diff --git a/debug/Makefile.inc b/debug/Makefile.inc
new file mode 100644
index 0000000..b636a6f
--- /dev/null
+++ b/debug/Makefile.inc
@@ -0,0 +1,4 @@
+hw-y += hw-debug.ads
+hw-y += hw-debug.adb
+hw-$(CONFIG_HWBASE_DEBUG_NULL) += null/hw-debug_sink.ads
+hw-$(CONFIG_HWBASE_DEBUG_TEXT_IO) += text_io/hw-debug_sink.ads