Sabine Kraml writes: > Hello, > > I am sorry for the stupid question, but as a newcomer to MacOSX I've > managed to screw up my gcc installation (there is a mismatch between > diferent library versions). What's the best way to remove all of gcc > including > all libraries and reinstall it from scratch? We don't know where you installed it so we can't say for sure, but: Just remove the directory at the top of the $PREFIX you configured with. Unless you did something really silly such as configuring with --prefix=/usr, there won't be anything other than gcc below $PREFIX. Andrew.