-diff -urNp -x '*.orig' xen-4.13.1.org/tools/Makefile xen-4.13.1/tools/Makefile
---- xen-4.13.1.org/tools/Makefile 2020-05-14 14:19:32.000000000 +0200
-+++ xen-4.13.1/tools/Makefile 2021-03-25 22:42:23.177642067 +0100
-@@ -243,7 +243,7 @@ subdir-all-qemu-xen-dir: qemu-xen-dir-fi
- $(QEMU_XEN_ENABLE_DEBUG) \
+--- xen-4.15.1/tools/Makefile.orig 2021-11-09 17:01:44.785575980 +0100
++++ xen-4.15.1/tools/Makefile 2021-11-09 20:32:30.967065733 +0100
+@@ -237,6 +237,7 @@ subdir-all-qemu-xen-dir: qemu-xen-dir-fi
$$enable_trace_backend \
- --prefix=$(LIBEXEC) \
-- --libdir=$(LIBEXEC_LIB) \
-+ --libdir=$(LIBEXEC_LIB) --libexecdir=$(LIBEXEC_LIB) \
+ --prefix=$(prefix) \
+ --libdir=$(LIBEXEC_LIB) \
++ --libexecdir=$(LIBEXEC_LIB) \
--includedir=$(LIBEXEC_INC) \
--extra-cflags="-DXC_WANT_COMPAT_EVTCHN_API=1 \
-DXC_WANT_COMPAT_GNTTAB_API=1 \