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Re: mpich 1.2.7 "transition"


> One issue: the gcc 4.0 transition which gives us gfortran also gives us
> a new C++ ABI.  There's one lib in mpich which is built using the C++
> compiler, libpmpich++.so (linked from libmpi++.so).  However, those libs
> are not linked to libstdc++ (ldd doesn't show a dependency, and
> dh_shlibdeps doesn't auto-generate a dependency on the new libstdc++
> version.  So, do the new shared lib packages need to be libmpich1.0c2
> etc?  I think so...  Note that this will require that we all rebuild C++
> executables and libs to link with the new libpmpich++.

AFAICR this is a result of mpich makefiles calling 
ld manually instead of g++ to link the binaries.

So, the g++ transition should affect mpich, yes.


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