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 [ "${CT_ARCH_USE_MMU}" = "y" ]; then
yann@1345:         CT_TARGET_KERNEL="linux"
yann@1345:     else
thomas@1910:     # Sometime, noMMU linux targets have a -uclinux tuple, while
thomas@1910:     # sometime it's -linux. We currently have only one noMMU linux
thomas@1910:     # target, and it uses -linux, so let's just use that. Time
thomas@1910:     # to fix that later...
thomas@1910:     #    CT_TARGET_KERNEL="uclinux"
thomas@1910:         CT_TARGET_KERNEL="linux"
yann@1345:     fi
yann@1345: }
yann@1345: 
yann@1345: # Download the kernel
yann@1345: do_kernel_get() {
yann@1345:     if [ "${CT_KERNEL_LINUX_USE_CUSTOM_HEADERS}" != "y" ]; then
yann@1345:         CT_GetFile "linux-${CT_KERNEL_VERSION}" \
yann@1345:                    {ftp,http}://ftp.{de.,eu.,}kernel.org/pub/linux/kernel/v2.{6{,/testing},4,2}
yann@1345:     fi
yann@1345:     return 0
yann@1345: }
yann@1345: 
yann@1345: # Extract kernel
yann@1345: do_kernel_extract() {
yann@1345:     if [ "${CT_KERNEL_LINUX_USE_CUSTOM_HEADERS}" != "y" ]; then
yann@1345:         CT_Extract "linux-${CT_KERNEL_VERSION}"
yann@1901:         CT_Patch "linux" "${CT_KERNEL_VERSION}"
yann@1345:     fi
yann@1345:     return 0
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@1345:     if [ "${CT_KERNEL_LINUX_USE_CUSTOM_HEADERS}" = "y" ]; then
yann@1345:         do_kernel_custom
yann@1345:     else
yann@1345:         do_kernel_install
yann@1345:     fi
yann@1345: 
yann@1345:     CT_EndStep
yann@1345: }
yann@1345: 
yann@1345: # Install kernel headers using headers_install from kernel sources.
yann@1345: do_kernel_install() {
yann@1345:     CT_DoLog DEBUG "Using kernel's headers_install"
yann@1345: 
yann@1345:     mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
yann@1345:     cd "${CT_BUILD_DIR}/build-kernel-headers"
yann@1345: 
yann@1345:     V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}"
yann@1345: 
yann@1345:     CT_DoLog EXTRA "Installing kernel headers"
yann@1345:     CT_DoExecLog ALL                                    \
yann@1345:     make -C "${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}"  \
yann@1345:          O=$(pwd)                                       \
yann@1746:          ARCH=${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@1345:         make -C "${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}"  \
yann@1345:              O=$(pwd)                                       \
yann@1746:              ARCH=${CT_ARCH}                                \
yann@1345:              INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr"       \
yann@1345:              ${V_OPT}                                       \
yann@1345:              headers_check
yann@1345:         find "${CT_SYSROOT_DIR}" -type f -name '.check*' -exec rm {} \;
yann@1345:     fi
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: }