diff --git a/libvirt.spec b/libvirt.spec
index 18f00296295759ac8fcf21667cf1d98a4931861e..99301e4651aa32a6c3db24b070eacb89e1e0b7a8 100644
--- a/libvirt.spec
+++ b/libvirt.spec
@@ -105,7 +105,7 @@
 Summary: Library providing a simple virtualization API
 Name: libvirt
 Version: 6.2.0
-Release: 18
+Release: 19
 License: LGPLv2+
 URL: https://libvirt.org/
 
@@ -180,6 +180,7 @@ Patch0063: libvirt-Add-retry-support-for-error-policy.patch
 Patch0064: qemu-Support-retry-BLOCK_IO_ERROR-event.patch
 Patch0065: add-phytium-2000plus-and-s2500-support-on-arm-archit.patch
 Patch0066: libvirt-conf-Set-default-values-of-retry-fileds.patch
+Patch0067: tests-virmockstathelpers-add-static-declaration-for-xstat.patch
 
 Requires: libvirt-daemon = %{version}-%{release}
 Requires: libvirt-daemon-config-network = %{version}-%{release}
@@ -1914,6 +1915,10 @@ exit 0
 
 
 %changelog
+* Thu May 27 2021 Jiajie Li <lijiajie11@huawei.com>
+- libvirt.spec: fix rpmbuild error for OBS
+- tests/virmockstathelpers: add declaration for xstat functions
+
 * Fri Mar 19 2021 Jiajie Li <lijiajie11@huawei.com>
 - libvirt.spec: remove dtrace for aarch64 OS
 
diff --git a/tests-virmockstathelpers-add-static-declaration-for-xstat.patch b/tests-virmockstathelpers-add-static-declaration-for-xstat.patch
new file mode 100644
index 0000000000000000000000000000000000000000..c7c09fb581e5bff59cf9872ef37d89bdb449e47f
--- /dev/null
+++ b/tests-virmockstathelpers-add-static-declaration-for-xstat.patch
@@ -0,0 +1,53 @@
+From 22cbf9307622315fc1c1f0efd939064e4b6d4cd5 Mon Sep 17 00:00:00 2001
+From: Jiajie Li <lijiajie11@huawei.com>
+Date: Thu, 27 May 2021 16:52:57 +0800
+Subject: [PATCH] tests/virmockstathelpers: add static declaration for xstat
+ functions
+
+A rpmbuild error in OBS occurred:
+
+```
+error: no previous prototype for '__xstat' [-Werror=missing-prototypes]
+```
+
+Add static declaration to fix that.
+
+Signed-off-by: Jiajie Li <lijiajie11@huawei.com>
+---
+ .vscode/settings.json | 7 +++++++
+ tests/virmock.h       | 6 ++++++
+ 2 files changed, 13 insertions(+)
+ create mode 100644 .vscode/settings.json
+
+diff --git a/.vscode/settings.json b/.vscode/settings.json
+new file mode 100644
+index 0000000000..8d11d74f6c
+--- /dev/null
++++ b/.vscode/settings.json
+@@ -0,0 +1,7 @@
++{
++    "files.associations": {
++        "viralloc.h": "c",
++        "virmock.h": "c",
++        "stat.h": "c"
++    }
++}
+\ No newline at end of file
+diff --git a/tests/virmock.h b/tests/virmock.h
+index 95feeb0d92..19cb643314 100644
+--- a/tests/virmock.h
++++ b/tests/virmock.h
+@@ -298,3 +298,9 @@
+             abort(); \
+         } \
+     } while (0)
++
++
++int __xstat(int ver, const char *path, struct stat *sb);
++int __xstat64(int ver, const char *path, struct stat64 *sb);
++int __lxstat(int ver, const char *path, struct stat *sb);
++int __lxstat64(int ver, const char *path, struct stat64 *sb);
+\ No newline at end of file
+-- 
+2.23.0
+