versions of OpenSolaris (I tested snv_134) also support PF_PACKET, but
not in an entirely compatible way. The configure check was making the
build use eth-linux.c, which doesn't compile under OpenSolaris. This
change makes OpenSolaris fall back to eth-dlpi.c, which works. The
report about this was sent by Darren Reed.
to <socket.h>, when doing the test for socklen_t. Apparently OpenBSD has
it in <sys/types.h> and it causes a build failure later if we detect
that the type is not present.
ltmain.sh, and missing from subdirectories. Autoconf automatically looks
in the parent directory for these files. I had to copy the files
depcomp, ltmain.sh, and missing into the root of the source tree.
