* configure.ac: new --enable-optimize-memory option.

configure.ac

@@ -1174,6 +1174,15 @@ then
     VLC_ADD_BUILTINS([${ACCEL_MODULES}])
 fi
 
+dnl
+dnl  Memory usage
+dnl
+AC_ARG_ENABLE(optimize-memory,
+[  --enable-optimize-memory      optimize memory usage over performance])
+if test "${enable_optimize_memory}" = "yes"; then
+  AC_DEFINE(OPTIMIZE_MEMORY, 1, Define if you want to optimize memory usage over performance)
+fi
+
 dnl
 dnl  Enable/disable optimizations
 dnl