On Sunday, August 28, 2005 18:44:02 -0500 Tracy Di Marco White
<[EMAIL PROTECTED]> wrote:
On 8/26/05, Russ Allbery <[EMAIL PROTECTED]> wrote:
For any who might be interested, this is the patch I'm currently using
(against 1.4rc1) for building pthread PAM modules on Debian. Yes, I know
the build hackery is ugly; I'm avoiding linking directly with the shared
libraries due to worries about stable ABIs. I'm not proposing this for
inclusion in the mainline source, and note that these PAM modules will
leak threads if you use the nofork option with a long-running daemon.
Note that this should work on other platforms besides Linux, but you'll
need to copy the Linux changes into the case sections for your local
platform.
I've been looking at making OpenAFS work on NetBSD/amd64. I have no
problems with NetBSD/i386, with and without PAM (well, other than I
have to use arla for actual client support), but on amd64 with PAM I'm
seeing the need for the same type of hackery. What would be the
direction needed to go for making this work in the mainline source
tree?
Russ's hackery is needed because he's trying to build PAM modules against
the pthread versions of the libraries. These libraries come in both shared
and archive forms, but of course the archive libraries are not PIC, and
thus are not suitable for use in the PAM modules on all platforms (they
should work just fine on i386, but not on amd64).
However, the OpenAFS PAM modules are normally built against the LWP
versions of the libraries, not the pthread ones. I'm not entirely sure
what Russ's motivation is in wanting pthread versions of the PAM modules
(maybe there's a Debian policy, or maybe they have a threaded app that uses
PAM), but it's not currently a necessary part of an OpenAFS platform port.
So, assuming you're happy using the LWP versions of the libraries, there is
a much simpler (and, for the moment, more maintainable) solution available
to you than what Russ is doing. Simply arrange to have src/cf/osconf.m4
set CCOBJ to include the flags necessary to build PIC code on your
platform. See the amd64_linux* stanza as an example.
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