There is no 'make uninstall' for ccache.

Attempt to manually make uninstall work....

toolchain/ccache/ccache.mk

@@ -80,7 +80,27 @@ endif
 ccache: gcc $(STAGING_DIR)/$(CCACHE_TARGET_BINARY)
 
 ccache-clean:
-	$(MAKE) -C $(CCACHE_DIR1) uninstall
+	rm -rf  $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-cc
+	rm -rf  $(STAGING_DIR)/bin/$(GNU_TARGET_NAME)-gcc
+	rm -rf  $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-cc
+	rm -rf  $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc
+	[ -f $(STAGING_DIR)/bin-ccache/$(REAL_GNU_TARGET_NAME)-gcc ] && \
+		mv $(STAGING_DIR)/bin-ccache/$(REAL_GNU_TARGET_NAME)-gcc $(STAGING_DIR)/bin/
+	(cd $(STAGING_DIR)/bin; \
+		ln -fs $(REAL_GNU_TARGET_NAME)-gcc $(REAL_GNU_TARGET_NAME)-cc; \
+		ln -fs $(REAL_GNU_TARGET_NAME)-gcc $(GNU_TARGET_NAME)-cc; \
+		ln -fs $(REAL_GNU_TARGET_NAME)-gcc $(GNU_TARGET_NAME)-gcc;)
+	[ -f $(STAGING_DIR)/bin-ccache/$(REAL_GNU_TARGET_NAME)-c++ ] && \
+		rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c++; \
+		mv $(STAGING_DIR)/bin-ccache/$(REAL_GNU_TARGET_NAME)-c++ $(STAGING_DIR)/bin/
+	[ -f $(STAGING_DIR)/bin-ccache/$(REAL_GNU_TARGET_NAME)-g++ ] && \
+		rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-g++; \
+		mv $(STAGING_DIR)/bin-ccache/$(REAL_GNU_TARGET_NAME)-g++  $(STAGING_DIR)/bin/
+	rm -rf  $(STAGING_DIR)/bin-ccache/*
+	(cd $(STAGING_DIR)/bin; \
+		ln -fs $(REAL_GNU_TARGET_NAME)-g++ $(GNU_TARGET_NAME)-c++; \
+		ln -fs $(REAL_GNU_TARGET_NAME)-g++ $(GNU_TARGET_NAME)-g++;\
+		ln -fs $(REAL_GNU_TARGET_NAME)-g++ $(REAL_GNU_TARGET_NAME)-c++);
 	-$(MAKE) -C $(CCACHE_DIR1) clean
 
 ccache-dirclean: