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Bug#927940: marked as done ([Windows Subsystem for Linux] Applications cannot find libQt5Core.so.5)

Your message dated Fri, 26 Apr 2019 11:21:30 +0300
with message-id <20190426082130.GA17563@mitya57.me>
and subject line Re: Bug#927940: [Windows Subsystem for Linux] Applications cannot find libQt5Core.so.5
has caused the Debian Bug report #927940,
regarding [Windows Subsystem for Linux] Applications cannot find libQt5Core.so.5
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
927940: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=927940
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: libqt5core5a
Version: 5.11.3+dfsg1-1
Severity: important

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Dear Maintainer,

Applications rely on libQt5Core.so.5, e.g. paraview or qml, does not
start with following error:

$ paraview
/usr/lib/paraview/paraview: error while loading shared libraries: libQt5Core.so.5: cannot open shared object file: No such file or directory

$ ldd /usr/lib/paraview/paraview shows the followin output:
...snip...
libQt5Widgets.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 (0x00007f24e44e0000)
libQt5Gui.so.5 => /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 (0x00007f24e3f50000)
libQt5Core.so.5 => not found
...snip...

I believe the installed library and the symlinks are correct:

$ ls -lAFi /usr/lib/x86_64-linux-gnu/libQt5C*
10273300 lrwxrwxrwx 1 root root      20  3月 15 16:20 /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 -> libQt5Core.so.5.11.3
10274154 lrwxrwxrwx 1 root root      20  3月 15 16:20 /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.11 -> libQt5Core.so.5.11.3
10273295 -rw-r--r-- 1 root root 5200168  3月 15 16:20 /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.11.3 

Best regards,
- -- 
Ryo IGARASHI, Ph.D.
rigarash@gmail.com

- -- System Information:
Debian Release: 10.0
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-4-amd64 (SMP w/3 CPU cores)
Locale: LANG=ja_JP.UTF-8, LC_CTYPE=ja_JP.UTF-8 (charmap=UTF-8), LANGUAGE=ja_JP.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libqt5core5a depends on:
ii  libc6                  2.28-8
ii  libdouble-conversion1  3.1.0-3
ii  libgcc1                1:8.3.0-6
ii  libglib2.0-0           2.58.3-1
ii  libicu63               63.1-6
ii  libpcre2-16-0          10.32-5
ii  libstdc++6             8.3.0-6
ii  zlib1g                 1:1.2.11.dfsg-1

Versions of packages libqt5core5a recommends:
ii  qttranslations5-l10n  5.11.3-2

Versions of packages libqt5core5a suggests:
ii  libthai0  0.1.28-2

- -- no debconf information

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--- End Message ---
--- Begin Message --- 
Hi all,

On Fri, Apr 26, 2019 at 03:05:22AM +0000, Scott Kitterman wrote:
> This isn't a Qt5 bug at all.  If you try and link Qt5 in a Sid chroot
> on an old enough Debian version, the same thing happens because of
> missing kernel functions.  It's a host kernel issue.
>
> Since the kernel in this instance isn't Debian's I don't think it's a
> Debian bug either.
>
> I'm not one of the Qt maintainers, so I'm not going to change the
> status of the bug, but I think the correct thing to do is to close it.
> No Debian issue here.

I agree. Our build of Qt requires kernel 3.17 or newer. According to the
upstream bug [1], WSL currently identifies as Linux 3.14.11 which is older.

Once they implement the remaining needed syscalls and bump the version
they are identifying with, this bug will be fixed. In the meantime, one
can strip the .note.ABI-tag section manually.

[1]: https://github.com/Microsoft/WSL/issues/3023#issuecomment-452339739

--
Dmitry Shachnev

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