# define CRYPTO_memcmp memcmp
# endif
-/* unistd.h defines _POSIX_VERSION */
-# if !defined(OPENSSL_NO_SECURE_MEMORY) && defined(OPENSSL_SYS_UNIX) \
- && ( (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) \
- || defined(__sun) || defined(__hpux) || defined(__sgi) \
- || defined(__osf__) )
-# define OPENSSL_SECURE_MEMORY /* secure memory is implemented */
+# ifndef OPENSSL_NO_SECURE_MEMORY
+ /* unistd.h defines _POSIX_VERSION */
+# if defined(OPENSSL_SYS_UNIX) \
+ && ( (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) \
+ || defined(__sun) || defined(__hpux) || defined(__sgi) \
+ || defined(__osf__) )
+ /* secure memory is implemented */
+# else
+# define OPENSSL_NO_SECURE_MEMORY
+# endif
# endif
+
#endif