--- c-ray-master/src/libraries/asprintf.h 2021-03-13 00:16:23.782000000 +0100 +++ c-ray-master/src/libraries/asprintf.h 2021-03-13 00:16:41.350553067 +0100 @@ -33,7 +33,7 @@ * GNU-C-compatible compilers implement these with the same names, thus we * don't have to do anything */ -#ifdef _MSC_VER +#if defined(_MSC_VER) || defined(__serenity__) int cray_vasprintf(char **strp, const char *format, va_list ap) { int len = vscprintf(format, ap); if (len == -1)