Fixed -m(32|64) argument handling
Stack alignment option had been removed in merge
Avoid death on printing an incomplete decl
Merge branch 'master' into feature/cpp/if_elif
Include paths and libraries now done at configure time
cpp: implement -dM and ucc: Pass -P, -MM and -dM
Added __i386__ note
ucc::ice aborts()
dynarray_add_array() allows empty array
nostdinc for lib/
Tidy up of #warning/#error
Free macro args if redefining, don't bother strdup()ing .nam
Don't warn if redefining to the same value
preproc_backtrace() for all cpp-errors/warnings
Fixed nested #if evaluation when if an noop-block
Added note for Linux configure libc and crt