[PATCH] rtems: Avoid -Wundef warnings in API header

[Gedare Bloom]

ok

On Fri, Mar 22, 2024 at 3:32 AM Sebastian Huber
<sebastian.huber at embedded-brains.de> wrote:
>
> ---
>  cpukit/include/rtems/score/basedefs.h | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/cpukit/include/rtems/score/basedefs.h b/cpukit/include/rtems/score/basedefs.h
> index 4f28e6a525..010728d795 100644
> --- a/cpukit/include/rtems/score/basedefs.h
> +++ b/cpukit/include/rtems/score/basedefs.h
> @@ -168,9 +168,9 @@ extern "C" {
>   *
>   * @return Returns the alignment requirement of the type.
>   */
> -#if __cplusplus >= 201103L
> +#if defined( __cplusplus ) && __cplusplus >= 201103L
>    #define RTEMS_ALIGNOF( _type_name ) alignof( _type_name )
> -#elif __STDC_VERSION__ >= 201112L
> +#elif defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 201112L
>    #define RTEMS_ALIGNOF( _type_name ) _Alignof( _type_name )
>  #else
>    #define RTEMS_ALIGNOF( _type_name ) sizeof( _type_name )
> @@ -376,9 +376,9 @@ extern "C" {
>   * @brief Tells the compiler in a function declaration that this function does
>   *   not return.
>   */
> -#if __cplusplus >= 201103L
> +#if defined( __cplusplus ) && __cplusplus >= 201103L
>    #define RTEMS_NO_RETURN [[noreturn]]
> -#elif __STDC_VERSION__ >= 201112L
> +#elif defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 201112L
>    #define RTEMS_NO_RETURN _Noreturn
>  #elif defined(__GNUC__)
>    #define RTEMS_NO_RETURN __attribute__(( __noreturn__ ))
> @@ -833,9 +833,9 @@ extern "C" {
>   *
>   * @param _msg is the error message in case the static assertion fails.
>   */
> -#if __cplusplus >= 201103L
> +#if defined( __cplusplus ) && __cplusplus >= 201103L
>    #define RTEMS_STATIC_ASSERT( _cond, _msg ) static_assert( _cond, # _msg )
> -#elif __STDC_VERSION__ >= 201112L
> +#elif defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 201112L
>    #define RTEMS_STATIC_ASSERT( _cond, _msg ) _Static_assert( _cond, # _msg )
>  #else
>    #define RTEMS_STATIC_ASSERT( _cond, _msg ) \
> --
> 2.35.3
>
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