* lib/closedir.c (closedir): Unregister fd if closedir() succeeds.
* lib/dirent.in.h (_gl_register_dirp_fd, _gl_unregister_dirp_fd):
Declare on kLIBC.
* lib/dirfd.c (struct dirp_fd_list): New. Structures to keep track of
fd associated with dirp.
(_gl_register_dirp_fd): New. Register fd associated with dirp to
dirp_fd_list.
(_gl_unregister_dirp_fd): New. Unregister fd with closing it.
(dirfd): Implemented for kLIBC.
* lib/fdopendir.c (fdopendir): Implemented for kLIBC.
* lib/opendir.c (opendir): New. Register fd and dirp pair if open()
succeeds.
* m4/closedir.m4 (gl_FUNC_CLOSEDIR): Replace if OS/2.
* m4/dirfd.m4 (gl_FUNC_DIRFD): Likewise.
(REPLACE_DIRFD): Define to 1 if replaced.
* m4/opendir.m4 (gl_FUNC_OPENDIR): Likewise.
* modules/closedir (Depends-on): Add dirfd.
* modules/dirfd (Depends-on): Add 'test $REPLACE_DIRFD = 1' to errno
condition.
(configure.ac): Add dirfd to LIBOBJS if $REPLACE_DIRFD = 1 as well.
* modules/opendir (Depends-on): Add dirfd.

* m4/dirfd.m4 (gl_PREREQ_DIRFD): New macro, extracted from
gl_FUNC_DIRFD.
(gl_FUNC_DIRFD): Move AC_LIBOBJ and gl_PREREQ_DIRFD invocations from
here...
* modules/dirfd (configure.ac): ... to here.
(Depends-on): Fix condition.

* modules/accept (Depends-on): Add conditions to the dependencies.
* modules/acosl (Depends-on): Likewise.
* modules/argz (Depends-on): Likewise.
* modules/asinl (Depends-on): Likewise.
* modules/atanl (Depends-on): Likewise.
* modules/atoll (Depends-on): Likewise.
* modules/bind (Depends-on): Likewise.
* modules/btowc (Depends-on): Likewise.
* modules/canonicalize-lgpl (Depends-on): Likewise.
* modules/ceil (Depends-on): Likewise.
* modules/ceilf (Depends-on): Likewise.
* modules/ceill (Depends-on): Likewise.
* modules/chdir-long (Depends-on): Likewise.
* modules/chown (Depends-on): Likewise.
* modules/close (Depends-on): Likewise.
* modules/connect (Depends-on): Likewise.
* modules/cosl (Depends-on): Likewise.
* modules/dirfd (Depends-on): Likewise.
* modules/dprintf (Depends-on): Likewise.
* modules/dprintf-posix (Depends-on): Likewise.
* modules/error (Depends-on): Likewise.
* modules/euidaccess (Depends-on): Likewise.
* modules/expl (Depends-on): Likewise.
* modules/faccessat (Depends-on): Likewise.
* modules/fchdir (Depends-on): Likewise.
* modules/fclose (Depends-on): Likewise.
* modules/fcntl (Depends-on): Likewise.
* modules/fdopendir (Depends-on): Likewise.
* modules/fflush (Depends-on): Likewise.
* modules/floor (Depends-on): Likewise.
* modules/floorf (Depends-on): Likewise.
* modules/floorl (Depends-on): Likewise.
* modules/fnmatch (Depends-on): Likewise.
* modules/fopen (Depends-on): Likewise.
* modules/fprintf-posix (Depends-on): Likewise.
* modules/frexp (Depends-on): Likewise.
* modules/frexp-nolibm (Depends-on): Likewise.
* modules/frexpl (Depends-on): Likewise.
* modules/frexpl-nolibm (Depends-on): Likewise.
* modules/fseek (Depends-on): Likewise.
* modules/fsusage (Depends-on): Likewise.
* modules/ftell (Depends-on): Likewise.
* modules/ftello (Depends-on): Likewise.
* modules/futimens (Depends-on): Likewise.
* modules/getcwd (Depends-on): Likewise.
* modules/getcwd-lgpl (Depends-on): Likewise.
* modules/getdelim (Depends-on): Likewise.
* modules/getdomainname (Depends-on): Likewise.
* modules/getgroups (Depends-on): Likewise.
* modules/gethostname (Depends-on): Likewise.
* modules/getline (Depends-on): Likewise.
* modules/getlogin_r (Depends-on): Likewise.
* modules/getopt-posix (Depends-on): Likewise.
* modules/getpeername (Depends-on): Likewise.
* modules/getsockname (Depends-on): Likewise.
* modules/getsockopt (Depends-on): Likewise.
* modules/getsubopt (Depends-on): Likewise.
* modules/getusershell (Depends-on): Likewise.
* modules/glob (Depends-on): Likewise.
* modules/grantpt (Depends-on): Likewise.
* modules/iconv_open (Depends-on): Likewise.
* modules/iconv_open-utf (Depends-on): Likewise.
* modules/inet_ntop (Depends-on): Likewise.
* modules/inet_pton (Depends-on): Likewise.
* modules/ioctl (Depends-on): Likewise.
* modules/isapipe (Depends-on): Likewise.
* modules/isfinite (Depends-on): Likewise.
* modules/isinf (Depends-on): Likewise.
* modules/lchown (Depends-on): Likewise.
* modules/ldexpl (Depends-on): Likewise.
* modules/link (Depends-on): Likewise.
* modules/linkat (Depends-on): Likewise.
* modules/listen (Depends-on): Likewise.
* modules/logl (Depends-on): Likewise.
* modules/lstat (Depends-on): Likewise.
* modules/mbrlen (Depends-on): Likewise.
* modules/mbrtowc (Depends-on): Likewise.
* modules/mbsinit (Depends-on): Likewise.
* modules/mbsnrtowcs (Depends-on): Likewise.
* modules/mbsrtowcs (Depends-on): Likewise.
* modules/mbtowc (Depends-on): Likewise.
* modules/memcmp (Depends-on): Likewise.
* modules/mkdir (Depends-on): Likewise.
* modules/mkdtemp (Depends-on): Likewise.
* modules/mkfifo (Depends-on): Likewise.
* modules/mkfifoat (Depends-on): Likewise.
* modules/mknod (Depends-on): Likewise.
* modules/mkostemp (Depends-on): Likewise.
* modules/mkostemps (Depends-on): Likewise.
* modules/mkstemp (Depends-on): Likewise.
* modules/mkstemps (Depends-on): Likewise.
* modules/mktime (Depends-on): Likewise.
* modules/nanosleep (Depends-on): Likewise.
* modules/open (Depends-on): Likewise.
* modules/openat (Depends-on): Likewise.
* modules/perror (Depends-on): Likewise.
* modules/poll (Depends-on): Likewise.
* modules/popen (Depends-on): Likewise.
* modules/posix_spawn (Depends-on): Likewise.
* modules/posix_spawn_file_actions_addclose (Depends-on): Likewise.
* modules/posix_spawn_file_actions_adddup2 (Depends-on): Likewise.
* modules/posix_spawn_file_actions_addopen (Depends-on): Likewise.
* modules/posix_spawnp (Depends-on): Likewise.
* modules/pread (Depends-on): Likewise.
* modules/printf-posix (Depends-on): Likewise.
* modules/ptsname (Depends-on): Likewise.
* modules/putenv (Depends-on): Likewise.
* modules/pwrite (Depends-on): Likewise.
* modules/readline (Depends-on): Likewise.
* modules/readlink (Depends-on): Likewise.
* modules/readlinkat (Depends-on): Likewise.
* modules/recv (Depends-on): Likewise.
* modules/recvfrom (Depends-on): Likewise.
* modules/regex (Depends-on): Likewise.
* modules/remove (Depends-on): Likewise.
* modules/rename (Depends-on): Likewise.
* modules/renameat (Depends-on): Likewise.
* modules/rmdir (Depends-on): Likewise.
* modules/round (Depends-on): Likewise.
* modules/roundf (Depends-on): Likewise.
* modules/roundl (Depends-on): Likewise.
* modules/rpmatch (Depends-on): Likewise.
* modules/select (Depends-on): Likewise.
* modules/send (Depends-on): Likewise.
* modules/sendto (Depends-on): Likewise.
* modules/setenv (Depends-on): Likewise.
* modules/setlocale (Depends-on): Likewise.
* modules/setsockopt (Depends-on): Likewise.
* modules/shutdown (Depends-on): Likewise.
* modules/sigaction (Depends-on): Likewise.
* modules/signbit (Depends-on): Likewise.
* modules/sigprocmask (Depends-on): Likewise.
* modules/sinl (Depends-on): Likewise.
* modules/sleep (Depends-on): Likewise.
* modules/snprintf (Depends-on): Likewise.
* modules/snprintf-posix (Depends-on): Likewise.
* modules/socket (Depends-on): Likewise.
* modules/sprintf-posix (Depends-on): Likewise.
* modules/sqrtl (Depends-on): Likewise.
* modules/stat (Depends-on): Likewise.
* modules/strchrnul (Depends-on): Likewise.
* modules/strdup-posix (Depends-on): Likewise.
* modules/strerror (Depends-on): Likewise.
* modules/strerror_r-posix (Depends-on): Likewise.
* modules/strndup (Depends-on): Likewise.
* modules/strnlen (Depends-on): Likewise.
* modules/strptime (Depends-on): Likewise.
* modules/strsep (Depends-on): Likewise.
* modules/strsignal (Depends-on): Likewise.
* modules/strstr-simple (Depends-on): Likewise.
* modules/strtod (Depends-on): Likewise.
* modules/strtoimax (Depends-on): Likewise.
* modules/strtok_r (Depends-on): Likewise.
* modules/strtoumax (Depends-on): Likewise.
* modules/symlink (Depends-on): Likewise.
* modules/symlinkat (Depends-on): Likewise.
* modules/tanl (Depends-on): Likewise.
* modules/tcgetsid (Depends-on): Likewise.
* modules/tmpfile (Depends-on): Likewise.
* modules/trunc (Depends-on): Likewise.
* modules/truncf (Depends-on): Likewise.
* modules/truncl (Depends-on): Likewise.
* modules/uname (Depends-on): Likewise.
* modules/unlink (Depends-on): Likewise.
* modules/unlockpt (Depends-on): Likewise.
* modules/unsetenv (Depends-on): Likewise.
* modules/usleep (Depends-on): Likewise.
* modules/utimensat (Depends-on): Likewise.
* modules/vasprintf (Depends-on): Likewise.
* modules/vdprintf (Depends-on): Likewise.
* modules/vdprintf-posix (Depends-on): Likewise.
* modules/vfprintf-posix (Depends-on): Likewise.
* modules/vprintf-posix (Depends-on): Likewise.
* modules/vsnprintf (Depends-on): Likewise.
* modules/vsnprintf-posix (Depends-on): Likewise.
* modules/vsprintf-posix (Depends-on): Likewise.
* modules/wcrtomb (Depends-on): Likewise.
* modules/wcscasecmp (Depends-on): Likewise.
* modules/wcscspn (Depends-on): Likewise.
* modules/wcsdup (Depends-on): Likewise.
* modules/wcsncasecmp (Depends-on): Likewise.
* modules/wcsnrtombs (Depends-on): Likewise.
* modules/wcspbrk (Depends-on): Likewise.
* modules/wcsrtombs (Depends-on): Likewise.
* modules/wcsspn (Depends-on): Likewise.
* modules/wcsstr (Depends-on): Likewise.
* modules/wcstok (Depends-on): Likewise.
* modules/wcswidth (Depends-on): Likewise.
* modules/wctob (Depends-on): Likewise.
* modules/wctomb (Depends-on): Likewise.
* modules/wctype (Depends-on): Likewise.
* modules/wcwidth (Depends-on): Likewise.
* modules/write (Depends-on): Likewise.

* lib/dirfd.c: Include <errno.h>.
Set errno to ENOTSUP when returning -1.
* modules/dirfd (Depends-on): Add errno.
Suggested by John Kodis <kodis@comcast.net>.

* modules/acl (EXTRA_DIST): Add acl.h.
* modules/argmatch (Files): Add m4/argmatch.m4.
(configure.ac): Add gl_ARGMATCH.
(EXTRA_DIST): Renamed from lib_SOURCES, for
consistency with the other modules.  Remove argmatch.c.
* modules/backupfile (EXTRA_DIST): Add backupfile.h.
* modules/c-strtod (EXTRA_DIST): Add c-strtod.h.
* modules/c-strtold (EXTRA_DIST): Add c-strtod.c, c-strtod.h.
* modules/canonhost (EXTRA_DIST): Add c-canonhost.h.
* modules/canonicalize (EXTRA_DIST): Add canonicalize.h.
* modules/chdir-long (EXTRA_DIST): Add chdir-long.h.
* modules/chdir-safer (EXTRA_DIST): Add chdir-safer.h.
* modules/cloexec (EXTRA_DIST): Add cloexec.h.
* modules/close-stream (EXTRA_DIST): Add close-stream.h.
* modules/closeout (EXTRA_DIST): Add closeout.h.
* modules/cycle-check (EXTRA_DIST): Add cycle-check.h.
* modules/dev-ino (EXTRA_DIST): Add dev-ino.h.
* modules/dirfd (EXTRA_DIST): Add dirfd.h.
* modules/dirname (EXTRA_DIST): Renamed from lib_SOURCES.  Add
dirname.h; remove basename.c and stripslash.c.
* modules/exclude (EXTRA_DIST): Add exclude.h.
* modules/exitfail (EXTRA_DIST): Add exitfail.h.
* modules/fcntl-safer (EXTRA_DIST): Add fcntl-safer.h fcntl--.h.
* modules/file-type (EXTRA_DIST): Add file-type.h.
* modules/filemode (EXTRA_DIST): Add filemode.h.
* modules/filenamecat (EXTRA_DIST): Add filenamecat.h.
* modules/fopen-safer (EXTRA_DIST): Add stdio-safer.h stdio--.h.
* modules/fpending (EXTRA_DIST): Add __fpending.h.
* modules/fprintftime (EXTRA_DIST): Add fprintftime.h.
* modules/fsusage (EXTRA_DIST): Add fsusage.h.
* modules/fts (EXTRA_DIST): Add fts_.h fts-cycle.c.
* modules/getcwd (EXTRA_DIST): Add getcwd.h.
* modules/getdate (EXTRA_DIST): Add getdate.c.
* modules/gethrxtime (EXTRA_DIST): Add gethrxtime.h xtime.h.
* modules/getpagesize (EXTRA_DIST): Add getpagesize.h.
* modules/getpass (EXTRA_DIST): Add getpass.h.
* modules/glob (EXTRA_DIST): Add glob_.h glob-libc.h.
* modules/group-member (EXTRA_DIST): Add group-member.h.
* modules/hard-locale (EXTRA_DIST): Add hard-locale.h.
* modules/hash (EXTRA_DIST): Add hash.h.
* modules/human (EXTRA_DIST): Add human.h.
* modules/inttypes (EXTRA_DIST): Add inttypes.h.
* modules/lchmod (EXTRA_DIST): Add lchmod.h.
* modules/lchown (EXTRA_DIST): Add lchown.h.
* modules/long-options (EXTRA_DIST): Add long-options.h.
* modules/lstat (EXTRA_DIST): Add lstat.h.
* modules/md5 (EXTRA_DIST): Add memcasecmp.h.
* modules/memcoll (EXTRA_DIST): Add memcoll.h.
* modules/mempcpy (EXTRA_DIST): Add mempcpy.h.
* modules/memrchr (EXTRA_DIST): Add memrchr.h.
* modules/memxor (EXTRA_DIST): Add memxor.h.
* modules/mkancesdirs (EXTRA_DIST): Add mkancesdirs.h.
* modules/mkdir-p (EXTRA_DIST): Add modechange.h.
* modules/mountlist (EXTRA_DIST): Add mountlist.h.
* modules/openat (EXTRA_DIST): Add at-func.c openat.h openat-priv.h.
* modules/pathmax (EXTRA_DIST): Add pathmax.h.
* modules/physmem (EXTRA_DIST): Add physmem.h.
* modules/posixtm (EXTRA_DIST): Add posixtm.h.
* modules/posixver (EXTRA_DIST): Add posixver.h.
* modules/quote (EXTRA_DIST): Add quote.h.
* modules/quotearg (EXTRA_DIST): Add quotearg.h.
* modules/readtokens (EXTRA_DIST): Add readtokens.h.
* modules/readutmp (EXTRA_DIST): Add readutmp.h.
* modules/regex (EXTRA_DIST): Add regcomp.c regex.h regex_internal.c regex_internal.h regexec.c.
* modules/safe-read (EXTRA_DIST): Add safe-read.h.
* modules/safe-write (EXTRA_DIST): Add safe-write.h.
* modules/same (EXTRA_DIST): Add same.h.
* modules/same-inode (EXTRA_DIST): Add same-inode.h.
* modules/save-cwd (EXTRA_DIST): Add save-cwd.h.
* modules/savedir (EXTRA_DIST): Add savedir.h.
* modules/sha1 (EXTRA_DIST): Add sha1.h.
* modules/sig2str (EXTRA_DIST): Add sig2str.h.
* modules/stat-macros (EXTRA_DIST): Add stat-macros.h.
* modules/stat-time (EXTRA_DIST): Add stat-time.h.
* modules/stdlib-safer (EXTRA_DIST): Add stdlib-safer.h stdlib--.h.
* modules/strdup (EXTRA_DIST): Add strdup.h.
* modules/strftime (EXTRA_DIST): Add strftime.h.
* modules/strndup (EXTRA_DIST): Add strndup.h.
* modules/strnlen (EXTRA_DIST): Add strnlen.h.
* modules/strverscmp (EXTRA_DIST): Add strverscmp.h.
* modules/time_r (EXTRA_DIST): Add time_r.h.
* modules/timespec (EXTRA_DIST): Add timespec.h.
* modules/tmpfile-safer (EXTRA_DIST): Add stdio-safer.h stdio--.h.
* modules/unistd-safer (EXTRA_DIST): Add unistd-safer.h unistd--.h.
* modules/unlinkdir (EXTRA_DIST): Add unlinkdir.h.
* modules/unlocked-io (EXTRA_DIST): Add unlocked-io.h.
* modules/userspec (EXTRA_DIST): Add userspec.h.
* modules/utimecmp (EXTRA_DIST): Add utimecmp.h.
* modules/utimens (EXTRA_DIST): Add utimens.h.
* modules/xalloc (EXTRA_DIST): Add xalloc.h.
* modules/xgetcwd (EXTRA_DIST): Add xgetcwd.h.
* modules/xnanosleep (EXTRA_DIST): Add xnanosleep.h.
* modules/xreadlink (EXTRA_DIST): Add xreadlink.h.
* modules/xstrtod (EXTRA_DIST): Add xstrtod.h.
* modules/xstrtol (EXTRA_DIST): Add xstrtol.h.
* modules/xstrtold (EXTRA_DIST): Add xstrtod.c xstrtod.h.
* modules/yesno (EXTRA_DIST): Add yesno.h.
+
* m4/argmatch.m4: New file, from coreutils with AC_LIBSOURCES removed.
* m4/dev-ino.m4, same-inode.m4: Remove.
+
* m4/_inttypes_h.m4 (gl_INTTYPES_H):
* m4/acl.m4 (AC_FUNC_ACL):
* m4/backupfile.m4 (gl_BACKUPFILE):
* m4/c-strtod.m4 (gl_C99_STRTOLD):
* m4/canon-host.m4 (gl_CANON_HOST):
* m4/canonicalize.m4 (AC_FUNC_CANONICALIZE_FILE_NAME):
* m4/chdir-long.m4 (gl_FUNC_CHDIR_LONG):
* m4/chdir-safer.m4 (gl_CHDIR_SAFER):
* m4/cloexec.m4 (gl_CLOEXEC):
* m4/close-stream.m4 (gl_CLOSE_STREAM):
* m4/closeout.m4 (gl_CLOSEOUT):
* m4/dirfd.m4 (gl_FUNC_DIRFD):
* m4/dirname.m4 (gl_DIRNAME):
* m4/exclude.m4 (gl_EXCLUDE):
* m4/exitfail.m4 (gl_EXITFAIL):
* m4/fcntl-safer.m4 (gl_FCNTL_SAFER):
* m4/file-type.m4 (gl_FILE_TYPE):
* m4/filemode.m4 (gl_FILEMODE):
* m4/filenamecat.m4 (gl_FILE_NAME_CONCAT):
* m4/fpending.m4 (gl_FUNC_FPENDING):
* m4/fprintftime.m4 (gl_FPRINTFTIME):
* m4/fts.m4 (gl_FUNC_FTS):
* m4/getcwd.m4 (gl_FUNC_GETCWD_NULL):
* m4/getdate.m4 (gl_GETDATE):
* m4/gethrxtime.m4 (gl_GETHRXTIME):
* m4/getpagesize.m4 (gl_GETPAGESIZE):
* m4/getpass.m4 (gl_FUNC_GETPASS):
* m4/gettime.m4 (gl_GETTIME):
* m4/getugroups.m4 (gl_GETUGROUPS):
* m4/glob.m4 (gl_GLOB_SUBSTITUTE):
* m4/group-member.m4 (gl_FUNC_GROUP_MEMBER):
* m4/hard-locale.m4 (gl_HARD_LOCALE):
* m4/hash.m4 (gl_HASH):
* m4/idcache.m4 (gl_IDCACHE):
* m4/lchmod.m4 (gl_FUNC_LCHMOD):
* m4/lchown.m4 (gl_FUNC_LCHOWN):
* m4/long-options.m4 (gl_LONG_OPTIONS):
* m4/lstat.m4 (gl_FUNC_LSTAT):
* m4/md5.m4 (gl_MD5):
* m4/memcasecmp.m4 (gl_MEMCASECMP):
* m4/memcoll.m4 (gl_MEMCOLL):
* m4/mempcpy.m4 (gl_FUNC_MEMPCPY):
* m4/memrchr.m4 (gl_FUNC_MEMRCHR):
* m4/memxor.m4 (gl_MEMXOR):
* m4/mkancesdirs.m4 (gl_MKANCESDIRS):
* m4/mkdir-p.m4 (gl_MKDIR_PARENTS):
* m4/modechange.m4 (gl_MODECHANGE):
* m4/mountlist.m4 (gl_MOUNTLIST):
* m4/nanosleep.m4 (gl_FUNC_NANOSLEEP):
* m4/openat.m4 (gl_FUNC_OPENAT):
* m4/pathmax.m4 (gl_PATHMAX):
* m4/physmem.m4 (gl_PHYSMEM):
* m4/posixtm.m4 (gl_POSIXTM):
* m4/posixver.m4 (gl_POSIXVER):
* m4/quote.m4 (gl_QUOTE):
* m4/quotearg.m4 (gl_QUOTEARG):
* m4/readtokens.m4 (gl_READTOKENS):
* m4/readutmp.m4 (gl_READUTMP):
* m4/regex.m4 (gl_REGEX):
* m4/safe-read.m4 (gl_SAFE_READ):
* m4/safe-write.m4 (gl_SAFE_WRITE):
* m4/same.m4 (gl_SAME):
* m4/save-cwd.m4 (gl_SAVE_CWD):
* m4/savedir.m4 (gl_SAVEDIR):
* m4/settime.m4 (gl_SETTIME):
* m4/sha1.m4 (gl_SHA1):
* m4/sig2str.m4 (gl_FUNC_SIG2STR):
* m4/stat-macros.m4 (gl_STAT_MACROS):
* m4/stat-time.m4 (gl_STAT_TIME):
* m4/stdio-safer.m4 (gl_FOPEN_SAFER):
* m4/stdlib-safer.m4 (gl_STDLIB_SAFER):
* m4/strdup.m4 (gl_FUNC_STRDUP):
* m4/strftime.m4 (gl_FUNC_GNU_STRFTIME):
* m4/strndup.m4 (gl_FUNC_STRNDUP):
* m4/strnlen.m4 (gl_FUNC_STRNLEN):
* m4/strverscmp.m4 (gl_FUNC_STRVERSCMP):
* m4/time_r.m4 (gl_TIME_R):
* m4/timespec.m4 (gl_TIMESPEC):
* m4/unistd-safer.m4 (gl_UNISTD_SAFER):
* m4/unlinkdir.m4 (gl_UNLINKDIR):
* m4/unlocked-io.m4 (gl_FUNC_GLIBC_UNLOCKED_IO):
* m4/userspec.m4 (gl_USERSPEC):
* m4/utimecmp.m4 (gl_UTIMECMP):
* m4/utimens.m4 (gl_UTIMENS):
* m4/xalloc.m4 (gl_XALLOC):
* m4/xgetcwd.m4 (gl_XGETCWD):
* m4/xnanosleep.m4 (gl_XNANOSLEEP):
* m4/xreadlink.m4 (gl_XREADLINK):
* m4/xstrtod.m4 (gl_XSTRTOD):
* m2/yesno.m4 (gl_YESNO):
Don't use AC_LIBSOURCES; instead, rely on the files in ../modules/
to get the necessary .h files and whatnot.