Ronald F. Guilmette wrote:
> Apologies in advance to all. I am probably just making some
> bonehead mistake or small typo, but...
>
> Can someone please instruct me as to the proper way to link to
> libbind9 on Ubuntu 14.02 LTS?
>
> I am porting some code of mine from FreeBSD to this Ubuntu system
> and I'm getting the following unresolved symbols at link time:
>
> __res_query
> __res_mkquery
> __res_send
>
> It seems apparent that this is caused by the fact that FreeBSD has
> the resolver routines integrated into libc, whereas Linux systems
> don't.
For glibc versions that are less than about ten years old, these should
be available in libresolv, which is part of glibc. The relevant change
in the glibc changelog is:
2008-08-01 Ulrich Drepper <drep...@redhat.com>
[...]
* resolv/Versions: Export functions from <arpa/nameser.h> from
libresolv in version GLIBC_2.9.
[...]
See the resolver(3) manpage, which is probably in the manpages-dev
package on Ubuntu 14.
This is unrelated to libbind9, which is a different API.
--
Robert Edmonds
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