merge configure variable ACLOCAL_AMFLAGS into Makefile

[[Imported from SVN: r5216]]

am/top-rules

 # -*-makefile-*-
 
-ACLOCAL_AMFLAGS=-I .
+ACLOCAL_AMFLAGS=@ACLOCAL_AMFLAGS@
 DUNECONTROL=@DUNE_COMMON_ROOT@/bin/dunecontrol
 
 all-am: dependencies.m4

m4/dune_all.m4

-# $Id: dune_all.m4 5164 2008-04-21 14:08:28Z christi $
+# $Id$
 
 # this meta-check calls everything needed for Dune to work and all
 # possible components. Applications should use this so that
@@ -41,6 +41,8 @@ AC_DEFUN([DUNE_CHECK_ALL],[
   AC_SUBST(ALL_PKG_LDFLAGS, "$LDFLAGS $DUNE_PKG_LDFLAGS")
   AC_SUBST(ALL_PKG_CPPFLAGS, "$CPPFLAGS $DUNE_PKG_CPPFLAGS")
 
+  AC_SUBST(ACLOCAL_AMFLAGS, "$ACLOCAL_AMFLAGS")
+
   AC_SUBST(am_dir, $DUNE_COMMON_ROOT/am)
 ])