- explain why we need post-extract chmods
- sort PLIST
- add patch comments
- clean up some pkglint
- fix a symbol name conflict with logf (from math.h + a gcc builtin)
- fix some other bugs/issues found by gcc
- add standard headers
- remove some bogus BSD/System V include probing
- probably fix gcc 4.5 build (not fully tested)
- bump PKGREVISION