Hi Al, please see https://groups.io/g/wsjtgroup/message/3407 I had this exact same issue. I thought it was the sound system on Ubuntu 24.04. I built from source as well. I spent two weeks “debugging” the sound system issues until I posted to the main list and someone said to install the package. It is documented in the user's guide that you might want to install that package. It is in the Linux install section and I quote: You may also need to execute the following command in a terminal:sudo apt install libgfortran5 libqt5widgets5 libqt5network5 \ libqt5printsupport5 libqt5multimedia5-plugins libqt5serialport5 \ libqt5sql5-sqlite libfftw3-single3 libgomp1 libboost-all-dev \ libusb-1.0-0 libportaudio2 There is also an indication in the wsjtx_syslog.txt file. My log got rotated so I don't have a copy of the of the relevant text but it does not call out that package. So IMHO it is easy to miss.
It would be nice to have that in the INSTALL file. And yes it is not a build dependency but I would hope that the INSTALL file would also include runtime dependencies as well :-) Marc WA6HBR On Sunday, October 06, 2024 14:56 CDT, "alawler mudhawk.com via wsjt-devel" <wsjt-devel@lists.sourceforge.net> wrote: HI folks, I have recently built 2 systems from scratch (The latest Linux Mint on an old laptop, and the last Raspberry PI Os on a Pi-4), then built wsjtx-2.7.0-rcx from source exactly following the instructions in the INSTALL file in terms of package requirements etc. Wsjtx builds and installs correctly, and comes up and runs, but during configuration, there are no audio devices found. (The Tx & RX Dropdowns are empty on the Audio Config page.) Poking around a bit, it seems that the libqt5multimedia5-plugins package needs to be present at runtime. While technically not a "build" dependency, mentioning it alongside the rest of the qt5 packages in INSTALL would resolve the issue with just a documentation update, and probably save some grief for other folks in the future. (It's a trivial edit if anybody else is in there, and agrees with my findings, or I can submit a PR. --al WB1BQE
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