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svn:author
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brooks
K 8
svn:date
V 27
2016-10-05T18:53:42.630936Z
K 7
svn:log
V 526
Update to a new snapshot.

Look for ld.gold in LOCALBASE to fix builds on DragonFly. [0]

Merge a number of improvements from PR 212334 [1]:
- Use VAR option helper for _USES_PYTHON variable
- Use new GH_SUBDIR option helper, instead of post-extract-* targets
- Add libxml2 to USE_GNOME for CLANG option
- Replace blank space(s) with tab for some cases
- Add dependency on CLANG for COMPILER_RT option

Make -fopenmp work [2].

PR:		212334[1], 203223[2]
Submitted by:	lightside@gmx.com[1], marino[0]
Sponsored by:	DARPA, AFRL

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