+test_program_errors=0
+
+function test_program {
+ if ! command -v $1 >/dev/null 2>&1 ; then
+ echo "Missing program '$1'."
+ test_program_errors=1
+ fi
+}
+
+for prog in autoconf automake libtool pkg-config gettext ; do
+ test_program $prog
+ done
+
+test $test_program_errors -ne 1 || exit 1
+
+#-------------------------------------------------------------------------------
+
+set -e
+
+if test $(uname -s) = "OpenBSD" ; then
+ # OpenBSD needs these environment variables set.
+ AUTOCONF_VERSION=2.69
+ AUTOMAKE_VERSION=1.11
+ export AUTOCONF_VERSION
+ export AUTOMAKE_VERSION
+ fi
+
+srcdir=`dirname $0`
+test -n "$srcdir" && cd "$srcdir"
+
+echo "Updating build configuration files for FLAC, please wait...."
+
+touch config.rpath
+autoreconf -isf
+#./configure "$@" && echo