On 2009年08月05日 15:39Z, coolsand wrote: > This is the message relied from the make of GCC as blow: > arch/s3c2410/s3c2410.o: In function `command_cpu': > arch/s3c2410/s3c2410.o(.text+0x87c): undefined reference to `strncmp' Please show the command line that you used for linking. Perhaps you tried linking with 'ld' instead of 'gcc'? If you use 'gcc' to link, then the C runtime library is automatically included. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple