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I'm trying to compile a simple C program for my Colibri T20 running Angstrom Linux. The output of uname -a is here:
Linux colibri-t20 3.1.10 #1 SMP PREEMPT Fri Mar 20 02:38:59 CET 2015 armv7l GNU/Linux
From that output, my guess is that my -march setting should be armv7l, but looking at this documentation, there is no armv7l.
When I try to compile my program with armv7 setting the compiler outputs this error:
error: target CPU does not support ARM mode
However, everything works fine when I try to compile it with armv5. I am using arm-linux-gnueabi-gcc on Ubuntu server. So which options should I use, or should I find a different compiler?