svn commit: r211561 - head/cddl/lib/drti

[Kostik Belousov]

On Sat, Aug 21, 2010 at 03:16:49PM +0100, Rui Paulo wrote:
> 
> On 21 Aug 2010, at 14:59, Kostik Belousov wrote:
> 
> > On Sat, Aug 21, 2010 at 01:48:05PM +0000, Rui Paulo wrote:
> >> Author: rpaulo
> >> Date: Sat Aug 21 13:48:04 2010
> >> New Revision: 211561
> >> URL: http://svn.freebsd.org/changeset/base/211561
> >> 
> >> Log:
> >>  Link drti.o with a PIC version of libelf. This is needed because
> >>  drti.o depends on libelf and this avoids linking every other drti.o
> >>  program (namely programs with USDT probes) with libelf.
> > What is wrong with having libelf as dependency of the resulting
> > binary ?
> 
> The resulting binary can be a library. If I add drti.o to the libthr
> library, every other program will break because it can't find libelf
> symbols. The only way to fix it would be to rebuild every program that
> depends on libthr and I don't want that to happen.

I do not understand this. If drti.o is added to a library, library should
also record a dependency on libelf, i.e. be linked with it. Since you
already modifying link command to add drti.o, what is the problem to
add -lelf ?
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