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

Subject: Re: EPICS build on armv6l
From: Florian Feldbauer <florian@ep1.ruhr-uni-bochum.de>
To: Tim Robinson <tim@northmeadow.co.uk>
Cc: tech-talk@aps.anl.gov
Date: Wed, 13 Jun 2012 09:24:30 +0200
Hi all,

worked for me too. Tim is right, you have to include
$(CONFIG)/CONFIG.gnuCommon, too, in order
to have the $(CC) and $(CCC) macros in the Makefiles
defined.
Without it make uses the commands 'c' for .cpp and 'cc' for .c.
Since cc is a compiler, this works, but 'c' is not a command, so compiling .cpp fails.

Best regards and thanks for your help
Florian

On 06/13/2012 01:06 AM, Tim Robinson wrote:
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


--
-------------------------------------
| Florian Feldbauer                 |
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-------------------------------------


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

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