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Today's Topics:
1. [mingw] #39246: Please update MSYS awk; current awk-3.1.7
implementation is too old to remain viable (MinGW Notification List)
----------------------------------------------------------------------
Message: 1
Date: Wed, 31 Mar 2021 22:32:45 +0200
From: MinGW Notification List <[email protected]>
To: OSDN Ticket System <[email protected]>
Subject: [MinGW-Notify] [mingw] #39246: Please update MSYS awk;
current awk-3.1.7 implementation is too old to remain viable
Message-ID: <[email protected]>
Content-Type: text/plain; charset=UTF-8
#39246: Please update MSYS awk; current awk-3.1.7 implementation is too old to
remain viable
Open Date: 2019-05-17 00:44
Last Update: 2021-03-31 22:32
URL for this Ticket:
https://osdn.net//projects/mingw/ticket/39246
RSS feed for this Ticket:
https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39246
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Last Changes/Comment on this Ticket:
2021-03-31 22:32 Updated by: sizious
Comment:
I agree with this ticket, awk-3.1.7-1 is very outdated and there is some source
codes that can't compile anymore when these are managed by Autotools.
Indeed, Michael M. Builov ported gawk 5.1.0 to MinGW. Unfortunately, using a
non-MSYS build of GNU Awk will cause issues when used in a MSYS Shell. The root
cause is that the msysCORE layer (i.e. "msys-1.0.dll") which translates MSYS
paths (e.g. "/home/whatever/myfile.txt") to Windows paths (e.g.
"C:\MinGW\msys\1.0\home\whatever\myfile.txt"). When you pass some awk
expressions to a non-MSYS build of GNU Awk, the expression itself will be
"converted" to a Windows path, which doesn't make any sense, and the result is
totally unusable.
That's why I compiled a MSYS version of GNU Awk, using the MSYS toolchain.
You may find it here: https://github.com/sizious/msys-gawk
Plus, another interesting project I made is msysCORE Extended:
https://github.com/sizious/msys-core-extended
In that msysCORE version, It's now possible to disable the POSIX path
conversion by setting the MSYS_NO_PATHCONV environment variable. This behaviour
was extracted from Git for Windows.
---------------------------------------------------------------------
Ticket Status:
Reporter: keith
Owner: cstrauss
Type: Feature Request
Status: Open [Owner assigned]
Priority: 5 - Medium
MileStone: (None)
Component: MSYS
Severity: 5 - Medium
Resolution: None
---------------------------------------------------------------------
Ticket details:
While developing this Mercurial Queues emulation for Git, which will be
required to support git integration for this proposed MinGW package builder
tool, I've run into a problem with the MSYS implementation of awk. On my LMDE
system, I have awk-4.0.1, and I've written an emulator for "git qselect
--series", (which I've yet to publish to the git-mq chamber). This used gawk's
"asorti()" function, with a custom sort-comparator function, to present the
output in lexically sorted order; it works fine in awk-4.0.1, but fails on
MSYS, which offers only awk-3.1.7; (the "asorti()" function appears to be
supported, but the custom comparator function reference parameter is rejected).
I've since reworked my "git qselect --series" emulation, using my own "qsort()"
function implementation, instead of gawk's "asorti()" function. This makes the
entire emulation significantly more portable, but it may still make sense to
upgrade the MSYS implementation of awk, such that it will support more modern
gawk features.
--
Ticket information of MinGW - Minimalist GNU for Windows project
MinGW - Minimalist GNU for Windows Project is hosted on OSDN
Project URL: https://osdn.net/projects/mingw/
OSDN: https://osdn.net
URL for this Ticket:
https://osdn.net/projects/mingw/ticket/39246
RSS feed for this Ticket:
https://osdn.net/ticket/ticket_rss.php?group_id=3917&tid=39246
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