[MPICH] Application Link Error when using mpich2-1.0.6 in smpd mode

[Robert Latham]

On Tue, Oct 16, 2007 at 10:02:11AM -0600, Cavey, Lester wrote:
> If I build mpich2-1.0.6 configured in regular mode (non-smpd), my linux
> application links and runs fine.  If I build mpich2-1.0.6 configured in
> smpd mode, I get the following error message when I try to link my
> application:
> "/usr/local/mpich2-1.0.6/lib//libmpich.a(smpd_hash.o): In function
> `smpd_hash':
>     smpd_hash.c:(.text+0x4b): undefined reference to `MD5'"

It looks like a missing '-lssl' or '-lcrypt'.  
>  
> I get the error when I build mpich2-1.0.6 either like this:
>             ./configure --with-pm=smpd --prefix=/usr/local/mpich2 

Looks like a bug in our configure script (didn't add the necessary
libraries to mpicc or mpif90).
 
> Any ideas on how I can take care of the undefined reference?

If you add -lssl or -lcrypt to your link step, and the error goes
away, then we know what we need to fix.

==rob

-- 
Rob Latham
Mathematics and Computer Science Division    A215 0178 EA2D B059 8CDF
Argonne National Lab, IL USA                 B29D F333 664A 4280 315B