packetdrill i386 build failed due to below warnings and errors. Building with gcc version 7.3.
tcp_options_iterator.c run_system_call.c: In function 'cmsg_expect_eq': run_system_call.c:860:38: error: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t {aka unsigned int}' [-Werror=format=] "Bad len in cmsg %d: expected=%lu actual=%lu", ~~^ %u i, ecm->cmsg_len, acm->cmsg_len); ~~~~~~~~~~~~~ run_system_call.c:860:49: error: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'size_t {aka unsigned int}' [-Werror=format=] "Bad len in cmsg %d: expected=%lu actual=%lu", ~~^ %u i, ecm->cmsg_len, acm->cmsg_len); ~~~~~~~~~~~~~ run_system_call.c: In function 'get_epoll_event_from_expr': run_system_call.c:2924:21: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] event->data.ptr = (void *)epollev_expr->ptr->value.num; ^ run_system_call.c: In function 'syscall_epoll_wait': run_system_call.c:3129:6: error: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'uint64_t {aka long long unsigned int}' [-Werror=format=] "epoll_event->data does not match script: " ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ run_system_call.c:3132:6: event_script.data.u64, ~~~~~~~~~~~~~~~~~~~~~ run_system_call.c:3130:19: note: format string is defined here "expected: %lu " ~~^ %llu run_system_call.c:3129:6: error: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'uint64_t {aka long long unsigned int}' [-Werror=format=] "epoll_event->data does not match script: " ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ run_system_call.c:3133:6: event_live->data.u64); ~~~~~~~~~~~~~~~~~~~~ run_system_call.c:3131:17: note: format string is defined here "actual: %lu\n", ~~^ %llu run_system_call.c: In function 'syscall_splice': run_system_call.c:3249:31: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] result = splice(fd_in_live, (loff_t *) off_in, fd_out_live, ^ run_system_call.c:3250:5: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] (loff_t *) off_out, len, flags); ^
Full log link, https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-mainline/DISTRO=...
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