fixed typesetting and error if METIS is not present.

[[Imported from SVN: r3444]]

m4/dune_all.m4

@@ -83,6 +83,7 @@ AC_DEFUN([DUNE_SUMMARY_ALL],[
   echo "HDF5.............: $with_hdf5"
   echo "FiberHDF5........: $with_f5"
   echo "MPI..............: $with_mpi"
+  echo "METIS............: $with_metis"
   echo "ParMETIS.........: $with_parmetis"
   echo "OpenGL...........: $with_opengl"
   echo "UG...............: $with_ug"

m4/immdx_lib_metis.m4

@@ -109,13 +109,17 @@ AC_DEFUN([IMMDX_LIB_METIS], [
 		#
 		#
 		#
+		
+		# tell automake
+		AM_CONDITIONAL(METIS, test x$METIS_LIB = x1)
 		if test x = x"$METIS_LIB" ; then
+			with_metis=no
 			ifelse([$2],,[AC_MSG_WARN(Failed to find valid METIS library)],[$2])
 			:
 		else
-			# tell automake
-			AM_CONDITIONAL(METIS, test x$HAVE_METIS = x1)
-			ifelse([$1],,[AC_DEFINE(HAVE_METIS,1,[Define if you have METIS library])],[$1])
+			with_metis=yes
+			ifelse([$1],,[AC_DEFINE(HAVE_METIS,1,[Define if you have METIS library])
+		],[$1])
 			:
 		fi
 	])dnl IMMDX_LIB_METIS