[maemo-developers] QtCreator, libraries, and multiple platforms

[From: Daniil Ivanov]

If one wants to publish something on Ovi Store, then you have to place
everything in single package.
This could be rationale of having everything in single package.

--Daniil

On Mon, Aug 8, 2011 at 10:55 AM, Christian Kandeler
<christian.kandeler at nokia.com> wrote:
> On Fri, 2011-08-05 at 16:39 -0400, ext David Talmage wrote:
>> N900/app
>> N900/app-uberproject
>> N900/lib
>>
>> The contain, respectively, the app, the subdirs project, and the library.
>>
>> I'm building for Maemo, Harmattan, Simulator, and Remote Compiler. In short,
>> everything but Desktop.
>>
>> When I build for Simulator, I get directories
>>
>> N900/app-build-simulator
>> N900/app-uberproject-build-simulator
>> N900/lib-build-simulator
>
> But this is not a SUBDIRS project, is it? If it were, your directory
> structure would look like this:
>    <my-project-build-simulator/app
>    <my-project-build-simulator/lib
>    <my-project-build-maemo/app
>    <my-project-build-maemo/lib
>     ...
> Then you could just add "LIBS += -L$$OUT_PWD/../lib -llib" to your
> application's pro file and the correct library would be found for every
> platform.
>
>> The next challenge is to teach app.pro how to find the library for the build
>> platform, simulator in the example above.  It looks like some hackery-pokery
>> with replace() will do the job.  I was hoping that QMake would Do The Right
>> Thing for me.
>
> Also, if, like you said, there is not a 1:1 mapping between the library
> and the application, I'd put them into separate projects. Then when you
> change your library, you just deploy it to your sysroot (for
> Maemo/Harmattan, don't know about the other platforms) and the linker
> will find it there when linking the application.
>
>
> Christian
>
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