Marc Nieper-Wißkirchen wrote:
> #if __GNUC__ >= 3
> __attribute__ ((__pure__))
> #endif
> 
> A feature test in configure for the attributes would be even better
> because other compilers like Clang will also accept the GCC attributes

The preprocessor expression '__GNUC__ >= 3' evaluates to true on clang.
So, there is no issue here.

Bruno


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