From 4c79d20fb2106b55f0e173daccf5ead4bdaa802e Mon Sep 17 00:00:00 2001
From: scbj <scbj@zhaw.ch>
Date: Wed, 10 Jun 2026 09:11:29 +0200
Subject: [PATCH] (make) rule expansion, or double colon rules

---
 makefile/a.mk     | 3 +++
 makefile/b.mk     | 3 +++
 makefile/makefile | 9 +++++++++
 3 files changed, 15 insertions(+)
 create mode 100644 makefile/a.mk
 create mode 100644 makefile/b.mk
 create mode 100644 makefile/makefile

diff --git a/makefile/a.mk b/makefile/a.mk
new file mode 100644
index 0000000..75ed1f7
--- /dev/null
+++ b/makefile/a.mk
@@ -0,0 +1,3 @@
+
+clean::
+	echo "AAAA"
diff --git a/makefile/b.mk b/makefile/b.mk
new file mode 100644
index 0000000..4e91061
--- /dev/null
+++ b/makefile/b.mk
@@ -0,0 +1,3 @@
+
+clean::
+	echo "BBBB"
diff --git a/makefile/makefile b/makefile/makefile
new file mode 100644
index 0000000..46a98d4
--- /dev/null
+++ b/makefile/makefile
@@ -0,0 +1,9 @@
+SHELL       := /usr/bin/env bash
+
+.PHONY:     all clean test
+
+clean::
+	echo "blargh"
+
+include     ./a.mk
+include     ./b.mk