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Old 04-26-2009, 11:36 PM   #1
_oligarch
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Registered: Apr 2009
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Compiling project with threads for ARM


Hi everybody. I'm performing development for AT91SAM9260 microcontroller (ARM926EJ-S core) under RedHat4 virtual machine.
I made a project wich contain one thread. And when I try to compile it with:

arm-none-linux-gnueabi-gcc -l pthread -mcpu=arm926ej-s test.c -o test

compiling is failing with a follow error:

/usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.2.0/../../../../arm-none-linux-gnueabi/bin/ld: cannot find /lib/libpthread.so.0 inside /usr/local/bin/../arm-none-linux-gnueabi/libc

After that I found a "libpthread.so.0" and pointed a path to this link:

arm-none-linux-gnueabi-gcc -L /usr/local/arm-none-linux-gnueabi/libc/armv4t/lib -l pthread -mcpu=arm926ej-s test.c -o test

And the same error occured again. After that I added "/usr/local/arm-none-linux-gnueabi/libc/armv4t/lib" to the 'PATH' environment variable. And it didn't help to solve this problem.
What else can I do to compile my project?
 
Old 04-27-2009, 04:00 PM   #2
Mara
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Please check if the pthread version you have found matches your architecture. Compare readelf result on the library and on one of your running programs. It looks there's something's different. The first check will be to find which libc it links to. Pthread should be in the same directory.

Note that it *seems* to see the library in your 'standard' version (i386), there's full path shown. You may try adding the path to LD_LIBRARY_PATH: PATH doesn't help for libraries:
export LD_LIBRARY_PATH=:/usr/local/arm-none-linux-gnueabi/libc/armv4t/lib:$LD_LIBRARY_PATH
 
  


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