[Halld-physics] Updating software for gcc 4.9.2

[Justin Stevens]

FYI, the command to load gcc_4.9.2 with 'module'

> module load gcc_4.9.2

is not available on the farm nodes at JLab, so you can instead manually set the PATH and LD_LIBRARY_PATH variables when setting up your environment so that it works properly for batch jobs as well.  For example:

> set GCC_HOME=/apps/gcc/4.9.2
> setenv PATH ${GCC_HOME}/bin:${PATH}
> setenv LD_LIBRARY_PATH ${GCC_HOME}/lib64:${GCC_HOME}/lib


-Justin

On Jun 1, 2016, at 3:26 PM, Paul Mattione wrote:

> Also, if you are working on the ifarm, before setting up your environment, you can run:
> 
> module load gcc_4.9.2
> 
> Which will prepend the necessary locations for the gcc libraries and binaries.  Then just source your latest environment that is built with gcc 4.9.2.  
> 
> - Paul
> 
> On Jun 1, 2016, at 3:22 PM, Paul Mattione <pmatt at jlab.org> wrote:
> 
>> We’ve now updated our software to work with gcc 4.9.2 on the farm.  To get your software to work at your home institutions with this version of gcc, you need to:
>> 
>> 1) Upgrade to JANA 0.7.5p2
>> 
>> 2) Update to the latest sim-recon
>> 
>> And then, if you are using analysis plugins generated by MakeReactionPlugin.pl:
>> 
>> 3) You need to update the SConstruct in each plugin.  The easiest way to do this is just to create a dummy plugin:
>> 
>> MakeReactionPlugin.pl dummy
>> 
>> and then copy the SConstruct it generates into all of your plugin folders.  
>> 
>> 4) In your analysis plugin processor brun(), delete all reference to DEventWriterROOT.  Creating of trees is done automatically now.  
>> 
>> - Paul
>> 
>> 
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> 
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