Merged r2896:2897 from trunk (use dummy joystick if subsystem enabled and

 no platform-specific driver exists).

Fixes Bugzilla #356 (and maybe Bugzilla #350).

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%402220

configure.in

@@ -2564,11 +2564,12 @@ case "$host" in
 esac
 
 # Verify that we have all the platform specific files we need
-if test x$have_joystick != xyes; then
-    if test x$enable_joystick = xyes; then
-        AC_DEFINE(SDL_JOYSTICK_DISABLED)
-    fi
+
+if test x$enable_joystick = xyes; then
+  if test x$have_joystick != xyes; then
+    # Wants joystick subsystem, but doesn't have a platform-specific backend...
     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
+  fi
 fi
 if test x$have_cdrom != xyes; then
     if test x$enable_cdrom = xyes; then