Question about archive search behavior vs. --defsym

[H.J. Lu]

On Wed, Sep 8, 2010 at 11:55 PM, Mark Mitchell <mark@codesourcery.com> wrote:
> On 9/8/2010 11:19 PM, Ian Lance Taylor wrote:
>
>>> $ gcc main.c -Wl,--defsym=f=4 -L. -lf
>>>
>>> pulls in f.o from libf.a even though the symbol is already defined.
>
>> It's a phase ordering problem.  Objects are pulled in from archives
>> before symbol assignments are processed.
>
>> I think this has to be considered a bug.
>
> OK.  Is this a structurally hard thing to fix?  Or just something that
> would take some effort?  And, does GOLD handle this correctly?
>

Gold behaves the same. I am not sure if it is a bug. --defsym or
assignment in linker script overwrites any symbols, which may
be defined in object, archive or DSO.


-- 
H.J.