static void runner(int argc, char* argv[])
{
/* Retrieve the list of all hosts as an array of hosts */
- int host_count = sg_host_count();
+ int host_count = (int)sg_host_count();
sg_host_t* hosts = sg_host_list();
XBT_INFO("First, build a classical parallel task, with 1 Gflop to execute on each node, "