[Qt-interest] binaries in Ubuntu versions

[Jeroen Wijnhout]

On Mon, Dec 1, 2008 at 12:32 PM,  <Oliver.Knoll at comit.ch> wrote:
> Deepak Chandran wrote on Monday, December 01, 2008 4:27 AM:
>
>> I have a Qt application (cross-platform obviously) that I want people
>> to be able to install without too much trouble. Different versions of
>> Ubuntu are not binary compatible with each other,
>
> I do use (K)Ubuntu myself privately, but I don't know much about "binary compatibility" (when it comes to the C++ libraries etc.), but so much for sure:
>
> Qt *is* binary compatible, so when you link your app against an old Qt library, say 4.2.x, it should still run with a newer Qt 4.4.3 for example.
>

That is generally true, however it is better to build a static version
of your application. A completely static application should work on
any Linux platform with compatible kernel (for example the 2.6
series).

best,
Jeroen