cc -fPIC   -c -o app_dbodbc.o app_dbodbc.c
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_dbodbc.c:23:
/usr/include/asterisk/lock.h: In function `ast_mutex_init':
/usr/include/asterisk/lock.h:311: error: `PTHREAD_MUTEX_RECURSIVE' undeclared (first use in this function)
/usr/include/asterisk/lock.h:311: error: (Each undeclared identifier is reported only once
/usr/include/asterisk/lock.h:311: error: for each function it appears in.)
make: *** [app_dbodbc.o] Error 1