linux-kernel - [PATCH 2/2] pm: cpupower: Makefile: better support cross-compiling

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Message-Id: <20240912013846.3058728-2-peng.fan@oss.nxp.com>
Date: Thu, 12 Sep 2024 09:38:45 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: Thomas Renninger <trenn@...e.com>,
	Shuah Khan <shuah@...nel.org>,
	"John B. Wyatt IV" <jwyatt@...hat.com>,
	John Kacur <jkacur@...hat.com>,
	linux-pm@...r.kernel.org (open list:CPU POWER MONITORING SUBSYSTEM),
	linux-kernel@...r.kernel.org (open list)
Cc: Peng Fan <peng.fan@....com>
Subject: [PATCH 2/2] pm: cpupower: Makefile: better support cross-compiling

From: Peng Fan <peng.fan@....com>

Allow overridding the envs, this will be easier to user Yocto
cross-compiler toolchains to build cpupower with only two steps:

source (toolchain path)/environment-setup-armv8a-poky-linux
make

Signed-off-by: Peng Fan <peng.fan@....com>
---
 tools/power/cpupower/Makefile | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index 6c02f401069e..e2a48af6fa2a 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -86,12 +86,12 @@ INSTALL_SCRIPT = ${INSTALL} -m 644
 # If you are running a cross compiler, you may want to set this
 # to something more interesting, like "arm-linux-".  If you want
 # to compile vs uClibc, that can be done here as well.
-CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
-CC = $(CROSS)gcc
-LD = $(CROSS)gcc
-AR = $(CROSS)ar
-STRIP = $(CROSS)strip
-RANLIB = $(CROSS)ranlib
+CROSS ?= #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
+CC ?= $(CROSS)gcc
+LD ?= $(CROSS)gcc
+AR ?= $(CROSS)ar
+STRIP ?= $(CROSS)strip
+RANLIB ?= $(CROSS)ranlib
 HOSTCC = gcc
 MKDIR = mkdir
 
-- 
2.37.1