Re: [Boost-users] [mpi] cvs, 2 errors, build missing -fPIC and install duplicate target

From: Douglas Gregor (doug.gregor_at_[hidden])
Date: 2007-06-04 09:11:16

On Jun 3, 2007, at 9:09 AM, Chris Fairles wrote:
> Error #1:
>
> Building with:
>
> ./tools/jam/src/bin.linux/bjam -d+2 -sICU_PATH=/usr variant=release
> threading=multi --layout=system --user-config=user-config.jam
> --with-date_time --with-filesystem --with-function_types
> --with-iostreams --with-mpi --with-program_options --with-python
> --with-serialization --with-signals --with-system --with-thread
> --with-test
>
> I obtained the following linker error.
>
> /usr/bin/ld: bin.v2/libs/mpi/build/gcc-4.1.1/release/link-static/ 
> threading-multi/collectives.o:
> relocation R_X86_64_32 against `__dso_handle' can not be used when
> making a shared object; recompile with -fPIC
>
> Solved by adding using gcc : : : <cxxflags>-fPIC ; to user-config.jam

Okay, thanks!

> Error #2:
>
> ./tools/jam/src/bin.linux/bjam -d+2 -sICU_PATH=/usr variant=release
> threading=multi --layout=system --user-config=user-config.jam
> --prefix=/home/cfairles/usr --exec-prefix=/home/cfairles/usr
> --libdir=/home/cfairles/usr/lib64
> --includedir=/home/cfairles/usr/include --with-date_time
> --with-filesystem --with-function_types --with-iostreams --with-mpi
> --with-program_options --with-python --with-serialization
> --with-signals --with-system --with-thread --with-test install
> /home/cfairles/repos/boost/tools/build/v2/build/virtual-target.jam: 
> 996:
> in virtual-target.register-actual-name from module virtual-target
> error: Duplicate name of actual target: <p/home/cfairles/usr/ 
> lib64>mpi.so
> error: previous virtual target {
> common%common.copy-mpi.so.PYTHON_EXTENSION {
> [snip big error]
> Not all Boost libraries built properly.
>
> Haven't found a workaround yet.

This is a know (but still unsolved!) problem with BBv2 and  
Boost.MPI's Python module. If you turn off Python support in user- 
config.jam, the rest of Boost.MPI should build and install correctly.  
I'm trying to find a real workaround, still.

   - Doug