Upstream-Status: Inappropriate [embedded specific]

diff -ur a/Makefile b/Makefile
--- a/Makefile	2015-02-02 22:02:58.651041951 -0500
+++ b/Makefile	2015-02-02 23:08:13.884514003 -0500
@@ -8,7 +8,7 @@
 OUT=out/
 
 # Common command definitions
-export HOSTCC             := $(CC)
+export HOSTCC             ?= $(CC)
 export CONFIG_SHELL       := sh
 export KCONFIG_AUTOHEADER := autoconf.h
 export KCONFIG_CONFIG     := $(CURDIR)/.config
@@ -22,7 +22,7 @@
 OBJDUMP=$(CROSS_PREFIX)objdump
 STRIP=$(CROSS_PREFIX)strip
 PYTHON=python
-CPP=cpp
+CPP=$(CROSS_PREFIX)cpp
 IASL:=iasl
 LD32BIT_FLAG:=-melf_i386