On 14 April 2015 at 14:04, Daniel Letai <dani@xxxxxxxxxxxx> wrote: > Hi, > I have successfully built GCC 4.8.4 based on the following lib versions: > gmp 6.0.0a > mpfr 3.1.2 (patched) > mpc 1.0.3 > isl 0.14 > osl 0.9.0 > cloog 0.18.3 > > I am aware of ISL's api change, and was happily surprised it did not > prevent compilation of gcc 4.8.4, but when compiling 4.9.2 it fails. > > Is there a workaround? a simple one is preferable. If you don't need Graphite then just --without-isl is the simplest workaround. Otherwise, use different versions (e.g. use the recommended ones) until it's solved.