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--- a/procps-ng-3.3.9/configure.ac
+++ b/procps-ng-3.3.9/configure.ac
@@ -235,7 +235,9 @@
 else
   AC_SEARCH_LIBS([dlopen], [dl], [],
     [AC_MSG_ERROR([dynamic linking unavailable, circumvent with --disable-numa])])
-  DL_LIB="$ac_cv_search_dlopen"
+  if test "$ac_cv_search_dlopen" != "none required" ; then               
+    DL_LIB="$ac_cv_search_dlopen"
+  fi                                                                     
 fi
 AC_SUBST([DL_LIB])