Home Original page

Make no-copy-dt-needed default?

Ian Lance Taylor iant@google.com
Tue Aug 16 15:24:00 GMT 2011 
Michael Matz <matz@suse.de> writes:

> what do people think about switching the default for 
> add_DT_NEEDED_for_dynamic to false, i.e. make --no-copy-dt-needed-entries 
> the default for GNU ld?
>
> The linux distros Fedora, Debian and Ubuntu already do that with local 
> patches, openSUSE is going to follow suit, and AFAIK gold has the same 
> behaviour (without the possibility to change it).  It potentially can 
> cause some minor hickups with current build systems, exactly in those 
> cases where people relied on other libraries being included via recursive 
> DT_NEEDED instead of listing the dependencies in the link editing command, 
> i.e. in cases that would break already right now with static archives.
>
> As Fedora and Debian are using this switched default already for some
> time I'd expect most projects with an active upstream would be fixed 
> meanwhile.  A good summary of what exactly is implied by such a change is 
> e.g. at http://fedoraproject.org/wiki/UnderstandingDSOLinkChange .
>
> I realize that just because some random linux distros are doing something 
> shouldn't necessarily imply a change in upstream binutils, but in this 
> case I think it makes sense.
>
> So, should I propose a patch?


Obviously I think it makes sense.

Ian
More information about the Binutils mailing list