* Makefile.am (EXTRA_DIST): Add `m4/gnulib-cache.m4'. * build-aux/git-version-gen: Keep unchanged.
* m4/gnulib-cache.m4: Use `dirfd'. * libguile/filesys.c: Include Gnulib's <dirent.h> directly. (dirfd): Remove. Suggested by Bruno Haible <bruno@clisp.org>.