On 10/29/2014 09:43 AM, Wilco Dijkstra wrote: > +#define MALLOC_LARGE_BLOCK_ALIGN (64) > +#define MALLOC_LARGE_BLOCK_SIZE (16384) Typo-prone interface. It will generate -Wundef errors. See: https://sourceware.org/glibc/wiki/Wundef It will become an error soon to leave these undefined for other arches. Cheers, Carlos.