qt app not running properly from rcS

I am a nebee in Linux/Qt/Arm domaim

I have recently cross compiled qt 4.7.0 for Tiny 6410. I ported the
compiled libraries of qt as well as ts lib onto my tiny 6410. I had
commented out the lines to trigger qtopia in /etc/init.d/rcS

I had made changes to profile file as well and my app (compiled on my host
with the cross qmake, runs perfectly alright on my tiny 6410 when I run it
from its directory. i.e. :
#cd /mnt/demos/customapp
#./customapp -qws

However, when I add a line (my executable path) to the rcS file
(/etc/init.d/) as:
/mnt/demos/customapp/customapp -qws &
my app runs, i.e. I can see my application MainWindow on the tiny 6410 lcd
but no touch works the application is frozen.

I am guessing this is happening because the OS is not able to initialize my
custom ts lib , mouse proto etc (set in profile file) before it triggers my
application.

please help me out here.

When you run your app from the command line, the shell already has included
some environment variables the tslib depends on (for example to know the
device node it must open). When you run the same app from the init process,
these variables are not set yet.

Hi Juergen,

Thanks for your post. Can you elaborate a little more here. What more needs
to be done in the rcS file before I trigger my qt application so that the
shell includes these environment variables (specific to my qt and tslib
compilation).

I solved the issue by adding the following line in the /etc/rcS
source /etc/profile

before

/mnt/demos/customapp/customapp -qws &

This loads all the environment variables.

Now the qt application loads properly with touch working.