Re: [Roboticsprimer-users] iCreate/gumstix

[Robotics P. u. h. l. <rob...@li...>]

I see a few problem right here...

On Oct 10, 2007, at 6:11 PM, Robotics Primer users help list wrote:

> I can't get player on the gumstix to do anything other that this
>
> # ./player create.cfg
> ./player: ./player: 1: Syntax error: "(" unexpected
> #
>
> I am beginning to suspect that that is a loader error
> the file is defiantly a  binary file but what format or what  
> process or I don't know
> but it doesn't seem to run on gumstix
>
> some oddities that might help to explain this are
> 1) the last instruction on cross compiling says to run
> arm-linux-strip
> there is no such program on my machine
> however the config says to use strip and that runs and reduces  
> player from
> 660K to 230K. The same error occurs with either the striped  or non- 
> striped version
> 2)The cross compile instructions say tools are in gumstix-buildroot/ 
> build_arm_nofpu/staging_dir/bin
> there is no such directory

There must be one - otherwise you do not have a working arm-linux- 
gcc. Go back your gumstix-buildroot, and go from there.

Don't forget to setup the path.

> 3)the configure seemed to find what it needed. In fact it said to  
> use strip instead of  arm-linux-strip
> this was the actual configure command
> ./configure --build=x86-linux --host=arm-linux --disable-shared -- 
> disable-alldrivers --enable-roomba --enable-urglaser
> but I have tried it with every command listed in the cross compile  
> document
> and either make created a file like the one I sent last time or one  
> that looks like it might be in a loader format (says ELF early on  
> in the file)
>
> Questions
> 1)Does any one know why player doesn't run on gumstix?

I suspect the reason that it is not running is because you never  
actually cross-compiled it. If ./configure cannot find the gumstix- 
buildroot, it builds a regular binary for your desktop. Go back to  
the very beginning of your ./configure output - did it say that it  
found a cross compiler? Is it actually using it?

> 2)Is that error one that player produces? or one that linux  
> produces as it tries to load player?

Send me your .cfg file - I suspect that the syntax is incorrect.

> 3) I would expect some sort of behavior like this  if the code was  
> compiled for a different processor. Are you sure we can use the  
> defaults?  How do I find  out which version of the arm processor I  
> am making for?

Go back to the gumsix-buildroot page. There are very clear  
instructions on which version to get.

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