[…][...]
/Users/ponost/src/pike-git/devel/src/post_modules/Nettle/cipher.cmod:426:19: error: use of undeclared identifier
'f_Nettle_Cipher_name_fun_num'
apply_external(1, f_Nettle_Cipher_name_fun_num, args);
^
/Users/ponost/src/pike-git/devel/src/post_modules/Nettle/cipher.cmod:452:19: error: use of undeclared identifier
'f_Nettle_Cipher_block_size_fun_num'
apply_external(1, f_Nettle_Cipher_block_size_fun_num, args);
^
[... and several similar errors ...]
Looks like cipher.c may have been generated with an old precompiler.
Have you run make depend?