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CVS commit: src/usr.bin/make

Module Name:    src
Committed By:   sjg
Date:           Fri Jun 19 21:17:48 UTC 2020

Modified Files:
        src/usr.bin/make: job.c main.c make.h

Log Message:
Avoid unnecessary noise when sub-make or sibling dies

When analyzing a build log, the first 'stopped' output
from make, is the end of interesting output.

Normally when a build fails deep down in a parallel build
the log ends with many blockes of error output from make,
with all but the fist being unhelpful.

We add a function dieQuietly() which will return true
if we should supress the error output from make.
If the failing node was a sub-make, we want to die quietly.

Also when we read an abort token we call dieQuietly telling we
want to die quietly.

This behavior is suppressed by -dj or
setting .MAKE.DIE_QUIETLY=no

Reviewed by: christos

To generate a diff of this commit:
cvs rdiff -u -r1.197 -r1.198 src/usr.bin/make/job.c
cvs rdiff -u -r1.274 -r1.275 src/usr.bin/make/main.c
cvs rdiff -u -r1.107 -r1.108 src/usr.bin/make/make.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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