APKBUILD 5.88 KB
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# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
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_flavor=grsec
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pkgname=linux-${_flavor}
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pkgver=3.8.12
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_kernver=3.8
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pkgrel=0
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pkgdesc="Linux kernel with grsecurity"
url=http://grsecurity.net
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depends="mkinitfs linux-firmware"
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makedepends="perl installkernel bash gmp-dev"
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options="!strip"
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_config=${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-$pkgver.xz
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	grsecurity-2.9.1-3.8.12-201305082215.patch
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	0004-arp-flush-arp-cache-on-device-change.patch
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	kernelconfig.x86
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	kernelconfig.x86_64
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	"
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subpackages="$pkgname-dev"
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arch="x86 x86_64 arm"
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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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	echo "-$pkgrel" > 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 "$srcdir"/build
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	export GCC_SPECS=/usr/share/gcc/hardenednopie.specs
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	make CC="${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="1c738edfc54e7c65faeb90c436104e2f  linux-3.8.tar.xz
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f4995ab71e54e9770a4456fce64fb739  patch-3.8.12.xz
adb29ec68947b01e9e70978394a293b8  grsecurity-2.9.1-3.8.12-201305082215.patch
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776adeeb5272093574f8836c5037dd7d  0004-arp-flush-arp-cache-on-device-change.patch
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7850907ab3f2d30e3e0eabe49aa4763d  kernelconfig.x86
297a1f8bb89ee65699bdc48a21c6f026  kernelconfig.x86_64"
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sha256sums="e070d1bdfbded5676a4f374721c63565f1c969466c5a3e214004a136b583184b  linux-3.8.tar.xz
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c5e700d8fcf6250970e2bc6d9dd2b6281d0913ee0b563db905e3a1ea1a2f8b24  patch-3.8.12.xz
9d6c7d9bb24f396c6a7e3d9c51562e9ed46d716dea8ac0d9c16d569e845273bc  grsecurity-2.9.1-3.8.12-201305082215.patch
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e2d2d1503f53572c6a2e21da729a13a430dd01f510405ffb3a33b29208860bde  0004-arp-flush-arp-cache-on-device-change.patch
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8d8c7e8ff54ecd8f13c7d051bd74160d30c1f98b74441a92632ae610b5103218  kernelconfig.x86
bdf9d74ab09fe76449319a79875390337f16d354c60f2ddbb56335a4d2c59ac0  kernelconfig.x86_64"
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sha512sums="10a7983391af907d8aec72bdb096d1cabd4911985715e9ea13d35ff09095c035db15d4ab08b92eda7c10026cc27348cb9728c212335f7fcdcda7c610856ec30f  linux-3.8.tar.xz
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bc58911333dfd3dbcc2029c68d80788ef1b6980d1c4dce6506579840ffa32b149c759be0e757fad2d157a661a9d229af696855d79a891c476534422205f2578b  patch-3.8.12.xz
370cc49a8c61605b896270afe94571a4c94bbef249996f7097cdd0ba6b3f0209c11b044aca3fe9806dcfb18370e5e6141813d38d79af48904557a66a8e4ab65b  grsecurity-2.9.1-3.8.12-201305082215.patch
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b6fdf376009f0f0f3fa194cb11be97343e4d394cf5d3547de6cfca8ad619c5bd3f60719331fd8cfadc47f09d22be8376ba5f871b46b24887ea73fe47e233a54e  0004-arp-flush-arp-cache-on-device-change.patch
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6c59c73f80221555abd371d8e063e1b79934b3c2fe5b8eb370f1fa28b6336e7460351f8f5a34c6c35299e9479c64238eeb7e6fb09a227a171366d780eea459cb  kernelconfig.x86
b07c4170ec54d8a29733b949690c743cc448ff3aa0cf0ac19dcace67efeacd7440bb00a8873363f8658679d22a0b5fc650ca4bb7c9b977c1e8d4080423a1a72f  kernelconfig.x86_64"