnu.org/ml/gcc/2004-12/msg00841.html)

The GCC developers told me that this will be reversed in the next
release.  Our complaints did win the day.

    The following patch makes use of the new -Wno-pointer-sign option,
    whenever it is available.  If there are no objections, I'll check it
    in soon.

Please do, and thanks.