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mpich build failure


mpich has not been building on ARM for the past month or so, stopping at
the C++ static->shared lib linking moment:

make --no-print-directory mpi-addons
Making a shared library of libmpich.a
Successfully linked libmpich.a
Making a shared library of libpmpich.a
Successfully linked libpmpich.a
Making a shared library of libfmpich.a
Successfully linked libfmpich.a
Making a shared library of libpmpich++.a
/usr/bin/ld: cannot find -lstdc++
collect2: ld returned 1 exit status
Linking libpmpich++.a shared lib failed 
make[3]: *** [mpichsharelibs] Error 1
make[2]: *** [mpi-addons] Error 2
make[1]: *** [mpi] Error 2
make[1]: Leaving directory `/build/buildd/mpich-1.2.7/image_mpich'
make: *** [build-stamp] Error 2

The same make command and scripts succeeded through last October
(1.2.7-2), but unfortunately I didn't try to build again until last
month, so I don't know just when this broke.  All of the other arches
are succeeding here.

Any ideas on what might be different on ARM such that this is failing?

[Please CC me as I'm no longer subscribed.]

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