On Jul 31, 2014, at 3:08 AM, Gonzalo BG <gonzalobg88@gmail.com> wrote:

> Here the corresponding patch for the src/python/py_nonblocking.cpp file (I can also send a pull-request over github if desired).

Yes, a PR in github would help, thanks.

>
>
> On Thu, Jul 31, 2014 at 11:01 AM, Gonzalo BG <gonzalobg88@gmail.com> wrote:
> Explicitly converting optional to bool in those two cases (there are two test_all calls) fixes the issue, is it possible to get this patched before the 1.56.0 release?
>
> This might be a c++11/14 specific bug (I compile with clang-trunk using c++1y).
>
> On Thu, Jul 31, 2014 at 10:52 AM, Gonzalo BG <gonzalobg88@gmail.com> wrote:
> I'm getting the following compilation error on the git master branch mpi py_nonblocking.cpp
>
> libs/mpi/src/python/py_nonblocking.cpp:166:14: error: no viable conversion from 'optional<(anonymous namespace)::py_call_output_iterator<boost::mpi::status, std::__1::__wrap_iter<boost::mpi::python::request_with_value *> > >' to 'bool'
>       return test_all(requests.begin(), requests.end(),
>
>              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> 1 error generated.
>
>
>
> when compiling with clang:
>
>
> "clang++" -x c++ -Wl,-flat_namespace -stdlib=libc++ -nostdinc++ -std=c++1y -I/Users/gnzlbg/src/env/include/libcxx -O3 -O3 -finline-functions -Wno-inline -Wall -DBOOST_ALL_NO_LIB=1 -DBOOST_MPI_DYN_LINK=1 -DBOOST_MPI_PYTHON_DYN_LINK=1 -DBOOST_PYTHON_DYN_LINK=1 -DNDEBUG -I"." -I"/Users/gnzlbg/src/env/include" -I"/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/include/python2.7" -c -o "/Users/gnzlbg/src/env/boost_build/boost/bin.v2/libs/mpi/build/clang-darwin-4.2.1/release/threading-multi/python/py_nonblocking.o" "libs/mpi/src/python/py_nonblocking.cpp"
>
>
>
> Any ideas?
>
>
>

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