id summary reporter owner description type status milestone component version severity resolution keywords cc 3717 "boost.python doesn't compile with ""using mpi"" and python-3.1" Sebastian Mingramm Douglas Gregor "The following two errors occurred when I tried to build boost 1.41 on gentoo with python 3.1. Complete log attached. gcc.compile.c++ bin.v2/libs/mpi/build/gcc-4.4/gentooreleas /threading-multi/python/datatypes.o ""x86_64-pc-linux-gnu-g++"" -ftemplate-depth-128 -O2 -march=x86-64 -mtune=core2 -pipe -fno-strict-aliasing -finline-functions -Wno-inline -Wall -pthread -fPIC -O2 -Wl,-O1 -Wl,-rpath -Wl,/usr/lib64 -march=x86-64 -mtune=core2 -pipe -DBOOST_ALL_NO_LIB=1 -DBOOST_MPI_DYN_LINK=1 -DBOOST_MPI_PYTHON_DYN_LINK=1 -DBOOST_PYTHON_DYN_LINK=1 -DNDEBUG -I""."" -I""/usr/include"" -I""/usr/include/python3.1"" -c -o ""bin.v2/libs/mpi/build/gcc-4.4/gentoorelease/threading-multi/python/datatypes.o"" ""libs/mpi/src/python/datatypes.cpp"" libs/mpi/src/python/datatypes.cpp: In function 'void boost::mpi::python::export_datatypes()': libs/mpi/src/python/datatypes.cpp:20: error: 'PyInt_Type' was not declared in this scope gcc.compile.c++ bin.v2/libs/mpi/build/gcc-4.4/gentoorelease/threading-multi/python/py_environment.o ""x86_64-pc-linux-gnu-g++"" -ftemplate-depth-128 -O2 -march=x86-64 -mtune=core2 -pipe -fno-strict-aliasing -finline-functions -Wno-inline -Wall -pthread -fPIC -O2 -Wl,-O1 -Wl,-rpath -Wl,/usr/lib64 -march=x86-64 -mtune=core2 -pipe -DBOOST_ALL_NO_LIB=1 -DBOOST_MPI_DYN_LINK=1 -DBOOST_MPI_PYTHON_DYN_LINK=1 -DBOOST_PYTHON_DYN_LINK=1 -DNDEBUG -I""."" -I""/usr/include"" -I""/usr/include/python3.1"" -c -o ""bin.v2/libs/mpi/build/gcc-4.4/gentoorelease/threading-multi/python/py_environment.o"" ""libs/mpi/src/python/py_environment.cpp"" libs/mpi/src/python/py_environment.cpp: In function 'bool boost::mpi::python::mpi_init(boost::python::list, bool)': libs/mpi/src/python/py_environment.cpp:53: error: cannot convert 'char**' to 'wchar_t**' for argument '2' to 'void PySys_SetArgv(int, wchar_t**)' gcc.compile.c++ bin.v2/libs/mpi/build/gcc-4.4/gentoorelease/threading-multi/python/py_nonblocking.o" Bugs closed Boost 1.42.0 mpi Boost 1.41.0 Problem duplicate