linux-kernel - Re: [PATCH] Revert "cpupower Makefile change to help run the tool without 'make install'"

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Message-ID: <2850879.eZiuZCSV0J@vostro.rjw.lan>
Date:	Thu, 12 Mar 2015 23:38:14 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Josh Boyer <jwboyer@...oraproject.org>
Cc:	Thomas Renninger <trenn@...e.de>,
	"sriram@...irs.net.in" <sriram@...irs.net.in>,
	Linux PM list <linux-pm@...r.kernel.org>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Revert "cpupower Makefile change to help run the tool without 'make install'"

On Tuesday, March 10, 2015 08:26:36 PM Josh Boyer wrote:
> This reverts commit 5c1de006e8e66b0be05be422416629e344c71652.
> 
> While the original commit makes it easier to run cpupower from the local build
> directory, it also leaves the binary with a rather poor rpath of './' in it
> after it is installed on a system via 'make install'.
> 
> This is considered bad practice and can cause cpupower to fail in rpmbuild
> with the following error:
> 
> ERROR   0004: file '/usr/bin/cpupower' contains an insecure rpath './' in [./]
> error: Bad exit status from /var/tmp/rpm-tmp.A6u26r (%install)
>     Bad exit status from /var/tmp/rpm-tmp.A6u26r (%install)
> 
> Developers should be able to use LD_LIBRARY_PATH to achieve the same effect
> and not introduce rpath into the binary.
> 
> Signed-off-by: Josh Boyer <jwboyer@...raproject.org>

Queued up for 4.0-rc4, thanks!

> ---
>  tools/power/cpupower/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
> index 3ed7c0476d48..2e2ba2efa0d9 100644
> --- a/tools/power/cpupower/Makefile
> +++ b/tools/power/cpupower/Makefile
> @@ -209,7 +209,7 @@ $(OUTPUT)%.o: %.c
>  
>  $(OUTPUT)cpupower: $(UTIL_OBJS) $(OUTPUT)libcpupower.so.$(LIB_MAJ)
>  	$(ECHO) "  CC      " $@
> -	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -Wl,-rpath=./ -lrt -lpci -L$(OUTPUT) -o $@
> +	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -lrt -lpci -L$(OUTPUT) -o $@
>  	$(QUIET) $(STRIPCMD) $@
>  
>  $(OUTPUT)po/$(PACKAGE).pot: $(UTIL_SRC)
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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