AndroidKernel: Use host machine tools

Use the host directory of tools for kernel cross
compilation to ensure build results are reproducible
across different machines.

Change-Id: I804745bb1962c46e944ba43e77e8876435c9059e
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>

Author: Mukesh Ojha

AndroidKernel.mk

@@ -46,7 +46,7 @@ TARGET_KERNEL_CROSS_COMPILE_PREFIX := $(strip $(TARGET_KERNEL_CROSS_COMPILE_PREF
 ifeq ($(TARGET_KERNEL_CROSS_COMPILE_PREFIX),)
 KERNEL_CROSS_COMPILE := arm-eabi-
 else
-KERNEL_CROSS_COMPILE := $(TARGET_KERNEL_CROSS_COMPILE_PREFIX)
+KERNEL_CROSS_COMPILE := $(shell pwd)/$(TARGET_TOOLS_PREFIX)
 endif
 
 ifeq ($(TARGET_PREBUILT_KERNEL),)

Makefile

@@ -366,7 +366,7 @@ CHECK		= sparse
 
 # Use the wrapper for the compiler.  This wrapper scans for new
 # warnings and causes the build to stop upon encountering them
-CC		= $(srctree)/scripts/gcc-wrapper.py $(REAL_CC)
+CC		= $(PYTHON) $(srctree)/scripts/gcc-wrapper.py $(REAL_CC)
 
 CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
 		  -Wbitwise -Wno-return-void $(CF)