$NetBSD: patch-configure.ac,v 1.4 2023/02/21 17:23:07 adam Exp $

Do not fail if dlopen() library is not found.

--- configure.ac.orig	2023-02-21 13:18:52.603387598 +0000
+++ configure.ac
@@ -475,8 +475,7 @@ if test "${WIN32}" = "no"; then
 			AC_CHECK_LIB(
 				[dld],
 				[dlopen],
-				[LDL_LIBS="-ldld"],
-				AC_MSG_ERROR([unable to find the dlopen() function])
+				[LDL_LIBS="-ldld"]
 			)
 		)
 	fi