--- src/scim_pointer.h.orig	2017-11-28 20:19:37.280276808 +0100
+++ src/scim_pointer.h.orig	2017-11-28 20:20:17.592916277 +0100
@@ -84,7 +84,7 @@ 
     //!<
     //!< <BR>Initialize a new Pointer with any dumb pointer.
 
-    Pointer(Pointer& src) : t(0)
+    Pointer(const Pointer& src) : t(0)
     {
         set(src.get());
     }
--- src/scim_debug.h.orig	2017-11-28 20:19:24.929387264 +0100
+++ src/scim_debug.h.orig	2017-11-28 20:20:06.272017526 +0100
@@ -41,7 +41,7 @@ 
  * @name The mask for debug messages filtering.
  * @{
  */
-#define SCIM_DEBUG_AllMask          (~0) /**< Show all messages. */
+#define SCIM_DEBUG_AllMask          ((uint32)~0) /**< Show all messages. */
 #define SCIM_DEBUG_MainMask         1    /**< Show messages of main application. */
 #define SCIM_DEBUG_ConfigMask       2    /**< Show messages of Config objects */
 #define SCIM_DEBUG_IMEngineMask     4    /**< Show messages of IMEngine objects */