diff -ru fetchmail-6.4.0.beta4.orig/socket.c fetchmail-6.4.0.beta4/socket.c

--- fetchmail-6.4.0.beta4.orig/socket.c	2018-06-06 01:57:00.000000000 +0200

+++ fetchmail-6.4.0.beta4/socket.c	2021-09-22 09:50:13.654463039 +0200

@@ -885,8 +885,8 @@

 	return ret;

 }

-#if defined(LIBRESSL_VERSION_NUMBER) || OPENSSL_VERSION_NUMBER < 0x1010000fL

-/* OSSL_proto_version_logic for OpenSSL 1.0.x and LibreSSL */

+#if OPENSSL_VERSION_NUMBER < 0x1010000fL

+/* OSSL_proto_version_logic for OpenSSL 1.0.x */

 static int OSSL10X_proto_version_logic(int sock, const char **myproto, int *avoid_ssl_versions)

 {

 	if (!*myproto) {