Experimental Physics and
Industrial Control System

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

Subject:	RE: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db
From:	Freddie Akeroyd - STFC UKRI via Tech-talk <tech-talk at aps.anl.gov>
To:	"Marco A. Barra Montevechi Filho" <marco.filho at lnls.br>, "Mooney, Tim M." <mooney at anl.gov>, SOL <sol at lnls.br>, "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov>
Date:	Wed, 19 Oct 2022 23:52:55 +0000

Hi Marco,

How was the other EPICS base compiled – was that cross compiled? Does it have e.g. bin/linux-x86_64 as well as bin/linux-arm directories? I guess strictly you would only need as much of epics base compiled for amd64 to be able to run any necessary executables (e.g. msi) as part of the cross compile build – you will need all necessary libraries compiled for linux-arm to be able to cross-link applications. If the epics base was cross compiled for linux-arm on amd64 and has both these architectures in its bin directory, then I would have though setting your EPICS_HOST_ARCH to linux-x86_64 and pointing synApps at this EPICS base would then also pick up the epics base cross compile option and build synApps linux-arm for you too (as well as for x86_64).

Regards,

Freddie

From: Marco A. Barra Montevechi Filho <marco.filho at lnls.br>
Sent: 19 October 2022 16:32
To: Akeroyd, Freddie (STFC,RAL,ISIS) <freddie.akeroyd at stfc.ac.uk>; Mooney, Tim M. <mooney at anl.gov>; SOL <sol at lnls.br>; tech-talk at aps.anl.gov
Subject: Re: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db

Thanks, Akeroyd! Im going to take a look at it.

Can i consider that my EPICS base compilation is not right then?

In the link you showed me its written: "I’m also assuming you already have EPICS base downloaded and compiled"

The compiled EPICS here is compiled in the target architecture or the host? In other words: do i need to compile my EPICS base using this toolchain or can i use my current one, supposing ts compiled for amd architecture?

Regards,

Marco

From: Freddie Akeroyd - STFC UKRI <freddie.akeroyd at stfc.ac.uk>
Sent: 19 October 2022 12:06
To: Marco A. Barra Montevechi Filho <marco.filho at lnls.br>; Mooney, Tim M. <mooney at anl.gov>; SOL <sol at lnls.br>; tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: RE: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db

Hi,

I hadn’t noticed you were compiling for linux-arm on amd64, I think you’ll need to set CROSS_COMPILER_TARGET_ARCHS rather than EPICS_HOST_ARCH maybe something along the lines of https://epics-controls.org/resources-and-support/documents/howto-documents/cross-compile-epics-ioc-old-x86-linux/

Regards,

Freddie

From: Marco A. Barra Montevechi Filho <marco.filho at lnls.br>
Sent: 19 October 2022 16:02
To: Akeroyd, Freddie (STFC,RAL,ISIS) <freddie.akeroyd at stfc.ac.uk>; Mooney, Tim M. <mooney at anl.gov>; SOL <sol at lnls.br>; tech-talk at aps.anl.gov
Subject: Re: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db

Hi, Freddie!

I tried adding it to configure/CONFIG_SITE inside opcua-v0-9-3 but it still doesnt work:

opcua-v0-9-3/exampleTop/DeviceDbApp/S7-1500Db# make

make -C O.linux-arm -f ../Makefile TOP=../../.. \

T_A=linux-arm install

make[1]: Entering directory '/usr/local/epics-nfs/modules/R7.0.5/synApps/R6.1/support/synApps/support/opcua-v0-9-3/exampleTop/DeviceDbApp/S7-1500Db/O.linux-arm'

Inflating database from ../S7-1500-server.substitutions

I. -I.. -I../O.Common -I../../../db -o S7-1500-server.db -S../S7-1500-server.substitutions

make[1]: I.: Command not found

make[1]: [/usr/local/epics-nfs/base/R7.0.5//configure/RULES.Db:477: ../O.Common/S7-1500-server.db] Error 127 (ignored)

mv: cannot stat 'S7-1500-server.db': No such file or directory

make[1]: *** [/usr/local/epics-nfs/base/R7.0.5//configure/RULES.Db:478: ../O.Common/S7-1500-server.db] Error 1

make[1]: Leaving directory '/usr/local/epics-nfs/modules/R7.0.5/synApps/R6.1/support/synApps/support/opcua-v0-9-3/exampleTop/DeviceDbApp/S7-1500Db/O.linux-arm'

make: *** [/usr/local/epics-nfs/base/R7.0.5//configure/RULES_ARCHS:58: install.linux-arm] Error 2

Should it be in cnofigure/CONFIG_SITE of synApps?

Thanks,

Marco

From: Freddie Akeroyd - STFC UKRI <freddie.akeroyd at stfc.ac.uk>
Sent: 19 October 2022 11:58
To: Mooney, Tim M. <mooney at anl.gov>; SOL <sol at lnls.br>; Marco A. Barra Montevechi Filho <marco.filho at lnls.br>; tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: RE: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db

Hi Marco,

I think Tim is correct that the msi command has not been found. A version of MSI is shipped with EPICS 7, if it is not being picked up you may be able to just add

MSI = $(MSI3_15)

To e.g. configure/CONFIG_SITE

Regards,

Freddie

From: Tech-talk <tech-talk-bounces at aps.anl.gov> On Behalf Of Mooney, Tim M. via Tech-talk
Sent: 19 October 2022 15:37
To: tech-talk at aps.anl.gov; SOL <sol at lnls.br>; Marco A. Barra Montevechi Filho <marco.filho at lnls.br>
Subject: Re: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db

Hi Marco,

The tool that turns a .substitutions file into a .db file is MSI. I think that's what's not being found.

https://epics.anl.gov/extensions/msi/index.php

EPICS Macro Substitution and Include Tool

MSI: Macro Substitution and Include Tool. MSI is a general purpose macro substitution/include tool. It accepts as input an ascii template file. Documentation

epics.anl.gov

Tim Mooney (mooney at anl.gov) (630)252-5417
Beamline Controls Group (www.aps.anl.gov)
Advanced Photon Source, Argonne National Lab

From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Marco A. Barra Montevechi Filho via Tech-talk <tech-talk at aps.anl.gov>
Sent: Wednesday, October 19, 2022 8:44 AM
To: tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>; SOL <sol at lnls.br>
Subject: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db

Hello all. Im compiling synApps with EPICS base R7.0.5 for linux-arm. The base has already been compiled for linux-arm here. (details about arm compilation at the end of e-mail).

I got the synApps support from https://github.com/EPICS-synApps/support. I then defined my EPICS_BASE to point to the right directory and EPICS_HOST_ARCH=linux-arm. I also added $EPICS_BASE/bin/linux-arm to PATH and $EPICS_BASE/lib/linux-arm to LD_LIBRARY_PATH. I edited EPICS_BASE inside assemble_synApps.sh to point to the right location.

In the compilation process i needed to install libnet-dev, libpcap0.8-dev and libusb-dev, all without trouble.

Now, inside synApps/support/opcua-v0-9-3/exampleTop/DeviceDbApp/S7-1500Db, when i run make i get the following error message:

/usr/local/epics-nfs/modules/R7.0.5/synApps/R6.1/support/synApps/support/opcua-v0-9-3/exampleTop/DeviceDbApp/S7-1500Db# make

make -C O.linux-arm -f ../Makefile TOP=../../.. \

T_A=linux-arm install

make[1]: Entering directory '/usr/local/epics-nfs/modules/R7.0.5/synApps/R6.1/support/synApps/support/opcua-v0-9-3/exampleTop/DeviceDbApp/S7-1500Db/O.linux-arm'

Inflating database from ../S7-1500-server.substitutions

I. -I.. -I../O.Common -I../../../db -o S7-1500-server.db -S../S7-1500-server.substitutions

make[1]: I.: Command not found

make[1]: [/usr/local/epics-nfs/base/R7.0.5//configure/RULES.Db:477: ../O.Common/S7-1500-server.db] Error 127 (ignored)

mv: cannot stat 'S7-1500-server.db': No such file or directory

make[1]: *** [/usr/local/epics-nfs/base/R7.0.5//configure/RULES.Db:478: ../O.Common/S7-1500-server.db] Error 1

make[1]: Leaving directory '/usr/local/epics-nfs/modules/R7.0.5/synApps/R6.1/support/synApps/support/opcua-v0-9-3/exampleTop/DeviceDbApp/S7-1500Db/O.linux-arm'

make: *** [/usr/local/epics-nfs/base/R7.0.5//configure/RULES_ARCHS:58: install.linux-arm] Error 2

2 things here make me curious: make[1]: I.: Command not found and mv: cannot stat 'S7-1500-server.db': No such file or directory

The "command not found" makes no sense to me at all. I tried following the Makefiles and includes to find where is the problematic command comming from but i couldnt find it. Im not fluent in make so i might be missing something silly.

The 'S7-1500-server.db': No such file or directory makes more sense to me: after cd into the opcua-v0-9-3 module and doing ´find -iname S7-1500-server.db´ i find nothing. I also find nothing with this name below EPICS base. Am i misunderstanding something or is this .db file actually missing?

Im compilng synApps just to get AreaDetector anyway, so i suppose i can just comment out opcua from my support/configure/RELEASE?

Thanks for any help,

Marco

Obs: details about arm compilation

The IOCs from this base and synApps are going to run in an arm machine, but the compilation is being made in a container hosted in an amd machine. Inside the container, uname -a returns:

Linux sol7-linux 4.9.0-11-amd64 #1 SMP Debian 4.9.189-3+deb9u2 (2019-11-11) x86_64 GNU/Linux

but i configured EPICS_HOST_ARCH=linux-arm

The base compiled with no problem.
I did this because we have a few arm machines in here and their EPICS_HOST_ARCH was defined this way. Am i forgetting anything important? Should just defining this env var make the compilation work for arm even if the host is amd?

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Replies:: Re: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db Marco A. Barra Montevechi Filho via Tech-talk

References:: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db Marco A. Barra Montevechi Filho via Tech-talk; Re: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db Mooney, Tim M. via Tech-talk; RE: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db Freddie Akeroyd - STFC UKRI via Tech-talk; Re: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db Marco A. Barra Montevechi Filho via Tech-talk; RE: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db Freddie Akeroyd - STFC UKRI via Tech-talk; Re: Help compiling synApps for linux-arm: opcua missing S7-1500-server.db Marco A. Barra Montevechi Filho via Tech-talk

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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System