linux/scripts/package/install-extmod-build
Masahiro Yamada fe66b5d2ae kbuild: refactor kernel-devel RPM package and linux-headers Deb package
The kernel-devel RPM package and the linux-headers Debian package
provide headers and scripts needed for building external modules.

They copy the necessary files in slightly different ways - the RPM
copies almost everything except some exclude patterns, while the Debian
copies less number of files. There is no need to maintain different code
to do the same thing.

Split the Debian code out to scripts/package/install-extmod-build, which
is called from both of the packages.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2023-07-25 00:59:32 +09:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-only
set -e
destdir=${1}
test -n "${srctree}"
test -n "${SRCARCH}"
is_enabled() {
grep -q "^$1=y" include/config/auto.conf
}
mkdir -p "${destdir}"
(
cd "${srctree}"
echo Makefile
find "arch/${SRCARCH}" -maxdepth 1 -name 'Makefile*'
find include scripts -type f -o -type l
find "arch/${SRCARCH}" -name Kbuild.platforms -o -name Platform
find "$(find "arch/${SRCARCH}" -name include -o -name scripts -type d)" -type f
) | tar -c -f - -C "${srctree}" -T - | tar -xf - -C "${destdir}"
{
if is_enabled CONFIG_OBJTOOL; then
echo tools/objtool/objtool
fi
find "arch/${SRCARCH}/include" Module.symvers include scripts -type f
if is_enabled CONFIG_GCC_PLUGINS; then
find scripts/gcc-plugins -name '*.so'
fi
} | tar -c -f - -T - | tar -xf - -C "${destdir}"
# copy .config manually to be where it's expected to be
cp "${KCONFIG_CONFIG}" "${destdir}/.config"