diff --git a/depends/packages.md b/depends/packages.md
--- a/depends/packages.md
+++ b/depends/packages.md
@@ -181,3 +181,19 @@
 static or dynamic `libsecondary`, that's not our concern. With a static
 `libsecondary`, when we need to link `libprimary` into our executable, there's
 no dependency chain to worry about as `libprimary` has all the symbols.
+
+## Build targets:
+
+To build an individual package (useful for debugging), the following build
+targets are available.
+
+    make ${package}
+    make ${package}_fetched
+    make ${package}_extracted
+    make ${package}_preprocessed
+    make ${package}_configured
+    make ${package}_built
+    make ${package}_staged
+    make ${package}_postprocessed
+    make ${package}_cached
+    make ${package}_cached_checksum