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https://github.com/crosstool-ng/crosstool-ng.git
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993b4acec5
(fails at building GMP off the VCS because it needs to run bootstrap scripts) Signed-off-by: Alexey Neyman <stilor@att.net>
99 lines
3.7 KiB
Bash
99 lines
3.7 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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CT_Fetch LINUX
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}
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# Disable building relocs application - it needs <linux/types.h>
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# on the host, which may not be present on Cygwin or MacOS; it
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# needs <elf.h>, which again is not present on MacOS; and most
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# important, we don't need it to install the headers.
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# This is not done as a patch, since it varies from Linux version
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# to version - patching each particular Linux version would be
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# too cumbersome.
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linux_disable_build_relocs()
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{
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sed -i -r 's/(\$\(MAKE\) .* relocs)$/:/' arch/*/Makefile
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}
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# Extract kernel
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do_kernel_extract()
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{
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# TBD verify linux_disable_build_relocs is run
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CT_ExtractPatch LINUX linux_disable_build_relocs
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}
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# Install kernel headers using headers_install from kernel sources.
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do_kernel_headers() {
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local kernel_path
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local kernel_arch
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CT_DoStep INFO "Installing kernel headers"
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mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
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kernel_path="${CT_SRC_DIR}/linux"
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V_OPT="V=${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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BASH="$(which bash)" \
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HOSTCC="${CT_BUILD}-gcc" \
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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 "${kernel_path}" \
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BASH="$(which bash)" \
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HOSTCC="${CT_BUILD}-gcc" \
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CROSS_COMPILE="${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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