--- configure.ac.orig	2022-05-04 14:55:23 UTC
+++ configure.ac
@@ -1220,7 +1220,7 @@ if test $ol_with_tls = openssl || test $ol_with_tls = 
 [#endif]])],
 					, [AC_MSG_FAILURE([OpenSSL 1.1.1 or newer required])])
 
-		AC_CHECK_LIB(ssl, SSL_export_keying_material_early,
+		AC_CHECK_LIB(ssl, SSL_write_early_data,
 			[have_openssl=yes], [have_openssl=no],
 			[-lcrypto])