summaryrefslogtreecommitdiffstats
path: root/main/linux-grsec/APKBUILD
blob: bd25e8bef024d3fd8dc2b1e64aaa4e3b890ddc8c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>

_flavor=grsec
pkgname=linux-${_flavor}
pkgver=2.6.35.8
_kernver=2.6.35
pkgrel=0
pkgdesc="Linux kernel with grsecurity"
url=http://grsecurity.net
depends="mkinitfs linux-firmware"
makedepends="perl installkernel"
options="!strip"
_config=${config:-kernelconfig.${CARCH:-x86}}
install=
source="ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-$_kernver.tar.bz2
	ftp://ftp.kernel.org/pub/linux/kernel/v2.6/patch-$pkgver.bz2
	grsecurity-2.2.0-2.6.35.8-201010311944.patch
	0004-arp-flush-arp-cache-on-device-change.patch
	r8169-fix-rx-checksum-offload.patch
	r8169-add-gro-support.patch
	setlocalversion.patch
	kernelconfig.x86
	"
subpackages="$pkgname-dev linux-firmware:firmware"
license="GPL-2"

_abi_release=${pkgver}-${_flavor}

prepare() {
	local _patch_failed=
	cd "$srcdir"/linux-$_kernver
	if [ "$_kernver" != "$pkgver" ]; then
		bunzip2 -c < ../patch-$pkgver.bz2 | patch -p1 -N || return 1
	fi

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

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

	mkdir -p "$srcdir"/build
	cp "$srcdir"/$_config "$srcdir"/build/.config
	make -C "$srcdir"/linux-$_kernver O="$srcdir"/build HOSTCC="${CC:-gcc}" \
		silentoldconfig
}

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

build() {
	cd "$srcdir"/build
	make CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine" \
		|| return 1
}

package() {
	cd "$srcdir"/build
	mkdir -p "$pkgdir"/boot "$pkgdir"/lib/modules
	make modules_install firmware_install install \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_PATH="$pkgdir"/boot

	rm -f "$pkgdir"/lib/modules/${_abi_release}/build \
		"$pkgdir"/lib/modules/${_abi_release}/source
	install -D include/config/kernel.release \
		"$pkgdir"/usr/share/kernel/$_flavor/kernel.release
}

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
	#
	# this way you dont need to install the 300-400 kernel sources to
	# build a tiny kernel module
	#
	pkgdesc="Headers and script for third party modules for grsec kernel"
	local dir="$subpkgdir"/usr/src/linux-headers-${_abi_release}

	# first we import config, run prepare to set up for building
	# external modules, and create the scripts
	mkdir -p "$dir"
	cp "$srcdir"/$_config "$dir"/.config
	make -j1 -C "$srcdir"/linux-$_kernver O="$dir" HOSTCC="${CC:-gcc}" \
		silentoldconfig prepare scripts

	# remove the stuff that poits to real sources. we want 3rd party
	# modules to believe this is the soruces
	rm "$dir"/Makefile "$dir"/source

	# copy the needed stuff from real sources
	#
	# this is taken from ubuntu kernel build script
	# http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-jaunty.git;a=blob;f=debian/rules.d/3-binary-indep.mk;hb=HEAD
	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"

	install -Dm644 "$srcdir"/build/Module.symvers \
		"$dir"/Module.symvers

	mkdir -p "$subpkgdir"/lib/modules/${_abi_release}
	ln -sf /usr/src/linux-headers-${_abi_release} \
		"$subpkgdir"/lib/modules/${_abi_release}/build
}

firmware() {
	pkgdesc="Firmware for linux kernel"
	replaces="linux-grsec linux-vserver"
	mkdir -p "$subpkgdir"/lib
	mv "$pkgdir"/lib/firmware "$subpkgdir"/lib/
}

md5sums="091abeb4684ce03d1d936851618687b6  linux-2.6.35.tar.bz2
198e4e72ea9cc7f9f25bb5881167aa2e  patch-2.6.35.8.bz2
3ad2911a6009758d1df3fff0bce11405  grsecurity-2.2.0-2.6.35.8-201010311944.patch
776adeeb5272093574f8836c5037dd7d  0004-arp-flush-arp-cache-on-device-change.patch
0ccecafd4123dcad0b0cd7787553d734  r8169-fix-rx-checksum-offload.patch
139b39da44ecb577275be53d7d365949  r8169-add-gro-support.patch
8c224ba0cdf0aa572c7eb50379435be4  setlocalversion.patch
16d6b950b8c8d9c9e6b43eb76cd090f4  kernelconfig.x86"