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+# Contributor: graysky <graysky AT archlinux DOT us>
+# Contributor: Tobias Powalowski <tpowa@archlinux.org>
+# Contributor: Thomas Baechler <thomas@archlinux.org>
+
+### BUILD OPTIONS
+# Set these variables to ANYTHING that is not null to enable them
+
+# Tweak kernel options prior to a build via nconfig
+_makenconfig=
+
+# Running with a 1000 HZ tick rate (vs the ARCH 300) is reported to solve the
+# issues with the bfs/linux 3.1x and suspend. For more see:
+# http://ck-hack.blogspot.com/2013/09/bfs-0441-311-ck1.html?showComment=1378756529345#c5266548105449573343
+_1k_HZ_ticks=y
+
+### Do not disable NUMA until CK figures out why doing so causes panics for
+### some users!
+# NUMA is optimized for multi-socket motherboards.
+# A single multi-core CPU actually runs slower with NUMA enabled.
+# See, https://bugs.archlinux.org/task/31187
+#_NUMAdisable=
+
+# Compile ONLY probed modules
+# As of mainline 2.6.32, running with this option will only build the modules
+# that you currently have probed in your system VASTLY reducing the number of
+# modules built and the build time to do it.
+#
+# WARNING - ALL modules must be probed BEFORE you begin making the pkg!
+#
+# To keep track of which modules are needed for your specific system/hardware,
+# give module_db script a try: https://aur.archlinux.org/packages/modprobed-db
+# This PKGBUILD will call it directly to probe all the modules you have logged!
+#
+# More at this wiki page ---> https://wiki.archlinux.org/index.php/Modprobed-db
+_localmodcfg=
+
+# Use the current kernel's .config file
+# Enabling this option will use the .config of the RUNNING kernel rather than
+# the ARCH defaults. Useful when the package gets updated and you already went
+# through the trouble of customizing your config options.  NOT recommended when
+# a new kernel is released, but again, convenient for package bumps.
+_use_current=
+
+# Alternative I/O scheduler by Paolo.
+# Set this if you want it enabled globally i.e. for all devices in your system
+# If you want it enabled on a device-by-device basis, leave this unset and see:
+# https://wiki.archlinux.org/index.php/Linux-ck#How_to_Enable_the_BFQ_I.2FO_Scheduler
+_BFQ_enable_=
+
+### Do no edit below this line unless you know what you're doing
+
+pkgname=(linux-ck linux-ck-headers)
+_kernelname=-ck
+_srcname=linux-4.0
+pkgver=4.0.5
+pkgrel=2
+arch=('i686' 'x86_64')
+url="https://wiki.archlinux.org/index.php/Linux-ck"
+license=('GPL2')
+makedepends=('kmod' 'inetutils' 'bc')
+options=('!strip')
+_ckpatchversion=1
+_ckpatchname="patch-4.0-ck${_ckpatchversion}"
+_gcc_patch="enable_additional_cpu_optimizations_for_gcc_v4.9+_kernel_v3.15+.patch"
+_bfqpath="http://algo.ing.unimo.it/people/paolo/disk_sched/patches/4.0.0-v7r8"
+source=("http://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
+"https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.sign"
+"http://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.xz"
+"https://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.sign"
+'config.x86_64' 'config'
+'linux-ck.preset'
+'change-default-console-loglevel.patch'
+# ck1
+"http://ck.kolivas.org/patches/4.0/4.0/4.0-ck${_ckpatchversion}/${_ckpatchname}.bz2"
+"http://ck.kolivas.org/patches/bfs/4.0/4.0/pending/bfs462-rtmn-fix.patch"
+"http://ck.kolivas.org/patches/bfs/4.0/4.0/pending/bfs462-update_inittask.patch"
+"bfs462-nosubmit.patch"
+# gcc
+"http://repo-ck.com/source/gcc_patch/${_gcc_patch}.gz"
+# bfq
+"${_bfqpath}/0001-block-cgroups-kconfig-build-bits-for-BFQ-v7r8-4.0.patch"
+"${_bfqpath}/0002-block-introduce-the-BFQ-v7r8-I-O-sched-for-4.0.patch"
+"${_bfqpath}/0003-block-bfq-add-Early-Queue-Merge-EQM-to-BFQ-v7r8-for-4.0.0.patch")
+sha256sums=('0f2f7d44979bc8f71c4fc5d3308c03499c26a824dd311fdf6eef4dee0d7d5991'
+            'SKIP'
+            '60b691210a9e412710e29eac6468d64b6c4d1efc53a6e22878dd51044001adf0'
+            'SKIP'
+            '8fb75c36b16d7c4895c720949b8d217f84d225da25f4db81c0da00920b925843'
+            '7e82bbe1ed937acfbd351ff75a0420777f4bfd64d0c7f3e041f41f28221a75f1'
+            '2b3ebf5446aa3cac279842ca00bc1f2d6b7ff1766915282c201d763dbf6ca07e'
+            '1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99'
+            'be3ca32d048428a0cbd476bfe467e0d46d1848b95d4d7b70ab57b522d19f6cd2'
+            'c28632c55b3603d538ec0669ee09fc47d1a04b40d0096c5511549946dd3aff16'
+            'a23de756d3680fb1c1cbabe3ae8c1cfb149a833177d054b9b23cc18d4d8e364a'
+            '80a635a9998ff1d580889ecb79c018d4916314612077aecf080cb50e73e58757'
+            '819961379909c028e321f37e27a8b1b08f1f1e3dd58680e07b541921282da532'
+            'b0648f9fca9b155c3a7195008acd6fb8f1a644c6a8743050f3ee96e1245b88d9'
+            'f1389d30e08cc1fab638407289743d15efcde4dac63f9e3052b0df9c0880ef57'
+            'fd7f55a254217e1b57558a6288cc2aab28f7c62d7d0b8db09b598382d5bce618')
+validpgpkeys=(
+              'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
+              '647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
+             )
+
+prepare() {
+	cd "${_srcname}"
+
+	# add upstream patch
+	patch -p1 -i "${srcdir}/patch-${pkgver}"
+	
+	# set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param)
+	# remove this when a Kconfig knob is made available by upstream
+	# (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)
+	patch -p1 -i "${srcdir}/change-default-console-loglevel.patch"
+	
+	# patch source with ck patchset with BFS
+	# fix double name in EXTRAVERSION
+	sed -i -re "s/^(.EXTRAVERSION).*$/\1 = /" "${srcdir}/${_ckpatchname}"
+	msg "Patching source with ck1 including BFS v0.462 and pending patches from CK"
+	patch -Np1 -i "${srcdir}/${_ckpatchname}"
+
+	# these are not experimental patches since CK has them in the 'pending'
+	# status not 'testing' which means that they'll be included in whatever
+	# the next BFS is...
+	patch -Np1 -i "${srcdir}/bfs462-rtmn-fix.patch"
+	patch -Np1 -i "${srcdir}/bfs462-update_inittask.patch"
+
+	# this is a patch to probe the cause of nordic89's panic issue
+	# https://bbs.archlinux.org/viewtopic.php?pid=1528165#p1528165
+	patch -Np1 -i "${srcdir}/bfs462-nosubmit.patch"
+
+	# Patch source to enable more gcc CPU optimizatons via the make nconfig
+	msg "Patching source with gcc patch to enable more cpus types"
+	patch -Np1 -i "${srcdir}/${_gcc_patch}"
+	
+	msg "Patching source with BFQ patches"
+	for p in $(ls ${srcdir}/000{1,2,3}-block*.patch); do
+		patch -Np1 -i "$p"
+	done
+
+	# Clean tree and copy ARCH config over
+	msg "Running make mrproper to clean source tree"
+	make mrproper
+
+	if [ "${CARCH}" = "x86_64" ]; then
+		cat "${srcdir}/config.x86_64" > ./.config
+	else
+		cat "${srcdir}/config" > ./.config
+	fi
+
+	### Optionally set tickrate to 1000 to avoid suspend issues as reported here:
+	# http://ck-hack.blogspot.com/2013/09/bfs-0441-311-ck1.html?showComment=1379234249615#c4156123736313039413
+	if [ -n "$_1k_HZ_ticks" ]; then
+		msg "Setting tick rate to 1k..."
+		sed -i -e 's/^CONFIG_HZ_300=y/# CONFIG_HZ_300 is not set/' \
+			-i -e 's/^# CONFIG_HZ_1000 is not set/CONFIG_HZ_1000=y/' \
+			-i -e 's/^CONFIG_HZ=300/CONFIG_HZ=1000/' .config
+	fi
+	
+	### Do not disable NUMA until CK figures out why doing so causes panics for
+	### some users!
+
+	# Optionally disable NUMA since >99% of users have mono-socket systems.
+	# For more, see: https://bugs.archlinux.org/task/31187
+#	if [ -n "$_NUMAdisable" ]; then
+#		if [ "${CARCH}" = "x86_64" ]; then
+#			msg "Disabling NUMA from kernel config..."
+#			sed -i -e 's/CONFIG_NUMA=y/# CONFIG_NUMA is not set/' \
+#				-i -e '/CONFIG_AMD_NUMA=y/d' \
+#				-i -e '/CONFIG_X86_64_ACPI_NUMA=y/d' \
+#				-i -e '/CONFIG_NODES_SPAN_OTHER_NODES=y/d' \
+#				-i -e '/# CONFIG_NUMA_EMU is not set/d' \
+#				-i -e '/CONFIG_NODES_SHIFT=6/d' \
+#				-i -e '/CONFIG_NEED_MULTIPLE_NODES=y/d' \
+#				-i -e '/# CONFIG_MOVABLE_NODE is not set/d' \
+#				-i -e '/CONFIG_USE_PERCPU_NUMA_NODE_ID=y/d' \
+#				-i -e '/CONFIG_ACPI_NUMA=y/d' ./.config
+#		fi
+#	fi
+
+	### Optionally use running kernel's config
+	# code originally by nous; http://aur.archlinux.org/packages.php?ID=40191
+	if [ -n "$_use_current" ]; then
+		if [[ -s /proc/config.gz ]]; then
+			msg "Extracting config from /proc/config.gz..."
+			# modprobe configs
+			zcat /proc/config.gz > ./.config
+		else
+			warning "You kernel was not compiled with IKCONFIG_PROC!"
+			warning "You cannot read the current config!"
+			warning "Aborting!"
+			exit
+		fi
+	fi
+
+	if [ "${_kernelname}" != "" ]; then
+		sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${_kernelname}\"|g" ./.config
+		sed -i "s|CONFIG_LOCALVERSION_AUTO=.*|CONFIG_LOCALVERSION_AUTO=n|" ./.config
+	fi
+
+	### Optionally enable BFQ as the default I/O scheduler
+	if [ -n "$_BFQ_enable_" ]; then
+		msg "Setting BFQ as default I/O scheduler..."
+		sed -i -e '/CONFIG_DEFAULT_IOSCHED/ s,cfq,bfq,' \
+			-i -e s'/CONFIG_DEFAULT_CFQ=y/# CONFIG_DEFAULT_CFQ is not set\nCONFIG_DEFAULT_BFQ=y/' ./.config
+	fi
+
+	# set extraversion to pkgrel
+	sed -ri "s|^(EXTRAVERSION =).*|\1 -${pkgrel}|" Makefile
+
+	# don't run depmod on 'make install'. We'll do this ourselves in packaging
+	sed -i '2iexit 0' scripts/depmod.sh
+
+	# get kernel version
+	msg "Running make prepare for you to enable patched options of your choosing"
+	make prepare
+
+	### Optionally load needed modules for the make localmodconfig
+	# See https://aur.archlinux.org/packages/modprobed-db
+		if [ -n "$_localmodcfg" ]; then
+		msg "If you have modprobed-db installed, running it in recall mode now"
+		if [ -e /usr/bin/modprobed-db ]; then
+			[[ ! -x /usr/bin/sudo ]] && echo "Cannot call modprobe with sudo.  Install via pacman -S sudo and configure to work with this user." && exit 1
+			sudo /usr/bin/modprobed-db recall
+		fi
+		msg "Running Steven Rostedt's make localmodconfig now"
+		make localmodconfig
+	fi
+
+	if [ -n "$_makenconfig" ]; then
+		msg "Running make nconfig"
+		make nconfig
+	fi
+
+	# rewrite configuration
+	yes "" | make config >/dev/null
+
+	# save configuration for later reuse
+	if [ "${CARCH}" = "x86_64" ]; then
+		cat .config > "${startdir}/config.x86_64.last"
+	else
+		cat .config > "${startdir}/config.last"
+	fi
+}
+
+build() {
+		cd "${_srcname}"
+		make ${MAKEFLAGS} LOCALVERSION= bzImage modules
+		msg "Running make bzImage and modules"
+}
+
+package_linux-ck() {
+	pkgdesc='Linux Kernel with the ck1 patchset featuring the Brain Fuck Scheduler v0.462.'
+	#_Kpkgdesc='Linux Kernel and modules with the ck1 patchset featuring the Brain Fuck Scheduler v0.462.'
+	#pkgdesc="${_Kpkgdesc}"
+	depends=('coreutils' 'linux-firmware' 'mkinitcpio>=0.7')
+	optdepends=('crda: to set the correct wireless channels of your country' 'nvidia-ck: nVidia drivers for linux-ck' 'modprobed-db: Keeps track of EVERY kernel module that has ever been probed - useful for those of us who make localmodconfig')
+	provides=("linux-ck=${pkgver}")
+	conflicts=('kernel26-ck' 'linux-ck-corex' 'linux-ck-p4' 'linux-ck-pentm' 'linux-ck-atom' 'linux-ck-core2' 'linux-ck-nehalem' 'linux-ck-sandybridge' 'linux-ck-ivybridge' 'linux-ck-broadwell' 'linux-ck-haswell' 'linux-ck-kx' 'linux-ck-k10' 'linux-ck-barcelona' 'linux-ck-bulldozer' 'linux-ck-piledriver' 'linux-ck-silvermont')
+	replaces=('kernel26-ck')
+	backup=("etc/mkinitcpio.d/linux-ck.preset")
+	install=linux-ck.install
+	#groups=('ck-generic')
+
+	cd "${_srcname}"
+
+	KARCH=x86
+
+	# get kernel version
+	_kernver="$(make LOCALVERSION= kernelrelease)"
+	_basekernel=${_kernver%%-*}
+	_basekernel=${_basekernel%.*}
+
+	mkdir -p "${pkgdir}"/{lib/modules,lib/firmware,boot}
+	make LOCALVERSION= INSTALL_MOD_PATH="${pkgdir}" modules_install
+	cp arch/$KARCH/boot/bzImage "${pkgdir}/boot/vmlinuz-linux-ck"
+
+	# set correct depmod command for install
+	cp -f "${startdir}/${install}" "${startdir}/${install}.pkg"
+	true && install=${install}.pkg
+
+	sed \
+		-e  "s/KERNEL_NAME=.*/KERNEL_NAME=-ck/g" \
+		-e  "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/g" \
+		-i "${startdir}/${install}"
+
+	# install mkinitcpio preset file for kernel
+	install -D -m644 "${srcdir}/linux-ck.preset" "${pkgdir}/etc/mkinitcpio.d/linux-ck.preset"
+	sed \
+		-e "1s|'linux.*'|'linux-ck'|" \
+		-e "s|ALL_kver=.*|ALL_kver=\"/boot/vmlinuz-linux-ck\"|" \
+		-e "s|default_image=.*|default_image=\"/boot/initramfs-linux-ck.img\"|" \
+		-e "s|fallback_image=.*|fallback_image=\"/boot/initramfs-linux-ck-fallback.img\"|" \
+		-i "${pkgdir}/etc/mkinitcpio.d/linux-ck.preset"
+
+	# remove build and source links
+	rm -f "${pkgdir}"/lib/modules/${_kernver}/{source,build}
+	# remove the firmware
+	rm -rf "${pkgdir}/lib/firmware"
+	# make room for external modules
+	ln -s "../extramodules-${_basekernel}${_kernelname:ck}" "${pkgdir}/lib/modules/${_kernver}/extramodules"
+	# add real version for building modules and running depmod from post_install/upgrade
+	mkdir -p "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname:ck}"
+	echo "${_kernver}" > "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname:ck}/version"
+
+	# Now we call depmod...
+	depmod -b "${pkgdir}" -F System.map "${_kernver}"
+
+	# move module tree /lib -> /usr/lib
+	mkdir -p "${pkgdir}/usr"
+	mv "${pkgdir}/lib" "${pkgdir}/usr/"
+
+	# add vmlinux
+	install -D -m644 vmlinux "${pkgdir}/usr/lib/modules/${_kernver}/build/vmlinux"
+}
+
+
+package_linux-ck-headers() {
+	pkgdesc='Header files and scripts to build modules for linux-ck.'
+	#_Hpkgdesc='Header files and scripts to build modules for linux-ck.'
+	#pkgdesc="${_Hpkgdesc}"
+	depends=('linux-ck') # added to keep kernel and headers packages matched
+	provides=("linux-ck-headers=${pkgver}" "linux-headers=${pkgver}")
+	conflicts=('kernel26-ck-headers' 'linux-ck-corex-headers' 'linux-ck-p4-headers' 'linux-ck-pentm-headers' 'linux-ck-atom-headers' 'linux-ck-core2-headers' 'linux-ck-nehalem-headers' 'linux-ck-sandybridge-headers' 'linux-ck-ivybridge-headers' 'linux-ck-haswell-headers' 'linux-ck-broadwell-headers' 'linux-ck-kx-headers' 'linux-ck-k10-headers' 'linux-ck-barcelona-headers' 'linux-ck-bulldozer-headers' 'linux-ck-piledriver-headers' 'linux-ck-silvermont-headers')
+	replaces=('kernel26-ck-headers')
+	#groups=('ck-generic')
+
+	install -dm755 "${pkgdir}/usr/lib/modules/${_kernver}"
+
+	cd "${srcdir}/${_srcname}"
+	install -D -m644 Makefile \
+		"${pkgdir}/usr/lib/modules/${_kernver}/build/Makefile"
+	install -D -m644 kernel/Makefile \
+		"${pkgdir}/usr/lib/modules/${_kernver}/build/kernel/Makefile"
+	install -D -m644 .config \
+		"${pkgdir}/usr/lib/modules/${_kernver}/build/.config"
+
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/include"
+
+	for i in acpi asm-generic config crypto drm generated keys linux math-emu \
+		media net pcmcia scsi sound trace uapi video xen; do
+	cp -a include/${i} "${pkgdir}/usr/lib/modules/${_kernver}/build/include/"
+	done
+
+	# copy arch includes for external modules
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/x86"
+	cp -a arch/x86/include "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/x86/"
+
+	# copy files necessary for later builds, like nvidia and vmware
+	cp Module.symvers "${pkgdir}/usr/lib/modules/${_kernver}/build"
+	cp -a scripts "${pkgdir}/usr/lib/modules/${_kernver}/build"
+
+	# fix permissions on scripts dir
+	chmod og-w -R "${pkgdir}/usr/lib/modules/${_kernver}/build/scripts"
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/.tmp_versions"
+
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/kernel"
+
+	cp arch/${KARCH}/Makefile "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/"
+
+	if [ "${CARCH}" = "i686" ]; then
+		cp arch/${KARCH}/Makefile_32.cpu "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/"
+	fi
+
+	cp arch/${KARCH}/kernel/asm-offsets.s "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/kernel/"
+
+	# add docbook makefile
+	install -D -m644 Documentation/DocBook/Makefile \
+	"${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/DocBook/Makefile"
+
+	# add dm headers
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/md"
+	cp drivers/md/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/md"
+
+	# add inotify.h
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/include/linux"
+	cp include/linux/inotify.h "${pkgdir}/usr/lib/modules/${_kernver}/build/include/linux/"
+
+	# add wireless headers
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/net/mac80211/"
+	cp net/mac80211/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/net/mac80211/"
+
+	# add dvb headers for external modules
+	# in reference to:
+	# http://bugs.archlinux.org/task/9912
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/dvb-core"
+	cp drivers/media/dvb-core/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/dvb-core/"
+	# and...
+	# http://bugs.archlinux.org/task/11194
+	###
+	### DO NOT MERGE OUT THIS IF STATEMENT
+	### IT AFFECTS USERS WHO STRIP OUT THE DVB STUFF SO THE OFFICIAL ARCH CODE HAS A CP
+	### LINE THAT CAUSES MAKEPKG TO END IN AN ERROR
+	###
+	if [ -d include/config/dvb/ ]; then
+		mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/include/config/dvb/"
+		cp include/config/dvb/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/include/config/dvb/"
+	fi
+
+	# add dvb headers for http://mcentral.de/hg/~mrec/em28xx-new
+	# in reference to:
+	# http://bugs.archlinux.org/task/13146
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/dvb-frontends/"
+	cp drivers/media/dvb-frontends/lgdt330x.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/dvb-frontends/"
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/i2c/"
+	cp drivers/media/i2c/msp3400-driver.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/i2c/"
+
+	# add dvb headers
+	# in reference to:
+	# http://bugs.archlinux.org/task/20402
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/usb/dvb-usb"
+	cp drivers/media/usb/dvb-usb/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/usb/dvb-usb/"
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/dvb-frontends"
+	cp drivers/media/dvb-frontends/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/dvb-frontends/"
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/tuners"
+	cp drivers/media/tuners/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/media/tuners/"
+
+	# add xfs and shmem for aufs building
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/fs/xfs"
+	mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/mm"
+	# removed in 3.17 series
+	#cp fs/xfs/xfs_sb.h "${pkgdir}/usr/lib/modules/${_kernver}/build/fs/xfs/xfs_sb.h"
+
+	# copy in Kconfig files
+	for i in $(find . -name "Kconfig*"); do
+		mkdir -p "${pkgdir}"/usr/lib/modules/${_kernver}/build/`echo ${i} | sed 's|/Kconfig.*||'`
+		cp ${i} "${pkgdir}/usr/lib/modules/${_kernver}/build/${i}"
+	done
+
+	chown -R root.root "${pkgdir}/usr/lib/modules/${_kernver}/build"
+	find "${pkgdir}/usr/lib/modules/${_kernver}/build" -type d -exec chmod 755 {} \;
+
+	# strip scripts directory
+	find "${pkgdir}/usr/lib/modules/${_kernver}/build/scripts" -type f -perm -u+w 2>/dev/null | while read binary ; do
+	case "$(file -bi "${binary}")" in
+	*application/x-sharedlib*) # Libraries (.so)
+		/usr/bin/strip ${STRIP_SHARED} "${binary}";;
+	*application/x-archive*) # Libraries (.a)
+		/usr/bin/strip ${STRIP_STATIC} "${binary}";;
+	*application/x-executable*) # Binaries
+		/usr/bin/strip ${STRIP_BINARIES} "${binary}";;
+	esac
+	done
+
+	 # remove unneeded architectures
+	 rm -rf "${pkgdir}"/usr/lib/modules/${_kernver}/build/arch/{alpha,arc,arm,arm26,arm64,avr32,blackfin,c6x,cris,frv,h8300,hexagon,ia64,m32r,m68k,m68knommu,metag,mips,microblaze,mn10300,openrisc,parisc,powerpc,ppc,s390,score,sh,sh64,sparc,sparc64,tile,unicore32,um,v850,xtensa}
+}