intl/

* Makefile.in (aclocal_deps): New variable.
	($(srcdir)/aclocal.m4): Use it, for portable makefile syntax.

libdecnumber/
	* Makefile.in (aclocal_deps): New variable.
	($(srcdir)/aclocal.m4): Use it, for portable makefile syntax.

etc/
	* Makefile.in (AUTOCONF, configure_deps): New variables.
	($(srcdir)/configure, config.status): New rules.
	(Makefile): Depend on config.status.
	* configure.in: Accept --enable-maintainer-mode, set and
	substitute MAINT accordingly.

gdb/
	* Makefile.in (ACLOCAL, ACLOCAL_AMFLAGS, aclocal_m4_deps)
	(AUTOCONF, configure_deps, AUTOHEADER): New variables.
	($(srcdir)/aclocal.m4, $(srcdir)/configure, $(srcdir)/config.in)
	(am--refresh): New rules.
	(stamp-h, config.status): List config.in and configure including
	$(srcdir)/ prefix.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

etc/configure.in

@@ -4,6 +4,21 @@ AC_INIT(Makefile.in)
 
 AC_PROG_INSTALL
 
+# Command-line options.
+# Very limited version of AC_MAINTAINER_MODE.
+AC_ARG_ENABLE([maintainer-mode],
+  [AC_HELP_STRING([--enable-maintainer-mode],
+                 [enable make rules and dependencies not useful (and
+                  sometimes confusing) to the casual installer])],
+  [case ${enable_maintainer_mode} in
+     yes) MAINT='' ;;
+     no) MAINT='#' ;;
+     *) AC_MSG_ERROR([--enable-maintainer-mode must be yes or no]) ;;
+   esac
+   maintainer_mode=${enableval}],
+  [MAINT='#'])
+AC_SUBST([MAINT])dnl
+
 AC_SUBST(datarootdir)
 AC_SUBST(docdir)
 AC_SUBST(htmldir)