[llvm-bugs] [Bug 25696] New: Graph writer should do something other than call xdg-open on Linux

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=25696

            Bug ID: 25696
           Summary: Graph writer should do something other than call
                    xdg-open on Linux
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Support Libraries
          Assignee: unassignedbugs at nondot.org
          Reporter: peter at pcc.me.uk
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

The xdg-open command relies on an opaque desktop configuration mechanism and
does not support waiting for the command to terminate. Since the graph writer
is a debugging feature we should use a much simpler mechanism to specify the
command to launch. Either an environment variable or command line flag with a
command to launch or just write the .dot files to disk.

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