[CMake] Compute Node Linux (CNL)

[John Biddiscombe]

Alex

> So with CNL you run a simplified Linux on the compute nodes instead of 
> Catamopunt ? And that simplified Linux doesn't support shared libs ? And you 
> build on these nodes ?
>   
We build on the head node, but it creates binary compatible executables. 
As it turns out, shared libs are (or might be) supported if you can 
ensure that they are seen correctly by all compute nodes - which in our 
case means either building on /scratch or doing a make install to there. 
(There might be some other hoops to jump through to make the executable 
image file correctly load them, but I've not fully investigated this yet).

I had some other compatibility problems and have not yet revisited the 
build so I can't tell if all is ok or not. I will probably get back to 
it when I have spare time, but I'll make a mental note of your flag 
below for when and if I need it.

thanks

JB

> You can do 
> SET_PROPERTY(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
> this will at least warn when you try to build a shared lib. 
> Support for this is also in ParaView, so if it is disabled, it will build 
> fully static.
>
> Alex
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>   


-- 
John Biddiscombe,                            email:biddisco @ cscs.ch
http://www.cscs.ch/
CSCS, Swiss National Supercomputing Centre  | Tel:  +41 (91) 610.82.07
Via Cantonale, 6928 Manno, Switzerland      | Fax:  +41 (91) 610.82.82