[llvm] r210148 - GraphWriter: try gv before xdg-open

[Alp Toker]

Author: alp
Date: Tue Jun  3 23:11:12 2014
New Revision: 210148

URL: http://llvm.org/viewvc/llvm-project?rev=210148&view=rev
Log:
GraphWriter: try gv before xdg-open

Avoid changing behaviour for everyone who's used to the traditional ghostview
UI, especially since it knows how to stay in the foreground unlike xdg-open.

Amendment to r210147.

Modified:
    llvm/trunk/lib/Support/GraphWriter.cpp

Modified: llvm/trunk/lib/Support/GraphWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/GraphWriter.cpp?rev=210148&r1=210147&r2=210148&view=diff
==============================================================================
--- llvm/trunk/lib/Support/GraphWriter.cpp (original)
+++ llvm/trunk/lib/Support/GraphWriter.cpp Tue Jun  3 23:11:12 2014
@@ -170,10 +170,10 @@ bool llvm::DisplayGraph(StringRef Filena
   if (!PSViewer && S.TryFindProgram("open", ViewerPath))
     PSViewer = PSV_OSXOpen;
 #endif
-  if (!PSViewer && S.TryFindProgram("xdg-open", ViewerPath))
-    PSViewer = PSV_XDGOpen;
   if (!PSViewer && S.TryFindProgram("gv", ViewerPath))
     PSViewer = PSV_Ghostview;
+  if (!PSViewer && S.TryFindProgram("xdg-open", ViewerPath))
+    PSViewer = PSV_XDGOpen;
 
   // PostScript graph generator + PostScript viewer
   std::string GeneratorPath;