#! /bin/echo This_file_must_be_sourced,_not_executed
#
# config/bootstrap.local --- maintainer's bootstrap script
#
# Author:            Bruce Korb <bkorb@gnu.org>
# Time-stamp:        "2012-08-11 08:38:04 bkorb"
##
##  This file is part of AutoGen.
##  AutoGen Copyright (c) 1992-2012 by Bruce Korb - all rights reserved
##
##  AutoGen is free software: you can redistribute it and/or modify it
##  under the terms of the GNU General Public License as published by the
##  Free Software Foundation, either version 3 of the License, or
##  (at your option) any later version.
##
##  AutoGen is distributed in the hope that it will be useful, but
##  WITHOUT ANY WARRANTY; without even the implied warranty of
##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
##  See the GNU General Public License for more details.
##
##  You should have received a copy of the GNU General Public License along
##  with this program.  If not, see <http://www.gnu.org/licenses/>.

locate_exe()
{
    if [ -x "$1" ]
    then
        echo "$1"
        return 0
    fi

    case "${1}" in
    */* )
        echo "Cannot find ${1}" >&2
        return 1
        ;;
    "" )
        echo "USAGE:  locate_exe <exe-name>" >&2
        exit 1
        ;;
    * )
        name="${1}"
        ;;
    esac

    SV="${IFS}"
    IFS=" :"
    set -- ${PATH}
    for f
    do
        if [ -x ${f}/${name} ]
        then
            echo ${f}/${name}
            return 0
        fi
    done
    return 1
}

config_configurables()
{
    local tops=$(ls -d [a-rt-z]* snprintfv/Makefile.am Makefile.am)
    local inf=$(find ${tops} -type f -name '*.in')
    local in_list

    {
        for f in $inf
        do
            case "$f" in
            *-tpl.in )  g=${f%-tpl.in}.tpl ;;
            *-tlib.in ) g=${f%-tlib.in}.tlib ;;
            *.in )      in_list=${in_list}${f%.in}$'\n' ; continue ;;
            esac
            printf 'AC_CONFIG_FILES([%s:%s])\n' $g $f
        done
        {
            echo "$in_list"
            find ${tops} -name 'Makefile.am' | sed 's/\.am$//'
        } | columns --first='AC_CONFIG_FILES([' --end='])' -I4
    } > configure.files

    sedcmd="
	s/^AC_INIT(.*/AC_INIT([${PACKAGE}],[${AG_VERSION}],[${EADDR}])/
	/dnl Local Variables:/,\$d
	/==ADD_CONFIG_FILES==/{
	    s/.*//
	    r configure.files
	}"

    sed "$sedcmd" ${config_file} > configure.tmp
    mv  -f configure.tmp ${config_file}
    rm  -f configure.files
}

config_versions()
{
    set -a
    eval "$(egrep '^[A-Z][A-Z0-9_]+=' VERSION)"
    set +a
    unset LANG || LANG=''

    grep '==ADD_CONFIG_FILES==' ${config_file} >/dev/null 2>&1
    test $? -eq 0 && config_configurables

    for f in $(egrep -l 'eaddr +=' */*opts.def)
    do sed "/eaddr  *=/s/= .*/= '${EADDR}';/" $f > X ; mv -f X $f
    done

    if grep '__CURRENT_VERSION__' NEWS > /dev/null
    then
      sed "1s/__CURRENT_VERSION__.*/${AG_VERSION} - $(date '+%B %Y')/" NEWS > X
      mv -f X NEWS
    fi

    cd ${srcdir}/config
    ${AGexe} -L. libopts.def || exit 1
    ${AGexe} -L. misc.def    || exit 1
    cd ..
    cp snprintfv/snprintfv.m4 config/.

    marker='=== Component Todo:'
    rm -f TODO
    {
        sed "/${marker}/,\$d" TODO-top
        for f in */TODO
        do
            test -s $f || continue
            echo ; echo ${marker} ${f} '==='
            cat ${f}
        done
    } > TODO

    cd ${srcdir}

    glopts='--local-dir=tmp --source-base=autoopts --lib=do_not_make_me
	--import
	--makefile-name=gnulib.mk
	--libtool
	--no-changelog
	--symlink
	--m4-base=config
        --lgpl=2'
    glmods='parse-duration gendocs gettext-h'

    GNULIBTOOL=${GNULIBDIR:-~gnu/proj/gnulib}/gnulib-tool
    ${GNULIBTOOL} $glopts $glmods
    sed -i 's/do_not_make_me_.*_SOURCES/EXTRA_DIST/;/do_not_make_me/d' \
        autoopts/gnulib.mk
}

check_tools()
{
    local t e
    for t in AG GD CL
    do
        eval e=\${${t}exe}
        test -x "$e" || die "Not executable: \$${t}exe == '$e'"
        $e --version || die "$e does not work"
    done
}

tweak_Makefile_am()
{
    #  IF the source dir is not known,
    #  THEN it is the directory above the directory of this file.
    #
    test -z "${srcdir}" && \
        srcdir=$(\cd $(dirname $0) ; \cd .. ; pwd)
    cd ${srcdir}

    {
        sed '/^EXTRA_DIST /{
            s/.*/misc_extra     = \\/
            q
        }' Makefile.am
        find VERSION NOTES config/bootstrap* config/*.m4 \
               autoopts/parse-duration.[ch] doc/gendocs* \
            -type f | \
            columns --spread=1 -I4 --line=' \'

        sed -n '/^EXTRA_DIST /,$p' Makefile.am
    } > XXX$$
    mv -f XXX$$ Makefile.am

    cd pkg
    {
        sed '/^LIBOPTS_FILES  *=/{
            s/=.*/= \\/
            q
        }' Makefile.am

        find libopts -type f -name '[a-zA-Z]*' | \
            columns --spread=1 -I4 --line=' \'
        echo

        sed '1,/LIBOPTS_FILES *=/d' Makefile.am
    } > XXX$$
    mv -f XXX$$ Makefile.am
    cd ${srcdir}
}

case "${BOOTSTRAP}" in
( pre )
    dummy_texi=${srcdir}/doc/autogen.texi
    echo '@setfilename autogen.info' > ${dummy_texi}
    test -f ${srcdir}/configure && rm -f ${srcdir}/configure
    check_tools >/dev/null
    config_versions
    tweak_Makefile_am
    ;;

( post )
    test ${#dummy_texi} -gt 0 && rm -f ${dummy_texi}
    ;;
esac

# Local Variables:
# mode: shell-script
# sh-indentation: 2
# indent-tabs-mode: nil
# End:

# config/bootstrap.local ends here