build with -release 8 for better OpenJDK 8 compatibility

httpcomponents-client.spec

@@ -4,7 +4,7 @@
 Name:              httpcomponents-client
 Summary:           HTTP agent implementation based on httpcomponents HttpCore
 Version:           4.5.10
-Release:           5%{?dist}
+Release:           6%{?dist}
 License:           ASL 2.0
 URL:               http://hc.apache.org/
 Source0:           http://www.apache.org/dist/httpcomponents/httpclient/source/%{name}-%{version}-src.tar.gz
@@ -155,10 +155,10 @@ rm -r httpclient-cache/src/*/java/org/apache/http/impl/client/cache/ehcache
 %pom_remove_dep :ehcache-core httpclient-cache
 %endif
 
-%build
 %mvn_file ":{*}" httpcomponents/@1
 
-%mvn_build
+%build
+%mvn_build -- -Dmaven.compiler.release=8
 
 %install
 %mvn_install
@@ -173,6 +173,9 @@ rm -r httpclient-cache/src/*/java/org/apache/http/impl/client/cache/ehcache
 %doc LICENSE.txt NOTICE.txt
 
 %changelog
+* Wed Feb 17 2021 Fabio Valentini <decathorpe@gmail.com> - 4.5.10-6
+- Build with -release 8 for better OpenJDK 8 compatibility.
+
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 4.5.10-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild