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Date: Thu, 26 Sep 2002 15:51:26 -0700 (PDT)
From: "Randy.Dunlap" <rddunlap@osdl.org>
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To: Shaya Potter <spotter@cs.columbia.edu>
cc: <linux-kernel@vger.kernel.org>
Subject: Re: using memset in a module
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On 26 Sep 2002, Shaya Potter wrote:

| I have a problem using memset in a module.
|
| I've tried including <linux/string.h> or <asm/string.h> but whenever I
| compile with gcc 2.95, the resulting object has memset being an
| undefined symbol.  When I compile with gcc-3.2 it works right as is
| inline in the code and there's no symbol.
|
| has anyone seen this b4?  Is this a gcc bug? a kernel header bug? a bug
| in my coding (i.e. does one have to do anything else besides include
| <linux or asm/string.h> or have special gcc cmd line options that are
| different from whats normally needed for a module).
|
| if it matters, I'm using the debian gcc's
|
| spotter@zaphod:~/cvs/zap/virtualization$ gcc -v
| Reading specs from /usr/lib/gcc-lib/i386-linux/2.95.4/specs
| gcc version 2.95.4 20011002 (Debian prerelease)
|
| and (cutting the cruft)
| gcc version 3.2.1 20020924 (Debian prerelease)

What gcc options are you using?
You need -O2 at least.
          ^ upper-case letter O

-- 
~Randy

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