Control: tags -1 + patch msgfmt has been fixed in gettext/0.19.8.1-6.
Now the build issue can be fixed with this change to debian/rules: --- a/debian/rules +++ b/debian/rules @@ -9,7 +9,7 @@ VERSION=$(shell dpkg-parsechangelog | sed -n '/^Version/s/Version: \(.*\)-[^-]*$ override_dh_auto_test: override_dh_auto_build: - make JAR=fastjar JAVAC=${JAVA_HOME}/bin/javac JAVA=java PREFIX=/usr all + make JAR=fastjar JAVAC=${JAVA_HOME}/bin/javac JAVA=java PREFIX=/usr JCFLAGS='-source 1.8' all override_dh_auto_clean: make clean