--- binutils.orig/config/plugins.m4	2019-05-14 13:04:26.467925154 +0100
+++ binutils-2.30/config/plugins.m4	2019-05-14 13:05:36.961396058 +0100
@@ -10,12 +10,13 @@ AC_DEFUN([AC_PLUGINS],
       no) plugins=no ;;
       *) plugins=yes
          if test "$maybe_plugins" != "yes" ; then
-	   AC_MSG_ERROR([Building with plugin support requires a host that supports dlopen.])
+	   AC_MSG_ERROR([Building with plugin support requires a host that supports dlopen and dlsym.])
 	 fi ;;
      esac],
     [plugins=$maybe_plugins]
   )
   if test "$plugins" = "yes"; then
     AC_SEARCH_LIBS([dlopen], [dl])
+    AC_SEARCH_LIBS([dlsym], [dl])
   fi
 ])