lib/pool_alloc.c: In function ‘pool_create’:
lib/pool_alloc.c:85:20: error: assignment to ‘void (*)(void)’ from incompatible pointer type ‘void (*)(const char *, const char *, int)’ [-Wincompatible-pointer-types]
   85 |         pool->bomb = bomb;
      |                    ^
hlink.c: In function ‘match_gnums’:
hlink.c:120:56: warning: cast between incompatible function types from ‘int (*)(int *, int *)’ to ‘int (*)(void)’ [-Wcast-function-type]
  120 |         qsort(ndx_list, ndx_count, sizeof ndx_list[0], (int (*)()) hlink_compare_gnum);
      |                                                        ^
hlink.c:120:56: error: passing argument 4 of ‘qsort’ from incompatible pointer type [-Wincompatible-pointer-types]
  120 |         qsort(ndx_list, ndx_count, sizeof ndx_list[0], (int (*)()) hlink_compare_gnum);
      |                                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                        |
      |                                                        int (*)(void)
In file included from rsync.h:328,
                 from hlink.c:23:
/usr/include/stdlib.h:971:34: note: expected ‘__compar_fn_t’ {aka ‘int (*)(const void *, const void *)’} but argument is of type ‘int (*)(void)’
  971 |                    __compar_fn_t __compar) __nonnull ((1, 4));
      |                    ~~~~~~~~~~~~~~^~~~~~~~
lib/pool_alloc.c: In function ‘pool_alloc’:
lib/pool_alloc.c:171:18: error: too many arguments to function ‘pool->bomb’
  171 |                 (*pool->bomb)(bomb_msg, __FILE__, __LINE__);
      |                 ~^~~~~~~~~~~~
syscall.c: In function ‘do_lseek’:
syscall.c:394:17: error: conflicting types for ‘lseek64’; have ‘off64_t(void)’ {aka ‘long int(void)’}
  394 |         off64_t lseek64();
      |                 ^~~~~~~
In file included from rsync.h:354,
                 from syscall.c:23:
/usr/include/unistd.h:350:18: note: previous declaration of ‘lseek64’ with type ‘__off64_t(int,  __off64_t,  int)’ {aka ‘long int(int,  long int,  int)’}
  350 | extern __off64_t lseek64 (int __fd, __off64_t __offset, int __whence)
      |                  ^~~~~~~
syscall.c:396:16: error: too many arguments to function ‘lseek64’
  396 |         return lseek64(fd, offset, whence);
      |                ^~~~~~~
syscall.c:394:17: note: declared here
  394 |         off64_t lseek64();
      |                 ^~~~~~~