New option --enable-mh-utils.

Added check for Emacs lisp directory

@@ -423,13 +423,19 @@ MU_ENABLE_SUPPORT(mh,
                   [BUILD_MH_PROGRAMS='$(PROGRAMS_MH)';
                    BUILD_MH_LIBRARIES='$(LIBRARIES_MH)'])
 
-AC_ARG_ENABLE([experimental],
-              AC_HELP_STRING([--enable-experimental],
-                             [build experimental and/or unfinished utilities]),
-              [MU_BUILD_EXPERIMENTAL="${enableval}"],
-              [MU_BUILD_EXPERIMENTAL=no])
-
-if test ".$MU_BUILD_EXPERIMENTAL" = ".no"; then
+dnl AC_ARG_ENABLE([experimental],
+dnl               AC_HELP_STRING([--enable-experimental],
+dnl                              [build experimental and/or unfinished utilities]),
+dnl               [MU_BUILD_EXPERIMENTAL="${enableval}"],
+dnl               [MU_BUILD_EXPERIMENTAL=no])
+
+AC_ARG_ENABLE([mh-utils],
+              AC_HELP_STRING([--enable-mh-utils],
+                             [Build MH utilities]),
+              [MU_BUILD_MH="${enableval}"],
+              [MU_BUILD_MH=no])
+
+if test ".$MU_BUILD_MH" = ".no"; then
 	BUILD_MH_PROGRAMS=
 	BUILD_MH_LIBRARIES=
 else
@@ -599,6 +605,14 @@ if test x"$useguile" = x"yes"; then
          ],[useguile=no])
 fi
 
+dnl Check for Emacs site-lisp directory
+AM_PATH_LISPDIR
+
+if test "$EMACS" != "no"; then
+	lisp_LISP='$(LISPSRC)'
+fi
+AC_SUBST(lisp_LISP)
+
 dnl Make sysconfdir available to the application
 dnl This must be done LAST, since CPPFLAGS is passed by configure
 dnl to build tests, but this relies on being run in make to