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