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Subject: Re: [OMPI devel] [EXTERNAL] Open MPI Configure Script
From: David Beer (dbeer_at_[hidden])
Date: 2013-01-28 13:54:58


On Mon, Jan 28, 2013 at 10:54 AM, Barrett, Brian W <bwbarre_at_[hidden]>wrote:
>
>
> We assume that we can link lib torque into a C application (if this is a
> problem for you, it's a huge deal breaker for us, since OMPI is a C
> library). What does config.log say when checking for tm_init?
>
> Brian
>
>
Brian,

libtorque can still be linked in to C applications. In testing with a
simple C program, we did have to add

void *__gxx_personality_v0;

to the C program. Here is the error reported by the configure script:

checking for pbs-config... /usr/local/bin/pbs-config
checking tm.h usability... yes
checking tm.h presence... yes
checking for tm.h... yes
checking for tm_finalize... no
looking for header without includes
checking tm.h usability... yes
checking tm.h presence... yes
checking for tm.h... yes
looking for library without search path
checking for tm_init in -lpbs... no
looking for library in lib
checking for tm_init in -lpbs... no
looking for library in lib64
checking for tm_init in -lpbs... no
looking for library without search path
checking for tm_init in -ltorque... no
looking for library in lib
checking for tm_init in -ltorque... no
looking for library in lib64
checking for tm_init in -ltorque... no
configure: error: TM support requested but not found. Aborting

Oddly enough, if you have already configured with an older version of
TORQUE, you can build open-mpi with TORQUE 4.2 installed, so it can find
the function definitions when compiling, its just for some reason it
doesn't find them in the configure script. This is why I think that
something in the configure script is assuming that libtorque was compiled
with gcc.

David

> --
> Brian W. Barrett
> Scalable System Software Group
> Sandia National Laboratories
>
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>

-- 
David Beer | Senior Software Engineer
Adaptive Computing