kernel.mk: make use of ccache when requested

Change-Id: I9b6e28711bd5f590a76ac2b62a50b1d2de014e3e
CyanogenMod · Apr 27, 2012 · 0ddf879 · 0ddf879
1 parent af59915
commit 0ddf879
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/core/tasks/kernel.mk b/core/tasks/kernel.mk
@@ -91,7 +91,17 @@ define clean-module-folder
 endef
 
 ifeq ($(TARGET_ARCH),arm)
-    ARM_CROSS_COMPILE:=CROSS_COMPILE=$(ARM_EABI_TOOLCHAIN)/arm-eabi-
+    ifneq ($(USE_CCACHE),)
+      ccache := $(ANDROID_BUILD_TOP)/prebuilt/$(HOST_PREBUILT_TAG)/ccache/ccache
+      # Check that the executable is here.
+      ccache := $(strip $(wildcard $(ccache)))
+      ifdef ccache
+        ARM_CROSS_COMPILE:=CROSS_COMPILE="$(ccache) $(ARM_EABI_TOOLCHAIN)/arm-eabi-"
+        ccache = 
+      else
+        ARM_CROSS_COMPILE:=CROSS_COMPILE=$(ARM_EABI_TOOLCHAIN)/arm-eabi-
+      endif
+    endif
 endif
 
 ifeq ($(TARGET_KERNEL_MODULES),)