From ed937ffed5afd0a4e8f3bc9074f55b4126359741 Mon Sep 17 00:00:00 2001
From: jjm2473 <1129525450@qq.com>
Date: Thu, 19 Nov 2020 13:04:02 +0800
Subject: [PATCH] enable build with ccache

(cherry picked from commit 49e4a9404c9ff935d1ee332bd564f92c033edf9e)
(cherry picked from commit b709d567b093ef0f15d36f15fb1f161429528cb7)
---
 rules.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rules.mk b/rules.mk
index f31d9bb113..933343cd6d 100644
--- a/rules.mk
+++ b/rules.mk
@@ -188,7 +188,7 @@ ifndef DUMP
   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
     -include $(TOOLCHAIN_DIR)/info.mk
     export GCC_HONOUR_COPTS:=0
-    TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
+    TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(if $(CONFIG_CCACHE),$(CCACHE) )$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
     TARGET_CFLAGS+= -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result
     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include
     ifeq ($(CONFIG_USE_MUSL),y)