On Wed, Aug 25, 2010 at 5:07 PM, Robert Story <rst...@freesnmp.com> wrote:
> Detection of nlist support seems to assume /dev/kem exists, and that is not
> always the case on darwin. The darwin headers for darwin 8-10
> unconditionally
> undef KVM functions, even though /dev/kmem does still exists on PPC darwin8
> machines.
>
> This patch:
> - checks for /dev/kmem and defines HAVE_KMEM if it exists
> - updates conditions for CAN_USE_NLIST to check HAVE_KMEM
> - removes darwin hardcoded KVM undefs (all KVM refs are already protected
> by
> CAN_USE_NLIST)
>
> Without this patch:
> - darwin Intel snmpd builds fail to start unless -r specified (or
> configured
> with --without-kmem-usage)
> - PPC snmpd builds don't get the benefit of HAVE_KVM_GETPROCS and
> HAVE_KVM_OPENFILES, whatever that might be)
>
>
> Patch does not include regenerated configure or net-snmp-config.h.in;
> those
> can be autogenerated on a machine with the proper versions. [Maybe we need
> a
> make target to regenerate these that will warn if the required versions
> aren't
> installed. Left as an exercise for the reader. ;-) ]
>
Hello Robert,
In my opinion /dev/kmem should be detected at runtime, not from the
configure script: trying to detect /dev/kmem from the configure script does
not only break cross-compilation but also gives undesired results when
Net-SNMP is built on a system that has /dev/kmem and is run on a system that
does not have /dev/kmem, or vice versa.
Bart.
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