On 1/10/23 15:08, Daniel Wagner wrote:
> On Tue, Jan 10, 2023 at 02:55:03PM +0100, Daniel Bristot de Oliveira wrote:
>> 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?
>
> FWIW, this is change is also backwards compatible, meaning if you have system
> which has a libtracefs.pkg installed which lists libtraceevent in its Libs:
> section the 'pkg-config --libs libtracefs libtraceevent' command will return the
> identically string which is '-ltracefs -ltraceevent'.
Yeah, we know it. I've added both in the initial implementation, but Steven suggested
using only libtracefs because it depends on libtraceevent anyways. That is why
I am re-checking with him.
-- Daniel
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