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Message-Id: <20240623-fix-lib-install-v1-1-bcbd03b78d87@gmail.com>
Date: Sun, 23 Jun 2024 15:10:10 +0200
From: Roman Storozhenko <romeusmeister@...il.com>
To: Thomas Renninger <trenn@...e.com>, Shuah Khan <shuah@...nel.org>
Cc: Javier Carrasco <javier.carrasco.cruz@...il.com>, 
 linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Roman Storozhenko <romeusmeister@...il.com>
Subject: [PATCH] cpupower: fix lib default installation path

Invocation the tool built with the default settings fails:
$ cpupower
cpupower: error while loading shared libraries: libcpupower.so.1: cannot
open shared object file: No such file or directory

The issue is that Makefile puts the library to "/usr/lib64" dir for a 64
bit machine. This is wrong. According to the "File hierarchy standard
specification:
https://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard
https://refspecs.linuxfoundation.org/FHS_3.0/fhs-3.0.pdf

"/usr/lib<qual>" dirs are intended for alternative-format libraries
(e.g., "/usr/lib32" for 32-bit libraries on a 64-bit machine (optional)).

The utility is built for the current machine and doesn't change bit
depth.
Fix the issue by changing library destination dir to "/usr/lib".

Signed-off-by: Roman Storozhenko <romeusmeister@...il.com>
---
 tools/power/cpupower/Makefile | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index cd0225a312b4..6c02f401069e 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -67,6 +67,7 @@ LANGUAGES = 			de fr it cs pt ka
 bindir ?=	/usr/bin
 sbindir ?=	/usr/sbin
 mandir ?=	/usr/man
+libdir ?=	/usr/lib
 includedir ?=	/usr/include
 localedir ?=	/usr/share/locale
 docdir ?=       /usr/share/doc/packages/cpupower
@@ -94,15 +95,6 @@ RANLIB = $(CROSS)ranlib
 HOSTCC = gcc
 MKDIR = mkdir
 
-# 64bit library detection
-include ../../scripts/Makefile.arch
-
-ifeq ($(IS_64_BIT), 1)
-libdir ?=	/usr/lib64
-else
-libdir ?=	/usr/lib
-endif
-
 # Now we set up the build system
 #
 

---
base-commit: f76698bd9a8ca01d3581236082d786e9a6b72bb7
change-id: 20240623-fix-lib-install-3b7dccdbdf45

Best regards,
-- 
Roman Storozhenko <romeusmeister@...il.com>


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