May have something to do with recent two commits.
-- Juha
-----------------------------------------------------------------------
CC (gcc) [M pv.so] pv_trans.o
pv_trans.c: In function 'tr_eval_string':
pv_trans.c:539:22: warning: pointer targets in passing argument 1 of
'base64url_enc' differ in signedness [-Wpointer-sign]
i = base64url_enc((unsigned char *) val->rs.s, val->rs.len,
^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pv_trans.c:40:
../../core/basex.h:867:5: note: expected 'char *' but argument is of type
'unsigned char *'
int base64url_enc(char *in, int ilen, char *out, int osize);
^~~~~~~~~~~~~
pv_trans.c:540:6: warning: pointer targets in passing argument 3 of
'base64url_enc' differ in signedness [-Wpointer-sign]
(unsigned char *) _tr_buffer, TR_BUFFER_SIZE-1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pv_trans.c:40:
../../core/basex.h:867:5: note: expected 'char *' but argument is of type
'unsigned char *'
int base64url_enc(char *in, int ilen, char *out, int osize);
^~~~~~~~~~~~~
pv_trans.c:552:22: warning: pointer targets in passing argument 1 of
'base64url_dec' differ in signedness [-Wpointer-sign]
i = base64url_dec((unsigned char *) val->rs.s, val->rs.len,
^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pv_trans.c:40:
../../core/basex.h:868:5: note: expected 'char *' but argument is of type
'unsigned char *'
int base64url_dec(char *in, int ilen, char *out, int osize);
^~~~~~~~~~~~~
pv_trans.c:553:6: warning: pointer targets in passing argument 3 of
'base64url_dec' differ in signedness [-Wpointer-sign]
(unsigned char *) _tr_buffer, TR_BUFFER_SIZE-1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pv_trans.c:40:
../../core/basex.h:868:5: note: expected 'char *' but argument is of type
'unsigned char *'
int base64url_dec(char *in, int ilen, char *out, int osize);
^~~~~~~~~~~~~
pv_trans.c:565:22: warning: pointer targets in passing argument 1 of
'base64url_enc' differ in signedness [-Wpointer-sign]
i = base64url_enc((unsigned char *) val->rs.s, val->rs.len,
^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pv_trans.c:40:
../../core/basex.h:867:5: note: expected 'char *' but argument is of type
'unsigned char *'
int base64url_enc(char *in, int ilen, char *out, int osize);
^~~~~~~~~~~~~
pv_trans.c:566:6: warning: pointer targets in passing argument 3 of
'base64url_enc' differ in signedness [-Wpointer-sign]
(unsigned char *) _tr_buffer, TR_BUFFER_SIZE-1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pv_trans.c:40:
../../core/basex.h:867:5: note: expected 'char *' but argument is of type
'unsigned char *'
int base64url_enc(char *in, int ilen, char *out, int osize);
^~~~~~~~~~~~~
pv_trans.c:597:23: warning: pointer targets in passing argument 1 of
'base64url_dec' differ in signedness [-Wpointer-sign]
i = base64url_dec((unsigned char *) st.s, st.len,
^~~~~~~~~~~~~~~~~~~~~~
In file included from pv_trans.c:40:
../../core/basex.h:868:5: note: expected 'char *' but argument is of type
'unsigned char *'
int base64url_dec(char *in, int ilen, char *out, int osize);
^~~~~~~~~~~~~
pv_trans.c:598:7: warning: pointer targets in passing argument 3 of
'base64url_dec' differ in signedness [-Wpointer-sign]
(unsigned char *) _tr_buffer, TR_BUFFER_SIZE-1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pv_trans.c:40:
../../core/basex.h:868:5: note: expected 'char *' but argument is of type
'unsigned char *'
int base64url_dec(char *in, int ilen, char *out, int osize);
^~~~~~~~~~~~~
pv_trans.c:600:23: warning: pointer targets in passing argument 1 of
'base64url_dec' differ in signedness [-Wpointer-sign]
i = base64url_dec((unsigned char *) val->rs.s, val->rs.len,
^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pv_trans.c:40:
../../core/basex.h:868:5: note: expected 'char *' but argument is of type
'unsigned char *'
int base64url_dec(char *in, int ilen, char *out, int osize);
^~~~~~~~~~~~~
pv_trans.c:601:7: warning: pointer targets in passing argument 3 of
'base64url_dec' differ in signedness [-Wpointer-sign]
(unsigned char *) _tr_buffer, TR_BUFFER_SIZE-1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from pv_trans.c:40:
../../core/basex.h:868:5: note: expected 'char *' but argument is of type
'unsigned char *'
int base64url_dec(char *in, int ilen, char *out, int osize);
^~~~~~~~~~~~~
------------------------------------------------------------------------
Mar 7 00:15:46 char sip-proxy[21381]: 0(21433) ERROR: <core>
[core/sr_module.c:512]: load_module(): could not open module
</usr/lib/x86_64-linux-gnu/sip-proxy/modules/pv.so>:
/usr/lib/x86_64-linux-gnu/sip-proxy/modules/pv.so: undefined symbol: base64url_enc