1 files changed, 30 insertions, 0 deletions
diff --git a/unit-tests/include-main.mk b/unit-tests/include-main.mk
new file mode 100644
index 000000000000..452b6102a5ce
--- /dev/null
+++ b/unit-tests/include-main.mk
@@ -0,0 +1,30 @@
+# $NetBSD: include-main.mk,v 1.1 2020/05/17 12:36:26 rillig Exp $
+#
+# Demonstrates that the .INCLUDEDFROMFILE magic variable does not behave
+# as described in the manual page.
+#
+# The manual page says that it is the "filename of the file this Makefile
+# was included from", while in reality it is the "filename in which the
+# latest .include happened".
+#
+
+.if !defined(.INCLUDEDFROMFILE)
+LOG+=		main-before-ok
+.else
+.  for f in ${.INCLUDEDFROMFILE}
+LOG+=		main-before-fail\(${f:Q}\)
+.  endfor
+.endif
+
+.include "include-sub.mk"
+
+.if !defined(.INCLUDEDFROMFILE)
+LOG+=		main-after-ok
+.else
+.  for f in ${.INCLUDEDFROMFILE}
+LOG+=		main-after-fail\(${f:Q}\)
+.  endfor
+.endif
+
+all:
+	@printf '%s\n' ${LOG}