On Wed, Aug 25, 2010 at 7:27 PM, Wes Hardaker <
harda...@users.sourceforge.net> wrote:
> >>>>> On Wed, 25 Aug 2010 17:14:20 +0200, Bart Van Assche <
> bvanass...@acm.org> said:
>
> BVA> In my opinion /dev/kmem should be detected at runtime, not from the
> BVA> configure script: trying to detect /dev/kmem from the configure
> BVA> script does not only break cross-compilation but also gives
> BVA> undesired results when Net-SNMP is built on a system that has
> BVA> /dev/kmem and is run on a system that does not have /dev/kmem, or
> BVA> vice versa.
>
> Well, I agree in principal... However:
>
> 1) I think that'd require modifying a lot of code and ifdefs and thus
> something like that should be push beyond 5.6
> 2) Adds to code-bloat in a running agent since both methods always have
> to be compiled in.
>
Code bloat ? All that is needed to test whether or not /dev/kmem exists is
something like the code below, which can e.g. be put in a function in such a
way that the stat() system call is only invoked once:
struct stat devkmem;
if (stat("/dev/kmem", &devkmem) >= 0)
...
See also http://www.opengroup.org/onlinepubs/009695399/functions/stat.html.
Bart.
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