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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576#!/bin/sh# SPDX-License-Identifier: GPL-2.0-only
set -eu
destdir=${1}
is_enabled() { grep -q "^$1=y" include/config/auto.conf}
find_in_scripts() { find scripts \ \( -name atomic -o -name dtc -o -name kconfig -o -name package \) -prune -o \ ! -name unifdef -a ! -name mk_elfconfig -a \( -type f -o -type l \) -print}
mkdir -p "${destdir}"
( cd "${srctree}" echo Makefile find "arch/${SRCARCH}" -maxdepth 1 -name 'Makefile*' find "arch/${SRCARCH}" -name generated -prune -o -name include -type d -print find "arch/${SRCARCH}" -name Kbuild.platforms -o -name Platform find include \( -name config -o -name generated \) -prune -o \( -type f -o -type l \) -print find_in_scripts) | tar -c -f - -C "${srctree}" -T - | tar -xf - -C "${destdir}"
{ if is_enabled CONFIG_OBJTOOL; then echo tools/objtool/objtool fi
if is_enabled CONFIG_DEBUG_INFO_BTF_MODULES; then echo tools/bpf/resolve_btfids/resolve_btfids fi
echo Module.symvers echo "arch/${SRCARCH}/include/generated" echo include/config/auto.conf echo include/config/kernel.release echo include/generated find_in_scripts
if is_enabled CONFIG_GCC_PLUGINS; then find scripts/gcc-plugins -name '*.so' fi} | tar -c -f - -T - | tar -xf - -C "${destdir}"
# When ${CC} and ${HOSTCC} differ, rebuild host programs using ${CC}.## This caters to host programs that participate in Kbuild. objtool and# resolve_btfids are out of scope.if [ "${CC}" != "${HOSTCC}" ]; then cat "${destdir}/scripts/Makefile" - <<-'EOF' > "${destdir}/scripts/Kbuild" subdir-y += basic hostprogs-always-y += mod/modpost mod/modpost-objs := $(addprefix mod/, modpost.o file2alias.o sumversion.o symsearch.o) EOF
# HOSTCXX is not overridden. The C++ compiler is used to build: # - scripts/kconfig/qconf, which is unneeded for external module builds # - GCC plugins, which will not work on the installed system even after # being rebuilt. # # Clear VPATH and srcroot because the source files reside in the output # directory. # shellcheck disable=SC2016 # $(MAKE) and $(build) will be expanded by Make "${MAKE}" run-command KBUILD_RUN_COMMAND='+$(MAKE) HOSTCC="'"${CC}"'" VPATH= srcroot=. $(build)='"$(realpath --relative-to=. "${destdir}")"/scripts
rm -f "${destdir}/scripts/Kbuild"fi
find "${destdir}" \( -name '.*.cmd' -o -name '*.o' \) -delete