[],
[enable_ps3=check])
-AS_IF([test "x$enable_ps3" != xno],
- [AC_SUBST([ENABLE_PS3], ["y"])],
- [AC_SUBST([ENABLE_PS3], ["n"])])
+AS_IF([test "x$enable_ps3" != xno], [AC_SUBST([ENABLE_PS3], ["y"])], [])
AC_ARG_WITH([twin],
[AS_HELP_STRING([--with-twin],