/home/pi/slate/src/crypto/slow-hash.c:862:22: error: ‘init_size_byte’ undeclared here (not in a function)
         uint8_t init[init_size_byte];
                      ^~~~~~~~~~~~~~
/home/pi/slate/src/crypto/slow-hash.c:1284:6: error: conflicting types for ‘cn_slow_hash’
 void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, size_t iters, random_values *r, const char* sp_bytes)
      ^~~~~~~~~~~~
In file included from /home/pi/slate/src/crypto/slow-hash.c:43:0:
/home/pi/slate/src/crypto/hash-ops.h:108:6: note: previous declaration of ‘cn_slow_hash’ was here
 void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, size_t base_iters, size_t rand_iters, random_values *r, const char* sp_bytes,
      ^~~~~~~~~~~~
/home/pi/slate/src/crypto/slow-hash.c: In function ‘cn_slow_hash’:
/home/pi/slate/src/crypto/slow-hash.c:1326:24: error: ‘init_size_blk’ undeclared (first use in this function)
         for(j = 0; j < init_size_blk; j++)
                        ^~~~~~~~~~~~~