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-rw-r--r--src/event/ngx_event_openssl.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/event/ngx_event_openssl.h b/src/event/ngx_event_openssl.h
index 9ba21a810..d4a62b82a 100644
--- a/src/event/ngx_event_openssl.h
+++ b/src/event/ngx_event_openssl.h
@@ -19,7 +19,9 @@
#include <openssl/bn.h>
#include <openssl/conf.h>
#include <openssl/crypto.h>
+#ifndef OPENSSL_NO_DH
#include <openssl/dh.h>
+#endif
#ifndef OPENSSL_NO_ENGINE
#include <openssl/engine.h>
#endif