[bug #56914] Most output missing when building with --output-sync

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[bug #56914] Most output missing when building with --output-sync

Paul D. Smith
URL:
  <https://savannah.gnu.org/bugs/?56914>

                 Summary: Most output missing when building with --output-sync
                 Project: make
            Submitted by: None
            Submitted on: Tue 17 Sep 2019 02:34:11 PM UTC
                Severity: 3 - Normal
              Item Group: Bug
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: 4.2.1
        Operating System: POSIX-Based
           Fixed Release: None
           Triage Status: None

    _______________________________________________________

Details:

I'm compiling OpenWRT in parallel. However if I add a compile error to a
package and use the output-sync option, there is a ton of output missing. With
unbuffered output, there are six times as many lines in the output as with
--output-sync, and the output is four times the size. So with --output-sync
there is a ton of output missing, including the error message, and the entire
package it's in.




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[bug #56914] Most output missing when building with --output-sync

Paul D. Smith
Follow-up Comment #1, bug #56914 (project make):

There's not nearly enough information here to do anything with this issue.

Which output-sync mode did you choose?  What operating system are you building
on?  Is this behavior consistent?

I use --output-sync=target all day every day (I have it set in my default
GNUMAKEFLAGS environment variable) on fairly large builds both at home and in
$DAYJOB and I haven't had any missing output... so without more details I'm
not sure what else I can do.

You might try emailing [hidden email] if you want to start some sort of
debugging session to figure out what's going on; it can be simpler than using
the bug tracker for these types of conversations.

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[bug #56914] Most output missing when building with --output-sync

Paul D. Smith
Update of bug #56914 (project make):

                  Status:                    None => Works for me          
             Open/Closed:                    Open => Closed                

    _______________________________________________________

Follow-up Comment #2:

I'm going to close this as cannot reproduce for now.  Please feel free to add
more details and we can re-open.

Thanks for testing!

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