dnl AC_PROG_FLEX: Check whether the LEXer is flex, and which version it has
dnl The first arg must be a version number with 3 parts.
-dnl hint: I guess you want to check for a version number higher to 2.5.31
+dnl You may want to check for version >= 2.5.31 (the one breaking posix compatibility)
AC_DEFUN([_AC_PROG_FLEX_HELPER_TOO_OLD],[
AC_MSG_NOTICE([Found flex is too old. Parsers won't get updated (Found v$FLEX_VERSION < v$1)])
dnl
dnl We were asked to check the version number
dnl
- set -x
changequote(<<, >>)dnl because of the regexp [blabla]
FLEX_VERSION=`flex --version | sed -e 's/^[^0-9]*//' -e 's/[^0-9]*$//'`
LEX="$SHELL $missing_dir/missing flex";
AC_SUBST(LEXLIB, '')
fi
- set +x
fi
fi
AC_MSG_NOTICE([Flex found. Parsers will get updated])
- exit 0
])
