Re: [PATCH regression 4.0 -> 4.1] tools perf: Fix build breakage if prefix= is specified

From: Lukas Wunner
Date: Fri Jun 19 2015 - 07:54:25 EST

Hi Jiri, Hi David,

On Fri, Jun 19, 2015 at 12:17:06AM +0200, Jiri Olsa wrote:
> it had effect.. prefix is passed to build framework throught .config-detected
> file as prefix_SQ variable, which is then referenced in perf Build makefiles

You're right, thanks for the clarification.

The underlying issue is basically that the same variable name is used for
two different things, to calculate the paths of the build targets in and to pass the install directory around between Makefiles.
And which one "wins" depends on invocation. If we just rename the variable
in, the issue is gone. That's what the patch does.

Thanks again,

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