[elpa] externals/compat cdf835623e 1/2: Makefile: Add header

[ELPA Syncer]

branch: externals/compat
commit cdf835623e9ce779788603e4cacd966664d4a5c0
Author: Daniel Mendler <mail@daniel-mendler.de>
Commit: Daniel Mendler <mail@daniel-mendler.de>

    Makefile: Add header
---
 Makefile | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/Makefile b/Makefile
index b105831145..da25888121 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,33 @@
+### Makefile
+
+# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+
+# GNU Emacs is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# GNU Emacs is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
+
+### Commentary:
+
+# The Makefile is an internal tool used for Compat development and checking on
+# the continuous integration system.
+
+# make all/compile   Compile Elisp files without no-byte-compile marking
+# make force-compile Compile *all* Elisp files to check for compilation 
warnings
+# make clean         Delete compiled *.elc and *.info files
+# make test          Run the test suite
+# make check         Sanity checking of the test suite
+
+### Code:
+
 .POSIX:
 .PHONY: all compile force-compile test clean check
 .SUFFIXES: .el .elc