From:	jlrubin AT bway DOT net (Josh Rubin)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Possible cause for "gcc just hangs"
Date:	Wed, 03 Jun 1998 23:43:47 GMT
Organization:	ISPNews http://ispnews.com
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Message-ID:	<3575df39.52013@news1.bway.net>
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NNTP-Posting-Date:	3 Jun 1998 23:43:52 GMT
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Recently there have been reports of djgpp programs
that "just hang". I found a way to duplicate this
behavior by undefining the DJGPP environment variable.

Try this out with DOS and CWSDPMI (not a Windows dos box).
I have a full 2.81 distribution.

> ver

4DOS 5.0   DOS 6.20

> set djgpp=
> gcc -v
     Nothing appears to happen, but paging will start
     in about 10 seconds. Watch your disk light.
> ^C
     You will get a SIGABRT message.
> cd \
> undelete cwsdpmi.swp

The swap file C:\CWSDPMI.SWP contains many repetitions of
the string "$DJDIR/lib/gcc-lib/". Something is getting into
a loop and filling up memory.

Josh Rubin
jlrubin AT bway DOT net

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