Re: [ts-7000] Qt/Embedded tips needed

["Don W. Carr" <>]

Be aware that the license for Qt is not LGPL, but GPL. I think that they have a special license exception so you can also link against code licensed under other open source licenses, but you can not keep you code proprietary (or use any proprietary content) unless you pay a license fee to Trolltech. 

Really, it is best not to use Qt for anything. They are trying to collect royalties for the work of all. Basic libraries like the GUI toolkit should NOT be licensed under GPL. The LGPL is for libraries. Imagine if all of the libraries that came with GNU/Linux were GPL and you hade to pay some company or other to link proprietary code with each and every one of the libraries.

There is an interesting project that got started with the Nokia web pad that uses GTK. That device also uses an Arm processor, so it would not take much to port the window manager and all to the arm boards.

http://www.maemo.org/ 

Actually, TS should think about making a hardened version of the Nokia web pad based on the 7300 for control interfaces (fixed in a cabinet). There would be no royalties to pay on any of the software, and, you would be able to use any of the applications developed for the Nokia web pad. They could even sell the display to go with it.

The 7300 platform is really going to evolve over time.

Don.

On 9/4/06, Eduardo Mendiola <> wrote:

Hi,

I spent the weekend getting familiar with Qt3 on my Debian 3.1 host.
I also compiled Qt/Embedded for 386. Now, I want to create programs
for my TS-7200/TS-7KV target.

TS provides the compiled Qt/Embedded libraries and a few sample
programs (no include files), so I'm wondering if:

a) Do I develop on the Linux host and use the crosstools? I noticed
the generated makefiles (from using qmake -project, qmake
project.pro) use the -lXext -lX11 -lm libraries, so I would need to
reference the ones from the TS-7200 (ARM) target.

I tried tweaking the makefile from the x86 version and the linker
complained about it. If this is the way to go, I'll keep working on
it. I just want to know if anybody has been successful at this and
what's the best approach.

or,

b)Do I mount the debian filesystem through NFS and build Qt/Embedded
directly on the target?

Any suggestions? and thanks again for all your help. I really
appreciate it!

Eduardo

-- 
Dr. Don W. Carr
J. G. Montenegro 2258
Guadalajara, Mexico
+52-333-630-0704
+52-333-836-4500 ext 2930

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