Re: [dpdk-dev] [PATCH v2 04/13] app/test: fix macro definition

[Thomas Monjalon <thomas@monjalon.net>]

08/04/2020 18:15, Lukasz Wojciechowski:
> Hi Thomas,
> 
> Before my patch there was just a definition:
> #define RTE_TEST_TRACE_FAILURE TEST_TRACE_FAILURE
> without #ifndef condition.
> 
> It caused a build problem to me when working on security test, which 
> uses both rte_test.h and test.h
> As libraries should go first on the include list before local files I used:
> 
> #include <rte_test.h>
> #include "test.h"
> 
> sequence, which cause obvious build error as RTE_TEST_TRACE_FAILURE was 
> first defined as an empty macro inside rte_test.h, and redefinition in 
> test.h caused a problem.
> 
> 
> So I had two ways to solve the issue:
> 1) to wrap it with #ifndef condition and leave the definition there
> 2) to remove the redefinition from test.h
> 
> I've chosen the 1) solution because:
> * Author of the former patch had placed the definition there for some 
> purpose

Because rte_test.h is more recent and its addition was not complete enough.
rte_test.h should be included in test.h, and overlaps removed.

> * In my opinion it is better to have the definition present and pointing 
> to the same macro for both RTE_TEST_TRACE_FAILURE and TEST_TRACE_FAILURE 
> as it would make logs look more consistent when printing information the 
> same way.

I think solution 2 is better.


PS: please avoid top-posting


> W dniu 08.04.2020 o 14:53, Thomas Monjalon pisze:
> > 08/04/2020 05:13, Lukasz Wojciechowski:
> >> Wrap RTE_TEST_TRACE_FAILURE macro definition into #ifndef clause
> >> as it might be already defined.
> > I think it should not be defined at all.
> > Why not including rte_test.h?
> >
> >
> >
>