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 [ "${CT_ARCH_USE_MMU}" = "y" ]; then
yann@1345:         CT_TARGET_KERNEL="linux"
yann@1345:     else
thomas@1910:     # Sometime, noMMU linux targets have a -uclinux tuple, while
thomas@1910:     # sometime it's -linux. We currently have only one noMMU linux
thomas@1910:     # target, and it uses -linux, so let's just use that. Time
thomas@1910:     # to fix that later...
thomas@1910:     #    CT_TARGET_KERNEL="uclinux"
thomas@1910:         CT_TARGET_KERNEL="linux"
yann@1345:     fi
yann@1345: }
yann@1345: 
yann@1345: # Download the kernel
yann@1345: do_kernel_get() {
yann@2264:     local k_ver
yann@2603:     local custom_name
yann@2603: 
yann@2603:     if [ "${CT_KERNEL_LINUX_USE_CUSTOM_HEADERS}" = "y"  ]; then
yann@2603:         return 0
yann@2603:     fi
yann@2603: 
yann@2603:     if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" ]; then
yann@2603:         # Wee need to know the custom tarball extension,
yann@2603:         # so we can cerate a properly-named symlink, which
yann@2603:         # we use later on in 'extract'
yann@2603:         case "${CT_KERNEL_LINUX_CUSTOM_TARBALL}" in
yann@2603:             *.tar.bz2)      custom_name="linux-custom.tar.bz2";;
yann@2603:             *.tar.gz|*.tgz) custom_name="linux-custom.tar.gz";;
yann@2603:             *.tar)          custom_name="linux-custom.tar";;
yann@2603:             *)  CT_Abort "Unknown extension for custom linux tarball '${CT_KERNEL_LINUX_CUSTOM_TARBALL}'";;
yann@2603:         esac
yann@2603:         CT_DoExecLog DEBUG ln -sf "${CT_KERNEL_LINUX_CUSTOM_TARBALL}"  \
yann@2615:                                   "${CT_TARBALLS_DIR}/${custom_name}"
yann@2603:     else # Not a custom tarball
yann@2264:         case "${CT_KERNEL_VERSION}" in
yann@2567:             2.6.*.*|3.*.*)
yann@2567:                 # 4-part versions (for 2.6 stables and long-terms), and
yann@2567:                 # 3-part versions (for 3.x.y stables and long-terms),
yann@2567:                 # we need to trash the last digit
yann@2264:                 k_ver="${CT_KERNEL_VERSION%.*}"
yann@2264:                 ;;
yann@2567:             2.6.*|3.*)
yann@2567:                 # 3-part version (for 2.6.x initial releases), and 2-part
yann@2567:                 # versions (for 3.x initial releases), use all of it
yann@2264:                 k_ver="${CT_KERNEL_VERSION}"
yann@2264:                 ;;
yann@2264:         esac
yann@2567:         CT_GetFile "linux-${CT_KERNEL_VERSION}"                                             \
yann@2567:                    http://ftp.{de.,eu.,}kernel.org/pub/linux/kernel/v2.6                    \
yann@2567:                    http://ftp.{de.,eu.,}kernel.org/pub/linux/kernel/v3.0                    \
yann@2567:                    http://ftp.{de.,eu.,}kernel.org/pub/linux/kernel/v2.6/longterm/v${k_ver} \
yann@2677:                    http://ftp.{de.,eu.,}kernel.org/pub/linux/kernel/v3.0/longterm/v${k_ver} \
yann@2677:                    http://ftp.free.fr/mirrors/ftp.kernel.org//linux/kernel/v2.6             \
yann@2677:                    http://ftp.free.fr/mirrors/ftp.kernel.org//linux/kernel/v3.0             \
yann@2677:                    http://ftp.free.fr/mirrors/ftp.kernel.org//linux/kernel/v2.6/longterm/v${k_ver}  \
yann@2677:                    http://ftp.free.fr/mirrors/ftp.kernel.org//linux/kernel/v3.0/longterm/v${k_ver}
yann@1345:     fi
yann@1345: }
yann@1345: 
yann@1345: # Extract kernel
yann@1345: do_kernel_extract() {
yann@2603:     if [ "${CT_KERNEL_LINUX_USE_CUSTOM_HEADERS}" = "y"  ]; then
yann@2603:         return 0
yann@1345:     fi
yann@2603:     # This also handles the custom tarball
yann@2603:     CT_Extract "linux-${CT_KERNEL_VERSION}"
yann@2603:     CT_Patch "linux" "${CT_KERNEL_VERSION}"
yann@1345: }
yann@1345: 
yann@1345: # Wrapper to the actual headers install method
yann@1345: do_kernel_headers() {
yann@1345:     CT_DoStep INFO "Installing kernel headers"
yann@1345: 
yann@2603:     if [ "${CT_KERNEL_LINUX_USE_CUSTOM_HEADERS}" = "y" ]; then
yann@2603:         do_kernel_custom
yann@2603:     else
yann@1989:         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@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:         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: }