On 15 Jan 2023 21:20, Mark Wielaard wrote:
> --- a/sim/mn10300/sim-main.h
> +++ b/sim/mn10300/sim-main.h
> @@ -38,7 +38,14 @@ mn10300_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), (TRANSFER),
>  #include "sim-fpu.h"
>  #include "sim-signal.h"
>  
> +/* These datastructures and defines are only used by the igen generated
> +   support.c, semantics.c, idecode.c and engine.c files.  */
> +#if defined(SUPPORT_C) \
> +    || defined(SEMANTICS_C) \
> +    || defined(IDECODE_C) \
> +    || defined(ENGINE_C)
>  #include "mn10300-sim.h"
> +#endif

a nifty hack.  can you move the sim-fpu.h & sim-signal.h inside this block ?
-mike