Conflict between libqt4-dev and libqt4-opengl-dev

The same problem happens on i386 architecture, making impossible to develop using qt4 with openGL support:

 $ sudo apt-get install libqt4-opengl-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  libqt4-opengl-dev
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B/57.1kB of archives.
After this operation, 311kB of additional disk space will be used.
(Reading database ... 235153 files and directories currently installed.)
Unpacking libqt4-opengl-dev (from .../libqt4-opengl-dev_4.4.0-1ubuntu1~hardy1_i386.deb) ...
dpkg: error processing /var/cache/apt/archives/libqt4-opengl-dev_4.4.0-1ubuntu1~hardy1_i386.deb (--unpack):
 trying to overwrite `/usr/lib/pkgconfig/QtOpenGL.pc', which is also in package libqt4-dev

I had the same error

I have the same error too...
I'm on hardy 32 bits

Same error, x86_64

My solution was to force dpkg to overwrite it, but I don't know 100% if there is actually any difference between those files. I will look into that...

The files are 100% the same. Both have an MD5 of 2260f4c6f8867919d3f337684448aa8e on the amd64 arch. Forcing the install will not harm anything, but this package weirdness needs a fix...

This package is essential for developers whose use OpenGl, like me ;)
Forcing install helps of course:

sudo dpkg --force-all -i /var/cache/apt/archives/libqt4-opengl-dev_4.4.0-1ubuntu1~hardy1_i386.deb

Rather than --force-all, what works and is safer is --force-overwrite.

Latest update fixed this on amd64 arch, can anyone confirm on i386?

confirmed for i386

Issue has been corrected in an update, as it is a packaging bug no patches etc. are required. Closing bug...

This hasn't been fixed. Run 'sudo apt-get remove libqt4-dev libqt4-opengl-dev' followed by 'sudo apt-get install libqt4-dev libqt4-opengl-dev':
Unpacking libqt4-dev (from .../libqt4-dev_4.4.0-1ubuntu3~hardy1_amd64.deb) ...
Unpacking libqt4-opengl-dev (from .../libqt4-opengl-dev_4.4.0-1ubuntu3~hardy1_amd64.deb) ...
dpkg: error processing /var/cache/apt/archives/libqt4-opengl-dev_4.4.0-1ubuntu3~hardy1_amd64.deb (--unpack):
 trying to overwrite `/usr/lib/pkgconfig/QtOpenGL.pc', which is also in package libqt4-dev
Errors were encountered while processing:
 /var/cache/apt/archives/libqt4-opengl-dev_4.4.0-1ubuntu3~hardy1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

It appears that if you've done a --force-overwrite, the conflicting file will be "disowned" from libqt4-dev, and later installs of libqt4-opengl-dev will go fine until you reinstall libqt4-dev.

I can confirm this - problem's still there.

Bug is still there when re-installed both packages

Quite irritating... After todays upgrade bug still exist...

If I knew how to fix it I would - but it's an automated build so I'd
rather not put a wrench in the works. But your right... this is a bit
long to fix such a bug.

Sorry to be rude. Sometimes I'm just impatient...

So is anything happening here? My lab has a set of development computers relying on this package, and they are all stopped. Why is there no importance assigned to the bug?

Same error here

E: /var/cache/apt/archives/libqt4-dev_4.4.0-1ubuntu4~hardy1_amd64.deb: trying to overwrite `/usr/lib/pkgconfig/QtOpenGL.pc', which is also in package libqt4-opengl-dev

This needs to getr fixed. Its an easy fix for the maintainer - not
something we can patch. this should have a high severity.

Any news on when this will get fixed? Is there a way around this or a fix out there instead of waiting for an updated package? This ones frustrating..

Work-around:
sudo dpkg --force-overwrite -i /var/cache/apt/archives/libqt4-opengl-dev_4.4.0-1ubuntu4~hardy1_i386.deb

This is a really annoying bug. Please do fix it.

Thanks for that, seems to be working for the time being.

qt4-x11 (4.4.0-1ubuntu5~hardy1) hardy-backports; urgency=low

  * Automated backport upload; no source changes.

 -- Ubuntu Archive Auto-Backport <email address hidden> Mon, 19 May 2008 14:16:12 +0100

qt4-x11 (4.4.0-1ubuntu5) intrepid; urgency=low

  * Remove pkgconfig directory from libqt4-dev.install, it installed
    files that were in other packages

 -- Jonathan Riddell <email address hidden> Mon, 19 May 2008 12:52:59 +0100

I am having the same issue with this package.
Is there a fix yet?

I used --force to force to install both packages. There is a file that
will be overwritten, but the content of the file is the same in both
packages.

On Mon, Oct 13, 2008 at 4:09 AM, Zeth <email address hidden> wrote:
> I am having the same issue with this package.
> Is there a fix yet?
>
> --
> Conflict between libqt4-dev and libqt4-opengl-dev
> https://bugs.launchpad.net/bugs/228148
> You received this bug notification because you are a direct subscriber
> of the bug.
>
>

After doing this, note that you may lose this file if you remove one of
the packages. Reinstalling the one you wish to keep would then restore
the file.

On Mon, 13 Oct 2008 4:35 am, jespa wrote:
> I used --force to force to install both packages. There is a file that
> will be overwritten, but the content of the file is the same in both
> packages.
>
>
> On Mon, Oct 13, 2008 at 4:09 AM, Zeth <email address hidden> wrote:
>> I am having the same issue with this package.
>> Is there a fix yet?
>>
>> --
>> Conflict between libqt4-dev and libqt4-opengl-dev
>> https://bugs.launchpad.net/bugs/228148
>> You received this bug notification because you are a direct subscriber
>> of the bug.
>>
>>
>
> --
> Conflict between libqt4-dev and libqt4-opengl-dev
> https://bugs.launchpad.net/bugs/228148
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in “qt4-x11” source package in Ubuntu: Fix Released
>
> Bug description:
> Now that the 4.4.0 backport is available in Hardy, I get the following
> error when trying to install libqt4-opengl-dev:
>
> E:
> /var/cache/apt/archives/libqt4-opengl-dev_4.4.0-1ubuntu1~hardy1_amd64.deb:
> trying to overwrite `/usr/lib/pkgconfig/QtOpenGL.pc', which is also in
> package libqt4-dev