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Date:	Fri, 8 Mar 2024 03:24:00 +0100
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Subject:	Cygwin 3.5.1: unable to open output file
	'/cygdrive/t/tmpdir/x-01564d.o': 'Operation not permitted'
To:	cygwin AT cygwin DOT com
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From:	Dan Shelton via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Dan Shelton <dan DOT f DOT shelton AT gmail DOT com>
Sender:	"Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

Hello!

I've run into a problem with clang on Cygwin 3.5.1 and 3.6. My machine
does not have much disk space left, so I switched TMPDIR to the
network drive. But clang then failed, like this:

$ cat x.c
#include <stdio.h>
int main(int ac, char *av[]) { puts("hello world"); return 0 ; }
$ mkdir /cygdrive/t/tmpdir
$ TMPDIR=/cygdrive/t/tmpdir clang x.c
error: unable to open output file '/cygdrive/t/tmpdir/x-01564d.o':
      'Operation not permitted'
1 error generated.

/cygdrive/t/tmpdir/ is a clean dir.
/usr/bin/touch /cygdrive/t/tmpdir/dummy works without problems

How can I debug this further?

Dan
-- 
Dan Shelton - Cluster Specialist Win/Lin/Bsd

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