[PATCH] fixed warning related to spstdc17

[Sebastian Huber]

On 24.10.23 14:02, zack leung wrote:
> hi! sabestian did you mean the size of the structure?

Yes, one option to get rid of the empty structures is to just provide 
typedefs, for example:

#if defined(RTEMS_SMP)
typedef struct Scheduler_Context {
    ...
} Scheduler_Context;
#else
typedef struct Scheduler_Context Scheduler_Context;
#endif

Then you have to make sure that #if !defined(RTEMS_SMP) no objects of 
this type are used.

For the ISR locks we can do something similar. However, in this case 
this affects also the API, so we probably need an API define for this as 
well.  Suggestion: RTEMS_HAVE_INTERRUPT_LOCK_OBJECTS.

The user can then do something like this:

struct app {
   ...
#if defined(RTEMS_HAVE_INTERRUPT_LOCK_OBJECTS)
   rtems_interrupt_lock lock;
#endif
   ...
}

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