AC_DEFUN([AC_PROG_FLEX],
[
- AC_PROG_LEX
+AC_PREREQ(2.50)dnl
+AC_REQUIRE([AM_MISSING_HAS_RUN])dnl
+AC_REQUIRE([AC_PROG_LEX])dnl
if test "$LEX" != flex; then
AC_MSG_NOTICE([Flex not found. Parsers won't get updated.])
- LEX="$SHELL $missing_dir/missing flex";
+ LEX=${am_missing_run}flex
AC_SUBST(LEXLIB, '')
else
if test "x$1" != "x" ; then
dnl
dnl We were asked to check the version number
dnl
- set -x
changequote(<<, >>)dnl because of the regexp [blabla]
FLEX_VERSION=`flex --version | sed -e 's/^[^0-9]*//' -e 's/[^0-9]*$//'`
test "$FLEX_VER_MAJ" -eq "$WANT_VER_MAJ" -a "$FLEX_VER_MED" -eq "$WANT_VER_MED" -a "$FLEX_VER_MIN" -lt "$WANT_VER_MIN" ;
then
AC_MSG_NOTICE([Found flex is too old. Parsers won't get updated (Found v$FLEX_VERSION < v$1)])
- LEX="$SHELL $missing_dir/missing flex";
+ LEX=${am_missing_run}flex
AC_SUBST(LEXLIB, '')
+ else
+ AC_MSG_NOTICE([Flex found. Parsers will get updated])
fi
- set +x
fi
fi
- AC_MSG_NOTICE([Flex found. Parsers will get updated])
- exit 0
])