Bug#848131: Acknowledgement (libmpich.so.12: cannot open shared object file: No such file or directory)

[Jerome BENOIT]

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Hello Ximin, thanks for your report.

On 14/12/16 14:55, Ximin Luo wrote:
> Control: reassign -1 libtachyon-mpich-0 Control: affects -1
> tachyon-bin-nox Control: affects -1 tachyon-bin-ogl
> 
> Note that the problem occurs only when you install
> libtachyon-mpich-0. (For some reason, that is what sbuild chose to
> satisfy sage's "tachyon" dependency. Probably I should remove my
> workaround of adding "libmpich12" to Sage's depends.)
> 
> It should be fixed by adding Depends: libmpich12 to
> libtachyon-mpich-0. I'm not sure exactly why this isn't happening
> already - but for example, if it is dynamically loaded using
> dlopen(1) rather than normal dynamic *linking* then I guess
> dpkg-shlibdeps won't pick it up, so you need to add it explicitly in
> debian/control.

I can reproduce the issue in schroot Sid environment on an amd64 box.
The Depends fields for the libraries is

${shlibs:Depends}, ${misc:Depends}

and it works fine except for mpich. Before to add it by hand, I want
to understand why dpkg-shlibdep does not make properly its job.

$ dpkg-shlibdeps debian/libtachyon-mpich-0/usr/lib/x86_64-linux-gnu/libtachyon-mpich-openmp.so.0

gives something interesting:

dpkg-shlibdeps: warning: /usr/lib/libmpich.so.12 has an unexpected SONAME (libmpi.so.20)
dpkg-shlibdeps: error: no dependency information found for /usr/lib/libmpich.so.12 (used by debian/libtachyon-mpich-0/usr/lib/x86_64-linux-gnu/libtachyon-mpich-openmp.so.0)

This leads me think that the issue caused by mpi-default-dev or a misusage of it.
I willdig it later.

Thanks,
Jerome

> 
> X
> 
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- -- 
Jerome BENOIT | calculus+at-rezozer^dot*net
https://qa.debian.org/developer.php?login=calculus@rezozer.net
AE28 AE15 710D FF1D 87E5  A762 3F92 19A6 7F36 C68B
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