bootstrap

#!/bin/sh
# -*- sh -*-

#
# bootstrap
#
# Copyright (C) 2008, 2009 Francesco Salvestrini
#                          Alessandro Massignan
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#

ME=bootstrap

#
# Internal functions
#
missing ()
{
    PROGRAM=$1
    if test x"$PROGRAM" = x""; then
        return 1
    fi

    IFS=":"

    for i in $PATH
    do
        test -f $i/$PROGRAM && { echo $i/$PROGRAM; return 0 ; }
    done

    return 1
}

dummy_call ()
{
    case $1 in
        --version) echo "internal"      ;;
        *)         echo "dummy-call $@" ;;
    esac

    return 0
}

optional ()
{
    PROGRAM=$1
    if test "x${PROGRAM}" = "x"; then
        return 1
    fi

    IFS=":"

    for i in $PATH
    do
        test -f $i/$PROGRAM && { echo $i/$PROGRAM; return 0 ; }
    done

    echo "dummy_call $PROGRAM"

    return 0
}

required ()
{
    PROGRAM=$1
    if test "x${PROGRAM}" = "x"; then
        return 1
    fi

    X=`missing ${PROGRAM}` && { echo $X; return 0 ; }

    return 1
}

log ()
{
    echo "$ME: $1"
}

#
# Start
#
DOT_BOOTSTRAP="`pwd`/.bootstrap"
if test ! -r $DOT_BOOTSTRAP; then
    log "Missing file \`${DOT_BOOTSTRAP}'"
    exit 1
fi
source $DOT_BOOTSTRAP

#
# External tools
#
GNULIBTOOL="`optional gnulib-tool`"
log "GNULIBTOOL = $GNULIBTOOL"

AUTORECONF="`required autoreconf`" || {
    log "Missing tool: autoreconf"
    exit 1
}
log "AUTORECONF = $AUTORECONF"

#
# Dump some useful informations
#
log "Dumping build-tools information ..."
for tool in                                     \
    "$AUTORECONF"                               \
    "$GNULIBTOOL"                               \
                                                \
    "$GUILE_TOOLS"                              \
    "$PYTHON_AUTOFRISK"                         \
    "$PERL_AUTOFRISK"                           \
    ;                                           \
do
    if test -n "$tool" ; then
        VERSION=`$tool --version | head -1`
        log " $tool -> $VERSION"
    fi
done

#
# Autofrisk modules
#
if test -e ./python.af ; then
    log "Python autofrisk ..."
    $PYTHON_AUTOFRISK ./python.af && \
        cat ./python.af.m4 > ./tools/autotools/m4/python-autofrisk-data.m4 && \
        rm -f ./python.af.m4 || {
        log "Problems during python-autofrisk run'"
        rm -f ./python.af.m4
        rm -f ./tools/autotools/m4/python-autofrisk-data.m4
        exit 1
    }
fi
if test -e ./perl.af ; then
    log "Perl autofrisk ..."
    $PERL_AUTOFRISK ./perl.af && \
        cat ./perl.af.m4 > ./tools/autotools/m4/perl-autofrisk-data.m4 && \
        rm -f ./perl.af.m4 || {
        log "Problems during perl-autofrisk run'"
        rm -f ./perl.af.m4
        rm -f ./tools/autotools/m4/perl-autofrisk-data.m4
        exit 1
    }
fi
if test -e ./guile.af ; then
    log "Guile autofrisk ..."
    $GUILE_TOOLS autofrisk ./guile.af && \
        cat ./guile.af.m4 | sed -e 's/AUTOFRISK_/GUILE_AUTOFRISK_/g' > ./tools/autotools/m4/guile-autofrisk-data.m4 && \
        rm -f ./guile.af.m4 || {
        log "Problems during guile-autofrisk run'"
        rm -f ./guile.af.m4
        rm -f ./tools/autotools/m4/guile-autofrisk-data.m4
        exit 1
    }
fi

#
# Gather AC_CONFIG_AUX_DIR directly from configure.ac
#
AC_CONFIG_AUX_DIR=`cat configure.ac|grep AC_CONFIG_AUX_DIR|sed -e 's,^.*\[,,' | sed -e 's,\].*,,'`
if test -z "$AC_CONFIG_AUX_DIR" ; then
    log "Cannot retrieve AC_CONFIG_AUX_DIR value from configure.ac"
    exit 1
fi

#
# Remove files left from the previous run
#
log "Removing autotools related files and directories ..."
rm -f  `find ./ -name "Makefile.in"`                 || exit 1
rm -f  config.cache aclocal.m4 config.h.in configure || exit 1
rm -f  config.guess config.sub                       || exit 1
rm -f  libtool $AC_CONFIG_AUX_DIR/ltmain.sh          || exit 1
rm -rf autom4te.cache                                || exit 1
rm -rf `find ./ -name ".deps"`                       || exit 1
rm -f  `find ./ -name "gnulib-cache.m4"`             || exit 1

#
# Call gnulib
#
GNULIBTOOL_AUXDIR=./tools/maint
GNULIBTOOL_FLAGS="
        --no-changelog
        --macro-prefix GNULIB
        --no-vc-files
        --aux-dir=$GNULIBTOOL_AUXDIR
        --m4-base=./tools/autotools/m4
        --source-base=./src/gnulib
        --makefile-name=Makefile.gnulib
"

if test -n "$GNULIB_MODULES" ; then
    log "Calling gnulib-tool (importing modules $GNULIB_MODULES)"
    $GNULIBTOOL $GNULIBTOOL_FLAGS --import $GNULIB_MODULES || {
        log "Problems running gnulib-tool'"
        exit 1
    }
fi

log "Copying files from gnulib"
for i in $GNULIB_BUILDAUX
do
    $GNULIBTOOL $GNULIBTOOL_FLAGS --copy-file build-aux/$i $GNULIBTOOL_AUXDIR/$i || {
        log "Cannot copy gnulib $i file into $GNULIBTOOL_AUXDIR directory"
        exit 1
    }
done
$GNULIBTOOL $GNULIBTOOL_FLAGS --copy-file doc/INSTALL   INSTALL && \
    $GNULIBTOOL $GNULIBTOOL_FLAGS --copy-file doc/COPYINGv2 COPYING || {
    log "Cannot copy doc files from gnulib"
    exit 1
}

#
# bootstrap other packages
#
for i in $BOOTSTRAPS
do
    j=`dirname $i`
    k=`basename $i`
    (cd $j && if test -x $k ; then ./$k ; else sh ./$k ; fi) || {
        log "Cannot call $k inside $j directory"
        exit 1
    }
done

#
# autoreconf
#
log "Running autoreconf (autoreconf extra flags \`$AUTORECONF_FLAGS')..."
$AUTORECONF \
    --force \
    --install \
    --warnings=all \
    $AUTORECONF_FLAGS || {
    log "Problems during auto-reconfiguration'"
    exit 1
}

exit 0