1 files changed, 6 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 1239426..5518d63 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,11 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 # SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+#
+# TODO: This Makefile utilizes a lot of GNU extensions. Some of them are
+# unfortunately difficult to avoid as POSIX Make's pattern rules are not
+# sufficiently expressive. This needs to be fixed sometime (or we might move to
+# some other build system).
+#
 
 .PHONY: clean