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Date:	Sun, 27 Oct 2013 14:51:08 -0400
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: GNU Make 4.0.1 ??? infinite loop on startup
Message-ID:	<20131027185108.GA1315@ednor.casa.cgf.cx>
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On Sun, Oct 27, 2013 at 10:08:00AM +0400, Yuriy Chernyshov wrote:
>Greetings.
>
>On October, 9 GNU Make 4.0 was released and is already available on cygwin
>(I'm using x86_64 on Win7).
>
>My makefile is working fine with the latest version from 3.0 branch
>(3.82.xx), but comes into infinite loop on startup (no rules are being
>executed) with 4.0.1. 100% of a single cpu core is concumed, memory
>usage grows quite fast.
>
>Makefile can be found on github page:
>https://github.com/georgthegreat/dancebooks-bibtex/blob/dev/makefile
>
>I looked through the 4.0-changelog, but there is nothing to cause such
>behavior.
>
>I've found the problematic line:
>
>MARKDOWN_FILES := $(wildcard transcriptions/*.md)
>
>ls is working fine with the given wildcard.
>Other wildcards (two previous lines are also working fine).
>
>What can the problem lay in?

I downloaded the source code for the above and ran into the problem
pretty quickly.  make was allocating an ever-increasing amount of memory
due to a problem with the processing of eight bit characters with the
high-bit set.  That caused the character to be interpreted as negative
and that caused negative indexing off an array.

The upcoming make-4.0-2 release should fix this problem.

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