--- /dev/null
+++ Libc/Libc-391.2.3/include/sys/Makefile.inc
@@ -0,0 +1,3 @@
+SYS_INSTHDRS += acl.h statvfs.h
+
+SYS_INSTHDRS := ${SYS_INSTHDRS:S/^/${.CURDIR}\/include\/sys\//}