linux-kernel - Re: [PATCH] tools/rtla: Explicitly list libtraceevent dependency

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Message-ID: <42d1e999-79a6-94dc-cc88-77520ddce068@kernel.org>
Date:   Tue, 10 Jan 2023 14:55:03 +0100
From:   Daniel Bristot de Oliveira <bristot@...nel.org>
To:     Daniel Wagner <dwagner@...e.de>,
        Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-trace-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tools/rtla: Explicitly list libtraceevent dependency

On 1/10/23 14:18, Daniel Wagner wrote:
> The current libtracefs.pkg file lists the dependency on
> libtraceevent ("pkg-config --libs libtracefs" -> "-ltracefs
> -ltraceevent").
> 
> Dan Nicholson's Guide to pkg-config[1] stats that "Libs: The link
> flags specific to this package and any required libraries that don't
> support pkg-config". Thus the current libtracefs.pkg is not correct.
> 
> rtla is depending on libtraceevent but it doesn't express this in
> 'pkg-config' part to retrieve the correct build flags.
> 
> In order to be able to update the "Libs:" section in the libtracefs
> project we need to list the dependency explicitly to avoid future linker
> failures.

I am ok with it. Steve?

-- Daniel