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/51db1a05720c3d1a51eff58084a02...

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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