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Re: Bug#806331: [Reproducible-builds] [xz-devel] Re: xz-utils: make the

From: Thorsten Glaser
Subject: Re: Bug#806331: [Reproducible-builds] [xz-devel] Re: xz-utils: make the selected POSIX shell stable accross build environments
Date: Wed, 15 Jun 2016 20:24:23 +0000 (UTC)

Ximin Luo dixit:

>I'm not sure if you understood what was being discussed.

I understand it extremely well.

>proposed patch affect your scenario? This is not about CONFIG_SHELL,

It is. Straight from your diff:

>      for gl_cv_posix_shell in \
>-        "$CONFIG_SHELL" "$SHELL" /bin/sh /bin/bash /bin/ksh /bin/sh5 no; do
>+        /bin/sh /bin/bash /bin/ksh /bin/sh5 "$CONFIG_SHELL" "$SHELL" no; do

This makes $CONFIG_SHELL no longer the preferred POSIX shell.

This breaks when a system has a /bin/sh that passes all gnulib
tests (and thus is used as POSIX_SHELL) but has other bugs that
make it unusable, for example. The user can then no longer over‐
ride this bad choice of the configury.

„Cool, /usr/share/doc/mksh/examples/uhr.gz ist ja ein Grund,
mksh auf jedem System zu installieren.“
        -- XTaran auf der OpenRheinRuhr, ganz begeistert
(EN: “[…]uhr.gz is a reason to install mksh on every system.”)

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