* Add libstemmer support, disabled by default. This adds stemming
support for French, Spanish, Portuguese, Italian, Romanian,
German, Dutch, Swedish, Norwegian, Danish, Finnish and Hungarian
* Clean up various OPTIONS related make code: if WITH_FOO is defined,
then WITHOUT_FOO isn't, and vice-versa. Even if make config has
never been run.
* Fix build with clang
Submitted by: Matthew Seaman <firstname.lastname@example.org> (maintainer)