Added nice and fun patch from dostrow for building on ppc64 (and possibly others) with mixed kernel/userland.

git-svn-id: svn+ssh://svn.gentoo.org/var/svnroot/genkernel/trunk@358 67a159dc-881f-0410-a524-ba9dfbe2cb84

gen_arch.sh

@@ -23,6 +23,16 @@ get_official_arch() {
 		fi
 	fi
 
+	if [ "${CMD_UTILS_ARCH}" != '' ]
+	then
+		UTILS_ARCH=${CMD_UTILS_ARCH}
+	else
+		if [ "${UTILS_ARCH}" != '' ]
+		then
+			UTILS_ARCH=${UTILS_ARCH}
+		fi
+	fi
+	
 	ARCH_CONFIG="${GK_SHARE}/${ARCH}/config.sh"
 	[ -f "${ARCH_CONFIG}" ] || gen_die "${ARCH} not yet supported by genkernel. Please add the arch-specific config file, ${ARCH_CONFIG}"
 }

gen_cmdline.sh

@@ -57,6 +57,8 @@ longusage() {
   echo "	--utils-as=<assembler>	Assembler to use for utils"
   echo "	--utils-ld=<linker>	Linker to use for utils"
   echo "	--utils-make=<makeprog>	GNU Make to use for utils"
+  echo "	--utils-cross-compile=<cross var> CROSS_COMPILE utils variable"
+  echo "	--utils-arch=<arch> 	Force to arch for utils only instead of autodetect."
   echo "	--makeopts=<makeopts>	Make options such as -j2, etc..."
   echo "	--mountboot		Mount /boot automatically"
   echo "	--no-mountboot		Don't mount /boot automatically"  
@@ -159,6 +161,15 @@ parse_cmdline() {
 		      CMD_UTILS_MAKE=`parse_opt "$*"`
 		      print_info 2 "CMD_UTILS_MAKE: $CMD_UTILS_MAKE"
 	      ;;
+	      --utils-cross-compile=*)
+		      CMD_UTILS_CROSS_COMPILE=`parse_opt "$*"`
+		      CMD_UTILS_CROSS_COMPILE=$(echo ${CMD_UTILS_CROSS_COMPILE}|sed -e 's/.*[^-]$/&-/g')
+		      print_info 2 "CMD_UTILS_CROSS_COMPILE: $CMD_UTILS_CROSS_COMPILE"
+	      ;;
+	      --utils-arch=*)
+		      CMD_UTILS_ARCH=`parse_opt "$*"`
+		      print_info 2 "CMD_UTILS_ARCH: $CMD_ARCHOVERRIDE"
+	      ;;
 	      --makeopts=*)
 		      CMD_MAKEOPTS=`parse_opt "$*"`
 		      print_info 2 "CMD_MAKEOPTS: $CMD_MAKEOPTS"

gen_compile.sh

@@ -30,6 +30,10 @@ compile_utils_args()
 	local ARGS
 
 	ARGS=''
+	if [ "${UTILS_ARCH}" != '' ]
+	then
+		ARGS="ARCH=\"${UTILS_ARCH}\""
+	fi
 	if [ "${UTILS_CC}" != '' ]
 	then
 		ARGS="CC=\"${UTILS_CC}\""
@@ -48,6 +52,10 @@ compile_utils_args()
 
 export_utils_args()
 {
+	if [ "${UTILS_ARCH}" != '' ]
+	then
+		export ARCH="${UTILS_ARCH}"
+	fi
 	if [ "${UTILS_CC}" != '' ]
 	then
 		export CC="${UTILS_CC}"
@@ -64,6 +72,10 @@ export_utils_args()
 
 unset_utils_args()
 {
+	if [ "${UTILS_ARCH}" != '' ]
+	then
+		unset ARCH
+	fi
 	if [ "${UTILS_CC}" != '' ]
 	then
 		unset CC
@@ -720,6 +732,10 @@ compile_klibc() {
 	print_info 1 'klibc: >> Compiling...'
 	ln -snf "${KERNEL_DIR}" linux || gen_die "Could not link to ${KERNEL_DIR}"
 	sed -i Makefile -e "s|prefix      = /usr|prefix      = ${TEMP}/klibc-build|g"
+	if [ "${UTILS_ARCH}" != '' ]
+	then
+		sed -i Makefile -e "s|export ARCH.*|export ARCH := ${UTILS_ARCH}|g"
+	fi
 	if [ "${ARCH}" = 'um' ]
 	then
 		compile_generic "ARCH=um" utils
@@ -729,9 +745,9 @@ compile_klibc() {
 	elif [ "${ARCH}" = 'x86' ]
 	then
 		compile_generic "ARCH=i386" utils
-	elif [ "${KERNEL_CROSS_COMPILE}" != '' ]
+	elif [ "${UTILS_CROSS_COMPILE}" != '' ]
 	then
-		compile_generic "CROSS=${KERNEL_CROSS_COMPILE}" utils
+		compile_generic "CROSS=${UTILS_CROSS_COMPILE}" utils
 	else
 		compile_generic "" utils
 	fi

gen_determineargs.sh

@@ -167,6 +167,11 @@ determine_real_args() {
 		UTILS_AS="${CMD_UTILS_AS}"
 	fi
 	
+	if [ "${CMD_UTILS_CROSS_COMPILE}" != '' ]
+	then
+		UTILS_CROSS_COMPILE="${CMD_UTILS_CROSS_COMPILE}"
+	fi
+
 	CACHE_DIR=`arch_replace "${CACHE_DIR}"`
 	CACHE_CPIO_DIR="${CACHE_DIR}/cpio"
 	BUSYBOX_BINCACHE=`cache_replace "${BUSYBOX_BINCACHE}"`

genkernel

@@ -2,7 +2,7 @@
 # Genkernel v3
 
 PATH="/bin:/usr/bin:/sbin:/usr/sbin"
-GK_V='3.3.11_pre3'
+GK_V='3.3.11_pre4'
 
 TMPDIR='/var/tmp/genkernel'
 TODEBUGCACHE=1 # Until an error occurs or DEBUGFILE is fully qualified.