yann@1337: # This file declares functions to install the kernel headers for linux
yann@1337: # Copyright 2007 Yann E. MORIN
yann@1337: # Licensed under the GPL v2. See COPYING in the root of this package
yann@1337: 
yann@1337: CT_DoKernelTupleValues() {
yann@1337:     # Nothing to do, keep the default value
yann@1337:     :
yann@1337: }
yann@1337: 
yann@1337: # Download the kernel
yann@1337: do_kernel_get() {
yann@1337:     if [ "${CT_KERNEL_LINUX_USE_CUSTOM_HEADERS}" != "y" ]; then
yann@1337:         CT_GetFile "linux-${CT_KERNEL_VERSION}" \
yann@1337:                    {ftp,http}://ftp.{de.,eu.,}kernel.org/pub/linux/kernel/v2.{6{,/testing},4,2}
yann@1337:     fi
yann@1337:     return 0
yann@1337: }
yann@1337: 
yann@1337: # Extract kernel
yann@1337: do_kernel_extract() {
yann@1337:     if [ "${CT_KERNEL_LINUX_USE_CUSTOM_HEADERS}" != "y" ]; then
yann@1337:         CT_Extract "linux-${CT_KERNEL_VERSION}"
yann@1337:         CT_Patch "linux-${CT_KERNEL_VERSION}"
yann@1337:     fi
yann@1337:     return 0
yann@1337: }
yann@1337: 
yann@1337: # Wrapper to the actual headers install method
yann@1337: do_kernel_headers() {
yann@1337:     CT_DoStep INFO "Installing kernel headers"
yann@1337: 
yann@1337:     if [ "${CT_KERNEL_LINUX_USE_CUSTOM_HEADERS}" = "y" ]; then
yann@1337:         do_kernel_custom
yann@1337:     else
yann@1337:         do_kernel_install
yann@1337:     fi
yann@1337: 
yann@1337:     CT_EndStep
yann@1337: }
yann@1337: 
yann@1337: # Install kernel headers using headers_install from kernel sources.
yann@1337: do_kernel_install() {
yann@1337:     CT_DoLog DEBUG "Using kernel's headers_install"
yann@1337: 
yann@1337:     mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
yann@1337:     cd "${CT_BUILD_DIR}/build-kernel-headers"
yann@1337: 
yann@1337:     # Only starting with 2.6.18 does headers_install is usable. We only
yann@1337:     # have 2.6 version available, so only test for sublevel.
yann@1337:     k_sublevel=$(awk '/^SUBLEVEL =/ { print $3 }' "${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}/Makefile")
yann@1337:     [ ${k_sublevel} -ge 18 ] || CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers."
yann@1337: 
yann@1337:     V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}"
yann@1337: 
yann@1337:     CT_DoLog EXTRA "Installing kernel headers"
yann@1337:     CT_DoExecLog ALL                                    \
yann@1337:     make -C "${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}"  \
yann@1337:          O=$(pwd)                                       \
yann@1337:          ARCH=${CT_KERNEL_ARCH}                         \
yann@1337:          INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr"       \
yann@1337:          ${V_OPT}                                       \
yann@1337:          headers_install
yann@1337: 
yann@1337:     if [ "${CT_KERNEL_LINUX_INSTALL_CHECK}" = "y" ]; then
yann@1337:         CT_DoLog EXTRA "Checking installed headers"
yann@1337:         CT_DoExecLog ALL                                    \
yann@1337:         make -C "${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}"  \
yann@1337:              O=$(pwd)                                       \
yann@1337:              ARCH=${CT_KERNEL_ARCH}                         \
yann@1337:              INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr"       \
yann@1337:              ${V_OPT}                                       \
yann@1337:              headers_check
yann@1337:         find "${CT_SYSROOT_DIR}" -type f -name '.check*' -exec rm {} \;
yann@1337:     fi
yann@1337: }
yann@1337: 
yann@1337: # Use custom headers (most probably by using make headers_install in a
yann@1337: # modified (read: customised) kernel tree, or using pre-2.6.18 headers, such
yann@1337: # as 2.4). In this case, simply copy the headers in place
yann@1337: do_kernel_custom() {
yann@1337:     local tar_opt
yann@1337: 
yann@1337:     CT_DoLog EXTRA "Installing custom kernel headers"
yann@1337: 
yann@1337:     mkdir -p "${CT_SYSROOT_DIR}/usr"
yann@1337:     cd "${CT_SYSROOT_DIR}/usr"
yann@1337:     if [ "${CT_KERNEL_LINUX_CUSTOM_IS_TARBALL}" = "y" ]; then
yann@1337:         case "${CT_KERNEL_LINUX_CUSTOM_PATH}" in
yann@1337:             *.tar)      ;;
yann@1337:             *.tgz)      tar_opt=--gzip;;
yann@1337:             *.tar.gz)   tar_opt=--gzip;;
yann@1337:             *.tar.bz2)  tar_opt=--bzip2;;
yann@1337:             *.tar.lzma) tar_opt=--lzma;;
yann@1337:         esac
yann@1337:         CT_DoExecLog ALL tar x ${tar_opt} -vf ${CT_KERNEL_LINUX_CUSTOM_PATH}
yann@1337:     else
yann@1337:         CT_DoExecLog ALL cp -rv "${CT_KERNEL_LINUX_CUSTOM_PATH}/include" .
yann@1337:     fi
yann@1337: }