Add G_G[U]INTPTR_FORMAT and G_GINTPTR_MODIFIER

Add macros for printf formatting for g[u]intptr. Bug 569376.

configure.in

@@ -2846,6 +2846,10 @@ _______EOF
 
 typedef signed $glib_intptr_type_define gintptr;
 typedef unsigned $glib_intptr_type_define guintptr;
+
+#define G_GINTPTR_MODIFIER      $gintptr_modifier
+#define G_GINTPTR_FORMAT        $gintptr_format
+#define G_GUINTPTR_FORMAT       $guintptr_format
 _______EOF
 	else
 	  echo '#error SIZEOF_VOID_P unknown - This should never happen' >>$outfile
@@ -3225,21 +3229,33 @@ glongbits=`expr $ac_cv_sizeof_long \* 8`
 case $ac_cv_sizeof_void_p in
 $ac_cv_sizeof_int)
   glib_intptr_type_define=int
+  gintptr_modifier='""'
+  gintptr_format='"i"'
+  guintptr_format='"u"'
   glib_gpi_cast=''
   glib_gpui_cast=''
   ;;
 $ac_cv_sizeof_long)
   glib_intptr_type_define=long
+  gintptr_modifier='"l"'
+  gintptr_format='"li"'
+  guintptr_format='"lu"'
   glib_gpi_cast='(glong)'
   glib_gpui_cast='(gulong)'
   ;;
 $ac_cv_sizeof_long_long)
   glib_intptr_type_define='long long'
+  gintptr_modifier='"I64"'
+  gintptr_format='"I64i"'
+  guintptr_format='"I64u"'
   glib_gpi_cast='(gint64)'
   glib_gpui_cast='(guint64)'
   ;;
 $ac_cv_sizeof___int64)
   glib_intptr_type_define=__int64
+  gintptr_modifier='"I64"'
+  gintptr_format='"I64i"'
+  guintptr_format='"I64u"'
   glib_gpi_cast='(gint64)'
   glib_gpui_cast='(guint64)'
   ;;