--- ruby-3.0.2-orig/ext/openssl/openssl_missing.h	2021-07-07 20:08:35.000000000 +1000
+++ ruby-3.0.2/ext/openssl/openssl_missing.h	2021-09-17 17:03:26.395365723 +1000
@@ -235,7 +235,7 @@
 #  define TS_STATUS_INFO_get0_failure_info(a) ((a)->failure_info)
 #endif
 
-#if !defined(HAVE_TS_VERIFY_CTS_SET_CERTS)
+#if !defined(HAVE_TS_VERIFY_CTS_SET_CERTS) && (SSL3_VERSION < 0x0300)
 #  define TS_VERIFY_CTS_set_certs(ctx, crts) ((ctx)->certs=(crts))
 #endif