Re: Undefined symbol _ZN2gr12msg_accepter4postEN5boost13intrusive_ptrIN3pmt8pmt_baseEEES5_

2021-11-10 Thread John Coppens
On Wed, 10 Nov 2021 09:47:42 +0200 Vasil Velichkov wrote: > So most probably your OOT has been built with an older pmt.h from > gnuradio 3.7.*. To find where pmt.h has been included from go in the > gr-osmosdr's build directory and grep pmt.h recursively > > grep -R pmt.h . > > You can als

Re: Undefined symbol _ZN2gr12msg_accepter4postEN5boost13intrusive_ptrIN3pmt8pmt_baseEEES5_

2021-11-09 Thread John Coppens
Hi Vasil. Thanks for replying! Below are the outputs of the commands you proposed. As you can see from the 'find', there is only one libgnuradio-runtime installed. Also, the 'ldd' on osmosdr seems to confirm the missing symbols, and everything is linked against the same libgnuradio-runtime.so.

Re: Undefined symbol _ZN2gr12msg_accepter4postEN5boost13intrusive_ptrIN3pmt8pmt_baseEEES5_

2021-11-09 Thread John Coppens
On Mon, 8 Nov 2021 16:28:30 +0100 Marcus Müller wrote: > Hi John, > > as discussed on chat: this happens if, and only if, you're linking at > build time to a different library than your runtime shared library > loader finds. > > The fix is simple: make sure you've *not* got two versions of GNU

Undefined symbol _ZN2gr12msg_accepter4postEN5boost13intrusive_ptrIN3pmt8pmt_baseEEES5_

2021-11-04 Thread John Coppens
Hi all. I've been suffering trying to install gnuradio. I tried different versions, and different combinations with gr-osmosdr, as I don't see a list of which versions go together. Using, eg. gr-osmosdr.so.0.2.0 and gnuradio-3.8.4.0, which I have compiled successfully on my Slackware64-current

Re: [Discuss-gnuradio] Tuning in VLF with a sound card

2019-05-15 Thread John Coppens
On Thu, 2 May 2019 16:22:24 -0400 Brad Hein wrote: > I took a Raspberry Pi and attached a 48KHz USB sound card, with a big > magnetic loop antenna fed into the mic. Just a suggestion: If you have a loop antenna, which is a symmetrical antenna, and couple it to an asymmetrical input (MIC), you wi

Re: [Discuss-gnuradio] Weird install problem, GR 3.7.8.1

2015-11-11 Thread John Coppens
On Wed, 11 Nov 2015 13:42:35 -0800 Johnathan Corgan wrote: > On Wed, Nov 11, 2015 at 6:07 AM, Frederick E. Stevens > wrote: > > > > As I recall, this behavior has cropped up in 3.6 and 3.7 of gnuradio for > > me but it wasn't much of an issue at the time. > > This afternoon, I had some time t

Re: [Discuss-gnuradio] Weird install problem, GR 3.7.8.1

2015-11-10 Thread John Coppens
On Tue, 10 Nov 2015 22:03:42 -0300 John Coppens wrote: > I'd like to have a go at debugging this, but due to gnuradio's size I have > no real idea how to start. Can anyone give me a pointer? > Investigating a little, I found that the strange directory structure seems to

[Discuss-gnuradio] Weird install problem, GR 3.7.8.1

2015-11-10 Thread John Coppens
Hello all. I've compiled and installed the last version on my home PC and on the notebook. Both under Linux Slackware (mostly version 14.1, some updates to -current). Both run gcc 4.9.x, Python 2.7.10. Both are AMD64 systems. On the PC all is well, but on the notebook I have some strange issues w

Re: [Discuss-gnuradio] NOAA antenna

2013-05-15 Thread John Coppens
On Wed, 15 May 2013 08:29:59 -0400 "Marcus D. Leech" wrote: > I think a lot of people use a QFH antenna, or a turnstile antenna for > NOAA satellites at 137Mhz. Note that you will almost certainly need an antenna amplifier too (unless you make a huge antenna ;) Even a specialized receiver needs

Re: [Discuss-gnuradio] impossible to execute flow graph

2012-11-04 Thread John Coppens
> How to check if wxPython is installed? In a terminal window: $ python Python 2.7.3 (default, Jun 15 2012, 16:17:03) [GCC 4.5.2] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>

Re: [Discuss-gnuradio] e4k?

2012-10-26 Thread John Coppens
On Fri, 26 Oct 2012 23:05:28 -0400 "Marcus D. Leech" wrote: > I don't think Baz' support for RTL dongles has been maintained in quite > some time. It was based on the early osmo stuff anyway. Great - it works. I compiled the osmo package (had to move it manually again, as cmake doesn't respec

[Discuss-gnuradio] e4k?

2012-10-26 Thread John Coppens
Hello all! I received my ezcap dongles a while ago, and just found time to get things configured and installed. It works... but I get a load of I2C problems. I read about these problems being solved in the new e4k driver. I can't seem to find that driver though. Help! I installed a package cal

Re: [Discuss-gnuradio] Close to tagging and releasing 3.5.3, merging next branch

2012-04-06 Thread John Coppens
On Thu, 5 Apr 2012 13:51:42 -0700 Johnathan Corgan wrote: > At this point, the master branch of the repository is ready for > tagging and releasing as 3.5.3, which is the last planned release of > the 3.5.x series. It will have a maint branch, so there is a > possibility of a 3.5.3.x bug fix rel

Re: [Discuss-gnuradio] SNR measurement

2012-04-03 Thread John Coppens
On Tue, 3 Apr 2012 13:15:00 -0300 John Coppens wrote: > Still trying to get more acquainted with GNU radio... I was trying to > get SNR working to some point, but no luck yet. My apologies for the duplicate. I sent a first copy, and an hour later it still wasn't on the list. I th

[Discuss-gnuradio] SNR measurement

2012-04-03 Thread John Coppens
Hello all, Still trying to get more acquainted with GNU radio... I was trying to get SNR working to some point, but no luck yet. 1) I have a receiver which tunes from 0 to 50 kHz (from matlab file input), and at some point (audio frequencies) I connected the Probe MPSK SNR block. 2) I connected

[Discuss-gnuradio] SNR measurement

2012-04-03 Thread John Coppens
Hello all, Still trying to get more acquainted with GNU radio... I was trying to get SNR working to some point, but no luck yet. 1) I have a receiver which tunes from 0 to 50 kHz (from matlab file input), and at some point (audio frequencies) I connected the Probe MPSK SNR block. 2) I connected

Re: [Discuss-gnuradio] WAV sink

2012-03-27 Thread John Coppens
On Tue, 27 Mar 2012 09:36:14 +0200 Martin Braun wrote: > These bytes can only be set once the writing is finished, and it's > called from the destructor, so that might not be getting called...? > It also gets called when the WAV file changes. > Calling close() manually is also possible (but shoul

Re: [Discuss-gnuradio] WAV sink

2012-03-26 Thread John Coppens
On Sun, 25 Mar 2012 20:01:48 -0300 John Coppens wrote: > Hi all. > > A small (?) error: The doc for the wav sink says: > > "Read stream from a Microsoft PCM (.wav) file, output floats. > > Values are within [-1;1]. Check gr_make_wavfile_source() for extra >

[Discuss-gnuradio] WAV sink

2012-03-25 Thread John Coppens
Hi all. A small (?) error: The doc for the wav sink says: "Read stream from a Microsoft PCM (.wav) file, output floats. Values are within [-1;1]. Check gr_make_wavfile_source() for extra info." This was probably copied for the wav source... Greetings, John ___

Re: [Discuss-gnuradio] A last(?) hurdle?

2012-03-13 Thread John Coppens
On Tue, 13 Mar 2012 17:24:18 +0100 Martin Braun wrote: > Try calling him Marcus, perhaps that'll help :D > > Martin Thanks Martin, Yep, I'll try to call Martin Marcus in the future, the problem was that I was relying on my memory, which lately got somewhat warbled (more than usual) by this res

Re: [Discuss-gnuradio] A last(?) hurdle?

2012-03-13 Thread John Coppens
On Tue, 13 Mar 2012 10:01:09 -0400 mle...@ripnet.com wrote: > sudo rm /usr/local/lib64/libgnuradio* Martin, though I'm far from being an experienced Python programmer, please note that the error seems to be between non-gnuradio components: ImportError: /usr/lib64/python2.6/site-packages/wx-2.8

Re: [Discuss-gnuradio] A last(?) hurdle?

2012-03-13 Thread John Coppens
On Tue, 13 Mar 2012 10:01:09 -0400 mle...@ripnet.com wrote: > sudo rm /usr/local/lib64/libgnuradio* > > Then re-do your gnuradio > build and install > > Then "sudo ldconfig" > Thanks Martin, but no luck there. Exactly the same error. John ___ Di

[Discuss-gnuradio] A last(?) hurdle?

2012-03-13 Thread John Coppens
After updating a series of programs, I lost the use of gnuradio. Several problems have been solved, and I have recompiled gr+grc, and it is running again. When I execute a fairly simple program, I get the following error: File "", line 1, in File "/usr/local/lib64/python2.6/site-packages/gn

Re: [Discuss-gnuradio] cmake destination on 64-bit machines

2012-03-12 Thread John Coppens
On Mon, 05 Mar 2012 14:39:54 -0800 Josh Blum wrote: > try -DREDHAT=TRUE, that seems like it should work, since the build > system isnt otherwise setting REDHAT to false, its just undefined when > not detected. > > On the other hand, here is a diff to detect slackware: > http://pastebin.com/n2aXK

Re: [Discuss-gnuradio] cmake destination on 64-bit machines

2012-03-05 Thread John Coppens
On Mon, 05 Mar 2012 08:14:27 -0800 Josh Blum wrote: > >> I think its the double dashes. Try -DLIB_SUFFIX=64 > > > > Yes! Thanks... But why the double dash on --DREDHAT ? > > I dont recommend it. I think all the double dash arguments are ignored. Single dash (-DREDHAT) isn't accepted - maybe it

Re: [Discuss-gnuradio] cmake destination on 64-bit machines

2012-03-04 Thread John Coppens
On Sun, 04 Mar 2012 09:20:07 -0800 Josh Blum wrote: > > Still installs in lib instead of lib64. > > > > I think its the double dashes. Try -DLIB_SUFFIX=64 Yes! Thanks... But why the double dash on --DREDHAT ? John ___ Discuss-gnuradio mailing list

[Discuss-gnuradio] cmake destination on 64-bit machines

2012-03-04 Thread John Coppens
Hello all, Cmake seems to insist on installing all libraries in /usr/local/lib instead on /usr/local/lib64. I can't find an obvious way to define a destination path in cmake, or an architecture. My machine is an AMD64, running Slackware, where the difference between 32 and 64 bit libraries is def

Re: [Discuss-gnuradio] Undefined symbol on starting grc

2012-02-21 Thread John Coppens
On Mon, 20 Feb 2012 07:52:33 -0800 Johnathan Corgan wrote: > Scratch that, just reread your post. Is your gri_matfile.cc getting > added to the swig library? I suspect so, but I'm not sure how to test it (is there a way to check?) Anyway, I changed the code a little. After checking quite a few

[Discuss-gnuradio] Undefined symbol on starting grc

2012-02-20 Thread John Coppens
Hi guys, First time poster... I wrote a block to read Matlab files, similar to the Wav file importer, and finally got around to getting all compile errors solved. I receive up to 50 350 MB Matlab data files per day, and would prefer to have the format natively readable in gnuradio, so I wrote th

Re: [Discuss-gnuradio] www.gnuradio.org (and git) is down

2012-02-18 Thread John Coppens
On Sat, 18 Feb 2012 12:09:46 -0500 Tom Rondeau wrote: > It's working for me. No reset required. Try again. If redirecting is not enabled in the browser, it may not get to gnuradio.org. It seems www.gnuradio.org goes there through redirection. John __

Re: [Discuss-gnuradio] software for antenna designers

2012-02-01 Thread John Coppens
On Wed, 1 Feb 2012 18:43:41 +0200 "Patrik Tast" wrote: > Thanks Alexander for the hint, I was unaware of it. ... and check xnecview 1.34 for viewing the nec2 results. John ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.

Re: [Discuss-gnuradio] Strange behaviour of example 'variable-config.grc'

2011-12-07 Thread John Coppens
On Tue, 6 Dec 2011 18:00:51 -0500 Tom Rondeau wrote: > What OS are you running? OS is Linux 2.6.37.3 running on an AMD64 - the distribution is Slackware64-current with the Gnome SlackBuild additions and XFCE as window manager. I have no idea how to debug a mixture of Python and C++, so I can't

Re: [Discuss-gnuradio] Strange behaviour of example 'variable-config.grc'

2011-12-06 Thread John Coppens
On Tue, 6 Dec 2011 12:51:50 -0500 Tom Rondeau wrote: > John, > Where are you running GRC from? And are you trying to run this inside GRC > or on the command line after you generate the .py file? I call gnuradio-companion from a terminal window (That's where the error messages come from) > I'm a

[Discuss-gnuradio] Strange behaviour of example 'variable-config.grc'

2011-12-05 Thread John Coppens
Hi, Pardon my newness to gnuradio... I compiled and installed the latest dev tar.gz. I tried to compile 3.4.2 with autotools, but didn't get anywhere. So I followed an advice in a mail I found, and, using cmake/gmake, all went well (no error messages at least). Impatiently, I composed a small sys