[Discuss OpenCPI] Re: Application Makefiles

From: Ian Chodera <iac_at_md1tech.co.uk>
Date: Fri, 12 May 23 08:52:45 +0100

Hi Jim

Thanks for this info, I didn’t actually see your reply till after I found my crude compile fix. It is a neater way than I found, but essentially the same solution

The runtime problem still exists:

My app.xml instantiates a component
  <Instance component='local.HHProject.HHLib.HHComp' externals='true' />

But at runtime the component isn’t found
app failed: No acceptable implementations found in any libraries for "local.HHProject.HHLib.HHComp". Use log level 8 for more detail.

The component does exists (can be seen in the listing ‘ocpidev show components’ and if I build the application without the custom Makefile the app runs fine

Ian Chodera
MD1 Technology Ltd.

e: iac_at_md1tech.co.uk
w: www.md1tech.co.uk






MD1TechnologyLtd. is registered in England & Wales with company number 09378746.
Registered address: Cheltenham Film & Photographic Studios, Hatherley Lane, Cheltenham, Gloucestershire, England. GL51 6PN.
VAT registration number: GB 206 3877 05

> On 11 May 2023, at 13:56, James Kulp <jek_at_parera.com> wrote:
>
> This "build outside of OpenCPI" setup is missing an update in the "develop" branch, causing two variables to be set incorrectly.
>
> A short term workaround would be to set these variables properly after including the ocpisetup.mk script in your Makefile:
>
> OCPI_PREREQUISITES_LIBS:=lzma gmp gpsd ad9361
> OCPI_API_LIBS:=application remote_support container library msg metadata transport xfer drc drc_ad9361 base util foreign os
>
> I only tested this fix on centos7.
>
> Hopefully this will get fixed in a future release.
>
> Jim
>
>
>
>
>
> On 5/11/23 5:50 AM, Ian Chodera wrote:
>> In the OpenCPI Application Development Guide https://opencpi.gitlab.io/releases/latest/docs/OpenCPI_Application_Development_Guide.pdf
>>
>> (On page 52) There is an example makefile for building an ACI program outside of OpenCPI projects, but using it results in the linker error /usr/bin/ld: cannot find -locpi_msg_driver_interface: No such file or directory
>>
>> Does anyone have a fix for this? Or can you point me in the direction of what needs to be changed?
>>
>> "OpenCPI version is 2.5.0-develop”
>>
>> Ian Chodera
>> MD1 Technology Ltd.
>>
>> e: iac_at_md1tech.co.uk <mailto:iac_at_md1tech.co.uk>
>> w: www.md1tech.co.uk <http://www.md1tech.co.uk/>
>>
>>
>> <9001-RGB-Logo-136x136.jpg>
>>
>>
>>
>> MD1TechnologyLtd. is registered in England & Wales with company number 09378746.
>> Registered address: Cheltenham Film & Photographic Studios, Hatherley Lane, Cheltenham, Gloucestershire, England. GL51 6PN.
>> VAT registration number: GB 206 3877 05
>>
>>
>>
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Received on Fri May 12 2023 - 07:52:45 CDT