--- /dev/null
+# Old buildd versions used Build-Depends instead of Filtered Build-Depends.
+Build-Depends: .., hardening-wrapper, ...
+
+dpkg-buildpackage: source package test
+
+gcc -g -O2 -c test-a.c
+gcc -g -O2 -c test-b.c
+gcc -g -O2 -c test-c.c
+gcc -o test test-a.o test-b.o test-c.o -ltest