Fix bug 68903; Allows the CROSS_COMPILE env to be set for kernel compiles. Added --kernel-cross-compile= option

git-svn-id: svn+ssh://svn.gentoo.org/var/svnroot/genkernel/trunk@215 67a159dc-881f-0410-a524-ba9dfbe2cb84

gen_cmdline.sh

@@ -50,6 +50,7 @@ longusage() {
   echo "	--kernel-cc=<compiler>	Compiler to use for kernel (e.g. distcc)"
   echo "	--kernel-as=<assembler>	Assembler to use for kernel"
   echo "	--kernel-ld=<linker>	Linker to use for kernel"
+  echo "	--kernel-cross-compile=<cross var> CROSS_COMPILE kernel variable"
   echo "	--kernel-make=<makeprg> GNU Make to use for kernel"
   echo "	--utils-cc=<compiler>	Compiler to use for utilities"
   echo "	--utils-as=<assembler>	Assembler to use for utils"
@@ -133,6 +134,11 @@ parse_cmdline() {
 		      CMD_KERNEL_MAKE=`parse_opt "$*"`
 		      print_info 2 "CMD_KERNEL_MAKE: $CMD_KERNEL_MAKE"
 	      ;;
+	      --kernel-cross-compile=*)
+		      CMD_KERNEL_CROSS_COMPILE=`parse_opt "$*"`
+		      CMD_KERNEL_CROSS_COMPILE=$(echo ${CMD_KERNEL_CROSS_COMPILE}|sed -e 's/.*[^-]$/&-/g')
+		      print_info 2 "CMD_KERNEL_CROSS_COMPILE: $CMD_KERNEL_CROSS_COMPILE"
+	      ;;
 	      --utils-cc=*)
 		      CMD_UTILS_CC=`parse_opt "$*"`
 		      print_info 2 "CMD_UTILS_CC: $CMD_UTILS_CC"

gen_compile.sh

@@ -18,6 +18,11 @@ compile_kernel_args()
 		ARGS="${ARGS} AS=\"${KERNEL_AS}\""
 	fi
 
+	if [ "${KERNEL_CROSS_COMPILE}" != '' ]
+	then
+		ARGS="${ARGS} CROSS_COMPILE=\"${KERNEL_CROSS_COMPILE}\""
+	fi
+
 	echo -n "${ARGS}"
 }
 
@@ -88,6 +93,10 @@ export_kernel_args()
 	then
 		export AS="${KERNEL_AS}"
 	fi
+	if [ "${KERNEL_CROSS_COMPILE}" != '' ]
+	then
+		export CROSS_COMPILE="${KERNEL_CROSS_COMPILE}"
+	fi
 }
 
 unset_kernel_args()
@@ -104,6 +113,10 @@ unset_kernel_args()
 	then
 		unset AS
 	fi
+	if [ "${KERNEL_CROSS_COMPILE}" != '' ]
+	then
+		unset CROSS_COMPILE
+	fi
 }
 
 compile_generic() {

gen_determineargs.sh

@@ -133,6 +133,11 @@ determine_real_args() {
 		KERNEL_AS="${CMD_KERNEL_AS}"
 	fi
 	
+	if [ "${CMD_KERNEL_CROSS_COMPILE}" != '' ]
+	then
+		KERNEL_CROSS_COMPILE="${CMD_KERNEL_CROSS_COMPILE}"
+	fi
+
 	if [ "${CMD_UTILS_CC}" != '' ]
 	then
 		UTILS_CC="${CMD_UTILS_CC}"