AC_CHECK_PROGS([GPERF], [gperf])
AC_MSG_CHECKING([if gperf >= 3.0.3])
GPERF_VERSION=[`$GPERF --version | $SED -e 's/^.* \([0-9.]*\)$/\1/p;d'`]
AC_CHECK_PROGS([GPERF], [gperf])
AC_MSG_CHECKING([if gperf >= 3.0.3])
GPERF_VERSION=[`$GPERF --version | $SED -e 's/^.* \([0-9.]*\)$/\1/p;d'`]