AC_ARG_WITH([rootlibdir],
AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
[], [with_rootlibdir=$libdir])
AC_ARG_WITH([rootlibdir],
AS_HELP_STRING([--with-rootlibdir=DIR], [rootfs directory to install shared libraries]),
[], [with_rootlibdir=$libdir])