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<== Date ==> <== Thread ==>

Subject: RE: EPICS build on armv6l
From: "Tim Robinson" <tim@northmeadow.co.uk>
To: <tech-talk@aps.anl.gov>
Date: Wed, 13 Jun 2012 00:06:35 +0100
Hi

My raspberryPi arrived this morning, one of the things I wanted to 
try on it was EPICS. I have time on my hands at the moment, so I 
did a quick trial of this.

> 
> Hi Florian,
> 
> On 2012-06-12 Florian Feldbauer wrote:
> > Currently arm is only supported as target not as host for build.
> > Since the Raspberry Pi has a gnu c compiler and all the libraries I
> > need (also a x-server), would it be possible to build EPICS directly
> > on this system instead of building it on a different system?
> 
> Yes, although as Jeff said you might need to add a few things to the
> configure/os directory to get it to build.  Since you're self-hosting I
> think you should be able to use the generic target name linux-arm for
> this build, which should simplify the Base configuration process.

I also chose linux-arm, though I wondered if I should indicate endianness
too.

> 
> You will need to create the file CONFIG.linux-arm.Common containing the
> line
>     include $(CONFIG)/os/CONFIG.UnixCommon.Common
> but that might be all you actually have to do.  CONFIG.Common.linux-arm
> may look like it's only set up for cross-compilation, but those
> settings are actually overrides to variables set in
> CONFIG.Common.UnixCommon so first try building without making any
> changes there.

I did that, and also included $(CONFIG)/CONFIG.gnuCommon
I dare say that's not the way (or place) to do it, but I found that 
without that, COMPILE.cpp was undefined, so I was able to compile .c 
sources, but not .cpp
I haven't got to the bottom of that, maybe tomorrow.

> 
> In case it's not clear, files names *.<host>.Common are included
> whenever building on <host> irrespective of the target; files named
> *.Common.<target> are included whenever compiling for <target> on any
> host; files named *.<host>.<target> are used whenever that particular
> combination of <host> and <target> are involved.  Files named
> CONFIG.*.* contain default settings for the build process, while files
> named CONFIG_SITE.*.* are intended for site- specific settings such as
> paths that might vary (location of cross-compilers etc.).
> 
> After a top-level 'make' succeeds, you will want to use 'make runtests'
> to execute the build-in test programs (note that epicsMessageQueueTest
> takes 5 minutes to run, don't assume it has crashed when the messages
> stop mid-test).

The tests passed
That's all I've tried so far

Thanks

tim

> 
> Hope this gets you started, ask if you get stuck.  I would be
> interested in adding your configuration files to the Base distribution
> if you would like to contribute them once you have everything working.
> 
> - Andrew
> --
> Never interrupt your enemy when he is making a mistake.
> -- Napoleon Bonaparte


Replies:
Re: EPICS build on armv6l Florian Feldbauer
RE: EPICS build on armv6l Tim Robinson
References:
EPICS build on armv6l Florian Feldbauer
Re: EPICS build on armv6l Andrew Johnson

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