From 0e3619e0576f6c78ba7dc9787b7f0678f9105625 Mon Sep 17 00:00:00 2001
From: Michael Young <m.a.young@durham.ac.uk>
Date: Jan 17 2023 22:07:23 +0000
Subject: build fix for gcc13


---

diff --git a/xen.gcc13.fixes.patch b/xen.gcc13.fixes.patch
new file mode 100644
index 0000000..d9800e2
--- /dev/null
+++ b/xen.gcc13.fixes.patch
@@ -0,0 +1,10 @@
+--- xen-4.17.0/xen/common/bunzip2.c.orig	2022-12-08 18:03:08.000000000 +0000
++++ xen-4.17.0/xen/common/bunzip2.c	2023-01-17 21:35:39.251292015 +0000
+@@ -223,6 +223,7 @@
+ 	for (j = 0; j < groupCount; j++) {
+ 		unsigned char length[MAX_SYMBOLS], temp[MAX_HUFCODE_BITS+1];
+ 		int	minLen,	maxLen, pp;
++		length[0]=0;
+ 		/* Read Huffman code lengths for each symbol.  They're
+ 		   stored in a way similar to mtf; record a starting
+ 		   value for the first symbol, and an offset from the
diff --git a/xen.spec b/xen.spec
index 91a199a..bb50fcd 100644
--- a/xen.spec
+++ b/xen.spec
@@ -55,7 +55,7 @@
 Summary: Xen is a virtual machine monitor
 Name:    xen
 Version: 4.17.0
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: GPLv2+ and LGPLv2+ and BSD
 URL:     http://xen.org/
 Source0: https://downloads.xenproject.org/release/xen/%{version}/xen-%{version}.tar.gz
@@ -109,6 +109,7 @@ Patch41: xen.gcc9.fixes.patch
 Patch43: xen.gcc11.fixes.patch
 Patch45: xen.gcc12.fixes.patch
 Patch46: xen.efi.build.patch
+Patch47: xen.gcc13.fixes.patch
 
 
 %if %build_qemutrad
@@ -319,6 +320,7 @@ manage Xen virtual machines.
 %patch43 -p1
 %patch45 -p1
 %patch46 -p1
+%patch47 -p1
 
 # qemu-xen-traditional patches
 pushd tools/qemu-xen-traditional
@@ -933,6 +935,9 @@ fi
 %endif
 
 %changelog
+* Tue Jan 17 2023 Michael Young <m.a.young@durham.ac.uk> - 4.17.0-3
+- build fix for gcc13
+
 * Sun Jan 08 2023 Michael Young <m.a.young@durham.ac.uk> - 4.17.0-2
 - fix clean up of init scripts if /etc/rc.d/init.d doesn't exist