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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
#!/bin/sh
# Copyright 2018 Patrick J. Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
cd $(dirname $0) ; CWD=$(pwd)
PKGNAM=${PKGNAM:-kernel-source}
BUILD=${BUILD:-1}
NUMJOBS=${NUMJOBS:-" -j7 "}
TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM
# If a $VERSION is not passed to this script, use the newest linux-*.tar.xz
# found in this directory:
VERSION=${VERSION:-$(/bin/ls -t linux-*.tar.?z | head -n 1 | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
if ! /bin/ls linux-*.tar.?z 1> /dev/null 2> /dev/null ; then
echo "Error: kernel source not found. (/bin/ls linux-*.tar.?z)"
fi
# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
case "$(uname -m)" in
# Use uname -m for all archs:
*) ARCH=$(uname -m) ;;
esac
fi
# Kernel extraversion, such as "-smp" on 32-bit. There's usually no need to set
# this unless you're using something unusual. We use it to find which .config
# file to use, but we'll then use whatever CONFIG_LOCALVERSION is set to
# inside the .config.
LOCALVERSION=${LOCALVERSION:-""}
# If KERNEL_CONFIG (name of kernel .config file in ./kernel-configs to use)
# has not been passed to this script, then we will select one. We will prefer
# to use a generic, SMP-supporting .config with a version number exactly
# matching the kernel sources. But if there's no exact version match, we will
# start with the newest .config we can find that's of the appropriate type.
if [ -z "${KERNEL_CONFIG}" ]; then # figure out the best matching .config
if [ "$ARCH" = "x86_64" ]; then
CONFIG_SUFFIX=".x64"
fi
if [ -z "${LOCALVERSION}" ]; then
if echo $ARCH | grep -q -E "i?86$" ; then
# Default to SMP extraversion on 32-bit:
LOCALVERSION="-smp"
fi
fi
if [ -r "$CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}$LOCALVERSION${CONFIG_SUFFIX}" ]; then
# Exact match!
KERNEL_CONFIG="config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX}"
else # no exact match, so find newest with the same name:
FIND_MATCH="$(/bin/ls -t $CWD/kernel-configs/config-generic${LOCALVERSION}-*${LOCALVERSION}${CONFIG_SUFFIX} 2> /dev/null | head -n 1)"
if [ -r "${FIND_MATCH}" ]; then
KERNEL_CONFIG="$(basename ${FIND_MATCH})"
unset FIND_MATCH
else
echo "Error: no matching .config file could be found for this kernel. Tried:"
echo " $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} (not found)"
exit 1
fi
fi
else # We were given a name to use:
if [ ! -r "$CWD/kernel-configs/${KERNEL_CONFIG}" ]; then
echo "Error: specified kernel .config $CWD/kernel-configs/${KERNEL_CONFIG} was not found."
exit 1
fi
fi
# Set LOCALVERSION to the value found inside the .config:
LOCALVERSION="$(cat $CWD/kernel-configs/${KERNEL_CONFIG} | grep CONFIG_LOCALVERSION= | cut -f 2 -d = | tr -d \")"
# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
# We will have to extract and patch the kernel sources to find out the kernel version:
TEMPDIR=$(mktemp -d)
cd $TEMPDIR
tar xf $CWD/linux-${VERSION}.tar.?z || exit 1
cd linux*
if [ -d $CWD/patches-${VERSION} ]; then
zcat $CWD/patches-${VERSION}/*.gz | patch -p1 --backup --suffix=.orig 1> /dev/null 2> /dev/null || exit 1
fi
PACKAGE_VERSION=$(grep "^VERSION = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^PATCHLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^SUBLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev)$(grep "^EXTRAVERSION = " Makefile | rev | cut -f 1 -d ' ' | rev)
cd $CWD
rm -rf $TEMPDIR
echo "kernel-source-$(echo ${PACKAGE_VERSION} | tr - _)$(echo ${LOCALVERSION} | tr - _)-noarch-$BUILD.txz"
exit 0
fi
echo "Using kernel config: $CWD/kernel-configs/${KERNEL_CONFIG}"
sleep 1
rm -rf $PKG
mkdir -p $TMP $PKG
mkdir -p $PKG/usr/src
echo "Untarring $CWD/linux-${VERSION}.tar.?z in $PKG/usr/src..."
( cd $PKG/usr/src
tar xf $CWD/linux-${VERSION}.tar.?z || exit 1
echo "Making /usr/src/linux symlink..."
ln -sf linux-* linux
cd linux-*
if [ -d $CWD/patches-${VERSION} ]; then
echo "Applying kernel patches in $CWD/patches-${VERSION} and copying patches to $PKG/usr/src/linux-${VERSION}..."
zcat $CWD/patches-${VERSION}/*.gz | patch -p1 --verbose --backup --suffix=.orig || exit 1
cp -a $CWD/patches-${VERSION}/*.gz .
fi
echo "Copying $CWD/kernel-configs/${KERNEL_CONFIG} to .config..."
cp -a $CWD/kernel-configs/${KERNEL_CONFIG} .config
echo "Fixing permissions/ownership..."
chown -R root:root .
find . \
\( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
-exec chmod 755 {} \+ -o \
\( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
-exec chmod 644 {} \+
) || exit 1
# Kernel is now ready to configure. We will also build this kernel so that
# the installed kernel source package is fully configured, and building an
# out-of-tree module (such as the NVIDIA driver) won't require the user
# to build the kernel sources first.
( cd $PKG/usr/src/linux-${VERSION}
echo "Making oldconfig..."
make oldconfig
if [ ! -r $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX} ]; then
echo "Saving new .config as: $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX}"
cp -a .config $CWD/kernel-configs/config-generic${LOCALVERSION}-${VERSION}${LOCALVERSION}${CONFIG_SUFFIX}
fi
echo "Building kernel and modules (needed before clean for building NVIDIA to work)..."
make ${NUMJOBS} || exit 1
make ${NUMJOBS} modules || exit 1
echo "Cleaning up..."
make clean
# Make sure header files aren't missing...
make prepare
# Don't package the kernel in the sources:
find . -name "*Image" -exec rm "{}" \+
# No need for these:
rm -f .config.old .version
find . -name "*.cmd" -exec rm -f "{}" \+
rm .*.d
# Still some dotfiles laying around... probably fine though
) || exit 1
cd $PKG/usr/src/linux-${VERSION}
# Use the version number found in the Makefile in the package name. This is not
# always the same as the version in the source tarball's filename. For example,
# linux-4.14.tar.xz will have 4.14.0 as the version in the Makefile:
PACKAGE_VERSION=$(grep "^VERSION = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^PATCHLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev).$(grep "^SUBLEVEL = " Makefile | rev | cut -f 1 -d ' ' | rev)$(grep "^EXTRAVERSION = " Makefile | rev | cut -f 1 -d ' ' | rev)
mkdir $PKG/install
cat $CWD/slack-desc/slack-desc.kernel-source > $PKG/install/slack-desc
# Make the package:
cd $PKG
/sbin/makepkg -l y -c n $TMP/kernel-source-$(echo ${PACKAGE_VERSION} | tr - _)$(echo ${LOCALVERSION} | tr - _)-noarch-$BUILD.txz
|
