#include <grp.h>
#include <sys/mount.h>
+// Make this version of util-vserver build in one of PL's builds with an old mount.h
+#if defined(_SYS_MOUNT_H) && !defined(MNT_DETACH)
+#define MNT_DETACH 2
+#endif
+
#include <linux/personality.h>
#define ENSC_WRAPPERS_PREFIX "vcontext: "