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Subject: Multiple OS Build
From: Hugo Slepicka <hhslepicka@gmail.com>
To: "tech-talk@aps.anl.gov" <tech-talk@aps.anl.gov>
Date: Mon, 09 Jan 2017 17:36:42 +0000
Hi All,

I would like some input from the community regarding the organization of EPICS build for multiple OS targets (not cross-compiling), e.g. RHEL (5, 6, 7), Debian and other flavors available to coexist in a shared directory structure.

How is the community handling cases similar to rhel7-x86_64 versus rhel6-x86_64 given that "EPICS_HOST_ARCH" returns "linux-x86_64" for both?

One possible solutions would be to use something like:
       <shared_path>/<os_version>/base/.../<EPICS_HOST_ARCH>/...
       - where os_version would be: rhel5, rhel6, deb7, deb8, etc.

Another solution would be to apply a local patch to the EPICS building system to return a specific value for EPICS_HOST_ARCH including the <os_version>, e.g. rhel6-x86_64, resulting in something like this:
       <shared_path>/base/.../<NEW_EPICS_HOST_ARCH>/...


Thanks,
Hugo


Replies:
RE: Multiple OS Build Mark Rivers
Re: Multiple OS Build Andrew Johnson
Re: Multiple OS Build Ron Sluiter

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