Do not set MINGW_CC_LINUX2WIN_EXECUTABLE build flag.

Workaround is no longer needed with ccache 3.0 or later.

debian/changelog

@@ -23,6 +23,8 @@ cmake (2.8.4-1) UNRELEASED; urgency=low
   * Disable git-import-orig in debian/watch. One extra command is not a good
     enough reason to lose control of packaging to non-trivial black-box tools.
   * Use less error-prone way of setting build flags.
+  * Do not set MINGW_CC_LINUX2WIN_EXECUTABLE build flag. Workaround is no
+    longer needed with ccache 3.0 or later.
 
  -- Kai Wasserbäch <debian@carbon-project.org>  Sun, 16 Jan 2011 11:40:34 +0100
 

debian/rules

@@ -16,7 +16,6 @@ $(BUILD_FLAGS_FILE):
 	$(call $(flag_action),BUILD_WXDialog,ON,"Build WXDialog")
 	$(call $(flag_action),BUILD_CursesDialog,ON,"Build curses GUI")
 	$(call $(flag_action),BUILD_QtDialog,ON,"Build Qt4 GUI")
-	$(call $(flag_action),MINGW_CC_LINUX2WIN_EXECUTABLE,"","Never detect mingw")
 #	$(call $(flag_action),TARGET_VERSION)
 #	$(call $(flag_action),TARGET_SOVERSION)
 #	$(call $(flag_action),BUILD_DOCUMENTATION,ON)