Re: [ptxdist] configure failed with sed version 4.2.2

[Kristof Verdonck <kristof.verdonck@gmail.com>]

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You're absolutely right.
The double '[' got me.


2014-07-31 10:34 GMT+02:00 Marc Kleine-Budde <mkl@pengutronix.de>:

> On 07/29/2014 04:39 PM, Kristof Verdonck wrote:
> > I'm using an ancient ptxdist, but that doesn't matter because I'm
> > isolating the SED-version check.
> >
> > If I run the regex
> > from
> http://git.pengutronix.de/?p=ptxdist.git;a=blob;f=configure.ac;h=22c8df03a8c225514a3df7ba4c9fb29c515c3e24;hb=HEAD
> > sed --version 2>/dev/null | sed -ne "1
> s/.*GNU.*\s\([[0-9\+\.]]\+\).*/\1/p"
> > then it returns empty, both with sed 4.2.1 and 4.2.2.
>
> Are you using the unmodified regex from the configure.ac in the shell?
>
> Try this instead:
>
>     sed --version 2>/dev/null | \
>         sed -ne "1 s/.*GNU.*\s\([0-9\+\.]\+\).*/\1/p"
>
> Note: '[' vs. '[[', as you have to quote '[' in configure.ac, as it's
> processed by m4.
>
> Marc
>
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