check if the build environment supports attr before executing test

pyxattr.spec

@@ -1,7 +1,7 @@
 Name:		pyxattr
 Summary:	Extended attributes library wrapper for Python
 Version:	0.6.1
-Release:	2
+Release:	3
 License:	LGPLv2+
 URL:		http://pyxattr.k1024.org/
 Source:		https://pyxattr.k1024.org/downloads/%{name}-%{version}.tar.gz
@@ -53,12 +53,20 @@ pushd %{py3dir}
 popd
 
 %check
-export TEST_IGNORE_XATTRS=security.selinux
-%{__python2} setup.py test
+touch check-xattr-support
 
-pushd %{py3dir}
-%{__python3} setup.py test
-popd
+if ! attr -s test -V test check-xattr-support >& /dev/null ;then
+	echo "skipping tests because BUILD_FILE seem to lack xattr support"
+else
+	export TEST_IGNORE_XATTRS=security.selinux
+	%{__python2} setup.py test
+
+	pushd %{py3dir}
+	%{__python3} setup.py test
+	popd
+fi
+
+rm -rf check-xattr-support
 
 %files -n python2-%{name}
 %{python2_sitearch}/*.so
@@ -75,6 +83,9 @@ popd
 %doc NEWS README.rst
 
 %changelog
+* Tue Nov 23 2021 wangjie <wangjie375@huawei.com> - 0.6.1-3
+- check if the build environment supports attr before executing test
+
 * Tue Aug 18 2020 yangzhuangzhuang <yangzhuangzhuang1@huawei.com> - 0.6.1-2
 - rebuild for requirement package update