Claim to be using gcc always and assume that the wrapper framework will
deal with the differences for other compilers (rather than getting imake
to try and do it).
To see a full list of changes, please review:
http://xfree86.org/4.4.0/RELNOTES.html
These packages has been tested under NetBSD 1.6/-current, FreeBSD 4.x/5.x,
and GNU/Linux (i386) by Jeremy C. Reed, Michal Pasternak and myself.