## Replacement for AC_PROG_LEX and AC_DECL_YYTEXT
## by Alexandre Oliva <oliva@dcc.unicamp.br>

dnl AM_PROG_LEX
dnl Look for flex, lex or missing, then run AC_PROG_LEX and AC_DECL_YYTEXT
AC_DEFUN([AM_PROG_LEX],
[missing_dir=ifelse([$1],,`cd $ac_aux_dir && pwd`,$1)
AC_CHECK_PROGS(LEX, flex lex, "$missing_dir/missing flex")
AC_PROG_LEX
AC_DECL_YYTEXT])