Add legacy include guards to public header files

[openssl.git] / include / openssl / engine.h

diff --git a/include/openssl/engine.h b/include/openssl/engine.h
index fc294ec3e8970b5babd074a05fa1f54b763a9946..816eb4e2e61f7fc2de8cbf5416a6521163ae6cf3 100644 (file)
--- a/include/openssl/engine.h
+++ b/include/openssl/engine.h
@@ -10,6 +10,12 @@
 
 #ifndef OPENSSL_ENGINE_H
 # define OPENSSL_ENGINE_H
+# pragma once
+
+# include <openssl/macros.h>
+# if !OPENSSL_API_3
+#  define HEADER_ENGINE_H
+# endif
 
 # include <openssl/opensslconf.h>