Milter-greylist

> Do people think 'make -j3' works?  I was building 4.0.1 from pkgsrc on
> NetBSD 4 i386 with MAKE_JOBS=3 and got:

the makefile is not safe with -j.  the .y.c rule uses the old yacc logic 
where the yacc file is turned into y.tab.c and then renamed.  that isn't 
safe for parallel make.  trying to make that safe and portable is probably 
not fun.  mg is small enough, that -j seems overkill.