When an architecture is unsupported arch.h would silently continue. This leads to a lot of followup errors because my_syscallX() is not defined and the startup code is missing. Avoid these confusing errors and fail the build early with a clear error message and location. Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx> --- tools/include/nolibc/arch.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/include/nolibc/arch.h b/tools/include/nolibc/arch.h index e276fb0680af..2f72ccac0378 100644 --- a/tools/include/nolibc/arch.h +++ b/tools/include/nolibc/arch.h @@ -33,6 +33,8 @@ #include "arch-s390.h" #elif defined(__loongarch__) #include "arch-loongarch.h" +#else +#error Unsupported Architecture #endif #endif /* _NOLIBC_ARCH_H */ -- 2.42.1