#!/bin/sh

scriptname=$0

err() {
	printf '%s: %s\n' "$scriptname" "$@" 1>&2
}

die() {
	err "$@"
	exit 1
}

: ${AUTORECONF=autoreconf}
: ${GNULIB=gnulib}
: ${GIT=git}
: ${PERL=perl}

$GIT submodule update --init || err "Failed to update submodules from git."

if test -x $GNULIB/gnulib-tool; then
	$GNULIB/gnulib-tool --update -S || die "Failed to update Gnulib."
else
	die "Gnulib sources are not properly installed in gnulib/."
fi

$PERL common/scripts/fix-gnulib.pl -o lib/gnulib.mk -i lib/gnulib.mk.in \
	|| die "Failed to fixup Gnulib makefile fragment."

$AUTORECONF -fis