# OPENAFS_LEX_IS_FLEX([ACTION-IF-SUCCESS], [ACTION-IF-FAILURE])
AC_DEFUN([OPENAFS_LEX_IS_FLEX],
[AC_MSG_CHECKING([if lex is flex])
- AS_IF([echo '' | $LEX --version >&AS_MESSAGE_LOG_FD],
+ AS_IF([echo '' | $LEX --version >&AS_MESSAGE_LOG_FD 2>&1],
[AC_MSG_RESULT([yes])
$1],
[AC_MSG_RESULT([no])