--- /dev/null
+++ Libc/Libc-583/gen/FreeBSD/sleep.c.patch
@@ -0,0 +1,14 @@
+--- sleep.c.orig	2007-05-23 18:18:17.000000000 -0700
++++ sleep.c	2007-05-23 22:15:14.000000000 -0700
+@@ -31,6 +31,11 @@
+  * SUCH DAMAGE.
+  */
+ 
++#ifdef VARIANT_CANCELABLE
++#undef __DARWIN_NON_CANCELABLE
++#define __DARWIN_NON_CANCELABLE 0
++#endif /* VARIANT_CANCELABLE */
++
+ #if defined(LIBC_SCCS) && !defined(lint)
+ static char sccsid[] = "@(#)sleep.c	8.1 (Berkeley) 6/4/93";
+ #endif /* LIBC_SCCS and not lint */