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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: â__libc_errnoâ aliased to undefined symbol âerrnoâ Initialising it to 0 fixes it, Andreas -- Andreas Jaeger, aj@suse.de, http://www.suse.de/~aj SUSE Linux Products GmbH, Maxfeldstr. 5, 90409 NÃrnberg, Germany GPG fingerprint = 93A3 365E CE47 B889 DF7F FED1 389A 563C C272 A126
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