On 13 October 2015 at 05:54, Andreas Pakulat <ap...@gmx.de> wrote:
> Hi,
>
> On Mon, Oct 12, 2015 at 7:08 PM, Jason Kretzer <ja...@gocodigo.com> wrote:
>>
>> We are currently building on a 14.04 installation. However, when I take
>> the DEB that is created to another pc with a stock installation of 14.04,
>> the DEB will not install since it relies on packages that are not available
>> through the repos.
>
>
> Are you building against Qt5.5 on that Ubuntu system? If so, where is that
> Qt 5.5 installation, how did it get there? If you can answer those questions
> you know where your users will find their Qt 5.5 to use your application.
>
>>
>> I am asking this question second hand, on behalf of a colleague, so I may
>> not be completely correct in the above. The bottom line is that we are
>> stuck using a lower Qt version than we would like and do not know what we do
>> not know to make using Qt 5.5 happen.
>
>
> You may find more answers to the question wether some repository exists for
> Qt5.5 Ubuntu packages for Ubuntu 14.04 in an ubuntu forum/list as those
> providing such packages are more likely to lurk around there.
>
> Other options besides finding some repository would be linking your app
> statically against Qt, shipping the Qt libraries in a special subdir and
> using a shell script to setup the linker load path to include that directory
> or you create and provide such debs yourself.
For the "shipping the Qt libraries" option: Instead of using a custom
script to launch the application, you could just set the RPATH when
you compile. Just add something like this to your .pro file [1]:
QMAKE_LFLAGS += -Wl,-rpath,"'\$$ORIGIN'"
Regards,
Sze-Howe
[1] http://www.tripleboot.org/?p=138
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