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Re: [PATCH] git-version-gen: allow empty string as --prefix

From: Eric Blake
Subject: Re: [PATCH] git-version-gen: allow empty string as --prefix
Date: Mon, 13 Feb 2017 11:26:36 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0

On 02/12/2017 02:47 AM, Sami Kerola wrote:

> Using --prefix '' works fine when runnign from command line, but I could not
> make empty string and AC_INIT to play together without the macro starting
> to throw warnings. Here is how that turns out:
> $ head -1 configure.ac
> AC_INIT([logrotate],[m4_esyscmd([build-aux/git-version-gen --prefix ''
> .tarball-version])],

Too much quoting.  This is one case where you WANT to expand the
m4_esyscmd early, as in:

        m4_esyscmd([build-aux/git-version-gen --prefix ''

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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