dnl a small macro to default the lex library to "-ll" if
dnl flex is used and "-lfl" doesn't work
dnl
dnl Vincent Mallet 1999

AC_DEFUN(VIM_PROG_LEX, 
[AM_PROG_LEX
if test -z "$LEXLIB"
then
  LEXLIB="-ll"
  AC_MSG_WARN([defaulting 'lex' library to '-ll'])
fi
])