re PR middle-end/64017 (Support ISL 0.14.0 (to fix ICE with gfortran.dg/graphite...

re PR middle-end/64017 (Support ISL 0.14.0 (to fix ICE with gfortran.dg/graphite/pr42393.f90))

2014-12-01  Tobias Burnus  <burnus@net-b.de>
            Jack Howarth  <howarth@bromo.med.uc.edu>

        PR middle-end/64017
        * configure.ac
        * (ac_has_isl_schedule_constraints_compute_schedule):
        New check.
        * doc/install.texi (ISL): Permit ISL 0.14.
        * graphite-optimize-isl.c (getScheduleForBandList,
        * optimize_isl):
        Conditionally use ISL 0.13+ functions.
        * graphite-interchange.c: Make 'extern "C"' conditional.
        * graphite-isl-ast-to-gimple.c: Ditto.
        * graphite-poly.c: Ditto.
        * graphite-sese-to-poly.c: Ditto.
        * config.in: Regenerate.
        * gcc/configure: Regenerate.

Co-Authored-By: Jack Howarth <howarth@bromo.med.uc.edu>
From-SVN: r218247