[PATCH] [GraphWriter] Don't wait on xdg-open when not on Apple

[Matthias Braun]

The patch itself LGTM.

As we are on the topic: I think the current approach of having llvm spawn the viewer and wait/not wait for it should be changed: I'd really prefer llvm just writing a bunch of .dot files to the current directory (or /tmp) giving them some sensible names+numbers and maybe print those names.

This would avoid llvm having to find and launch the correct viewer. In my experience I also often have cases where n graphs are generated but I am only interested in one of them which forces me to close n-1 graph viewers.


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http://reviews.llvm.org/D10873

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