add external dependencies in a pre-built way to avoid incompatibilities

external/include/sodium/crypto_auth_hmacsha512.h

@@ -0,0 +1,68 @@
+#ifndef crypto_auth_hmacsha512_H
+#define crypto_auth_hmacsha512_H
+
+#include <stddef.h>
+#include "crypto_hash_sha512.h"
+#include "export.h"
+
+#ifdef __cplusplus
+# ifdef __GNUC__
+#  pragma GCC diagnostic ignored "-Wlong-long"
+# endif
+extern "C" {
+#endif
+
+#define crypto_auth_hmacsha512_BYTES 64U
+SODIUM_EXPORT
+size_t crypto_auth_hmacsha512_bytes(void);
+
+#define crypto_auth_hmacsha512_KEYBYTES 32U
+SODIUM_EXPORT
+size_t crypto_auth_hmacsha512_keybytes(void);
+
+SODIUM_EXPORT
+int crypto_auth_hmacsha512(unsigned char *out,
+                           const unsigned char *in,
+                           unsigned long long inlen,
+                           const unsigned char *k) __attribute__ ((nonnull(1, 4)));
+
+SODIUM_EXPORT
+int crypto_auth_hmacsha512_verify(const unsigned char *h,
+                                  const unsigned char *in,
+                                  unsigned long long inlen,
+                                  const unsigned char *k)
+            __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(1, 4)));
+
+/* ------------------------------------------------------------------------- */
+
+typedef struct crypto_auth_hmacsha512_state {
+    crypto_hash_sha512_state ictx;
+    crypto_hash_sha512_state octx;
+} crypto_auth_hmacsha512_state;
+
+SODIUM_EXPORT
+size_t crypto_auth_hmacsha512_statebytes(void);
+
+SODIUM_EXPORT
+int crypto_auth_hmacsha512_init(crypto_auth_hmacsha512_state *state,
+                                const unsigned char *key,
+                                size_t keylen) __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+int crypto_auth_hmacsha512_update(crypto_auth_hmacsha512_state *state,
+                                  const unsigned char *in,
+                                  unsigned long long inlen) __attribute__ ((nonnull(1)));
+
+SODIUM_EXPORT
+int crypto_auth_hmacsha512_final(crypto_auth_hmacsha512_state *state,
+                                 unsigned char *out) __attribute__ ((nonnull));
+
+SODIUM_EXPORT
+void crypto_auth_hmacsha512_keygen(unsigned char k[crypto_auth_hmacsha512_KEYBYTES])
+            __attribute__ ((nonnull));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif