neon fails with SSL errors

[fede2cr]

/bin/sh ../libtool --quiet --mode=compile gcc -DHAVE_CONFIG_H -I.. -O2 -fPIC -c ne_xml.c -o ne_xml.lo
ne_socket.c: In function 'writev_raw':
ne_socket.c:580:8: warning: implicit declaration of function 'writev'; did you mean 'write'? [-Wimplicit-function-declaration]
ret = writev(sock->fd, vec, count);
^~~~~~
write
ne_socket.c: In function 'ne_sock_sessid':
ne_socket.c:1874:23: error: dereferencing pointer to incomplete type 'SSL_SESSION {aka struct ssl_session_st}'
*buflen = sess->session_id_length;
^~
make[1]: *** [Makefile:69: ne_socket.lo] Error 1
make[1]: *** Waiting for unfinished jobs....
ne_auth.c: In function 'get_cnonce':
ne_auth.c:336:5: warning: 'RAND_pseudo_bytes' is deprecated [-Wdeprecated-declarations]
if (RAND_status() == 1 && RAND_pseudo_bytes(data, sizeof data) >= 0) {
^~
In file included from /usr/include/openssl/e_os2.h:13:0,
from /usr/include/openssl/ossl_typ.h:19,
from /usr/include/openssl/rand.h:14,
from ne_auth.c:47:
/usr/include/openssl/rand.h:47:1: note: declared here
DEPRECATEDIN_1_1_0(int RAND_pseudo_bytes(unsigned char *buf, int num))
^
make[1]: Leaving directory '/tmp/neon-0.30.1/src'