#! /bin/sh
#

# A script to reconfigure autotools for szip

    # If paths to autotools are not specified, use whatever the system
    # has installed as the default. We use 'which <tool>' to
    # show exactly what's being used.
    if test -z ${HDF_AUTOCONF}; then
        HDF_AUTOCONF=$(which autoconf)
    fi
    if test -z ${HDF_AUTOMAKE}; then
        HDF_AUTOMAKE=$(which automake)
    fi
    if test -z ${HDF_AUTOHEADER}; then
        HDF_AUTOHEADER=$(which autoheader)
    fi
    if test -z ${HDF_ACLOCAL}; then
        HDF_ACLOCAL=$(which aclocal)
    fi
    if test -z ${HDF_LIBTOOL}; then
        case "`uname`" in
        Darwin*)
            # libtool on OS-X is non-gnu
            HDF_LIBTOOL=$(which glibtool)
            ;;
        *)
            HDF_LIBTOOL=$(which libtool)
            ;;
        esac
    fi
    if test -z ${HDF_M4}; then
        HDF_M4=$(which m4)
    fi

# Make sure that these versions of the autotools are in the path
AUTOCONF_DIR=`dirname ${HDF_AUTOCONF}`
LIBTOOL_DIR=`dirname ${HDF_LIBTOOL}`
M4_DIR=`dirname ${HDF_M4}`
PATH=${AUTOCONF_DIR}:${LIBTOOL_DIR}:${M4_DIR}:$PATH

# Make libtoolize match the specified libtool
case "`uname`" in
Darwin*)
    # On OS X, libtoolize could be named glibtoolize or
    # libtoolize. Try the former first, then fall back
    # to the latter if it's not found.
    HDF_LIBTOOLIZE="${LIBTOOL_DIR}/glibtoolize"
    if [ ! -f $HDF_LIBTOOLIZE ] ; then
        HDF_LIBTOOLIZE="${LIBTOOL_DIR}/libtoolize"
    fi
    ;;
*)
    HDF_LIBTOOLIZE="${LIBTOOL_DIR}/libtoolize"
    ;;
esac

# Run autotools in order
#
# When available, we use the --force option to ensure all files are
# updated. This prevents the autotools from re-running to fix dependencies
# during the 'make' step, which can be a problem if environment variables
# were set on the command line during autogen invocation.

# Some versions of libtoolize will suggest that we add ACLOCAL_AMFLAGS
# = '-I m4'. This is already done in commence.am, which is included
# in Makefile.am. You can ignore this suggestion.

# LIBTOOLIZE
libtoolize_cmd="${HDF_LIBTOOLIZE} --copy --force"
echo ${libtoolize_cmd}
if [ "$verbose" = true ] ; then
    ${HDF_LIBTOOLIZE} --version
fi
${libtoolize_cmd} || exit 1
echo
echo "NOTE: You can ignore the warning about adding -I m4."
echo "      We already do this in an included file."
echo

# ACLOCAL
if test -e "${LIBTOOL_DIR}/../share/aclocal" ; then
    aclocal_include="-I ${LIBTOOL_DIR}/../share/aclocal"
fi
aclocal_cmd="${HDF_ACLOCAL} --force -I m4 ${aclocal_include}"
echo ${aclocal_cmd}
if [ "$verbose" = true ] ; then
    ${HDF_ACLOCAL} --version
fi
${aclocal_cmd} || exit 1
echo

# AUTOHEADER
autoheader_cmd="${HDF_AUTOHEADER} --force"
echo ${autoheader_cmd}
if [ "$verbose" = true ] ; then
    ${HDF_AUTOHEADER} --version
fi
${autoheader_cmd} || exit 1
echo

# AUTOMAKE
automake_cmd="${HDF_AUTOMAKE} --copy --add-missing --force-missing"
echo ${automake_cmd}
if [ "$verbose" = true ] ; then
    ${HDF_AUTOMAKE} --version
fi
${automake_cmd} || exit 1
echo

# AUTOCONF
autoconf_cmd="${HDF_AUTOCONF} --force"
echo ${autoconf_cmd}
if [ "$verbose" = true ] ; then
    ${HDF_AUTOCONF} --version
fi
${autoconf_cmd} || exit 1
echo

exit 0