yann@1345: # This file declares functions to install the kernel headers for linux yann@1345: # Copyright 2007 Yann E. MORIN yann@1345: # Licensed under the GPL v2. See COPYING in the root of this package yann@1345: yann@1345: CT_DoKernelTupleValues() { yann@1345: if [ "${CT_ARCH_USE_MMU}" = "y" ]; then yann@1345: CT_TARGET_KERNEL="linux" yann@1345: else thomas@1910: # Sometime, noMMU linux targets have a -uclinux tuple, while thomas@1910: # sometime it's -linux. We currently have only one noMMU linux thomas@1910: # target, and it uses -linux, so let's just use that. Time thomas@1910: # to fix that later... thomas@1910: # CT_TARGET_KERNEL="uclinux" thomas@1910: CT_TARGET_KERNEL="linux" yann@1345: fi yann@1345: } yann@1345: yann@1345: # Download the kernel yann@1345: do_kernel_get() { yann@1990: if [ "${CT_KERNEL_LINUX_INSTALL}" = "y" \ yann@1990: -a "${CT_KERNEL_LINUX_CUSTOM}" != "y" \ yann@1990: ]; then yann@1345: CT_GetFile "linux-${CT_KERNEL_VERSION}" \ yann@1345: {ftp,http}://ftp.{de.,eu.,}kernel.org/pub/linux/kernel/v2.{6{,/testing},4,2} yann@1345: fi yann@1345: } yann@1345: yann@1345: # Extract kernel yann@1345: do_kernel_extract() { yann@1990: local tar_opt yann@1989: if [ "${CT_KERNEL_LINUX_INSTALL}" = "y" ]; then yann@1990: if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" ]; then yann@1990: # We extract the custom linux tree into a directory with a yann@1990: # well-known name, and strip the leading directory component yann@1990: # of the extracted pathes. This is needed because we do not yann@1990: # know the value for this first component, because it is a yann@1990: # _custom_ tree. yann@1990: # Also, we have to protect from partial extraction using the yann@1990: # .extracting and .extracted locks (not using .patching and yann@1990: # .patched as we are *not* patching that kernel). yann@1990: yann@1990: if [ -e "${CT_SRC_DIR}/.linux-custom.extracted" ]; then yann@1990: CT_DoLog DEBUG "Custom linux kernel tree already extracted" yann@1990: return 0 yann@1990: fi yann@1990: yann@1990: CT_TestAndAbort "Custom kernel tree partially extracted. Remove before resuming" -f "${CT_SRC_DIR}/.linux-custom.extracting" yann@1990: CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.linux-custom.extracting" yann@1990: CT_DoExecLog DEBUG mkdir "${CT_SRC_DIR}/linux-custom" yann@1990: yann@1990: case "${CT_KERNEL_LINUX_CUSTOM_TARBALL}" in yann@1990: *.tar.bz2) tar_opt=-j;; yann@1990: *.tar.gz|*.tgz) tar_opt=-z;; yann@1990: *.tar) ;; yann@1990: *) CT_Abort "Don't know how to handle '${CT_KERNEL_LINUX_CUSTOM_TARBALL}': unknown extension";; yann@1990: esac yann@1990: CT_DoLog EXTRA "Extracting custom linux kernel" yann@1990: CT_DoExecLog ALL tar x -C "${CT_SRC_DIR}/linux-custom" \ yann@1990: --strip-components 1 -v ${tar_opt} \ yann@1990: -f "${CT_KERNEL_LINUX_CUSTOM_TARBALL}" yann@1990: yann@1990: CT_DoExecLog ALL mv -v "${CT_SRC_DIR}/.linux-custom.extracting" "${CT_SRC_DIR}/.linux-custom.extracted" yann@1990: else yann@1990: CT_Extract "linux-${CT_KERNEL_VERSION}" yann@1990: CT_Patch "linux" "${CT_KERNEL_VERSION}" yann@1990: fi yann@1345: fi yann@1345: } yann@1345: yann@1345: # Wrapper to the actual headers install method yann@1345: do_kernel_headers() { yann@1345: CT_DoStep INFO "Installing kernel headers" yann@1345: yann@1989: if [ "${CT_KERNEL_LINUX_INSTALL}" = "y" ]; then yann@1989: do_kernel_install yann@1989: else yann@1345: do_kernel_custom yann@1345: fi yann@1345: yann@1345: CT_EndStep yann@1345: } yann@1345: yann@1345: # Install kernel headers using headers_install from kernel sources. yann@1345: do_kernel_install() { yann@1990: local kernel_path yann@1990: yann@1345: CT_DoLog DEBUG "Using kernel's headers_install" yann@1345: yann@1345: mkdir -p "${CT_BUILD_DIR}/build-kernel-headers" yann@1345: yann@1990: kernel_path="${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}" yann@1990: if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" ]; then yann@1990: kernel_path="${CT_SRC_DIR}/linux-custom" yann@1990: fi yann@1345: V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}" yann@1345: yann@1345: CT_DoLog EXTRA "Installing kernel headers" yann@1345: CT_DoExecLog ALL \ yann@1990: make -C "${kernel_path}" \ yann@1990: O="${CT_BUILD_DIR}/build-kernel-headers" \ yann@1746: ARCH=${CT_ARCH} \ yann@1345: INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \ yann@1345: ${V_OPT} \ yann@1345: headers_install yann@1345: yann@1345: if [ "${CT_KERNEL_LINUX_INSTALL_CHECK}" = "y" ]; then yann@1345: CT_DoLog EXTRA "Checking installed headers" yann@1345: CT_DoExecLog ALL \ yann@1990: make -C "${kernel_path}" \ yann@1990: O="${CT_BUILD_DIR}/build-kernel-headers" \ yann@1746: ARCH=${CT_ARCH} \ yann@1345: INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \ yann@1345: ${V_OPT} \ yann@1345: headers_check yann@1345: fi bryanhundven@2228: bryanhundven@2228: # Cleanup bryanhundven@2228: find "${CT_SYSROOT_DIR}" -type f \ bryanhundven@2228: \( -name '.install' \ bryanhundven@2228: -o -name '..install.cmd' \ bryanhundven@2228: -o -name '.check' \ bryanhundven@2228: -o -name '..check.cmd' \ bryanhundven@2228: \) \ bryanhundven@2228: -exec rm {} \; yann@1345: } yann@1345: yann@1345: # Use custom headers (most probably by using make headers_install in a yann@1345: # modified (read: customised) kernel tree, or using pre-2.6.18 headers, such yann@1345: # as 2.4). In this case, simply copy the headers in place yann@1345: do_kernel_custom() { yann@1345: local tar_opt yann@1345: yann@1345: CT_DoLog EXTRA "Installing custom kernel headers" yann@1345: yann@1345: mkdir -p "${CT_SYSROOT_DIR}/usr" yann@1345: cd "${CT_SYSROOT_DIR}/usr" yann@1345: if [ "${CT_KERNEL_LINUX_CUSTOM_IS_TARBALL}" = "y" ]; then yann@1345: case "${CT_KERNEL_LINUX_CUSTOM_PATH}" in yann@1345: *.tar) ;; yann@1345: *.tgz) tar_opt=--gzip;; yann@1345: *.tar.gz) tar_opt=--gzip;; yann@1345: *.tar.bz2) tar_opt=--bzip2;; yann@1345: *.tar.lzma) tar_opt=--lzma;; yann@1345: esac yann@1345: CT_DoExecLog ALL tar x ${tar_opt} -vf ${CT_KERNEL_LINUX_CUSTOM_PATH} yann@1345: else yann@1345: CT_DoExecLog ALL cp -rv "${CT_KERNEL_LINUX_CUSTOM_PATH}/include" . yann@1345: fi yann@1345: }