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Re: [Nmh-workers] Portability issues in nmh 1.5-RC2

From: Tom Lane
Subject: Re: [Nmh-workers] Portability issues in nmh 1.5-RC2
Date: Mon, 07 May 2012 23:10:28 -0400

Ralph Corderoy <address@hidden> writes:
> Hi David,
>> Tom wrote:
>>> Another problem I ran into is that the regression test scripts use
>>> some shell features that the bare-bones /bin/sh on this machine
>>> doesn't recognize.

>> I would be interested to know what shell incompatibilities you ran
>> into so we could fix them.  I tested with heirloom-sh but that
>> apparently wasn't good enough.

> You could try dash(1) but perhaps it's HP's sh not being POSIX enough as
> opposed to nmh using non-POSIX features.

Hmm, I dunno.  The symptom I saw was that about half of the regression
tests reported "FAIL: test-name" without any other output whatsoever.
After I switched the shell to use /bin/ksh (Korn shell) they worked.
If anyone's got an idea how to debug such failures, I'm game to look
into it ... but I'm not really sure it's worth your time.  An easy way
to override the shell selection seems like a good idea in any case,
and I'm perfectly happy if that's all you do.

                        regards, tom lane

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