10 files changed, 97 insertions, 9 deletions
diff --git a/remote/modules/kernel/.gitignore b/remote/modules/kernel/.gitignore
index 5e077cd8..56c69270 100644
--- a/remote/modules/kernel/.gitignore
+++ b/remote/modules/kernel/.gitignore
@@ -1,2 +1,3 @@
-ksrc/
-linux-*/
+ksrc
+linux*
+openslx.config
diff --git a/remote/modules/kernel/kernel.build b/remote/modules/kernel/kernel.build
new file mode 100644
index 00000000..8b238abf
--- /dev/null
+++ b/remote/modules/kernel/kernel.build
@@ -0,0 +1,81 @@
+fetch_source() {
+	# get the source according to the distro
+        if [ "x$PACKET_MANAGER" == "xapt" ]; then
+		pdebug "apt-ing kernel source"
+                apt-get source linux-image-${KERNEL_VERSION}
+		[ ! -e ksrc ] && ln -s  $(ls -d linux-*/) ksrc
+        elif [ "x$PACKET_MANAGER" == "xzypper" ]; then
+		pdebug "zypping kernel source"
+                zypper si kernel-source
+
+		# find src directory
+		local SOURCE_DIR=$(rpm -ql kernel-source |grep -E -o '^/.*src/linux-[^/]+/' |head -1)
+		[ -z "${SOURCE_DIR}" ] && perror "Could not determine directory of kernel source..."
+		ln -sf "${SOURCE_DIR}" ksrc
+		
+        else
+		pdebug "Packet manager not determined!"
+	fi
+}
+
+build() {
+	local TARGET_CONFIG_FILE="openslx.config"
+	[ -e "${TARGET_CONFIG_FILE}" ] && rm -f "${TARGET_CONFIG_FILE}"
+	# update config and copy to ksrc
+	pinfo "Updating kernel config..."
+	update_config
+	cp "${TARGET_CONFIG_FILE}" ksrc/.config
+	
+	# make kernel with the new config
+	cd ksrc || perror "Could not cd to ksrc, was the kernel source fetched properly?"
+	pinfo "Preparing kernel for new config ('make oldconfig')"
+	yes n | make oldconfig || perror "make oldconfig failed"
+	pinfo "Compiling kernel... (this will take some time)"
+	make || perror "make failed"
+	
+	# install modules to build directory
+	pinfo "Installing kernel modules..."
+	make INSTALL_MOD_PATH="${MODULE_BUILD_DIR}" INSTALL_MOD_STRIP=1 modules_install || perror "make modules_install failed in ${MODULE_BUILD_DIR}"
+	cd - 2> /dev/null
+
+	# copy kernel to build
+	cp ksrc/arch/x86/boot/bzImage "${MODULE_BUILD_DIR}/${KERNEL_TARGET_NAME}"
+	pinfo "Kernel was successfully built at ${MODULE_BUILD_DIR}/${KERNEL_TARGET_NAME}"
+	[ -z "${KERNEL_BUILD_DIR}" ] && KERNEL_BUILD_DIR="${MODULE_BUILD_DIR}"
+}
+
+post_copy() {
+	:
+}
+
+# helper function to update the current kernel config with our parameters
+update_config() {
+
+	# first we need to update the current config
+	local BASE_CONFIG_FILE="/boot/config-$(uname -r)"
+	[ -e "${BASE_CONFIG_FILE}" ] || perror "$BASE_CONFIG_FILE could not be found! This should not happen."
+	
+	# check for our wanted config parameter
+	local OPENSLX_WANTED_CONFIG="${ROOT_DIR}/data/kernel.wanted.config"
+	[ -e "${OPENSLX_WANTED_CONFIG}" ] || perror "$OPENSLX_WANTED_CONFIG does not exist! Please add a list of wanted kernel config parameters."
+
+	# copy basic config file
+	cp "$BASE_CONFIG_FILE" "$TARGET_CONFIG_FILE"
+
+	for WANTED_CONFIG in $(cat $OPENSLX_WANTED_CONFIG|sort -u); do
+		local CONFIG_PARAM_NAME=$(echo $WANTED_CONFIG | awk -F "=" '{print $1}')
+		local SEARCH_RESULT=$(grep "^$CONFIG_PARAM_NAME=" "$BASE_CONFIG_FILE")
+
+		#echo "Process: $SEARCH_RESULT"
+		# analyse results
+		if [ "x$SEARCH_RESULT" == "x" ]; then
+			# no match, add it
+			echo $WANTED_CONFIG >> $TARGET_CONFIG_FILE
+		else
+			# match, change to our setting if they differ
+			if [ "x${SEARCH_RESULT: -1}" != "x${WANTED_CONFIG: -1}" ]; then
+				sed -i "s/$SEARCH_RESULT/$WANTED_CONFIG/" "$TARGET_CONFIG_FILE"
+			fi
+		fi
+	done
+}
diff --git a/remote/modules/kernel/kernel.conf b/remote/modules/kernel/kernel.conf
new file mode 100644
index 00000000..0cd03752
--- /dev/null
+++ b/remote/modules/kernel/kernel.conf
@@ -0,0 +1,3 @@
+REQUIRED_BINARIES=""
+REQUIRED_LIBRARIES=""
+REQUIRED_DIRECTORIES=""
diff --git a/remote/rootfs/rootfs-stage31/rootfs-stage31.build b/remote/rootfs/rootfs-stage31/rootfs-stage31.build
index 9030e972..19a5838a 100644
--- a/remote/rootfs/rootfs-stage31/rootfs-stage31.build
+++ b/remote/rootfs/rootfs-stage31/rootfs-stage31.build
@@ -22,6 +22,7 @@ post_copy() {
         generate_rootfs
         copy_kernel_modules
         copy_firmware
+	copy_kernel
 
 	# copy busybox that has been under /openslx back to /
 	cp -r "${TARGET_BUILD_DIR}"/openslx/* "${TARGET_BUILD_DIR}"
diff --git a/remote/rootfs/rootfs-stage31/rootfs-stage31.conf b/remote/rootfs/rootfs-stage31/rootfs-stage31.conf
index 6d4af2c9..788ff8b3 100644
--- a/remote/rootfs/rootfs-stage31/rootfs-stage31.conf
+++ b/remote/rootfs/rootfs-stage31/rootfs-stage31.conf
@@ -1,4 +1,5 @@
-REQUIRED_MODULES="		busybox"
+REQUIRED_MODULES="		busybox
+				kernel"
 REQUIRED_KERNEL_MODULES="	kernel/drivers/video/sis/sisfb.ko
 				kernel/drivers/video/via/viafb.ko
         	               	kernel/drivers/acpi/video.ko
diff --git a/remote/rootfs/rootfs-stage32/rootfs-stage32.build b/remote/rootfs/rootfs-stage32/rootfs-stage32.build
index a14bdfa4..e7c1d5f3 100644
--- a/remote/rootfs/rootfs-stage32/rootfs-stage32.build
+++ b/remote/rootfs/rootfs-stage32/rootfs-stage32.build
@@ -99,6 +99,6 @@ post_copy() {
 	else
 		pinfo "Not copying firmware from system, as '${TARGET_BUILD_DIR}/lib/firmware' already exists."
 	fi	
-
+	copy_kernel
 }
 
diff --git a/remote/rootfs/rootfs-stage32/rootfs-stage32.conf b/remote/rootfs/rootfs-stage32/rootfs-stage32.conf
index 15bd0908..d2c1e5a9 100644
--- a/remote/rootfs/rootfs-stage32/rootfs-stage32.conf
+++ b/remote/rootfs/rootfs-stage32/rootfs-stage32.conf
@@ -1,3 +1,4 @@
+REQUIRED_MODULES="	kernel"
 REQUIRED_DEPENDENCIES="nfs-common aufs-tools squashfs-tools whois xfsprogs"
 REQUIRED_BINARIES="	bash
 			more
diff --git a/remote/setup_target b/remote/setup_target
index e004d8bd..c070f1fc 100755
--- a/remote/setup_target
+++ b/remote/setup_target
@@ -3,8 +3,6 @@
 MODE_DIR="${ROOT_DIR}/remote"
 MODULES_DIR="${MODE_DIR}/modules"
 
-KERNEL_DIR="${MODE_DIR}/builds/kernel"
-
 # Keep track of processed modules
 PROCESSED_MODULES=""
 
@@ -136,7 +134,7 @@ copy_files_with_deps () {
 generate_target() {
 
 	initial_checks
-	copy_kernel
+	#copy_kernel
 	
 	TARGET=$1 && shift
 	TARGET_DIR="${MODE_DIR}/targets/${TARGET}"
@@ -215,8 +213,8 @@ process_module() {
 		pinfo "## Building"
 		[ -e "${MODULE_DIR}/.built" ] || { build && touch "${MODULE_DIR}/.built"; }
 		# remove *.la files as they might confuse libtool/linker of other tool packages
-		find "${MODULE_BUILD_DIR}" -name '*.la' -exec rm -f {} \;
-		[ -d "$TARGET_BUILD_DIR" ] && TARGET_BUILD_SIZE=$(du -bc "${TARGET_BUILD_DIR}" | awk 'END {print $1}') || TARGET_BUILD_SIZE=0
+		[ -d "${MODULE_BUILD_DIR}" ] && find "${MODULE_BUILD_DIR}" -name '*.la' -exec rm -f {} \;
+		[ -d "${TARGET_BUILD_DIR}" ] && TARGET_BUILD_SIZE=$(du -bc "${TARGET_BUILD_DIR}" | awk 'END {print $1}') || TARGET_BUILD_SIZE=0
 		pinfo "## Copying files with dependencies"
 		copy_files_with_deps
 		pinfo "## Copying static module files"
diff --git a/remote/targets/stage31/kernel b/remote/targets/stage31/kernel
new file mode 120000
index 00000000..044f086d
--- /dev/null
+++ b/remote/targets/stage31/kernel
@@ -0,0 +1 @@
+../../modules/kernel
+\ No newline at end of file
diff --git a/remote/targets/stage32/kernel b/remote/targets/stage32/kernel
new file mode 120000
index 00000000..044f086d
--- /dev/null
+++ b/remote/targets/stage32/kernel
@@ -0,0 +1 @@
+../../modules/kernel
+\ No newline at end of file