[Scons-users] Trouble building a qt based project.

[Matias Iturburu]

2013/10/7 Matias Iturburu <matias.iturburu at tallertechnologies.com>


>

>

>

> 2013/10/7 Dirk Bächle <tshortik at gmx.de>

>

>>  On 07.10.2013 19:58, Matias Iturburu wrote:

>>

>> Hi Dirk.

>> Thanks for your quick response. My comments inline

>> [...]

>> Prints:

>>

>> /usr/include/qt4 /usr/include/qt4/QtCore /usr/include/qt4/QtGui

>>

>>

>> Okay, so "pkg-config" basically works and the EnableQt4Modules() call

>> too. I'm shooting in the dark here, but is it possible that your build

>> framework overwrites the $CPPPATH as initialized by the Qt Tool?

>>

>

> Yeah, it's quite possible.

>

>

>>  Please, add the env.subst() line from the test, right into your original

>> SConstruct after the call to EnableQt4Modules() and check that the paths

>> are setup correctly.

>>

>> I've cloned your fudepan-build repo and probably still don't quite get

>> how it works...but in

>> "core_components.py::ObjectComponent::_createObjectBuilder()" for example,

>> I see that the CPPPATH gets assigned to self.GetIncludePaths(), which

>> itself comes from the CreateObject() call right?

>>

>> I can't find a place where you actually merge the CPPPATH flags from the

>> initialization phase (Qt4) with your settings for the Objects/programs you

>> want to create...

>>

>

> Didn't have the need to look at it until now, although we use the tool

> quite often in fudepan, we don't have much qt-based projects.

> Naively *Append*ing the include_paths to the CPPPATH give a lot of

> garbage. Will see what I can come up with.

>


This is now solved.

These are the remaining issues:

- RCC still can't solve the image paths
/usr/bin/rcc -root
/home/matias/Proyectos/fudepan-build/build/PrecisionFarm/farming-guidance-system-src/uiDirector
-name images
build/PrecisionFarm/farming-guidance-system-src/uiDirector/images.qrc -o
build/PrecisionFarm/farming-guidance-system-src/uiDirector/qrc_images.cc
RCC: Error in
'build/PrecisionFarm/farming-guidance-system-src/uiDirector/images.qrc':
*Cannot
find file 'res/images/red_arrow.png'*
scons: ***
[build/PrecisionFarm/farming-guidance-system-src/uiDirector/qrc_images.cc]
Error 1
scons: building terminated because of errors.

- Using absolute paths to workaround that behavior. I can attempt to MOC
some objects as indicated in the first response. This is how it looks like:

env.ExplicitMoc4(
    'uiDirector/src/qtDisplayCoordinator.cpp',
    'uiDirector/uiDirector/qtDisplayCoordinator.h'
)
env.ExplicitMoc4(
    'uiDirector/src/deviationAreaWidget.cpp',
    'uiDirector/uiDirector/deviationAreaWidget.h'
)

Now, this still fails to link with an awful wall of text. you can check it
at  http://pastebin.com/9nzDLQtb. This looks like an error after some
mangling, here is a snippet:
(.data.rel.ro._ZTIN12NSUIDirector20QTDisplayCoordinatorE[typeinfo for
NSUIDirector::QTDisplayCoordinator]+0x18): undefined reference to `typeinfo
for QWidget'


Any pointers?



> Thank you very much for taking the time to look at our code!

>

>

>

>>

>> Dirk

>>

>>

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>>

>>

>

>

> --

> <http://www.tallertechnologies.com>

> Matías Iturburu

> Software Engineer

>

> *San Lorenzo 47, 3rd Floor, Office 5

> Córdoba, Argentina

>

> *

> *Phone: +54 351 4217888 / +54 351 4218211

> Skype: matias.iturburu*

>




-- 
<http://www.tallertechnologies.com>
Matías Iturburu
Software Engineer

*San Lorenzo 47, 3rd Floor, Office 5
Córdoba, Argentina

*
*Phone: +54 351 4217888 / +54 351 4218211
Skype: matias.iturburu*
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