In file included from /usr/include/asterisk/linkedlists.h:4,
                 from /usr/include/asterisk/chanvars.h:17,
                 from /usr/include/asterisk/channel.h:19,
                 from /usr/include/asterisk/file.h:17,
                 from app_changrab.c:13:
/usr/include/asterisk/lock.h: In function `ast_mutex_init':
/usr/include/asterisk/lock.h:302: error: `PTHREAD_MUTEX_RECURSIVE' undeclared (first use in this function)
/usr/include/asterisk/lock.h:302: error: (Each undeclared identifier is reported only once
/usr/include/asterisk/lock.h:302: error: for each function it appears in.)
app_changrab.c: In function `originate':
app_changrab.c:245: warning: passing arg 10 of `ast_pbx_outgoing_exten' makes integer from pointer without a cast
app_changrab.c:245: warning: passing arg 14 of `ast_pbx_outgoing_exten' from incompatible pointer type