[mpich-discuss] BLCR linker option typo?

[Halim Amer]

Hello Torquil,

This bug got propagated. Your fix is reasonable, so we pushed it 
upstream. It should be available in the 3.2 series.

Thank you for reporting the problem.

--Halim

www.mcs.anl.gov/~aamer

On 10/2/15 10:49 AM, Torquil Macdonald Sørensen wrote:
> Hi!
>
> When building MPICH 3.1.4 with ./configure options
> --enable-checkpointing --with-hydra-ckpointlib=blcr, as specified at:
>
> https://wiki.mpich.org/mpich/index.php/Checkpointing
>
> I'm get the error:
>
>    CC       src/pmi/simple/lib_libmpi_la-simple_pmiutil.lo
>    CC       src/pmi/simple/lib_libmpi_la-simple_pmi.lo
>    GEN      lib/libmpi.la
> /usr/bin/ld: cannot find -lblcr
> collect2: error: ld returned 1 exit status
> Makefile:16217: recipe for target 'lib/libmpi.la' failed
> make[2]: *** [lib/libmpi.la] Error 1
> make[2]: Leaving directory '/tmp/tmp.stowinstall.kvTp'
> Makefile:40727: recipe for target 'install-recursive' failed
> make[1]: *** [install-recursive] Error 1
>
> Looking at ./configure.ac, on line 5515, I find the string -lblcr.
> Shoudn't that be -lcr. As far as I know, the BLCR shared library
> filename is libcr.so, on my Debian system as well as in a BLCR RPM file
> I found at pkgs.org.
>
> The -lblcr string was introduced in configure.ac on GIT revision
> 51db1a05720c3d1a51eff58084a02b6b6c66e80f
>
> http://trac.mpich.org/projects/mpich/changeset/51db1a05720c3d1a51eff58084a02b6b6c66e80f/configure.ac
>
> If I change it to -lcr in configure.ac and run autoconf, I can build
> successfully, and mpiexec.hydra ends up correctly linked to libcr.so.0.
>
> I don't think I have an MPICH TRAC account, so I couldn't submit this as
> a bug report.
>
> Best regards,
> Torquil Macdonald Sørensen
>
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