dnl Initialize the automake stuff
dnl set the $host variable based on local machine/os
AC_CANONICAL_TARGET
-AM_INIT_AUTOMAKE(FlightGear, 0.9.9-pre3)
+AM_INIT_AUTOMAKE(FlightGear, 0.9.9)
dnl Checks for programs.
AC_PROG_MAKE_SET
dnl Thread related checks
# defaults to yes
-with_threads=yes
-AC_ARG_WITH(threads, [ --with-threads Include tile loading threads [default=yes]])
-if test "x$with_threads" != "xyes"; then
- AC_DEFINE([ENABLE_THREADS], 0, [Define to enable threaded tile paging])
-else
+AC_ARG_WITH(threads, [ --with-threads Include tile loading threads [default=yes]], [], [with_threads=yes])
+if test "x$with_threads" = "xyes"; then
AC_DEFINE([ENABLE_THREADS], 1, [Define to enable threaded tile paging])
CXXFLAGS="$CXXFLAGS -D_REENTRANT"
CFLAGS="$CFLAGS -D_REENTRANT"