http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45693
Rainer Orth <ro at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2010.09.27 18:12:02 date| | CC| |iains at gcc dot gnu.org Ever Confirmed|0 |1 --- Comment #1 from Rainer Orth <ro at gcc dot gnu.org> 2010-09-27 18:12:02 UTC --- A reghunt revealed that this patch 2010-06-09 Iain Sandoe <ia...@gcc.gnu.org> PR bootstrap/43170 * tls.m4 (GCC_CHECK_TLS): Add volatile qualifier to the test references. Move the main () test reference ahead of pthread_create(). Add a comment to explain the requirements of the test. is the culprit. After it, libstdc++-v3/configure incorrectly concludes that alpha-dec-osf5.1 has TLS support. I've yet to determine how the change could have this effect.