Hi Everybody, *************************************************************************************** My System H/w is HP-UX 11.11 Model: 9000/785/B2000 OS mode: 64 bit ************************************************************************************* I'm trying to compile syslog-ng-2.0.2.on HP-UX machine and it give beloe error. afinet.c: In function 'afinet_setup_socket': afinet.c:157: error: storage size of 'mreq' isn't known afinet.c:157: warning: unused variable 'mreq' *** Error exit code 1 Stop. *** Error exit code 1 Stop. *** Error exit code 1 Stop. # However when I comment this function and it get compiled, but it didn't send message to central server. The out put of includea header file is : ******************************************************************************** # find /usr/include -name \*.h | xargs grep "struct ip_mreq" /usr/include/netinet/in.h:struct ip_mreq { # ********************************************************************************** IF anybody has faced same problem , please share with me, Thanks in advance Shamimuddin CSC Noida --------------------------------- New Yahoo! Mail is the ultimate force in competitive emailing. Find out more at the Yahoo! Mail Championships. Plus: play games and win prizes.