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Jeremy Huddleston Sequoia authored
AX_TLS detects when toolchains support __thread or __declspec(thread), but existing code assumed __thread. This also adds a check to configure.ac to error out if TLS is requested but unsupported. Found-by: Tinderbox http://tinderbox.x.org/builds/2011-03-22-0007 Regression-from: 82b1eaa6 Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com> Reviewed-by: Tom Fogal <tfogal@alumni.unh.edu> Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>
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