Patch from Sven Eden via bug 552370 https://bugs.gentoo.org/show_bug.cgi?id=552370 --- a/include/IL/il.h 2009-03-08 08:10:08.000000000 +0100 +++ b/include/IL/il.h 2015-09-03 16:22:04.056637044 +0200 @@ -63,13 +63,13 @@ #endif #endif -#ifdef RESTRICT_KEYWORD -#define RESTRICT restrict -#define CONST_RESTRICT const restrict +#if defined(RESTRICT_KEYWORD) && !defined(__cplusplus) +#define RESTRICT __restrict__ +#define CONST_RESTRICT const __restrict__ #else #define RESTRICT #define CONST_RESTRICT const -#endif +#endif // RESTRICT keyword and not C++ #include