Hi All, I got an error while trying to install ruby on rails in ubuntu , regex.c: In function 'calculate_must_string': regex.c:1017: warning: pointer targets in initialization differ in signedness regex.c :1018: warning: pointer targets in initialization differ in signedness regex.c:1032: warning: pointer targets in assignment differ in signedness regex.c: In function 'ruby_re_search': regex.c:3225: warning: pointer targets in passing argument 1 of 'slow_search' di ffer in signedness regex.c:3225: warning: pointer targets in passing argument 3 of 'slow_search' di ffer in signedness regex.c:3225: warning: pointer targets in passing argument 5 of 'slow_search' di ffer in signedness regex.c:2692: warning: pointer targets in passing argument 5 of 'slow_match' dif fer in signedness regex.c:3230: warning: pointer targets in passing argument 1 of 'bm_search' diff er in signedness regex.c:3230: warning: pointer targets in passing argument 3 of 'bm_search' diff er in signedness Pls help me to solve this probs..(ASAP) Thanx, priya