check if the build environment supports attr before executing test

(cherry picked from commit 5d1b35861a199a1a81d065ee25d83bc23fe2974d)

pyxattr.spec

@@ -1,7 +1,7 @@
 Name:		pyxattr
 Summary:	Extended attributes library wrapper for Python
 Version:	0.7.2
-Release:	4
+Release:	5
 License:	LGPLv2+
 URL:		http://pyxattr.k1024.org/
 Source:		https://pyxattr.k1024.org/downloads/%{name}-%{version}.tar.gz
@@ -33,9 +33,17 @@ cp -a . %{py3dir}
 %py3_install
 
 %check
-export TEST_IGNORE_XATTRS=security.selinux
-export PYTHONPATH=%{buildroot}%{python3_sitearch}
-%{__python3} -m pytest -v
+touch check-xattr-support
+
+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
+	export PYTHONPATH=%{buildroot}%{python3_sitearch}
+	%{__python3} -m pytest -v
+fi
+
+rm -rf check-xattr-support
 
 %files -n python3-%{name}
 %{python3_sitearch}/*.so
@@ -45,6 +53,9 @@ export PYTHONPATH=%{buildroot}%{python3_sitearch}
 %doc NEWS README.md
 
 %changelog
+* Tue Jul 11 2023 fuanan <fuanan3@h-partners.com> - 0.7.2-5
+- check if the build environment supports attr before executing test
+
 * Fri Dec 23 2022 zhuofeng <zhuofeng2@huawei.com> - 0.7.2-4
 - Type:bugfix
 - CVE:NA