--- /dev/null
+++ Libc/Libc-498.1.1/include/libkern/Makefile.inc
@@ -0,0 +1,2 @@
+LIBKERN_INSTHDRS += OSAtomic.h	OSCacheControl.h
+LIBKERN_INSTHDRS := ${LIBKERN_INSTHDRS:S/^/${.CURDIR}\/include\/libkern\//}