I got dpkg 1.9.16 (latest) running on FreeBSD 4.3. I've attached a patch for it. It might help with NetBSD, too. I used Wartan's patches, and added a few things, to handle changes in dpkg. The biggest thing is a change that I had to make to configure.in. (That's why the large set of changes to configure.) It seems that the test for __va_copy only checks to see if it can compile, not if it can link. This works on Linux, but on FreeBSD it fails to detect that there isn't any __va_copy.
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