Re: Building and testing Libera EPICS

[Michael Abbott <michael.abbott@diamond.ac.uk>]

On Tue, 21 Nov 2006, Andrew Johnson wrote:
> >         export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$EPICS_BASE/lib"
> >         export PATH="$PATH:$EPICS_BASE/bin"
>
> Both of the above are incorrect, all EPICS install directories have an 
> architecture component as well; you need to use these instead:
>
>  export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$EPICS_BASE/lib/$EPICS_HOST_ARCH"
>  export PATH="$PATH:$EPICS_BASE/bin/$EPICS_HOST_ARCH"

Hmm.  This does of course depend on how EPICS has been installed on the 
target system, and I suspect that I may have broken the rules in my 
definition of how EPICS is installed on the Libera electron beam position 
monitor (this is the environment Yan Ying Bing is using).

If you install EPICS as I instruct Libera users:
	1. build EPICS
	2. run install-epics on the host
	3. run libera-install-epics on the target
then the following files are installed on the *target*:
	/opt/epics/lib	<- copy of $EPICS_BASE/lib/linux-arm/*.so
	/opt/epics/bin	<- only $EPICS_BASE/bin/linux-arm/caRepeater

This is a bit non-standard, but I hope not too confusing.  Of course, if 
this has been done, then we need
	export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/epics/lib
	export PATH=$PATH:/opt/epics/bin

I hope this configuration is not too deviant!