Hi, this patch merges r192458 into gcc-4_7 to fix separate configure/build of libstdc++.
A bit of history: a similar patch was committed to trunk & 4.7 back in Oct'12, then reverted from both, than this patch was committed to trunk only. I wonder if it was simply lost for some reason? Is it OK for backporting to 4.7?
gthr.patch
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