Re: update-copyright is broken

[Bruno Haible]

Bernhard Voelker wrote:
> Hmm, and what about the other changes of perl options in commit a05d5d121b10:
> 
> * build-aux/useless-if-before-free:
>   had tainting checks enabled (-T):
> 
>   < eval 'exec perl -wST "$0" "$@"'
>   > eval 'exec perl -wSx "$0" "$@"'

The benefit of this "taint mode" was not and is not clear to me. If you
feel it is important, feel free to enable it again.

> * tests/test-update-copyright.sh:
>   had -0777 -pi:
> 
>   < eval 'exec perl -wS -0777 -pi "$0" "$@"'
>   > eval 'exec perl -wSx "$0" "$@"'
> 
> ?

This was not a conscious change. But it is harmless: this code only
tests whether perl can be invoked.

Bruno