PLEASE HELP ME WITH THIS CODE PROBLEM IN LINUX Hi, I am trying to install MCC (Multicast Control Client) code on linux Ubuntu system and tried to compile it by using ./compile command. Could anybody please tell me how can rectify the error. Please reply. Here is error: root@vamsi-laptop:/home/vamsi/Desktop/mcop/mcc# ./compile rm -f ../../obj/c_vector.o ../../obj/sample.o rm -f *~ rm -f \#* rm -f *.a rm -f c_vector gcc -c -gstabs -I/usr/local/lib -I. -I../parser -o c_vector.o c_vector.c mv c_vector.o ../../obj make: *** No rule to make target `sample.o', needed by `c_vector'. Stop. rm -f *.o rm -f ../../obj/parser.o rm -f *~ rm -f \#* rm -f *.a gcc -gstabs -Wall -pg -c parser.c parser.c: In function ‘fprint_MCOP_message’: parser.c:805: warning: pointer targets in passing argument 1 of ‘fopen’ differ in signedness mv parser.o ../../obj ./compile: line 9: cd: ../testclient: No such file or directory rm -f *.o rm -f ../../obj/parser.o rm -f *~ rm -f \#* rm -f *.a gcc -gstabs -Wall -pg -c parser.c parser.c: In function ‘fprint_MCOP_message’: parser.c:805: warning: pointer targets in passing argument 1 of ‘fopen’ differ in signedness mv parser.o ../../obj rm -f *.o rm -f *~ rm -f \#* rm -f *.a rm -f mcopd rm ../../obj/mcopd.o ../../obj/igmp.o ../../obj/netif.o ../../obj/connection.o ../../obj/handling.o ../../obj/perl.o ../../obj/repository.o ../../obj/config.o ../../obj/logfile.o ../../obj/usr_cmd.o rm: cannot remove `../../obj/mcopd.o': No such file or directory rm: cannot remove `../../obj/igmp.o': No such file or directory rm: cannot remove `../../obj/netif.o': No such file or directory rm: cannot remove `../../obj/connection.o': No such file or directory rm: cannot remove `../../obj/handling.o': No such file or directory rm: cannot remove `../../obj/perl.o': No such file or directory rm: cannot remove `../../obj/repository.o': No such file or directory rm: cannot remove `../../obj/config.o': No such file or directory rm: cannot remove `../../obj/logfile.o': No such file or directory rm: cannot remove `../../obj/usr_cmd.o': No such file or directory make: *** [clean] Error 1 gcc -c -O2 -D__NO_LOG -I/usr/local/lib -I. -I../parser -I/usr/include/libipq -I../c_vector -o iptables_handler.o iptables_handler.c iptables_handler.c: In function ‘ipth_list_entry_child’: iptables_handler.c:291: error: ‘struct iptables_match’ has no member named ‘used’ iptables_handler.c:300: error: ‘struct iptables_match’ has no member named ‘used’ make: *** [iptables_handler.o] Error 1 root@vamsi-laptop:/home/vamsi/Desktop/mcop/mcc# thanks, vamsi.