blob: 63b0a3364b720fe764320f505c0874f99f688049 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
fetch_source() {
# get the source according to the distro
if [ "x$PACKET_MANAGER" == "xapt" ]; then
pdebug "apt-ing kernel source"
apt-get install -y dpkg-dev || perror "Installing dpkg-dev failed."
apt-get source linux-image-${KERNEL_VERSION} || perror "Fetching kernel source failed."
[ -z "$(ls -d linux-*/)" ] && perror "Source directory not found."
[ ! -e ksrc ] && ln -s "$(ls -d linux-*/)" "ksrc"
elif [ "x$PACKET_MANAGER" == "xzypper" ]; then
pdebug "zypping kernel source"
zypper --no-refresh install -y kernel-source || perror "Fetching kernel source failed."
# find src directory
local SOURCE_DIR=$(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
# check for aufs
local RSL=$(find ksrc/ -type d -name aufs)
if [ -z "$RSL" ]; then
pinfo "aufs not found in kernel sources, patching it..."
patch_aufs
else
pinfo "aufs detected in kernel source :)"
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 "${TARGET_CONFIG_FILE}" ksrc/.config
# make kernel with the new config
cd ksrc || perror "Could not cd to ksrc, was the kernel source fetched properly?"
pinfo "Preparing kernel for new config ('make oldconfig')"
if [ "x$MLTK_QUIET" = "x1" ]; then
yes "" | make oldconfig || perror "make oldconfig failed"
else
make oldconfig || perror "make oldconfig failed"
fi
pinfo "Kompaliere kernel... (this will take some time)"
if gcc --version | grep "4\.7" && which distcc; then
pinfo "USING DISTCC"
make CC="distcc gcc-4.7" -j16 || perror "make failed"
else
# explicitly state number of cores here, as MAKEFLAGS seems to be overridden
make "-j$CPU_CORES" || perror "make failed"
fi
# install modules to build directory
pinfo "Installing kernel modules..."
if [ -d "${MODULE_BUILD_DIR}/lib/modules" ]; then
rm -r "${MODULE_BUILD_DIR}/lib/modules" || pwarning "Could not clean old modules"
fi
make INSTALL_MOD_PATH="${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 -E "^\s*$(echo "$CONFIG_PARAM_NAME" | escape_search)=" "$BASE_CONFIG_FILE")"
#echo "Process: $SEARCH_RESULT"
# analyse results
if [ "x$SEARCH_RESULT" == "x" ]; then
# no match, add it
sed -i -r "s/^\s*#.*\s$(echo "$CONFIG_PARAM_NAME" | escape_search)[^_A-Z0-9].*$//" "$TARGET_CONFIG_FILE"
echo "$WANTED_CONFIG" >> "$TARGET_CONFIG_FILE"
else
# match, change to our setting if they differ
if [ "x$SEARCH_RESULT" != "x$WANTED_CONFIG" ]; then
sed -i "s/$(echo "$SEARCH_RESULT" | escape_search)/$(echo "$WANTED_CONFIG" | escape_replace)/" "$TARGET_CONFIG_FILE"
fi
fi
done
}
# helper to patch aufs
patch_aufs() {
pinfo "Cloning aufs3 standalone git"
git clone git://aufs.git.sourceforge.net/gitroot/aufs/aufs3-standalone.git || perror "Cloning aufs3 failed."
# get the needed version
[ ! -z ${KERNEL_VERSION} ] && local NEEDED_BRANCH=$(echo $KERNEL_VERSION | awk -F "." '{print $1"."$2}') \
|| perror "KERNEL_VERSION not set, this should not happen!"
pinfo "Getting branch origin/$NEEDED_BRANCH"
cd aufs3-standalone/
git checkout origin/aufs$NEEDED_BRANCH
pinfo "Starting to patch..."
tar c include/linux/aufs_type.h Documentation fs | tar x -C ../ksrc
cd ../ksrc || perror "cd nicht geklappt: ../ksrc"
patch -p1 < ../aufs3-standalone/aufs3-kbuild.patch || perror "aufs3-standalone/aufs3-kbuild.patch failed"
patch -p1 < ../aufs3-standalone/aufs3-base.patch || perror "aufs3-standalone/aufs3-base.patch failed"
patch -p1 < ../aufs3-standalone/aufs3-proc_map.patch || perror "aufs3-standalone/aufs3-proc_map.patch failed"
cp ../aufs3-standalone/include/linux/aufs_type.h include/linux/
pinfo "Patched kernel source with aufs-${NEEDED_BRANCH}"
}
|
