LD Changes To Implicit DSO Linking Update
ajax at redhat.com
Tue Feb 9 14:38:05 UTC 2010
On Tue, 2010-02-09 at 13:56 +0000, Richard W.M. Jones wrote:
> On Tue, Feb 09, 2010 at 06:55:11AM -0500, Neal Becker wrote:
> > Will there we a switch to give me the old behavior? I might want this for
> > my own legacy code.
> I have not tried it, but apparently --as-needed (or from gcc use
> This option affects ELF DT_NEEDED tags for dynamic libraries
> mentioned on the command line after the --as-needed option.
> Normally the linker will add a DT_NEEDED tag for each dynamic
> library mentioned on the command line, regardless of whether the
> library is actually needed or not. --as-needed causes a DT_NEEDED
> tag to only be emitted for a library that satisfies an undefined
> symbol reference from a regular object file or, if the library is
> not found in the DT_NEEDED lists of other libraries linked up to
> that point, an undefined symbol reference from another dynamic
> library. --no-as-needed restores the default behaviour.
No, you mean --add-needed.
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