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Message-Id: <20240825110620.30109-1-av2082000@gmail.com>
Date: Sun, 25 Aug 2024 16:36:20 +0530
From: Amit Vadhavana <av2082000@...il.com>
To: todd.e.brandt@...ux.intel.com,
	skhan@...uxfoundation.org,
	ricardo@...liere.net
Cc: av2082000@...il.com,
	linux-kernel-mentees@...ts.linux.dev,
	linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] pm-graph: Update directory handling and installation process in Makefile

- Standardize directory variables to support more flexible installations.
- Add copyright and licensing information to the Makefile.
- Introduce ".PHONY" declarations to ensure that specific targets are always
  executed, regardless of the presence of files with matching names.
- Add a help target to provide usage instructions.

Signed-off-by: Amit Vadhavana <av2082000@...il.com>
---
 tools/power/pm-graph/Makefile | 111 ++++++++++++++++++++++------------
 1 file changed, 73 insertions(+), 38 deletions(-)

diff --git a/tools/power/pm-graph/Makefile b/tools/power/pm-graph/Makefile
index b5310832c19c..aeddbaf2d4c4 100644
--- a/tools/power/pm-graph/Makefile
+++ b/tools/power/pm-graph/Makefile
@@ -1,51 +1,86 @@
 # SPDX-License-Identifier: GPL-2.0
-PREFIX		?= /usr
-DESTDIR		?=
+#
+# Copyright (c) 2013, Intel Corporation.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope 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.
+#
+# Authors:
+#	 Todd Brandt <todd.e.brandt@...ux.intel.com>
+
+# Prefix to the directories we're installing to
+DESTDIR ?=
+
+# Directory definitions. These are default and most probably
+# do not need to be changed. Please note that DESTDIR is
+# added in front of any of them
+
+BINDIR ?=	/usr/bin
+MANDIR ?=	/usr/share/man
+LIBDIR ?=	/usr/lib
+
+# Toolchain: what tools do we use, and what options do they need:
+INSTALL = /usr/bin/install
+INSTALL_DATA  = ${INSTALL} -m 644
 
 all:
 	@echo "Nothing to build"
 
 install : uninstall
-	install -d  $(DESTDIR)$(PREFIX)/lib/pm-graph
-	install sleepgraph.py $(DESTDIR)$(PREFIX)/lib/pm-graph
-	install bootgraph.py $(DESTDIR)$(PREFIX)/lib/pm-graph
-	install -d  $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/cgskip.txt $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/freeze-callgraph.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/freeze.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/freeze-dev.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/standby-callgraph.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/standby.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/standby-dev.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/suspend-callgraph.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/suspend.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/suspend-dev.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-	install -m 644 config/suspend-x2-proc.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
-
-	install -d  $(DESTDIR)$(PREFIX)/bin
-	ln -s ../lib/pm-graph/bootgraph.py $(DESTDIR)$(PREFIX)/bin/bootgraph
-	ln -s ../lib/pm-graph/sleepgraph.py $(DESTDIR)$(PREFIX)/bin/sleepgraph
-
-	install -d  $(DESTDIR)$(PREFIX)/share/man/man8
-	install bootgraph.8 $(DESTDIR)$(PREFIX)/share/man/man8
-	install sleepgraph.8 $(DESTDIR)$(PREFIX)/share/man/man8
+	$(INSTALL) -d  $(DESTDIR)$(LIBDIR)/pm-graph
+	$(INSTALL) sleepgraph.py $(DESTDIR)$(LIBDIR)/pm-graph
+	$(INSTALL) bootgraph.py $(DESTDIR)$(LIBDIR)/pm-graph
+	$(INSTALL) -d  $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/cgskip.txt $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/freeze-callgraph.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/freeze.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/freeze-dev.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/standby-callgraph.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/standby.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/standby-dev.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/suspend-callgraph.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/suspend.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/suspend-dev.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
+	$(INSTALL_DATA) config/suspend-x2-proc.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
+
+	$(INSTALL) -d  $(DESTDIR)$(BINDIR)
+	ln -s ../lib/pm-graph/bootgraph.py $(DESTDIR)$(BINDIR)/bootgraph
+	ln -s ../lib/pm-graph/sleepgraph.py $(DESTDIR)$(BINDIR)/sleepgraph
+
+	$(INSTALL) -d  $(DESTDIR)$(MANDIR)/man8
+	$(INSTALL) bootgraph.8 $(DESTDIR)$(MANDIR)/man8
+	$(INSTALL) sleepgraph.8 $(DESTDIR)$(MANDIR)/man8
 
 uninstall :
-	rm -f $(DESTDIR)$(PREFIX)/share/man/man8/bootgraph.8
-	rm -f $(DESTDIR)$(PREFIX)/share/man/man8/sleepgraph.8
+	rm -f $(DESTDIR)$(MANDIR)/man8/bootgraph.8
+	rm -f $(DESTDIR)$(MANDIR)/man8/sleepgraph.8
 
-	rm -f $(DESTDIR)$(PREFIX)/bin/bootgraph
-	rm -f $(DESTDIR)$(PREFIX)/bin/sleepgraph
+	rm -f $(DESTDIR)$(BINDIR)/bootgraph
+	rm -f $(DESTDIR)$(BINDIR)/sleepgraph
 
-	rm -f $(DESTDIR)$(PREFIX)/lib/pm-graph/config/*
-	if [ -d $(DESTDIR)$(PREFIX)/lib/pm-graph/config ] ; then \
-		rmdir $(DESTDIR)$(PREFIX)/lib/pm-graph/config; \
+	rm -f $(DESTDIR)$(LIBDIR)/pm-graph/config/*
+	if [ -d $(DESTDIR)$(LIBDIR)/pm-graph/config ] ; then \
+		rmdir $(DESTDIR)$(LIBDIR)/pm-graph/config; \
 	fi;
-	rm -f $(DESTDIR)$(PREFIX)/lib/pm-graph/__pycache__/*
-	if [ -d $(DESTDIR)$(PREFIX)/lib/pm-graph/__pycache__ ] ; then \
-		rmdir $(DESTDIR)$(PREFIX)/lib/pm-graph/__pycache__; \
+	rm -f $(DESTDIR)$(LIBDIR)/pm-graph/__pycache__/*
+	if [ -d $(DESTDIR)$(LIBDIR)/pm-graph/__pycache__ ] ; then \
+		rmdir $(DESTDIR)$(LIBDIR)/pm-graph/__pycache__; \
 	fi;
-	rm -f $(DESTDIR)$(PREFIX)/lib/pm-graph/*
-	if [ -d $(DESTDIR)$(PREFIX)/lib/pm-graph ] ; then \
-		rmdir $(DESTDIR)$(PREFIX)/lib/pm-graph; \
+	rm -f $(DESTDIR)$(LIBDIR)/pm-graph/*
+	if [ -d $(DESTDIR)$(LIBDIR)/pm-graph ] ; then \
+		rmdir $(DESTDIR)$(LIBDIR)/pm-graph; \
 	fi;
+
+help:
+	@echo  'Building targets:'
+	@echo  '  all		  - Nothing to build'
+	@echo  '  install	  - Install the program and create necessary directories'
+	@echo  '  uninstall	  - Remove installed files and directories'
+
+.PHONY: all install uninstall help
-- 
2.25.1

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