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