From 85cbfcd5a4dd5626387f3d9e6ed560f99779e841 Mon Sep 17 00:00:00 2001
From: Mattias Ellert <mattias.ellert@physics.uu.se>
Date: Feb 05 2020 10:34:20 +0000
Subject: Add patch ...


---

diff --git a/xrootd-maybe-uninitialized.patch b/xrootd-maybe-uninitialized.patch
new file mode 100644
index 0000000..1988398
--- /dev/null
+++ b/xrootd-maybe-uninitialized.patch
@@ -0,0 +1,29 @@
+From f5d5e01e65519e6566bdcc5cb153b9d7e822d9df Mon Sep 17 00:00:00 2001
+From: Mattias Ellert <mattias.ellert@physics.uu.se>
+Date: Wed, 5 Feb 2020 11:00:37 +0100
+Subject: [PATCH] Fix error with GCC 10 on s390x: error:
+ 'selR.XrdCmsSelector::needSpace' may be used uninitialized in this function
+ [-Werror=maybe-uninitialized]
+
+---
+ src/XrdCms/XrdCmsCluster.cc | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/XrdCms/XrdCmsCluster.cc b/src/XrdCms/XrdCmsCluster.cc
+index 13219d457..bc865cc1f 100644
+--- a/src/XrdCms/XrdCmsCluster.cc
++++ b/src/XrdCms/XrdCmsCluster.cc
+@@ -1084,6 +1084,10 @@ int XrdCmsCluster::Select(SMask_t pmask, int &port, char *hbuff, int &hlen,
+ //
+    selR.needNet = XrdNetIF::Mask(nType);
+ 
++// Initialize
++//
++   selR.needSpace = 0;
++
+ // Packed selection can never occur in this code path so we turn it off
+ //
+    selR.selPack = false;
+-- 
+2.24.1
+