Shared directories can now be created independently by the pacakges
needing them and will be removed automatically by pkg_delete when empty.
Packages needing empty directories can use the @pkgdir command in PLIST.
Discussed and ok'd in thread starting at
http://mail-index.netbsd.org/tech-pkg/2009/06/30/msg003546.html
Changes:
* configure.in: Restore netbsd on mips, mipsel, mipseb.
* make-dist
(nextstep/Cocoa/Emacs.base/Contents/Resources/preferences.nib)
(nextstep/GNUstep/Emacs.base/Resources/preferences.gorm):
No longer make links.
* make-dist (tempdir): Don't create directories preferences.gorm
and preferences.nib, they are no longer required.
* configure.in: Delete mac-fix-env target, which has been
removed (Bug#3531).
