helpAutoconf - Support: sr #110300, configure >/dev/full does not...


sr #110300: configure >/dev/full does not fail promptly

Submitted by:  Zack Weinberg <zackw>
Submitted on:  Fri 28 Aug 2020 02:54:33 PM UTC  
Category:  None Priority:  1 - Later
Severity:  3 - Normal Status:  Confirmed
Privacy:  Public Assigned to:  None
Open/Closed:  Open Operating System:  None

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Fri 28 Aug 2020 02:56:23 PM UTC, comment #1: 

This is a long-standing issue.  Also, the cleanest way to detect these errors would be to turn on `set -e` mode, which would probably expose all kinds of other latent issues that we'd then have to fix.  So this is a post-2.70 project.

Zack Weinberg <zackw>
Project Administrator
Fri 28 Aug 2020 02:54:33 PM UTC, original submission:  

If you run a configure script with stdout pointed to a data sink that fails all writes (e.g. `./configure > /dev/full` or `./configure 1< /dev/null`) you get a flood of "printf: write error" messages, but the script runs all the way to completion, and then it may or may not exit successfully depending on exactly what you did.

The script should instead exit unsuccessfully after the first write error.

Zack Weinberg <zackw>
Project Administrator


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