1 ## Replacement for AC_PROG_LEX. -*- Autoconf -*-
2 ## by Alexandre Oliva <oliva@dcc.unicamp.br>
3 # Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2005
4 # Free Software Foundation, Inc.
6 # This file is free software; the Free Software Foundation
7 # gives unlimited permission to copy and/or distribute it,
8 # with or without modifications, as long as this notice is preserved.
14 # Autoconf leaves LEX=: if lex or flex can't be found. Change that to a
15 # "missing" invocation, for better error output.
16 AC_DEFUN([AM_PROG_LEX],
18 AC_REQUIRE([AM_MISSING_HAS_RUN])dnl
19 AC_REQUIRE([AC_PROG_LEX])dnl
20 if test "$LEX" = :; then
21 LEX=${am_missing_run}flex