* Makefile.in (install, install.sysv, install.xenix, install.aix):

* Makefile.in (install, install.sysv, install.xenix, install.aix):
	Install the info files in ${infodir}.  Install the executable
	under both `emacs' and `emacs-VERSION'.

	* Makefile.in: Doc fix.

	* Makefile.in (exec_prefix): New variable, as per latest version
	of coding standards.
	(bindir, libdir): Use it, instead of `prefix'.
	(lib-src/Makefile): Edit value of exec_prefix into lib-src/Makefile.

	* Makefile.in (mandir): Make the default value for this depend on
	$(prefix).

	* Makefile.in (datadir, statedir, libdir): Make these all default
	to ${prefix}/lib.
	(lispdir, locallisppath, etcdir, lockdir, archlibdir): Adjusted
	to compensate.

	* Makefile.in (install, install.sysv, install.xenix, install.aix):
	Install the etags and ctags man pages too.

	* Makefile.in (distclean): Don't delete backup files; that's the
	job of extraclean.
	(extraclean): Like distclean, but deletes backup and autosave files.

	Make path specification conform to GNU coding standards.
	* configure (long_usage): Remove all traces of old arguments from
	usage messages, and document the options we do accept in more
	detail: -with-x... and --srcdir.
	(options, boolean_opts): Deleted; we don't have enough options to
	make this worthwhile.
	(prefix, bindir, lisppath, datadir, libdir, lockdir): Deleted,
	along with the code which supported them; these should be set as
	arguments to the top-level make.
	(config_h_opts): Since this no longer doubles as a list of option
	names, make them upper case; this simplifies the code which uses
	them to build the sed command to edit src/config.h.  Change the
	code which sets them.
	(cc, g, O): Don't allow the user to set these using options; they
	should be specified using `CC=' and `CFLAGS=' arguments to the
	top-level make.  Just choose reasonable default values for them,
	and edit them into Makefile.in's default CC and CONFIG_CFLAGS
	values.
	(gnu_malloc, rel_alloc): Don't allow the user to set these using
	options; use them whenever the configuration files say they're
	possible.
	Simplify the argument processing loop.  Don't accept abbreviations
	for option names; these might conflict with other configuration
	options in the future.
	Add some support for the `--srcdir' option.  Check for the sources
	in . and .. if `--srcdir' is omitted.  If the directories we will
	compile in don't exist yet, create them under the current directory.
	Note that the rest of the build process doesn't really support
	this.
	Edit only the top Makefile.  That should edit the others.  Edit
	into the makefile: `version', from lisp/version.el, `configname'
	and `srcdir' from the configuration arguments, `CC' and
	`CONFIG_CFLAGS' as guessed from the presence or absence of GCC in
	the user's path, and LOADLIBES as gleaned from the system
	description files.
	Simplify the report generated; it doesn't need to include any
	description of paths now.
	Make `config.status' exec configure instead of just calling it, so
	there's no harm in overwriting `config.status'.
	* Makefile.in (version, configname): New variables, used to choose
	the default values for datadir and libdir.
	Path variables rearranged into two clearer groups:
	- In the first group are the variables specified by the GNU coding
	  standards (prefix, bindir, datadir, statedir, libdir, mandir,
	  manext, infodir, and srcdir).
	- In the second are the variables actually used for Emacs's paths
	  (lispdir, locallisppath, lisppath, buildlisppath, etcdir, lockdir,
	  archlibdir), which depend on the first category.
	datadir and libdir default to directories under
	${prefix}/lib/emacs instead of ${prefix}/emacs, by popular
	demand.
	etcdir and lispdir default to subdirectories of datadir.
	archlibdir defaults to libdir.
	The new installation tree is a bit deeper than it used to be, so
	use the new make-path program in lib-src to build them all.
	Always build a new src/paths.h.tmp and then move-if-change it to
	src/paths.h, to avoid unnecessary rebuilds while responding to the
	right changes.
	Remove all mention of arch-lib.  Run utility commands from
	lib-src, and let the executables be copied into archlibdir when
	Emacs is installed.
	Add targets for src/Makefile, lib-src/Makefile, and
	oldXMenu/Makefile, editing the values of the path variables into
	them.
	Let lib-src do its own installation.
	(datadir): Default to putting data files under
	${prefix}/lib/emacs/${version}, not /usr/local/emacs.
	(emacsdir): Variable deleted; it would only be confusing to use.
	(lispdir, etcdir): Default to ${datadir}/lisp.
	(mkdir): Use make-path for this.
	(lockdir): Do this in mkdir.
	(Makefile): New target.