find superlu in default location even if it is specified

[[Imported from SVN: r5058]]

find superlu in default location even if it is specified
85bf8dc4 · Markus Blatt · 77f778b1 · 85bf8dc4
Commit 85bf8dc4 authored 17 years ago by Markus Blatt
--- a/m4/superlu.m4
+++ b/m4/superlu.m4
@@ -65,6 +65,7 @@ AC_DEFUN([DUNE_PATH_SUPERLU],[
 			_slu_search_default
 		    else
 		        # Search for the headers in the specified location
+			with_superlu="$withval"
 			_slu_search_versions("$with_superlu")
 		    fi
 		fi