#ifndef HEADER_UI_H
# define HEADER_UI_H
-# ifdef OPENSSL_USE_DEPRECATED
+# if OPENSSL_API_COMPAT < 0x10100000L
# include <openssl/crypto.h>
# endif
# include <openssl/safestack.h>
# include <openssl/ossl_typ.h>
+# include <openssl/opensslconf.h>
#ifdef __cplusplus
extern "C" {