Jamulus
Building v 3.7.0 and later fails to build on my Ubuntu 18.4 #1667
Answered
by
hoffie
andreaskagedal
asked this question in
Technical Support & Help
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Hi, First time poster. I have a problem building later versions of jamulus on my Ubuntu Linux 18.4 box. Building 3.6.2 works fine using the build instructions here. But for 3.7.0 and later, it does not work. I get error-messages related to "qInfo", see below. Is this a known issue? I tried to search the Issues section and googled a bit, but could not find anything relevant. Here is an example of the error messages I get: |
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Answered by
hoffie
May 10, 2021
Replies: 2 comments 3 replies
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Hi!
Not that I'd know of. Quite to the contrary -- the official .debs are built on Ubuntu 18.04: jamulus/.github/workflows/autobuild.yml Line 105 in f015f88 So, I suspect there must be a difference between your build and our autobuild job. Can you try comparing/testing the autobuild scripts on your machine? Are there any other error messages before those you posted here? Not sure if you are aware, but meanwhile official deb packages are provided as part of the release. Maybe this would be an alternative for you as well. cc @gilgongo Kind regards |
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2 replies
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Yes, debs are preferred now, and we have re-written the compiling instructions here (yet to be merged): https://github.com/jamulussoftware/jamulus/blob/gilgongo-compiling/COMPILING.md Would be good to know if anything in those new compilation instructions helps. |
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I tried the new instructions. I got the same result. I guess it has to do withe Qt5 somehow, or Jack :-) . I allready had qtbase5-dev installed. As far as I could tell, the difference in the instructions was that I should first do "make distclean". That worked fine. Then do a "qmake" without the "Jamulus.pro" argument. That worked fine too. Then "make" and that is where I see failure. The full printout from "make": |
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Ah, I think this is the culprit:
Qt being in /opt is a definite hint that this is not the system-provided Qt. Also, it seems to be older. I assume that you have installed this version of Qt in addition? If you are no longer using it, it might be best to remove it. If you want to keep it, you would have to look into removing it from the relevant environment variables ( |
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1 reply
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That was it! Thanks for finding this. I guess I did install this a long time ago for now forgotten reasons. When I removed the /opt/Qt folder everything worked. It was all my own fault. Sorry for the trouble! And very much thanks for the help! It would have taken me a long time to find this on my own. |
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Answer selected by
softins
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Ah, I think this is the culprit:
Qt being in /opt is a definite hint that this is not the system-provided Qt. Also, it seems to be older. I assume that you have installed this version of Qt in addition? If you are no longer using it, it might be best to remove it. If you want to keep it, you would have to look into removing it from the relevant environment variables (
env | grep /opt/qtmight be a pointer what to unset/override for building Jamulus with the tested system Qt).