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unresolved symbols
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unresolved symbols

  • Subject: unresolved symbols
  • From: "Doug John" <email@hidden>
  • Date: Sat, 12 Jul 2008 17:00:52 -0700
Hi,

I'm getting a bunch of unresolved symbols when I try to load my kext:

kextload: notice: extension build/Debug/mykext.kext has debug properties set
kextload: extension build/Debug/mykext.kext appears to be loadable
kld(): Undefined symbols:
__Z11iflt_attachP7__ifnetPK10iff_filterPP14__ifnet_filter
__Z11iflt_detachP14__ifnet_filter
__Z13mbuf_tag_findP6__mbufjtPmPPv
__Z16mbuf_tag_id_findPKcPj
__Z17mbuf_tag_allocateP6__mbufjtmjPPv
__Z8mbuf_lenP6__mbuf
__Z9mbuf_dataP6__mbuf
__Z9mbuf_nextP6__mbuf

Translated as:

iflt_attach(__ifnet*, iff_filter const*, __ifnet_filter**)
iflt_detach(__ifnet_filter*)
mbuf_tag_find(__mbuf*, unsigned int, unsigned short, unsigned long*, void**)
mbuf_tag_id_find(char const*, unsigned int*)
mbuf_tag_allocate(__mbuf*, unsigned int, unsigned short, unsigned long, unsigned int, void**)
mbuf_len(__mbuf*)
mbuf_data(__mbuf*)
mbuf_next(__mbuf*)

My OSBundleLibraries are as follows:

<key>OSBundleLibraries</key>
<dict>
<key>com.apple.kpi.bsd</key>
<string>8.0</string>
<key>com.apple.kpi.iokit</key>
<string>8.0</string>
<key>com.apple.kpi.libkern</key>
<string>8.0</string>
<key>com.apple.kpi.mach</key>
<string>8.0</string>
</dict>

Which I thought would be correct given the instructions here:
http://developer.apple.com/documentation/Darwin/Conceptual/NKEConceptual/about/chapter_2_section_1.html

I'm building against the 10.4 SDK on 10.5.4.
Any idea what is going on?

Thanks,
Doug
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