Skip to content

Instantly share code, notes, and snippets.

What would you like to do?
Script to generate /lib/modules/`uname -r`/build directory
#!/bin/bash -e
# Extracted from:
set -x
ARCH=$(uname -m)
KARCH=x86 # applies to x86_64 too (change for arm, etc.)
_kernver=$(make kernelversion)$(git diff-index --quiet HEAD -- || echo "+")
echo "installing to ${_builddir}"
sleep 2
rm ${pkgdir}/lib/modules/${_kernver}/{source,build} || true
mkdir -p "${_builddir}"
# install documentation
cp -t "${_builddir}" -a Documentation
install -Dm644 vmlinux ${pkgdir}/usr/lib/modules/${_kernver}/build/vmlinux
install -Dt "${_builddir}" -m644 Makefile .config Module.symvers
install -Dt "${_builddir}/kernel" -m644 kernel/Makefile
mkdir "${_builddir}/.tmp_versions"
cp -t "${_builddir}" -a include scripts
install -Dt "${_builddir}/arch/${KARCH}" -m644 arch/${KARCH}/Makefile
install -Dt "${_builddir}/arch/${KARCH}/kernel" -m644 arch/${KARCH}/kernel/asm-offsets.s
if [[ ${CARCH} = i686 ]]; then
install -t "${_builddir}/arch/${KARCH}" -m644 arch/${KARCH}/Makefile_32.cpu
cp -t "${_builddir}/arch/${KARCH}" -a arch/${KARCH}/include
install -Dt "${_builddir}/drivers/md" -m644 drivers/md/*.h
install -Dt "${_builddir}/net/mac80211" -m644 net/mac80211/*.h
install -Dt "${_builddir}/drivers/media/dvb-core" -m644 drivers/media/dvb-core/*.h
install -Dt "${_builddir}/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/lgdt330x.h
install -Dt "${_builddir}/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
install -Dt "${_builddir}/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
install -Dt "${_builddir}/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
install -Dt "${_builddir}/drivers/media/tuners" -m644 drivers/media/tuners/*.h
# add xfs and shmem for aufs building
mkdir -p "${_builddir}"/{fs/xfs,mm}
# copy in Kconfig files
find . -name Kconfig\* -exec install -Dm644 {} "${_builddir}/{}" \;
# add objtool for external module building and enabled VALIDATION_STACK option
if [[ -e tools/objtool/objtool ]]; then
install -Dt "${_builddir}/tools/objtool" tools/objtool/objtool
# remove unneeded architectures
for _arch in "${_builddir}"/arch/*/; do
if [[ ${_arch} != */${KARCH}/ ]]; then
rm -r "${_arch}"
# remove files already in linux-docs package
rm -r "${_builddir}/Documentation"
# Fix permissions
chmod -R u=rwX,go=rX "${_builddir}"
# strip scripts directory
while read -rd '' _binary; do
case "$(file -bi "${_binary}")" in
*application/x-sharedlib*) _strip="${STRIP_SHARED}" ;; # Libraries (.so)
*application/x-archive*) _strip="${STRIP_STATIC}" ;; # Libraries (.a)
*application/x-executable*) _strip="${STRIP_BINARIES}" ;; # Binaries
*) continue ;;
/usr/bin/strip ${_strip} "${_binary}"
done < <(find "${_builddir}/scripts" -type f -perm -u+w -print0 2>/dev/null)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.