yann@1: # This file declares functions to install the kernel headers for linux
yann@1: # Copyright 2007 Yann E. MORIN
yann@1: # Licensed under the GPL v2. See COPYING in the root of this package
yann@1: 
yann@161: do_print_filename() {
yann@161:     [ "${CT_KERNEL}" = "linux" ] || return 0
yann@847:     echo "linux-${CT_KERNEL_VERSION}"
yann@161: }
yann@161: 
yann@63: # Download the kernel
yann@63: do_kernel_get() {
yann@63:     if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
yann@847:         CT_GetFile "${CT_KERNEL_FILE}" {ftp,http}://ftp.kernel.org/pub/linux/kernel/v2.{6{,/testing},4,2}
yann@63:     fi
yann@63:     return 0
yann@63: }
yann@63: 
yann@63: # Extract kernel
yann@63: do_kernel_extract() {
yann@63:     if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" != "y" ]; then
yann@63:         CT_ExtractAndPatch "${CT_KERNEL_FILE}"
yann@63:     fi
yann@63:     return 0
yann@63: }
yann@63: 
yann@1: # Wrapper to the actual headers install method
yann@1: do_kernel_headers() {
yann@1:     CT_DoStep INFO "Installing kernel headers"
yann@1: 
yann@37:     if [ "${CT_KERNEL_LINUX_HEADERS_USE_CUSTOM_DIR}" = "y" ]; then
yann@37:         do_kernel_preinstalled
yann@1:     else
yann@847:         do_kernel_install
yann@1:     fi
yann@1: 
yann@1:     CT_EndStep
yann@1: }
yann@1: 
yann@1: # Install kernel headers using headers_install from kernel sources.
yann@1: do_kernel_install() {
yann@78:     CT_DoLog DEBUG "Using kernel's headers_install"
yann@1: 
yann@1:     mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
yann@1:     cd "${CT_BUILD_DIR}/build-kernel-headers"
yann@1: 
yann@847:     # Only starting with 2.6.18 does headers_install is usable. We only
yann@847:     # have 2.6 version available, so only test for sublevel.
yann@847:     k_sublevel=$(awk '/^SUBLEVEL =/ { print $3 }' "${CT_SRC_DIR}/${CT_KERNEL_FILE}/Makefile")
yann@847:     [ ${k_sublevel} -ge 18 ] || CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers."
yann@847: 
yann@847:     V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}"
yann@1: 
yann@1:     CT_DoLog EXTRA "Installing kernel headers"
yann@654:     CT_DoExecLog ALL                                \
yann@64:     make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}"       \
yann@523:          O=$(pwd)                                   \
yann@64:          ARCH=${CT_KERNEL_ARCH}                     \
yann@1:          INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr"   \
yann@1:          ${V_OPT}                                   \
yann@654:          headers_install
yann@1: 
yann@199:     if [ "${CT_KERNEL_LINUX_HEADERS_INSTALL_CHECK}" = "y" ]; then
yann@199:         CT_DoLog EXTRA "Checking installed headers"
yann@654:         CT_DoExecLog ALL                                \
yann@199:         make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}"       \
yann@523:              O=$(pwd)                                   \
yann@199:              ARCH=${CT_KERNEL_ARCH}                     \
yann@199:              INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr"   \
yann@199:              ${V_OPT}                                   \
yann@654:              headers_check
yann@199:         find "${CT_SYSROOT_DIR}" -type f -name '.check*' -exec rm {} \;
yann@199:     fi
yann@1: }
yann@1: 
yann@37: # Use preinstalled headers (most probably by using make headers_install in a
yann@847: # modified (read: customised) kernel tree, or using pre-2.6.18 headers, such
yann@847: # as 2.4). In this case, simply copy the headers in place
yann@37: do_kernel_preinstalled() {
yann@37:     CT_DoLog EXTRA "Copying preinstalled kernel headers"
yann@37: 
yann@37:     mkdir -p "${CT_SYSROOT_DIR}/usr"
yann@37:     cd "${CT_KERNEL_LINUX_HEADERS_CUSTOM_DIR}"
yann@78:     cp -rv include "${CT_SYSROOT_DIR}/usr" 2>&1 |CT_DoLog ALL
yann@37: }