HI everyone,
 
Sorry if this question doesn't belong here...
 
I tried to compile several open-source UDF's (downloaded from 
http://mysql-udf.sourceforge.net/) and got a warning. Could someone please elaborate 
on this:
 
/usr/include/asm/atomic.h:40:2: warning: #warning Using kernel header in userland 
program. BAD!

This is from gcc 3.2.2 on Red Hat 9, kernel version 2.4.20

How bad is it really? What are the implications? 

When I compile the same code with gcc 2.95.2, kernel 2.4.0 on another machine, I do 
not get this warning.

Thanks in advance,
 
Sergei

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