--- configure.ac.orig	2018-07-20 01:39:47 UTC
+++ configure.ac
@@ -154,7 +154,7 @@ AX_PKG_CHECK_MODULES([$1],,[$2],[$3],
 ])
 
 AS_IF([test "x$with_xmlsec" != xno],
-     [XMLSEC_PKG_CHECK([openssl],[openssl],
+     [XMLSEC_PKG_CHECK([openssl],[],
       [XMLSEC_PKG_CHECK([libcurl],[libcurl],
        [AX_SAVE_FLAGS
         CXXFLAGS="$libcurl_CFLAGS $CXXFLAGS"