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How can I install the package qtbase-abi-5-9-5 in Ubuntu 19.10? I cannot find this package in the package search.

I need this to allow the installation of this government application from https://www.autenticacao.gov.pt/cc-software: https://www.autenticacao.gov.pt/documents/10179/11962/Autenticacao.gov_Ubuntu_18_x64.deb

It was made for Ubuntu 18 but it only requires the qtbase to run.

UPDATE 1: Did not work. I already have installed the libqt5core5a but keeps asking for the qtbase-abi-5-9-5:

libqt5core5a is already the newest version (5.12.4+dfsg-4ubuntu1.1) 
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  • You best ask the providers of that software for an updated version - or you install 18.04 in a virtual machine.
    – guntbert
    Feb 16, 2020 at 22:56

3 Answers 3

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qtbase-abi-5-9-5 is a virtual package used only in Ubuntu 18.04, it references the libqt5core5a package (see here) which is available in all currently supported releases, including 19.10:

sudo apt install libqt5core5a

Note that I was not able to find that with the search function on packages.ubuntu.com itself, but used a startpage search instead.

If the program tests for a package called qtbase-abi-5-9-5 instead of the qt5 library from the above package I’d just fake the package with equivs, see this answer and the steps here.

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I had the same problem with the same app, so do the following.

  1. Download the .deb package
  2. Install dependencies sudo apt install libcurl3-nss libnsspem libxerces-c3.2 libxml-security-c20 binutils
  3. Uncompress the deb file using binutils: ar -x $YOUR_PACKAGE_NAME$.deb
  4. Uncompress the control file: tar xf control.tar.xz
  5. Edit the control file and remove unwanted dependencies or in this case sed -i 's|, qtbase-abi-5-12-4||g' control
  6. Recompress the content file : tar cfJ control.tar.xz control md5sums postinst postrm
  7. Remove the uncompressed files rm control md5sums postinst postrm
  8. Rebuild the .deb file : ar rcs $NEW_PACKAGE_NAME$.deb debian-binary control.tar.xz data.tar.xz
  9. Install it with: sudo dpkg -i $NEW_PACKAGE_NAME$.deb
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New download versions were recently published for 18.04, 19.10 and 20.04:

https://www.autenticacao.gov.pt/cc-aplicacao

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