tests: Build and run selftests

debian/templates/tests-control.main.in

@@ -1,3 +1,3 @@
 Tests: selftests
 Restrictions: breaks-testbed, needs-root, isolation-machine
-Depends: kexec-tools, python3
+Depends: kexec-tools, python3, gcc, make, libpopt-dev, gcc-multilib [amd64], bc

debian/tests/selftests

@@ -38,11 +38,18 @@ if [ "$step" -ge 0 ]; then
     if [ "$(uname -r)" != "$ver" ]; then
 	echo >&2 "Should be running: $ver"
 	echo >&2 "Actually running: $(uname -r)"
+    else
+	cp -lR . $ADTTMP/build
+	cd $ADTTMP/build
+	make headers_install
+
+	# Enable testing CLONE_USERNS by unprivileged users
+	sysctl kernel.unprivileged_userns_clone=1
+
+	make -C tools/testing/selftests run_tests
     fi
 fi
 
-# TODO: build and run tests
-
 step=$((step + 1))
 
 if [ "$step" -lt "$steps" ]; then