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Re: weak attribute



I think it's ok, but does it generate the same assembly with gcc?

-- thorpej@iPhone

On Aug 16, 2008, at 5:33 PM, Gregory McGarry <greg%bitlynx.com@localhost> wrote:

This change fixed shared libaries built with PCC. It's not exactly the same, but is it correct?


Index: lib/libc/net/nsdispatch.c
===================================================================
RCS file: /cvsroot/src/lib/libc/net/nsdispatch.c,v
retrieving revision 1.32
diff -u -r1.32 nsdispatch.c
--- lib/libc/net/nsdispatch.c   28 Apr 2008 20:23:00 -0000      1.32
+++ lib/libc/net/nsdispatch.c   16 Aug 2008 23:55:34 -0000
@@ -173,7 +173,7 @@
 * Runtime determination of whether we are dynamically linked or not.
 */
#ifdef __ELF__
-extern int                     _DYNAMIC __attribute__((__weak__));
+extern int                     _DYNAMIC __weak_reference(_DYNAMIC);
#define        is_dynamic()            (&_DYNAMIC != NULL)
#else
#define is_dynamic() (0) /* don't bother - switch to ELF!
*/


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