# This file declares functions to install the kernel headers for linux # Copyright 2007 Yann E. MORIN # Licensed under the GPL v2. See COPYING in the root of this package CT_DoKernelTupleValues() { if [ "${CT_ARCH_USE_MMU}" = "y" ]; then CT_TARGET_KERNEL="linux" else # Some no-mmu linux targets requires a -uclinux tuple (like m68k/cf), # while others must have a -linux tuple. Other targets # should be added here when someone starts to care about them. case "${CT_ARCH}" in arm*) CT_TARGET_KERNEL="linux" ;; m68k) CT_TARGET_KERNEL="uclinux" ;; *) CT_Abort "Unsupported no-mmu arch '${CT_ARCH}'" esac fi } # Download the kernel do_kernel_get() { local k_ver local custom_name local rel_dir local korg_base mirror_base if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" ]; then CT_GetCustom "linux" "${CT_KERNEL_LINUX_CUSTOM_VERSION}" \ "${CT_KERNEL_LINUX_CUSTOM_LOCATION}" else # Not a custom tarball case "${CT_KERNEL_VERSION}" in 2.6.*.*|3.*.*|4.*.*) # 4-part versions (for 2.6 stables and long-terms), and # 3-part versions (for 3.x.y and 4.x.y stables and long-terms) # we need to trash the last digit k_ver="${CT_KERNEL_VERSION%.*}" ;; 2.6.*|3.*|4.*) # 3-part version (for 2.6.x initial releases), and 2-part # versions (for 3.x and 4.x initial releases), use all of it k_ver="${CT_KERNEL_VERSION}" ;; esac case "${CT_KERNEL_VERSION}" in 2.6.*) rel_dir=v2.6;; 3.*) rel_dir=v3.x;; 4.*) rel_dir=v4.x;; esac korg_base="http://www.kernel.org/pub/linux/kernel/${rel_dir}" CT_GetFile "linux-${CT_KERNEL_VERSION}" \ "${korg_base}" \ "${korg_base}/longterm/v${k_ver}" \ "${korg_base}/longterm" fi } # Extract kernel do_kernel_extract() { # If using a custom directory location, nothing to do if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" \ -a -d "${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}" ]; then return 0 fi # Otherwise, we're using either a mainstream tarball, or a custom # tarball; in either case, we need to extract CT_Extract "linux-${CT_KERNEL_VERSION}" # If using a custom tarball, no need to patch if [ "${CT_KERNEL_LINUX_CUSTOM}" = "y" ]; then return 0 fi CT_Patch "linux" "${CT_KERNEL_VERSION}" # Disable building relocs application - it needs # on the host, which may not be present on Cygwin or MacOS; it # needs , which again is not present on MacOS; and most # important, we don't need it to install the headers. # This is not done as a patch, since it varies from Linux version # to version - patching each particular Linux version would be # too cumbersome. CT_Pushd "${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}" sed -i -r 's/(\$\(MAKE\) .* relocs)$/:/' arch/*/Makefile CT_Popd } # Install kernel headers using headers_install from kernel sources. do_kernel_headers() { local kernel_path local kernel_arch CT_DoStep INFO "Installing kernel headers" mkdir -p "${CT_BUILD_DIR}/build-kernel-headers" kernel_path="${CT_SRC_DIR}/linux-${CT_KERNEL_VERSION}" V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}" kernel_arch="${CT_ARCH}" case "${CT_ARCH}:${CT_ARCH_BITNESS}" in # ARM 64 (aka AArch64) is special arm:64) kernel_arch="arm64";; esac CT_DoLog EXTRA "Installing kernel headers" CT_DoExecLog ALL \ make -C "${kernel_path}" \ CROSS_COMPILE="${CT_TARGET}-" \ O="${CT_BUILD_DIR}/build-kernel-headers" \ ARCH=${kernel_arch} \ INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \ ${V_OPT} \ headers_install if [ "${CT_KERNEL_LINUX_INSTALL_CHECK}" = "y" ]; then CT_DoLog EXTRA "Checking installed headers" CT_DoExecLog ALL \ make -C "${kernel_path}" \ CROSS_COMPILE="${CT_TARGET}-" \ O="${CT_BUILD_DIR}/build-kernel-headers" \ ARCH=${kernel_arch} \ INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \ ${V_OPT} \ headers_check fi # Cleanup find "${CT_SYSROOT_DIR}" -type f \ \( -name '.install' \ -o -name '..install.cmd' \ -o -name '.check' \ -o -name '..check.cmd' \ \) \ -exec rm {} \; CT_EndStep }