[Bug bootstrap/37660] [4.4 Regression] Error Building libssp, recent update

Fri Jan 16 07:14:00 GMT 2009

------- Comment #5 from dannysmith at users dot sourceforge dot net  2009-01-16 07:14 -------
(In reply to comment #4)
>   I've just run into this problem too.
>   In earlier versions of Aaron's shared libgcc patch, we extracted ctors.o and
> chkstk.o and placed them whole into the import lib.  I'm not sure why he didn't
> do this in the committed version, but it has the effect that you have to link
> against the static libgcc as well as the shared one in order to let it fill out
> any missing references.  I'm not sure I'm entirely comfortable with that,
> although I can't think of any obvious problem, but it seems wrong to link
> against such a duplicated body of code to me, and I think I'd prefer the import
> lib solution for cygwin's compiler. 

If you look at the (static) libgcc.a,  when shared libs are enabled, it
contains only symbols that are not exported from the shared dll. Only the
'API-stable' symbols are exported.  That is a good thing.  So the libgcc.a code
 does not duplicate any code in libgcc_s.[a|dll].

-- 

dannysmith at users dot sourceforge dot net changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-01-16 07:14:38
               date|                            |

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37660