Aliases ...

[Andreas Jaeger]

Roland McGrath <roland@redhat.com> writes:

>> Here's a patch to initialize it - it removes the warning.
>
> This really happens with __thread?  The right thing when this issue comes
> up is to use __attribute__((nocommon)).


This test case does indeed warn:

 __thread int errno __attribute__ ((nocommon));
extern __thread int __libc_errno __attribute__ ((alias ("errno")));

with:
test.i:2: warning: ‘__libc_errno’ aliased to undefined symbol ‘errno’

Initialising it to 0 fixes it,

Andreas
-- 
 Andreas Jaeger, aj@suse.de, http://www.suse.de/~aj
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