yann@1
|
1 |
# This file declares functions to install the kernel headers for linux
|
yann@1
|
2 |
# Copyright 2007 Yann E. MORIN
|
yann@1
|
3 |
# Licensed under the GPL v2. See COPYING in the root of this package
|
yann@1
|
4 |
|
yann@161
|
5 |
do_print_filename() {
|
yann@161
|
6 |
[ "${CT_KERNEL}" = "linux" ] || return 0
|
yann@164
|
7 |
case "${CT_KERNEL_LINUX_HEADERS_SANITISED}" in
|
yann@164
|
8 |
y) echo "linux-libc-headers-${CT_KERNEL_VERSION}";;
|
yann@164
|
9 |
*) echo "linux-${CT_KERNEL_VERSION}";;
|
yann@164
|
10 |
esac
|
yann@161
|
11 |
}
|
yann@161
|
12 |
|
yann@63
|
13 |
# Download the kernel
|
yann@63
|
14 |
do_kernel_get() {
|
yann@63
|
15 |
if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
|
yann@486
|
16 |
CT_GetFile "${CT_KERNEL_FILE}" \
|
yann@486
|
17 |
{ftp,http}://ftp.kernel.org/pub/linux/kernel/v2.{6{,/testing},4,2} \
|
yann@63
|
18 |
http://ep09.pld-linux.org/~mmazur/linux-libc-headers
|
yann@63
|
19 |
fi
|
yann@63
|
20 |
return 0
|
yann@63
|
21 |
}
|
yann@63
|
22 |
|
yann@63
|
23 |
# Extract kernel
|
yann@63
|
24 |
do_kernel_extract() {
|
yann@63
|
25 |
if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
|
yann@63
|
26 |
CT_ExtractAndPatch "${CT_KERNEL_FILE}"
|
yann@63
|
27 |
fi
|
yann@63
|
28 |
return 0
|
yann@63
|
29 |
}
|
yann@63
|
30 |
|
yann@1
|
31 |
# Check kernel configuration
|
yann@1
|
32 |
do_kernel_check_config() {
|
yann@66
|
33 |
# Only the copied or sanitised headers need a config file.
|
yann@66
|
34 |
# Pre-existing headers as well as headers_install don't.
|
yann@66
|
35 |
if [ "${CT_KERNEL_LINUX_NEEDS_CONFIG}" = "y" \
|
yann@66
|
36 |
-a \( -z "${CT_KERNEL_LINUX_CONFIG_FILE}" \
|
yann@66
|
37 |
-o ! -r "${CT_KERNEL_LINUX_CONFIG_FILE}" \
|
yann@66
|
38 |
\) \
|
yann@66
|
39 |
]; then
|
yann@49
|
40 |
CT_DoLog WARN "You did not provide a kernel configuration file!"
|
yann@49
|
41 |
CT_DoLog WARN "I will try to generate one for you, but beware!"
|
yann@49
|
42 |
|
yann@49
|
43 |
CT_DoStep INFO "Building a default configuration file for linux kernel"
|
yann@49
|
44 |
|
yann@49
|
45 |
mkdir -p "${CT_BUILD_DIR}/build-kernel-defconfig"
|
yann@49
|
46 |
cd "${CT_BUILD_DIR}/build-kernel-defconfig"
|
yann@49
|
47 |
make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" O=`pwd` \
|
yann@78
|
48 |
ARCH=${CT_KERNEL_ARCH} defconfig 2>&1 |CT_DoLog ALL
|
yann@49
|
49 |
|
yann@49
|
50 |
CT_KERNEL_LINUX_CONFIG_FILE="`pwd`/.config"
|
yann@49
|
51 |
|
yann@49
|
52 |
CT_EndStep
|
yann@37
|
53 |
fi
|
yann@1
|
54 |
}
|
yann@1
|
55 |
|
yann@1
|
56 |
# Wrapper to the actual headers install method
|
yann@1
|
57 |
do_kernel_headers() {
|
yann@1
|
58 |
CT_DoStep INFO "Installing kernel headers"
|
yann@1
|
59 |
|
yann@37
|
60 |
# Special case when using pre-installed headers
|
yann@37
|
61 |
if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" = "y" ]; then
|
yann@37
|
62 |
do_kernel_preinstalled
|
yann@1
|
63 |
else
|
yann@37
|
64 |
# We need to enter this directory to find the kernel version strings
|
yann@37
|
65 |
cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
|
yann@37
|
66 |
if [ "${CT_KERNEL_LINUX_HEADERS_SANITISED}" != "y" ]; then
|
yann@37
|
67 |
k_version=`awk '/^VERSION =/ { print $3 }' Makefile`
|
yann@37
|
68 |
k_patchlevel=`awk '/^PATCHLEVEL =/ { print $3 }' Makefile`
|
yann@37
|
69 |
k_sublevel=`awk '/^SUBLEVEL =/ { print $3 }' Makefile`
|
yann@37
|
70 |
k_extraversion=`awk '/^EXTRAVERSION =/ { print $3 }' Makefile`
|
yann@37
|
71 |
else
|
yann@37
|
72 |
k_version=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 1`
|
yann@37
|
73 |
k_patchlevel=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 2`
|
yann@37
|
74 |
k_sublevel=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 3`
|
yann@37
|
75 |
k_extraversion=`echo "${CT_KERNEL_VERSION}." |cut -d . -f 4`
|
yann@37
|
76 |
fi
|
yann@1
|
77 |
|
yann@37
|
78 |
case "${k_version}.${k_patchlevel}" in
|
yann@37
|
79 |
2.2|2.4|2.6) ;;
|
yann@37
|
80 |
*) CT_Abort "Unsupported kernel version \"linux-${k_version}.${k_patchlevel}\".";;
|
yann@37
|
81 |
esac
|
yann@1
|
82 |
|
yann@37
|
83 |
# Kernel version that support verbosity will use this, others will ignore it:
|
yann@37
|
84 |
V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}"
|
yann@1
|
85 |
|
yann@37
|
86 |
if [ "${CT_KERNEL_LINUX_HEADERS_INSTALL}" = "y" ]; then
|
yann@37
|
87 |
do_kernel_install
|
yann@37
|
88 |
elif [ "${CT_KERNEL_LINUX_HEADERS_SANITISED}" = "y" ]; then
|
yann@37
|
89 |
do_kernel_sanitised
|
yann@37
|
90 |
else [ "${CT_KERNEL_LINUX_HEADERS_COPY}" = "y" ];
|
yann@37
|
91 |
do_kernel_copy
|
yann@37
|
92 |
fi
|
yann@1
|
93 |
fi
|
yann@1
|
94 |
|
yann@1
|
95 |
CT_EndStep
|
yann@1
|
96 |
}
|
yann@1
|
97 |
|
yann@1
|
98 |
# Install kernel headers using headers_install from kernel sources.
|
yann@1
|
99 |
do_kernel_install() {
|
yann@78
|
100 |
CT_DoLog DEBUG "Using kernel's headers_install"
|
yann@1
|
101 |
|
yann@1
|
102 |
mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
|
yann@1
|
103 |
cd "${CT_BUILD_DIR}/build-kernel-headers"
|
yann@1
|
104 |
|
yann@1
|
105 |
case "${k_version}.${k_patchlevel}" in
|
yann@1
|
106 |
2.6) [ ${k_sublevel} -ge 18 ] || CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers.";;
|
yann@1
|
107 |
*) CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers.";;
|
yann@1
|
108 |
esac
|
yann@1
|
109 |
|
yann@1
|
110 |
CT_DoLog EXTRA "Installing kernel headers"
|
yann@64
|
111 |
make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
|
yann@64
|
112 |
O="`pwd`" \
|
yann@64
|
113 |
ARCH=${CT_KERNEL_ARCH} \
|
yann@1
|
114 |
INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
|
yann@1
|
115 |
${V_OPT} \
|
yann@78
|
116 |
headers_install 2>&1 |CT_DoLog ALL
|
yann@1
|
117 |
|
yann@199
|
118 |
if [ "${CT_KERNEL_LINUX_HEADERS_INSTALL_CHECK}" = "y" ]; then
|
yann@199
|
119 |
CT_DoLog EXTRA "Checking installed headers"
|
yann@199
|
120 |
make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
|
yann@199
|
121 |
O="`pwd`" \
|
yann@199
|
122 |
ARCH=${CT_KERNEL_ARCH} \
|
yann@199
|
123 |
INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
|
yann@199
|
124 |
${V_OPT} \
|
yann@199
|
125 |
headers_check 2>&1 |CT_DoLog ALL
|
yann@199
|
126 |
find "${CT_SYSROOT_DIR}" -type f -name '.check*' -exec rm {} \;
|
yann@199
|
127 |
fi
|
yann@1
|
128 |
}
|
yann@1
|
129 |
|
yann@1
|
130 |
# Install kernel headers from oldish Mazur's sanitised headers.
|
yann@1
|
131 |
do_kernel_sanitised() {
|
yann@1
|
132 |
CT_DoLog EXTRA "Copying sanitised headers"
|
yann@1
|
133 |
cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
|
yann@78
|
134 |
cp -rv include/linux "${CT_HEADERS_DIR}" 2>&1 |CT_DoLog ALL
|
yann@78
|
135 |
cp -rv "include/asm-${CT_KERNEL_ARCH}" "${CT_HEADERS_DIR}/asm" 2>&1 |CT_DoLog ALL
|
yann@1
|
136 |
}
|
yann@1
|
137 |
|
yann@1
|
138 |
# Install kernel headers by plain copy.
|
yann@1
|
139 |
do_kernel_copy() {
|
yann@78
|
140 |
CT_DoLog DEBUG "Copying plain kernel headers"
|
yann@1
|
141 |
CT_DoLog WARN "You are using plain kernel headers. You really shouldn't do that."
|
yann@1
|
142 |
CT_DoLog WARN "You'd be better off by using installed headers (or sanitised headers)."
|
yann@1
|
143 |
|
yann@1
|
144 |
# 2.2 and 2.4 don't support building out-of-tree. 2.6 does.
|
yann@1
|
145 |
CT_DoLog EXTRA "Preparing kernel headers"
|
yann@1
|
146 |
case "${k_version}.${k_patchlevel}" in
|
yann@1
|
147 |
2.2|2.4) cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
|
yann@1
|
148 |
cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
|
yann@1
|
149 |
CT_DoYes "" |make ARCH=${CT_KERNEL_ARCH} oldconfig
|
yann@1
|
150 |
# 2.4 doesn't follow V=# for verbosity... :-(
|
yann@1
|
151 |
make ARCH=${CT_KERNEL_ARCH} symlinks include/linux/version.h
|
yann@1
|
152 |
;;
|
yann@1
|
153 |
2.6) mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
|
yann@1
|
154 |
cd "${CT_BUILD_DIR}/build-kernel-headers"
|
yann@1
|
155 |
cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
|
yann@1
|
156 |
CT_DoYes "" |make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
|
yann@1
|
157 |
O="`pwd`" ${V_OPT} ARCH=${CT_KERNEL_ARCH} \
|
yann@1
|
158 |
oldconfig
|
yann@1
|
159 |
case "${CT_KERNEL_ARCH}" in
|
yann@1
|
160 |
sh*) # sh does secret stuff in 'make prepare' that can't be
|
yann@1
|
161 |
# triggered separately, but happily, it doesn't use
|
yann@1
|
162 |
# target gcc, so we can use it.
|
yann@1
|
163 |
# Update: this fails on 2.6.11, as it installs
|
yann@1
|
164 |
# elfconfig.h, which requires target compiler :-(
|
yann@1
|
165 |
make ${PARALLELMFLAGS} \
|
yann@1
|
166 |
ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
|
yann@1
|
167 |
prepare include/linux/version.h
|
yann@1
|
168 |
;;
|
yann@1
|
169 |
arm*|cris*) make ${PARALLELMFLAGS} \
|
yann@1
|
170 |
ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
|
yann@1
|
171 |
include/asm include/linux/version.h \
|
yann@1
|
172 |
include/asm-${CT_KERNEL_ARCH}/.arch
|
yann@1
|
173 |
;;
|
yann@1
|
174 |
mips*) # for linux-2.6, 'make prepare' for mips doesn't
|
yann@1
|
175 |
# actually create any symlinks. Hope generic is ok.
|
yann@1
|
176 |
# Note that glibc ignores all -I flags passed in CFLAGS,
|
yann@1
|
177 |
# so you have to use -isystem.
|
yann@1
|
178 |
make ${PARALLELMFLAGS} \
|
yann@1
|
179 |
ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
|
yann@1
|
180 |
include/asm include/linux/version.h
|
yann@1
|
181 |
TARGET_CFLAGS="${TARGET_CFLAGS} -isystem ${LINUX_HEADER_DIR}/include/asm-mips/mach-generic"
|
yann@1
|
182 |
;;
|
yann@1
|
183 |
*) make ${PARALLELMFLAGS} \
|
yann@1
|
184 |
ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
|
yann@1
|
185 |
include/asm include/linux/version.h
|
yann@1
|
186 |
;;
|
yann@1
|
187 |
esac
|
yann@1
|
188 |
;;
|
yann@78
|
189 |
esac 2>&1 |CT_DoLog ALL
|
yann@1
|
190 |
|
yann@1
|
191 |
CT_DoLog EXTRA "Copying kernel headers"
|
yann@78
|
192 |
cp -rv include/asm-generic "${CT_HEADERS_DIR}/asm-generic" 2>&1 |CT_DoLog ALL
|
yann@78
|
193 |
cp -rv include/linux "${CT_HEADERS_DIR}" 2>&1 |CT_DoLog ALL
|
yann@78
|
194 |
cp -rv include/asm-${CT_KERNEL_ARCH} "${CT_HEADERS_DIR}/asm" 2>&1 |CT_DoLog ALL
|
yann@1
|
195 |
}
|
yann@37
|
196 |
|
yann@37
|
197 |
# Use preinstalled headers (most probably by using make headers_install in a
|
yann@37
|
198 |
# modified (read: customised) kernel tree). In this case, simply copy
|
yann@37
|
199 |
# the headers in place
|
yann@37
|
200 |
do_kernel_preinstalled() {
|
yann@37
|
201 |
CT_DoLog EXTRA "Copying preinstalled kernel headers"
|
yann@37
|
202 |
|
yann@37
|
203 |
mkdir -p "${CT_SYSROOT_DIR}/usr"
|
yann@37
|
204 |
cd "${CT_KERNEL_LINUX_HEADERS_CUSTOM_DIR}"
|
yann@78
|
205 |
cp -rv include "${CT_SYSROOT_DIR}/usr" 2>&1 |CT_DoLog ALL
|
yann@37
|
206 |
}
|