1 files changed, 3 insertions, 0 deletions
diff --git a/vm_dump.c b/vm_dump.c
index d635af2c89..970c037edc 100644
--- a/vm_dump.c
+++ b/vm_dump.c
@@ -836,6 +836,9 @@ rb_print_backtrace(FILE *errout)
 }
 
 #ifdef HAVE_LIBPROCSTAT
+struct procstat;
+struct kinfo_proc;
+static void procstat_vm(struct procstat *, struct kinfo_proc *, FILE *);
 #include "missing/procstat_vm.c"
 #endif