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Re: Simpler example of pathological behavior of directory caching

From: Kyle Rose
Subject: Re: Simpler example of pathological behavior of directory caching
Date: Thu, 6 Oct 2016 14:32:10 -0700

On Thu, Oct 6, 2016 at 12:01 PM, Martin Dorey <address@hidden> wrote:

I can reproduce it too:


address@hidden:~/playpen/kyle-rose$ rm -f target*; ~/download/make-git/make

touch target1

touch target2

touch target3

touch target4

touch target5

touch target6

touch target7

touch target8

touch target9

touch target10


address@hidden:~/playpen/kyle-rose$ make --version

GNU Make 4.2.1

Built for x86_64-pc-linux-gnu

Copyright (C) 1988-2016 Free Software Foundation, Inc.

License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

This is free software: you are free to change and redistribute it.

There is NO WARRANTY, to the extent permitted by law.



That was built from git a few seconds ago.

Glad to know it's not just me.

(Perhaps there was some history that explains the tone but, although the Subject looks like it was a follow-up, the mail doesn't seem to be a reply to anything I remember or that I've been able to find.)

This thread is my first post here: it was a follow-up to some messages on related topics in the archives. E.g.:


I found this bug in the process of tracking down behavior I couldn't explain with a much more complicated makefile setup. I desired a small reproducer to demonstrate the behavior publicly, which turned out to be entirely straightforward.

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