Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
./include/linux/types.h:35:33: error: âboolâ cannot be defined via âtypedefâ
   35 | typedef _Bool                   bool;
      |                                 ^~~~
./include/linux/types.h:35:33: note: âboolâ is a keyword with â-std=c23â onwards
The code is not C23 compliant. The keyword 'bool' is used in enumeration as a constant.