1 files changed, 4 insertions, 0 deletions

diff --git a/src/lib/libssl/ssl.h b/src/lib/libssl/ssl.h
index d3c7908a26..cc77a8f2bd 100644
--- a/src/lib/libssl/ssl.h
+++ b/src/lib/libssl/ssl.h
@@ -599,6 +599,10 @@ struct ssl_session_st {
 #define SSL_OP_NO_TLSv1_2                               0x08000000L
 #define SSL_OP_NO_TLSv1_1                               0x10000000L
 
+/* Obsolete flags kept for compatibility. No sane code should use them. */
+#define SSL_OP_PKCS1_CHECK_1                            0x0
+#define SSL_OP_PKCS1_CHECK_2                            0x0
+
 #define SSL_OP_NETSCAPE_CA_DN_BUG                       0x20000000L
 #define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG          0x40000000L
 /* Make server add server-hello extension from early version of