SoapySDR Error Compiling GR-OSMOSDR

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yagigain
Posts: 3
Joined: Thu May 25, 2017 12:40 am

SoapySDR Error Compiling GR-OSMOSDR

Postby yagigain » Sat May 27, 2017 1:24 pm

Not happy with the performance of the R2 with GNU Radio I decided to try SoapySDR, but I can't get past this error, been at it all day.

I have installed SoapySDR and SoapySDRPlay .. Soapy sees the SDRPlay R2 device ok. I need it working via gr-osmosdr though .. when I compile gr-osmosdr I get this errror,

CMake Error at /home/gnu/Downloads/prefix/default/SoapySDR/cmake/SoapySDRConfig.cmake:161 (message):
cannot find SoapySDR library in /home/gnu/Downloads/prefix/lib

Any ideas ... I am about all out .. going to plug the Airspy back in for a while !
Last edited by yagigain on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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octave9
Posts: 59
Joined: Sun Feb 19, 2017 7:54 pm

Re: SoapySDR Error Compiling GR-OSMOSDR

Postby octave9 » Sat May 27, 2017 2:35 pm

No idea really and my Linux PC doesn't get used for SDRplay, but there are bits of installs on the system and I did a 'locate osmosdr' which shows where there are some libs:

$ locate osmosdr
/lib/udev/rules.d/60-libosmosdr0.rules
/usr/lib/x86_64-linux-gnu/libgnuradio-osmosdr.so.0.1.5git
/usr/lib/x86_64-linux-gnu/libosmosdr.so.0
/usr/lib/x86_64-linux-gnu/libosmosdr.so.0.0.0
/usr/lib/x86_64-linux-gnu/SoapySDR/modules0.6/libosmosdrSupport.so

The last one may be the one your cmake fails to find.

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yagigain
Posts: 3
Joined: Thu May 25, 2017 12:40 am

Re: SoapySDR Error Compiling GR-OSMOSDR

Postby yagigain » Sat May 27, 2017 4:15 pm

Thanks, I tried forcing the lib path and it solved it .. however it then couldn't find the includes path .. so I forced that and now its saying it can't find the package. hmmm, Seems like there is some underlaying problem.

I have the R2 working with gr-osmsdr but the performance is poor compared to my airspy ... i think I need Soapy to get the R2 supported properly.

I might start over .. how would I remove the compiled SoapySDR ?
Last edited by yagigain on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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octave9
Posts: 59
Joined: Sun Feb 19, 2017 7:54 pm

Re: SoapySDR Error Compiling GR-OSMOSDR

Postby octave9 » Sun May 28, 2017 7:45 am

There's an 'uninstall' target in the SoapySDR Makefile, so you can use that to remove it. There isn't one for SoapySDRPlay, but I don't think it does much more than install a lib, which you could manually remove. This was how the install of the latter went for me:

[100%] Built target sdrPlaySupport
Install the project...
-- Install configuration: "Release"
-- Installing: /usr/local/lib/SoapySDR/modules0.6-dev/libsdrPlaySupport.so
-- Set runtime path of "/usr/local/lib/SoapySDR/modules0.6-dev/libsdrPlaySupport.so" to ""

Hoping reinstallation improves it, but I find it's really hard to be fully objective when comparing two radios...

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