[openbeosnetteam] Re: Fix for resolving host names
- From: "Philippe Houdoin" <philippe.houdoin@xxxxxxx>
- To: openbeosnetteam@xxxxxxxxxxxxx
- Date: Tue, 03 Feb 2004 16:51:21 GMT
Axel asked:
> First of all, thanks for finding out about it. But then, why do we
> not
> want [1]? Why is -nostdlib used for a library that should be used in
> BeOS R5?
Because in default libs there'ss R5 libnet.so.
And linking a replacment libnet.so against R5 one don't sounds a good
idea, does it!?
More specificly, under vanilla R5, Be's libnet.so export a _res data
symbol with a different size than ours (mostly because since ISC
modified the _res_state struct concent), and gcc linker in this case,
by default, choose the biggest, which is Be's.
But in fact it don't, and make our _res symbol imported from Be's
libnet.so.
So, we make our libnet.so (and only this library) build with -nostdlib
to explicitly tell the linker to link against only libroot.so.
But, I overlooked at gcc link options, and choose the incorrect flag,
removing startfiles at same time.
> > Anyway, so I got curious about these magic files. So I went
> > looking.
>
> Just look at our repository under src/kernel/glue and find all of
> them
> there :)
> As you can easily see, init_term_dyn.o must be part of the object to
> have the initialize_before/after() mechanism working.
Which changing the -nostdlib flag to -nodefaultlibs in libnet.so
Jamfile fix, as starfiles are linked again now.
- Philippe
--
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