APKBUILD 7.31 KB
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# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
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_flavor=grsec
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pkgname=linux-${_flavor}
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pkgver=3.13.8
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case $pkgver in
*.*.*)	_kernver=${pkgver%.*};;
*.*)	_kernver=${pkgver};;
esac
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pkgrel=0
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pkgdesc="Linux kernel with grsecurity"
url=http://grsecurity.net
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depends="mkinitfs linux-firmware"
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makedepends="perl sed installkernel bash gmp-dev bc"
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options="!strip"
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_config=${config:-kernelconfig.${CARCH}}
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install=
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source="http://ftp.kernel.org/pub/linux/kernel/v3.x/linux-$_kernver.tar.xz
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	http://ftp.kernel.org/pub/linux/kernel/v3.x/patch-$pkgver.xz
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	grsecurity-3.0-3.13.8-201404011912.patch
	ccache.patch
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	fix-memory-map-for-PIE-applications.patch
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	platform-introduce-OF-style-modalias-support-for-pla.patch
	imx6q-no-unclocked-sleep.patch
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	kernelconfig.x86
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	kernelconfig.x86_64
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	kernelconfig.armhf
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	"
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subpackages="$pkgname-dev"
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arch="x86 x86_64 armhf"
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license="GPL-2"
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_abi_release=${pkgver}-${pkgrel}-${_flavor}
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prepare() {
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	local _patch_failed=
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	cd "$srcdir"/linux-$_kernver
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	if [ "${pkgver%.0}" = "$pkgver" ]; then
		msg "Applying patch-$pkgver.xz"
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		unxz -c < "$srcdir"/patch-$pkgver.xz | patch -p1 -N || return 1
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	fi

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	# first apply patches in specified order
	for i in $source; do
		case $i in
		*.patch)
			msg "Applying $i..."
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			if ! patch -s -p1 -N -i "$srcdir"/$i; then
				echo $i >>failed
				_patch_failed=1
			fi
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			;;
		esac
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	done

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	if ! [ -z "$_patch_failed" ]; then
		error "The following patches failed:"
		cat failed
		return 1
	fi

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	rm -f localversion*
	echo "-$pkgrel-$_flavor" > localversion-alpine
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	mkdir -p "$srcdir"/build
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	cp "$srcdir"/$_config "$srcdir"/build/.config || return 1
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	make -C "$srcdir"/linux-$_kernver O="$srcdir"/build HOSTCC="${CC:-gcc}" \
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		silentoldconfig
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}

# this is so we can do: 'abuild menuconfig' to reconfigure kernel
menuconfig() {
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	cd "$srcdir"/build || return 1
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	make menuconfig
	cp .config "$startdir"/$_config
}

build() {
	cd "$srcdir"/build
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	export GCC_SPECS=hardenednopie.specs
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	make CC="${CC:-gcc}" \
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		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine" \
		|| return 1
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}
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package() {
	cd "$srcdir"/build
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	mkdir -p "$pkgdir"/boot "$pkgdir"/lib/modules
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	make -j1 modules_install firmware_install install \
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		INSTALL_MOD_PATH="$pkgdir" \
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		INSTALL_PATH="$pkgdir"/boot \
		|| return 1
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	rm -f "$pkgdir"/lib/modules/${_abi_release}/build \
		"$pkgdir"/lib/modules/${_abi_release}/source
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	rm -rf "$pkgdir"/lib/firmware

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	install -D include/config/kernel.release \
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		"$pkgdir"/usr/share/kernel/$_flavor/kernel.release
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}

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dev() {
	# copy the only the parts that we really need for build 3rd party
	# kernel modules and install those as /usr/src/linux-headers,
	# simlar to what ubuntu does
	#
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	# this way you dont need to install the 300-400 kernel sources to
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	# build a tiny kernel module
	#
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	pkgdesc="Headers and script for third party modules for grsec kernel"
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	depends="gmp-dev bash"
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	local dir="$subpkgdir"/usr/src/linux-headers-${_abi_release}
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	# first we import config, run prepare to set up for building
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	# external modules, and create the scripts
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	mkdir -p "$dir"
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	cp "$srcdir"/$_config "$dir"/.config
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	make -j1 -C "$srcdir"/linux-$_kernver O="$dir" HOSTCC="${CC:-gcc}" \
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		silentoldconfig prepare modules_prepare scripts
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	# remove the stuff that poits to real sources. we want 3rd party
	# modules to believe this is the soruces
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	rm "$dir"/Makefile "$dir"/source

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	# copy the needed stuff from real sources
	#
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	# this is taken from ubuntu kernel build script
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	# http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-jaunty.git;a=blob;f=debian/rules.d/3-binary-indep.mk;hb=HEAD
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	cd "$srcdir"/linux-$_kernver
	find . -path './include/*' -prune -o -path './scripts/*' -prune \
		-o -type f \( -name 'Makefile*' -o -name 'Kconfig*' \
		-o -name 'Kbuild*' -o -name '*.sh' -o -name '*.pl' \
		-o -name '*.lds' \) | cpio -pdm "$dir"
	cp -a drivers/media/dvb/dvb-core/*.h "$dir"/drivers/media/dvb/dvb-core
	cp -a drivers/media/video/*.h "$dir"/drivers/media/video
	cp -a drivers/media/dvb/frontends/*.h "$dir"/drivers/media/dvb/frontends
	cp -a scripts include "$dir"
	find $(find arch -name include -type d -print) -type f \
		| cpio -pdm "$dir"
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	install -Dm644 "$srcdir"/build/Module.symvers \
		"$dir"/Module.symvers
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	mkdir -p "$subpkgdir"/lib/modules/${_abi_release}
	ln -sf /usr/src/linux-headers-${_abi_release} \
		"$subpkgdir"/lib/modules/${_abi_release}/build
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}

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md5sums="0ecbaf65c00374eb4a826c2f9f37606f  linux-3.13.tar.xz
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72b911bfc50de88c67bd0e8732978deb  patch-3.13.8.xz
8d342a525405ccd167eb95a20c0e1062  grsecurity-3.0-3.13.8-201404011912.patch
2a1bac5f61da1962dfa90dfb16895eef  ccache.patch
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c6a4ae7e8ca6159e1631545515805216  fix-memory-map-for-PIE-applications.patch
156 157
f5c7e4f1dc67f8560e4b9bbe75726d13  platform-introduce-OF-style-modalias-support-for-pla.patch
1a307fc1d63231bf01d22493a4f14378  imx6q-no-unclocked-sleep.patch
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37865a61f0319c558d05568f34fa11e7  kernelconfig.x86
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3949ef829d102d36255ff92ff76936d2  kernelconfig.x86_64
6ea461c60077b09aa75040f7672c7250  kernelconfig.armhf"
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sha256sums="4d5e5eee5f276424c32e9591f1b6c971baedc7b49f28ce03d1f48b1e5d6226a2  linux-3.13.tar.xz
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073a392f4d156955df26a09c3236faf375da0afc49077e6b805f5788b8fffb10  patch-3.13.8.xz
9121632468387fa458326d1e05a62f855ba8c8ab49998500f56dca7768208bbb  grsecurity-3.0-3.13.8-201404011912.patch
b6abce04f005314f768707a54f85d150cfde1a738f20c569ffa0d11770ff70dc  ccache.patch
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500f3577310be52e87b9fecdc2e9c4ca43210fd97d69089f9005d484563f74c7  fix-memory-map-for-PIE-applications.patch
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e90bb651da4ff16df25565e44ca70e26367bbcbf9d27962c796c6afd5eecea96  platform-introduce-OF-style-modalias-support-for-pla.patch
21179fbb22a5b74af0a609350ae1a170e232908572b201d02e791d2ce0a685d3  imx6q-no-unclocked-sleep.patch
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f8297eb16cfbe48d5202072e21fa16ebac95de26c8cfa8ec5a66610504af2f81  kernelconfig.x86
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fd55e28d9baf330d6593453da592bcc03779694e7c3fb496fec47cdad1d7bcaa  kernelconfig.x86_64
c1e583baa6694643f85b8df0924cc7c4fac0f6eef963969615e6e642db0f969a  kernelconfig.armhf"
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