On 23 January 2016 at 04:41, dE wrote: > Then again I recompiled GCC without graphite support, removed cloog, isl, > ppl, then recompiled GCC with graphite support and then compiled cloog, isl, > ppl. GCC 5.3 doesn't use cloog or ppl, it only needs ISL version 0.14 (or 0.12.2). Doing it twice is a complete waste of time, just build it once with ISL and you'll have the graphite support.