[Bug bootstrap/53835] New: in tree isl / cloog build fails

["Joost.VandeVondele at mat dot ethz.ch" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53835

             Bug #: 53835
           Summary: in tree isl / cloog build fails
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: Joost.VandeVondele@mat.ethz.ch


after downloading from gcc/infrastructure, and put cloog and isl in-tree, a
bootstrap fails with the errors below. Executing make in obj/cloog goes fine.

make[3]: Entering directory `/data/vjoost/gnu/gcc_trunk/obj/cloog'
Making all in .
checking for ANSI C header files... make[4]: Entering directory
`/data/vjoost/gnu/gcc_trunk/obj/cloog'
  CC     libcloog_isl_la-block.lo
  CC     libcloog_isl_la-clast.lo
  CC     libcloog_isl_la-matrix.lo
  CC     libcloog_isl_la-state.lo
  CC     libcloog_isl_la-input.lo
  CC     libcloog_isl_la-int.lo
  CC     libcloog_isl_la-loop.lo
  CC     libcloog_isl_la-names.lo
  CC     libcloog_isl_la-options.lo
  CC     libcloog_isl_la-pprint.lo
  CC     libcloog_isl_la-program.lo
  CC     libcloog_isl_la-union_domain.lo
  CC     libcloog_isl_la-statement.lo
  CC     libcloog_isl_la-stride.lo
  CC     libcloog_isl_la-domain.lo
  CC     libcloog_isl_la-backend.lo
  CC     libcloog_isl_la-version.lo
  CC     libcloog_isl_la-constraints.lo
  CC     cloog.o
In file included from ../../gcc/cloog/include/cloog/isl/constraintset.h:4:0,
                 from ../../gcc/cloog/include/cloog/isl/cloog.h:9,
                 from ../../gcc/cloog/source/isl/backend.c:1:
../../gcc/cloog/include/cloog/isl/backend.h:4:28: fatal error:
isl/constraint.h: No such file or directory
compilation terminated.
make[4]: *** [libcloog_isl_la-backend.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
In file included from ../../gcc/cloog/include/cloog/isl/constraintset.h:4:0,
                 from ../../gcc/cloog/include/cloog/isl/cloog.h:9,
                 from ../../gcc/cloog/source/isl/constraints.c:4:
../../gcc/cloog/include/cloog/isl/backend.h:4:28: fatal error:
isl/constraint.h: No such file or directory