1.1 --- a/scripts/build/kernel_linux.sh Fri Sep 05 16:15:34 2008 +0000
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,208 +0,0 @@
1.4 -# This file declares functions to install the kernel headers for linux
1.5 -# Copyright 2007 Yann E. MORIN
1.6 -# Licensed under the GPL v2. See COPYING in the root of this package
1.7 -
1.8 -do_print_filename() {
1.9 - [ "${CT_KERNEL}" = "linux" ] || return 0
1.10 - case "${CT_KERNEL_LINUX_HEADERS_SANITISED}" in
1.11 - y) echo "linux-libc-headers-${CT_KERNEL_VERSION}";;
1.12 - *) echo "linux-${CT_KERNEL_VERSION}";;
1.13 - esac
1.14 -}
1.15 -
1.16 -# Download the kernel
1.17 -do_kernel_get() {
1.18 - if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
1.19 - CT_GetFile "${CT_KERNEL_FILE}" \
1.20 - {ftp,http}://ftp.kernel.org/pub/linux/kernel/v2.{6{,/testing},4,2} \
1.21 - http://ep09.pld-linux.org/~mmazur/linux-libc-headers
1.22 - fi
1.23 - return 0
1.24 -}
1.25 -
1.26 -# Extract kernel
1.27 -do_kernel_extract() {
1.28 - if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
1.29 - CT_ExtractAndPatch "${CT_KERNEL_FILE}"
1.30 - fi
1.31 - return 0
1.32 -}
1.33 -
1.34 -# Check kernel configuration
1.35 -do_kernel_check_config() {
1.36 - # Only the copied or sanitised headers need a config file.
1.37 - # Pre-existing headers as well as headers_install don't.
1.38 - if [ "${CT_KERNEL_LINUX_NEEDS_CONFIG}" = "y" \
1.39 - -a \( -z "${CT_KERNEL_LINUX_CONFIG_FILE}" \
1.40 - -o ! -r "${CT_KERNEL_LINUX_CONFIG_FILE}" \
1.41 - \) \
1.42 - ]; then
1.43 - CT_DoLog WARN "You did not provide a kernel configuration file!"
1.44 - CT_DoLog WARN "I will try to generate one for you, but beware!"
1.45 -
1.46 - CT_DoStep INFO "Building a default configuration file for linux kernel"
1.47 -
1.48 - mkdir -p "${CT_BUILD_DIR}/build-kernel-defconfig"
1.49 - cd "${CT_BUILD_DIR}/build-kernel-defconfig"
1.50 - make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" O=$(pwd) \
1.51 - ARCH=${CT_KERNEL_ARCH} defconfig 2>&1 |CT_DoLog ALL
1.52 -
1.53 - CT_KERNEL_LINUX_CONFIG_FILE="$(pwd)/.config"
1.54 -
1.55 - CT_EndStep
1.56 - fi
1.57 -}
1.58 -
1.59 -# Wrapper to the actual headers install method
1.60 -do_kernel_headers() {
1.61 - CT_DoStep INFO "Installing kernel headers"
1.62 -
1.63 - # Special case when using pre-installed headers
1.64 - if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" = "y" ]; then
1.65 - do_kernel_preinstalled
1.66 - else
1.67 - # We need to enter this directory to find the kernel version strings
1.68 - cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
1.69 - if [ "${CT_KERNEL_LINUX_HEADERS_SANITISED}" != "y" ]; then
1.70 - k_version=$(awk '/^VERSION =/ { print $3 }' Makefile)
1.71 - k_patchlevel=$(awk '/^PATCHLEVEL =/ { print $3 }' Makefile)
1.72 - k_sublevel=$(awk '/^SUBLEVEL =/ { print $3 }' Makefile)
1.73 - k_extraversion=$(awk '/^EXTRAVERSION =/ { print $3 }' Makefile)
1.74 - else
1.75 - k_version=$(echo "${CT_KERNEL_VERSION}." |cut -d . -f 1)
1.76 - k_patchlevel=$(echo "${CT_KERNEL_VERSION}." |cut -d . -f 2)
1.77 - k_sublevel=$(echo "${CT_KERNEL_VERSION}." |cut -d . -f 3)
1.78 - k_extraversion=$(echo "${CT_KERNEL_VERSION}." |cut -d . -f 4)
1.79 - fi
1.80 -
1.81 - case "${k_version}.${k_patchlevel}" in
1.82 - 2.2|2.4|2.6) ;;
1.83 - *) CT_Abort "Unsupported kernel version 'linux-${k_version}.${k_patchlevel}'.";;
1.84 - esac
1.85 -
1.86 - # Kernel version that support verbosity will use this, others will ignore it:
1.87 - V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}"
1.88 -
1.89 - if [ "${CT_KERNEL_LINUX_HEADERS_INSTALL}" = "y" ]; then
1.90 - do_kernel_install
1.91 - elif [ "${CT_KERNEL_LINUX_HEADERS_SANITISED}" = "y" ]; then
1.92 - do_kernel_sanitised
1.93 - else [ "${CT_KERNEL_LINUX_HEADERS_COPY}" = "y" ];
1.94 - do_kernel_copy
1.95 - fi
1.96 - fi
1.97 -
1.98 - CT_EndStep
1.99 -}
1.100 -
1.101 -# Install kernel headers using headers_install from kernel sources.
1.102 -do_kernel_install() {
1.103 - CT_DoLog DEBUG "Using kernel's headers_install"
1.104 -
1.105 - mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
1.106 - cd "${CT_BUILD_DIR}/build-kernel-headers"
1.107 -
1.108 - case "${k_version}.${k_patchlevel}" in
1.109 - 2.6) [ ${k_sublevel} -ge 18 ] || CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers.";;
1.110 - *) CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers.";;
1.111 - esac
1.112 -
1.113 - CT_DoLog EXTRA "Installing kernel headers"
1.114 - CT_DoExecLog ALL \
1.115 - make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
1.116 - O=$(pwd) \
1.117 - ARCH=${CT_KERNEL_ARCH} \
1.118 - INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
1.119 - ${V_OPT} \
1.120 - headers_install
1.121 -
1.122 - if [ "${CT_KERNEL_LINUX_HEADERS_INSTALL_CHECK}" = "y" ]; then
1.123 - CT_DoLog EXTRA "Checking installed headers"
1.124 - CT_DoExecLog ALL \
1.125 - make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
1.126 - O=$(pwd) \
1.127 - ARCH=${CT_KERNEL_ARCH} \
1.128 - INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
1.129 - ${V_OPT} \
1.130 - headers_check
1.131 - find "${CT_SYSROOT_DIR}" -type f -name '.check*' -exec rm {} \;
1.132 - fi
1.133 -}
1.134 -
1.135 -# Install kernel headers from oldish Mazur's sanitised headers.
1.136 -do_kernel_sanitised() {
1.137 - CT_DoLog EXTRA "Copying sanitised headers"
1.138 - cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
1.139 - cp -rv include/linux "${CT_HEADERS_DIR}" 2>&1 |CT_DoLog ALL
1.140 - cp -rv "include/asm-${CT_KERNEL_ARCH}" "${CT_HEADERS_DIR}/asm" 2>&1 |CT_DoLog ALL
1.141 -}
1.142 -
1.143 -# Install kernel headers by plain copy.
1.144 -do_kernel_copy() {
1.145 - CT_DoLog DEBUG "Copying plain kernel headers"
1.146 - CT_DoLog WARN "You are using plain kernel headers. You really shouldn't do that."
1.147 - CT_DoLog WARN "You'd be better off by using installed headers (or sanitised headers)."
1.148 -
1.149 - # 2.2 and 2.4 don't support building out-of-tree. 2.6 does.
1.150 - CT_DoLog EXTRA "Preparing kernel headers"
1.151 - case "${k_version}.${k_patchlevel}" in
1.152 - 2.2|2.4) cd "${CT_SRC_DIR}/${CT_KERNEL_FILE}"
1.153 - cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
1.154 - CT_DoYes "" |make ARCH=${CT_KERNEL_ARCH} oldconfig
1.155 - # 2.4 doesn't follow V=# for verbosity... :-(
1.156 - make ARCH=${CT_KERNEL_ARCH} symlinks include/linux/version.h
1.157 - ;;
1.158 - 2.6) mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
1.159 - cd "${CT_BUILD_DIR}/build-kernel-headers"
1.160 - cp "${CT_KERNEL_LINUX_CONFIG_FILE}" .config
1.161 - CT_DoYes "" |make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
1.162 - O=$(pwd) ${V_OPT} ARCH=${CT_KERNEL_ARCH} \
1.163 - oldconfig
1.164 - case "${CT_KERNEL_ARCH}" in
1.165 - sh*) # sh does secret stuff in 'make prepare' that can't be
1.166 - # triggered separately, but happily, it doesn't use
1.167 - # target gcc, so we can use it.
1.168 - # Update: this fails on 2.6.11, as it installs
1.169 - # elfconfig.h, which requires target compiler :-(
1.170 - make ${PARALLELMFLAGS} \
1.171 - ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
1.172 - prepare include/linux/version.h
1.173 - ;;
1.174 - arm*|cris*) make ${PARALLELMFLAGS} \
1.175 - ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
1.176 - include/asm include/linux/version.h \
1.177 - include/asm-${CT_KERNEL_ARCH}/.arch
1.178 - ;;
1.179 - mips*) # for linux-2.6, 'make prepare' for mips doesn't
1.180 - # actually create any symlinks. Hope generic is ok.
1.181 - # Note that glibc ignores all -I flags passed in CFLAGS,
1.182 - # so you have to use -isystem.
1.183 - make ${PARALLELMFLAGS} \
1.184 - ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
1.185 - include/asm include/linux/version.h
1.186 - TARGET_CFLAGS="${TARGET_CFLAGS} -isystem ${LINUX_HEADER_DIR}/include/asm-mips/mach-generic"
1.187 - ;;
1.188 - *) make ${PARALLELMFLAGS} \
1.189 - ARCH=${CT_KERNEL_ARCH} ${V_OPT} \
1.190 - include/asm include/linux/version.h
1.191 - ;;
1.192 - esac
1.193 - ;;
1.194 - esac 2>&1 |CT_DoLog ALL
1.195 -
1.196 - CT_DoLog EXTRA "Copying kernel headers"
1.197 - cp -rv include/asm-generic "${CT_HEADERS_DIR}/asm-generic" 2>&1 |CT_DoLog ALL
1.198 - cp -rv include/linux "${CT_HEADERS_DIR}" 2>&1 |CT_DoLog ALL
1.199 - cp -rv include/asm-${CT_KERNEL_ARCH} "${CT_HEADERS_DIR}/asm" 2>&1 |CT_DoLog ALL
1.200 -}
1.201 -
1.202 -# Use preinstalled headers (most probably by using make headers_install in a
1.203 -# modified (read: customised) kernel tree). In this case, simply copy
1.204 -# the headers in place
1.205 -do_kernel_preinstalled() {
1.206 - CT_DoLog EXTRA "Copying preinstalled kernel headers"
1.207 -
1.208 - mkdir -p "${CT_SYSROOT_DIR}/usr"
1.209 - cd "${CT_KERNEL_LINUX_HEADERS_CUSTOM_DIR}"
1.210 - cp -rv include "${CT_SYSROOT_DIR}/usr" 2>&1 |CT_DoLog ALL
1.211 -}