Re: [Roboticsprimer-users] iCreate/gumstix

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

I'm can't tell you why the configure script cannot find arm-linux- 
gcc, but I will say that if putting the binaries in /local/usr/bin  
works, then something must be wrong with with PATH setup. Retrace  
your steps - after you edited .bashrc, did you restart all Terminals?  
Did you re-do ./configure? Did you see any "XXX not found" in the  
outputs?

Overall, copying the binaries over to /local/usr/bin is most  
definitely not going to work - arm-linux-gcc will be unable to find  
the libraries that it needs (unless you also copied a couple of  
hundred other directories, too).

Jiuguang

On Oct 11, 2007, at 9:09 AM, Robotics Primer users help list wrote:

> No matter what I put in PATH or other environment variables the  
> make install
> would not find the arm-linux executables even though I could access  
> them
> while not in make. Examining the Makefile did not enlighten me as  
> to why.
> So todays HORRIBLE HACK was to save the original /bin and then cp  
> everything in staging_dir/bin to /bin. Hey, I don't like it either  
> but if I don't try odd things I don't get anywhere with this.
>
> Now the make install in player runs almost to the end finally  
> terminating with
>
> g++ -o player server.o -Wl,--export-dynamic  -lm ../server/ 
> libplayerdrivers/.libs/libplayerdrivers.a ../libplayercore/.libs/ 
> libplayercore.a ../libplayercore/.libs/libplayererror.a ../ 
> libplayertcp/.libs/libplayertcp.a /home/john/player-2.0.4/ 
> libplayercore/.libs/libplayercore.a /home/john/player-2.0.4/ 
> libplayerxdr/.libs/libplayerxdr.a ../libplayerxdr/.libs/ 
> libplayerxdr.a /home/john/player-2.0.4/libplayercore/.libs/ 
> libplayererror.a ../replace/.libs/libreplace.a -lpthread -lnsl -lrt  
> -lz
> /usr/bin/ld: ../server/libplayerdrivers/.libs/libplayerdrivers.a 
> (roomba_comms.o): Relocations in generic ELF (EM: 40)
> /usr/bin/ld: ../server/libplayerdrivers/.libs/libplayerdrivers.a 
> (roomba_comms.o): Relocations in generic ELF (EM: 40)
> /usr/bin/ld: ../server/libplayerdrivers/.libs/libplayerdrivers.a 
> (roomba_comms.o): Relocations in generic ELF (EM: 40)
> /usr/bin/ld: ../server/libplayerdrivers/.libs/libplayerdrivers.a 
> (roomba_comms.o): Relocations in generic ELF (EM: 40)
> /usr/bin/ld: ../server/libplayerdrivers/.libs/libplayerdrivers.a 
> (roomba_comms.o): Relocations in generic ELF (EM: 40)
> /usr/bin/ld: ../server/libplayerdrivers/.libs/libplayerdrivers.a 
> (roomba_comms.o): Relocations in generic ELF (EM: 40)
> ../server/libplayerdrivers/.libs/libplayerdrivers.a: could not read  
> symbols: File in wrong format
> collect2: ld returned 1 exit status
>
> Does any one recognise why ld doesn't like ELF?
>
> Questions
> 1)why will make install not access the directorys that are in my  
> PATH variable
> when I execute make install?
> 2)is ld saying I compiled roomba_comms with the wrong options?
>
> Any other Ideas, or even a nicer HORRIBLE HACK would be appreciated.
> I will check out 2 this evening.
>
> John Cummins
>
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