[Qt-embedded-interest] Configuration's failed!! QT embedded 4.5.2

Youngwhan Kim James cs010101 at gmail.com
Fri Oct 30 03:15:59 CET 2009


Thank you for your help!

now I'm compiling that.

AND please look at the attatched image file.
that is a wide screen(16:9) of "./demo/affine" program on HD TV.

As seeing, the image is out of shape and overlapping.

I'd fit color depths and size with -display options.
but the image quality has not been better.

why is that? and so, I'm compiling now because I think may use  
directfb drivers.
but, the penguine shown on monitor when using the frame buffer is  
correct!!
Also, I'd test using a utility - "framebuffer" - provided by nokia, QT  
and RGB rectangle was correct.

Why is that? How can I do to fix this problem? Help me.. please...-.-;;

I really want to use QT framework.


Thank you so much!!!

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2009. 10. 30, ?? 1:43, Donald Carr ??:

> Good morning,
>
> On Thu, Oct 29, 2009 at 07:44:08AM +0100, ext Youngwhan Kim James  
> wrote:
>> I'm about to complile QT-embedded-4.5.2 with plugin-gfx-directfb.
>> I'd edit a directfb.pro file: all deleted comments about DEFINE  
>> fields.
>> but, if I do "./configure -embedded armv6 -plugin-gfx-directfb,
>> occurred following message:
>>
>> "The DirectFB screen driver functionality test failed!
>> You might need to modify the include and library search paths by  
>> editing
>> QT_CFLAGS_DIRECTFB and QT_LIBS_DIRECTFB in
>> /home/yhk/qt-embedded-linux-opensource-src-4.5.2/mkspecs/qws/linux-
>> armv6-g++."
>
>> How can I configure?
>
> You are configuring correctly, you have to edit the qmake.conf in:
>
> /home/yhk/qt-embedded-linux-opensource-src-4.5.2/mkspecs/qws/linux- 
> armv6-g++
>
> and correctly define QT_CFLAGS_DIRECTFB and QT_LIBS_DIRECTFB. Qt  
> needs to
> know where to look for the directfb libraries for your target, and  
> what
> flags to pass your compiler (include paths, defines, etc) when  
> building the
> driver. Both of these variables are expected to be in a similar  
> format to
> that returned by pkgconfig, so for example:
>
> [dcarr at hobbit:/]$ pkg-config --libs directfb
> (10-29 16:41)
> -ldirectfb -lfusion -ldirect -lpthread
> [dcarr at hobbit:/]$ pkg-config --cflags directfb
> (10-29 16:41)
> -D_REENTRANT -I/usr/include/directfb
>
> Your vars would be:
>
> QT_CFLAGS_DIRECTFB = -D_REENTRANT -I/usr/include/directfb
> QT_LIBS_DIRECTFB = -ldirectfb -lfusion -ldirect -lpthread
>
> if compiling for your host systems directfb on Ubuntu.
>
> I hope that this helps.
>
> Yours sincerely,
> Donald



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