Docs: add crossref

[exim.git] / src / OS / unsupported / Makefile-Darwin

diff --git a/src/OS/unsupported/Makefile-Darwin b/src/OS/unsupported/Makefile-Darwin
index 517bbc4938b4038fec729c2f523605bfe53e2795..bdd9d110d4c091acf2443cef7299fe7250060112 100644 (file)
--- a/src/OS/unsupported/Makefile-Darwin
+++ b/src/OS/unsupported/Makefile-Darwin
@@ -1,4 +1,5 @@
 # Exim: OS-specific make file for Darwin (Mac OS X).
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 CC=cc