Merging r220117:

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r220117 | rsmith | 2014-10-17 17:56:31 -0700 (Fri, 17 Oct 2014) | 6 lines

Hardcode the list of ELF targets here rather than using a glob.

The code was making non-portable assumptions about the exact string returned by
the glob (possibly by the shell?); this is more robust and matches what is done
everywhere else.

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llvm-svn: 224364