pirama marked an inline comment as done.
pirama added inline comments.

================
Comment at: lib/Driver/Tools.cpp:2007-2009
+  // In the cross-compilation case, arch-specific library path is likely
+  // unavailable at runtime.
+  if (TC.isCrossCompiling()) return;
----------------
rnk wrote:
> This seems like a really poor heuristic for "will the user ship this binary 
> to another computer that doesn't have clang installed in the same location", 
> but the convenience of not having to add clang's unpredictably named resource 
> library directory to LD_LIBRARY_PATH seems worth baking in a possibly-wrong 
> rpath.
This is indeed poor, but a good check that omits rpath when it is definitely 
useless but leave it in case it might be useful.


https://reviews.llvm.org/D30015



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