Re: [Tinycc-devel] Do not load all referenced libraries, when linking a library

[Herman ten Brugge]

On 10/10/23 17:37, Michael Matz wrote:
> Hello,
>
> On Tue, 10 Oct 2023, Herman ten Brugge via Tinycc-devel wrote:
>
> > On 10/5/23 22:55, Detlef Riekenberg wrote:
> > >  After the comments from grischka and Michael,
> > >  i prepared a different patch to fix the build break of netbsd-curses
> > >  and also updated the patch to current mob.
> > >
> > >
> > >  `make test` works
> > >  A testapp with netbsd-curses works,
> > >  but i am away for the next 2 weeks.
> > >
> > >
> > >  Since we have a release canditate, i decided to not push my patch 
> > > to mob.
> > I think this is not correct.
> > If I read the elf documentation correctly a shared lib does not have 
> > to follow DT_NEEDED.
> > See attached patch.
>
> Only runtime loaders are required to follow DT_NEEDED.  link editors 
> aren't.  There's no distinction between emitting a shared lib or an 
> executable.  (And for OUTPUT_MEMORY, which might be said to make tcc 
> behave like a runtime loader, it's actually dlopen which does the 
> necessary DT_NEEDED following).
I understand. The original patch is ok.

    Herman