# This file declares functions to install the kernel headers for linux # Copyright 2007 Yann E. MORIN # Licensed under the GPL v2. See COPYING in the root of this package CT_DoKernelTupleValues() { if [ "${CT_ARCH_USE_MMU}" = "y" ]; then CT_TARGET_KERNEL="linux" else # Sometime, noMMU linux targets have a -uclinux tuple, while # sometime it's -linux. We currently have only one noMMU linux # target, and it uses -linux, so let's just use that. Time # to fix that later... # CT_TARGET_KERNEL="uclinux" CT_TARGET_KERNEL="linux" fi } # Download the kernel do_kernel_get() { local k_ver if [ "${CT_KERNEL_LINUX_INSTALL}" = "y" \ -a "${CT_KERNEL_LINUX_CUSTOM}" != "y" \ ]; then case "${CT_KERNEL_VERSION}" in ?*.?*.?*.?*) # 4-part version, we need only first three digits k_ver="${CT_KERNEL_VERSION%.*}" ;; *) # 3-part version, use all of it k_ver="${CT_KERNEL_VERSION}" ;; esac CT_GetFile "linux-${CT_KERNEL_VERSION}" \ http://ftp.{de.,eu.,}kernel.org/pub/linux/kernel/v2.6 \ http://ftp.{de.,eu.,}kernel.org/pub/linux/kernel/v2.6/longterm/v${k_ver} fi } # Extract kernel do_kernel_extract() { local tar_opt if [ "${CT_KERNEL_LINUX_INSTALL}" = "y" ]; then if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" ]; then # We extract the custom linux tree into a directory with a # well-known name, and strip the leading directory component # of the extracted pathes. This is needed because we do not # know the value for this first component, because it is a # _custom_ tree. # Also, we have to protect from partial extraction using the # .extracting and .extracted locks (not using .patching and # .patched as we are *not* patching that kernel). if [ -e "${CT_SRC_DIR}/.linux-custom.extracted" ]; then CT_DoLog DEBUG "Custom linux kernel tree already extracted" return 0 fi CT_TestAndAbort "Custom kernel tree partially extracted. Remove before resuming" -f "${CT_SRC_DIR}/.linux-custom.extracting" CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.linux-custom.extracting" CT_DoExecLog DEBUG mkdir "${CT_SRC_DIR}/linux-custom" case "${CT_KERNEL_LINUX_CUSTOM_TARBALL}" in *.tar.bz2) tar_opt=-j;; *.tar.gz|*.tgz) tar_opt=-z;; *.tar) ;; *) CT_Abort "Don't know how to handle '${CT_KERNEL_LINUX_CUSTOM_TARBALL}': unknown extension";; esac CT_DoLog EXTRA "Extracting custom linux kernel" CT_DoExecLog ALL tar x -C "${CT_SRC_DIR}/linux-custom" \ --strip-components 1 -v ${tar_opt} \ -f "${CT_KERNEL_LINUX_CUSTOM_TARBALL}" CT_DoExecLog ALL mv -v "${CT_SRC_DIR}/.linux-custom.extracting" "${CT_SRC_DIR}/.linux-custom.extracted" else CT_Extract "linux-${CT_KERNEL_VERSION}" CT_Patch "linux" "${CT_KERNEL_VERSION}" fi fi } # Wrapper to the actual headers install method do_kernel_headers() { CT_DoStep INFO "Installing kernel headers" if [ "${CT_KERNEL_LINUX_INSTALL}" = "y" ]; then do_kernel_install else do_kernel_custom fi CT_EndStep } # Install kernel headers using headers_install from kernel sources. do_kernel_install() { local kernel_path CT_DoLog DEBUG "Using kernel's headers_install" mkdir -p "${CT_BUILD_DIR}/build-kernel-headers" kernel_path="${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}" if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" ]; then kernel_path="${CT_SRC_DIR}/linux-custom" fi V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}" CT_DoLog EXTRA "Installing kernel headers" CT_DoExecLog ALL \ make -C "${kernel_path}" \ O="${CT_BUILD_DIR}/build-kernel-headers" \ ARCH=${CT_ARCH} \ INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \ ${V_OPT} \ headers_install if [ "${CT_KERNEL_LINUX_INSTALL_CHECK}" = "y" ]; then CT_DoLog EXTRA "Checking installed headers" CT_DoExecLog ALL \ make -C "${kernel_path}" \ O="${CT_BUILD_DIR}/build-kernel-headers" \ ARCH=${CT_ARCH} \ INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \ ${V_OPT} \ headers_check fi # Cleanup find "${CT_SYSROOT_DIR}" -type f \ \( -name '.install' \ -o -name '..install.cmd' \ -o -name '.check' \ -o -name '..check.cmd' \ \) \ -exec rm {} \; } # Use custom headers (most probably by using make headers_install in a # modified (read: customised) kernel tree, or using pre-2.6.18 headers, such # as 2.4). In this case, simply copy the headers in place do_kernel_custom() { local tar_opt CT_DoLog EXTRA "Installing custom kernel headers" mkdir -p "${CT_SYSROOT_DIR}/usr" cd "${CT_SYSROOT_DIR}/usr" if [ "${CT_KERNEL_LINUX_CUSTOM_IS_TARBALL}" = "y" ]; then case "${CT_KERNEL_LINUX_CUSTOM_PATH}" in *.tar) ;; *.tgz) tar_opt=--gzip;; *.tar.gz) tar_opt=--gzip;; *.tar.bz2) tar_opt=--bzip2;; *.tar.lzma) tar_opt=--lzma;; esac CT_DoExecLog ALL tar x ${tar_opt} -vf ${CT_KERNEL_LINUX_CUSTOM_PATH} else CT_DoExecLog ALL cp -rv "${CT_KERNEL_LINUX_CUSTOM_PATH}/include" . fi }