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Re: setting $VERSION at runtime

From: Bruce Korb
Subject: Re: setting $VERSION at runtime
Date: Tue, 24 Jan 2006 09:21:15 -0800
User-agent: Mozilla Thunderbird 1.0.7 (X11/20050923)

Hi Brian/Ralf,

Ralf Wildenhues wrote:

If you're ultimately out to set the AC_INIT version argument, you may
want to read this thread (completely!) esp.
and then decide for yourself whether that's what you need.

OTOH, some may consider that too convoluted and esoteric for mere humans.
Simply write a bootstrap script that computes version information and
spreads it around wherever you want it.  You want to try to keep tool
usage as reasonably simple as possible, and all that normalizing, tracing,
sedding, grepping, awking, et al. does not exactly qualify as "simplifying
the process", even if the the actual number of source text characters
happens to be fewer.  Using bootstrap scripts and the script itself should
both be very straight forward.  e.g.:

#! /bin/sh

  autoconf --version | \
    sed -e 's/autoconf.*) *//' -e '1q'`

  gettext --version | \
    sed -e 's/^gettext .*) *//' -e '1q'`

exec 3> version.m4
cat >&3 <<-  _EOVers_
        m4_define([sharutils_version], [${sharutils_version}])
        m4_define([sharutils_eaddr],   address@hidden)
        m4_define([gettext_version],   [${gettext_version}])

case "$sharutils_version" in
*.*pre* ) echo [DIST_ALPHA=README-alpha] ;;
*)      echo [DIST_ALPHA=] ;;
esac >&3
exec 3>&-

cat > doc/version.texi <<- _EOVersion_
        @c Do not edit thie file
        @c This is generated by the bootstrap script

        @set UPDATED `date +'%d %B %Y'`
        @set UPDATED-MONTH `date +'%B %Y'`
        @set EDITION ${sharutils_version}
        @set VERSION ${sharutils_version}

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