Merge from trunk.
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r63776 | chris_kohlhoff | 2010-07-09 23:43:05 +1000 (Fri, 09 Jul 2010) | 2 lines
Fence class for hppa.
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r63836 | chris_kohlhoff | 2010-07-11 14:12:51 +1000 (Sun, 11 Jul 2010) | 2 lines
Note that hppa fence is just a placeholder at this time.
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r63837 | chris_kohlhoff | 2010-07-11 14:15:19 +1000 (Sun, 11 Jul 2010) | 2 lines
Add macro for disabling fenced blocks.
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r63838 | chris_kohlhoff | 2010-07-11 14:16:10 +1000 (Sun, 11 Jul 2010) | 2 lines
Preserve error value.
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[SVN r63899]
Christopher Kohlhoff