1 # Maintainer: Levente Polyak <anthraxx[at]archlinux[dot]org>
2 # Contributor: Daniel Micay <danielmicay@gmail.com>
3 # Contributor: Tobias Powalowski <tpowa@archlinux.org>
4 # Contributor: Thomas Baechler <thomas@archlinux.org>
9 pkgdesc='Security-Hardened Linux'
10 url='https://github.com/anthraxx/linux-hardened'
14 bc libelf pahole cpio perl tar xz
15 xmlto python-sphinx python-sphinx_rtd_theme graphviz imagemagick texlive-latexextra
19 _srcname=linux-${pkgver%.*}
20 _srctag=${pkgver%.*}-${pkgver##*.}
22 https://www.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/${_srcname}.tar.{xz,sign}
23 https://github.com/anthraxx/${pkgbase}/releases/download/${_srctag}/${pkgbase}-${_srctag}.patch{,.sig}
24 config # the main kernel config file
27 'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
28 '647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
29 'E240B57E2C4630BA768E2F26FC1B547C8D8172C8' # Levente Polyak
31 sha256sums=('61332ef22b53c50c10faabfb965896a7d1ad4f3381f0f89643c820f28a60418e'
33 '94cf633e2d7e36e361c03893917a632ecdfed041843bacf5495d0e0b9caf7ac6'
35 '9c598d0758fa48cde7394b032d73068dfbce4016bf09064346f78bbd49b671ca')
37 export KBUILD_BUILD_HOST=archlinux
38 export KBUILD_BUILD_USER=$pkgbase
39 export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
44 echo "Setting version..."
45 scripts/setlocalversion --save-scmversion
46 echo "-$pkgrel" > localversion.10-pkgrel
47 echo "${pkgbase#linux}" > localversion.20-pkgname
50 for src in "${source[@]}"; do
53 [[ $src = *.patch ]] || continue
54 echo "Applying patch $src..."
55 patch -Np1 < "../$src"
58 echo "Setting config..."
61 diff -u ../config .config || :
63 make -s kernelrelease > version
64 echo "Prepared $pkgbase version $(<version)"
73 pkgdesc="The $pkgdesc kernel and modules"
74 depends=(coreutils kmod initramfs)
75 optdepends=('wireless-regdb: to set the correct wireless channels of your country'
76 'linux-firmware: firmware images needed for some devices'
77 'usbctl: deny_new_usb control')
78 provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE)
81 local kernver="$(<version)"
82 local modulesdir="$pkgdir/usr/lib/modules/$kernver"
84 echo "Installing boot image..."
85 # systemd expects to find the kernel here to allow hibernation
86 # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
87 install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
89 # Used by mkinitcpio to name the kernel
90 echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
92 echo "Installing modules..."
93 make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
94 DEPMOD=/doesnt/exist modules_install # Suppress depmod
96 # remove build and source links
97 rm "$modulesdir"/{source,build}
101 pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
105 local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
107 echo "Installing build files..."
108 install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
109 localversion.* version vmlinux
110 install -Dt "$builddir/kernel" -m644 kernel/Makefile
111 install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
112 cp -t "$builddir" -a scripts
114 # required when STACK_VALIDATION is enabled
115 install -Dt "$builddir/tools/objtool" tools/objtool/objtool
117 # required when DEBUG_INFO_BTF_MODULES is enabled
118 # install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
120 echo "Installing headers..."
121 cp -t "$builddir" -a include
122 cp -t "$builddir/arch/x86" -a arch/x86/include
123 install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
125 install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
126 install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
128 # https://bugs.archlinux.org/task/13146
129 install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
131 # https://bugs.archlinux.org/task/20402
132 install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
133 install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
134 install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
136 # https://bugs.archlinux.org/task/71392
137 install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
139 echo "Installing KConfig files..."
140 find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
142 echo "Removing unneeded architectures..."
144 for arch in "$builddir"/arch/*/; do
145 [[ $arch = */x86/ ]] && continue
146 echo "Removing $(basename "$arch")"
150 echo "Removing documentation..."
151 rm -r "$builddir/Documentation"
153 echo "Removing broken symlinks..."
154 find -L "$builddir" -type l -printf 'Removing %P\n' -delete
156 echo "Removing loose objects..."
157 find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
159 echo "Stripping build tools..."
161 while read -rd '' file; do
162 case "$(file -bi "$file")" in
163 application/x-sharedlib\;*) # Libraries (.so)
164 strip -v $STRIP_SHARED "$file" ;;
165 application/x-archive\;*) # Libraries (.a)
166 strip -v $STRIP_STATIC "$file" ;;
167 application/x-executable\;*) # Binaries
168 strip -v $STRIP_BINARIES "$file" ;;
169 application/x-pie-executable\;*) # Relocatable binaries
170 strip -v $STRIP_SHARED "$file" ;;
172 done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
174 echo "Stripping vmlinux..."
175 strip -v $STRIP_STATIC "$builddir/vmlinux"
177 echo "Adding symlink..."
178 mkdir -p "$pkgdir/usr/src"
179 ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
183 pkgdesc="Documentation for the $pkgdesc kernel"
186 local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
188 echo "Installing documentation..."
190 while read -rd '' src; do
191 dst="${src#Documentation/}"
192 dst="$builddir/Documentation/${dst#output/}"
193 install -Dm644 "$src" "$dst"
194 done < <(find Documentation -name '.*' -prune -o ! -type d -print0)
196 echo "Adding symlink..."
197 mkdir -p "$pkgdir/usr/share/doc"
198 ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
201 pkgname=("$pkgbase" "$pkgbase-headers" "$pkgbase-docs")
202 for _p in "${pkgname[@]}"; do
203 eval "package_$_p() {
204 $(declare -f "_package${_p#$pkgbase}")
205 _package${_p#$pkgbase}
209 # vim:set ts=8 sts=2 sw=2 et: