X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/e54893330b92ed765b6872a1c47ba61d5e20ff7c..e326959e5e455e1b46124b023e0b202e4892e501:/src/src/tls-openssl.c

diff --git a/src/src/tls-openssl.c b/src/src/tls-openssl.c
index dc8729106..a1dee6dd0 100644
--- a/src/src/tls-openssl.c
+++ b/src/src/tls-openssl.c
@@ -261,6 +261,9 @@ for (struct exim_openssl_option * o = exim_openssl_options;
 # ifdef EXPERIMENTAL_TLS_RESUME
 builtin_macro_create_var(US"_RESUME_DECODE", RESUME_DECODE_STRING );
 # endif
+# ifdef SSL_OP_NO_TLSv1_3
+builtin_macro_create(US"_HAVE_TLS1_3");
+# endif
 }
 #else