Jeeva Paudel <je...@ualberta.ca> wrote on 05/15/2012 12:51:01 PM:
>
> I successfully built the x10 v2.2.2.2 compiler from source, using:
> javac 1.6.0_11
> gcc version 4.4.6 20110731 (Red Hat 4.4.6-3)
> Apache Ant version 1.6.5 (the x10-lang website mentions 1.7, but 1.
> 6.5 works fine as well.)
>
> I also successfully built the MPI implementation of X10RT, and I am
> using mvapich2 1.8
>
> When trying to compile programs in the x10.dist/samples directory, I
> get the following internal compiler error:
> -bash-3.2$ my/path/bin/x10c++ -x10rt mpi -MAIN_CLASS=KMeansDist -d .
> KMeansDist.x10
> x10c++: my/path/x10.dist/stdlib/include/x10/array/Array.h: In member
> function 'void x10::array::Array<T>::_constructor(x10_int) [with
> x10tp__T = int]':
> my/path/x10.dist/stdlib/include/x10/array/Array.h:1551:
> internal compiler error: in cp_expr_size, at cp/cp-objcp-common.c:101
>
> Am I doing something incorrectly?
>
Hi,
That's an assertion failure in gcc. So far, I've only ever seen it
in gcc 4.1. Newer versions of gcc have never shown it (gcc bug was fixed).
(1) Try giving x10c++ the extra command line options
-report postcompile=5
to verify that it is actually using the version of gcc that you think
it is.
(2) Depending on (1), either switch to using gcc 4.4.6 (which should
not have this problem) or (2) tell the X10 compiler to avoid statement
expressions (the gcc extension that triggers this bug) by giving x10c++ the
extra commandline argument -STATEMENT_EXPR_GCC_WORKAROUND=true.
Unfortunately, you will have to rebuild x10 from scratch with this extra
option (since you need to force the regeneration of all the files in the
standard library, like Array.h).
--dave------------------------------------------------------------------------------
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