# HG changeset patch
# User Sergey Kandaurov <pluknet@nginx.com>
# Date 1608627823 -10800
# Node ID af6363758ef921e38a3cc4d60208bc0e4efb5b54
# Parent  a4c05aff8ec0411d06a3e8458e33d9c08a680a4f
QUIC: fixed build with OpenSSL < 1.1.1.

The <openssl/kdf.h> header is available since OpenSSL 1.1.0, and HKDF API
used for separate Extract and Expand steps in TLSv1.3 - since OpenSSL 1.1.1.

diff --git a/src/event/ngx_event_openssl.h b/src/event/ngx_event_openssl.h
--- a/src/event/ngx_event_openssl.h
+++ b/src/event/ngx_event_openssl.h
@@ -23,12 +23,14 @@
 #include <openssl/engine.h>
 #endif
 #include <openssl/evp.h>
+#if (NGX_QUIC)
 #ifdef OPENSSL_IS_BORINGSSL
 #include <openssl/hkdf.h>
 #include <openssl/chacha.h>
 #else
 #include <openssl/kdf.h>
 #endif
+#endif
 #include <openssl/hmac.h>
 #ifndef OPENSSL_NO_OCSP
 #include <openssl/ocsp.h>