2021-07-28 15:18:36 +00:00

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# Maintainer: Milan P. Stanić <mps@arvanta.net>
_flavor=edge
pkgname=linux-${_flavor}
# NOTE: this kernel is intended for testing
# please resist urge to upgrade it blindly
pkgver=5.13.6
case $pkgver in
*.*.*) _kernver=${pkgver%.*};;
*.*) _kernver=$pkgver;;
esac
pkgrel=0
pkgdesc="Linux latest stable kernel"
url="https://www.kernel.org"
depends="mkinitfs"
_depends_dev="perl gmp-dev elfutils-dev bash flex bison"
makedepends="$_depends_dev sed installkernel bc linux-headers linux-firmware-any openssl-dev
diffutils findutils xz"
options="!strip !check" # no tests
_config=${config:-config-edge.${CARCH}}
install=
subpackages="$pkgname-dev:_dev:$CBUILD_ARCH"
source="https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/linux-$_kernver.tar.xz"
case $pkgver in
*.*.0) source="$source";;
*.*.*) source="$source
https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/patch-$pkgver.xz" ;;
esac
source="$source
config-edge.aarch64
config-edge.armv7
config-edge.x86_64
config-edge.riscv64
config-edge-virt.aarch64
config-edge-virt.armv7
config-edge-virt.x86_64
config-edge-virt.riscv64
"
arch="armv7 aarch64 x86_64 riscv64"
license="GPL-2.0"
_flavors=
for _i in $source; do
case $_i in
config-*.$CARCH)
_f=${_i%.$CARCH}
_f=${_f#config-}
_flavors="$_flavors ${_f}"
if [ "linux-$_f" != "$pkgname" ]; then
subpackages="$subpackages linux-${_f}::$CBUILD_ARCH linux-${_f}-dev:_dev:$CBUILD_ARCH"
fi
;;
esac
done
_carch=${CARCH}
case "$_carch" in
aarch64*) _carch="arm64" ;;
arm*) _carch="arm" ;;
riscv64) _carch="riscv" ;;
esac
prepare() {
local _patch_failed=
cd "$srcdir"/linux-$_kernver
case $pkgver in
*.*.0);;
*)
msg "Applying patch-$pkgver.xz"
unxz -c < "$srcdir"/patch-$pkgver.xz | patch -p1 -N ;;
esac
# 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
# remove localversion from patch if any
rm -f localversion*
oldconfig
}
oldconfig() {
for i in $_flavors; do
local _config=config-$i.${CARCH}
local _builddir="$srcdir"/build-$i.$CARCH
mkdir -p "$_builddir"
echo "-$pkgrel-$i" > "$_builddir"/localversion-alpine \
|| return 1
cp "$srcdir"/$_config "$_builddir"/.config
make -C "$srcdir"/linux-$_kernver \
O="$_builddir" \
ARCH="$_carch" \
listnewconfig oldconfig
done
}
build() {
unset LDFLAGS
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
for i in $_flavors; do
cd "$srcdir"/build-$i.$CARCH
make ARCH="$_carch" CC="${CC:-gcc}" \
KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine"
done
}
_package() {
local _buildflavor="$1" _outdir="$2"
local _abi_release=${pkgver}-${pkgrel}-${_buildflavor}
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
cd "$srcdir"/build-$_buildflavor.$CARCH
# modules_install seems to regenerate a defect Modules.symvers on s390x. Work
# around it by backing it up and restore it after modules_install
cp Module.symvers Module.symvers.backup
mkdir -p "$_outdir"/boot "$_outdir"/lib/modules
local _install
case "$CARCH" in
arm*|aarch64|riscv64) _install="zinstall dtbs_install";;
*) _install=install;;
esac
make -j1 modules_install $_install \
ARCH="$_carch" \
INSTALL_MOD_PATH="$_outdir" \
INSTALL_PATH="$_outdir"/boot \
INSTALL_DTBS_PATH="$_outdir/boot/dtbs-$_buildflavor"
cp Module.symvers.backup Module.symvers
rm -f "$_outdir"/lib/modules/${_abi_release}/build \
"$_outdir"/lib/modules/${_abi_release}/source
rm -rf "$_outdir"/lib/firmware
install -D -m644 include/config/kernel.release \
"$_outdir"/usr/share/kernel/$_buildflavor/kernel.release
}
# main flavor installs in $pkgdir
package() {
depends="$depends linux-firmware-any"
_package edge "$pkgdir"
}
# subflavors install in $subpkgdir
virt() {
_package edge-virt "$subpkgdir"
}
_dev() {
local _flavor=$(echo $subpkgname | sed -E 's/(^linux-|-dev$)//g')
local _abi_release=${pkgver}-${pkgrel}-$_flavor
# 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 $_flavor kernel"
depends="$_depends_dev"
local dir="$subpkgdir"/usr/src/linux-headers-${_abi_release}
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
# first we import config, run prepare to set up for building
# external modules, and create the scripts
mkdir -p "$dir"
cp "$srcdir"/config-$_flavor.${CARCH} "$dir"/.config
echo "-$pkgrel-$_flavor" > "$dir"/localversion-alpine
make -j1 -C "$srcdir"/linux-$_kernver O="$dir" ARCH="$_carch" \
syncconfig prepare modules_prepare scripts
# remove the stuff that points to real sources. we want 3rd party
# modules to believe this is the soruces
rm "$dir"/Makefile "$dir"/source
# copy the needed stuff from real sources
#
# this is taken from ubuntu kernel build script
# http://kernel.ubuntu.com/git/ubuntu/ubuntu-zesty.git/tree/debian/rules.d/3-binary-indep.mk
cd "$srcdir"/linux-$_kernver
find . -path './include/*' -prune \
-o -path './scripts/*' -prune -o -type f \
\( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
-name '*.sh' -o -name '*.pl' -o -name '*.lds' -o -name 'Platform' \) \
-print | cpio -pdm "$dir"
cp -a scripts include "$dir"
find $(find arch -name include -type d -print) -type f \
| cpio -pdm "$dir"
install -Dm644 "$srcdir"/build-$_flavor.$CARCH/Module.symvers \
"$dir"/Module.symvers
mkdir -p "$subpkgdir"/lib/modules/${_abi_release}
ln -sf /usr/src/linux-headers-${_abi_release} \
"$subpkgdir"/lib/modules/${_abi_release}/build
}
sha512sums="
a8edf97e9d38a49f1be2bde1e29ad96274bb2c6f7e8a2bebaa1161dd4df9cabcbaec4ff644c45bee94f86ae47725087d6deed0cd954209cec717621d137db85e linux-5.13.tar.xz
89743ab436b83c7698ba55291665d56d7ab01afb2976c540577030c2a426d41c278c769ce70f712a26f352c98dd065e3837adaa19639667b965987202e55eb51 patch-5.13.6.xz
ed0d7bc8cf461e525659ef0eb8c9fcdfb452ddc572436f8228397a9871ce0b369aa630d7e09dfd31ad8c2edb78b4f3271d45df1ad8200aca4ddfcd24f3fdc2c0 config-edge.aarch64
33d80c44bb8a0d47f71c62ce2e16d2c6f677d27f02225ac3e3b31675072021dec38fd136533bd338337abb5d15114225178eb36cd7b91c51fd7a57516b81696e config-edge.armv7
5f2276ac1939286eaeb2b4430b8515159f4516ce13ce69a8bd5d1a9aefcd6f542c224eeac40627d701e2f87f855d8f91bde6e9f533a8167147e7019d899e2f61 config-edge.x86_64
0e2c78756e86448dc1e1baf0a2879ddc47acb68a01bcde5c2406affa49e241db919451e1cc523ab2dba6abc76bbd5de094e96029d3d2ec7058958a09fd9830c9 config-edge.riscv64
efde69f875a7796f2f23af85f3f61469c00aac282b50fc68f4882ecfffa8622a6b4593e9b748726e2efde114cfa41861dfb98c09576b49b43dd4b2dc235bdde2 config-edge-virt.aarch64
cf78a7f66d3498894b747be0814351832a32330197e02eacaf5b12236c17279c1a13beb35b5d5815ed511f42c3e8aaad36601e0429a5dfab8756b1676886c76d config-edge-virt.armv7
64388dcba670e80efa47a925e4d69a407e424d061476bb11069b421afd6a89d708c6532a3c2c26e568399dbef10666678d7a03e104eb7f76ea572c1df2714b96 config-edge-virt.x86_64
61e1f190d5b59b8aef9d548c29e5f28defceb403f9238510be9272ecf1f2c45dea9e9e557a3398f70b04db4b28a43250ba41a17149fa19ae9543de2edda18d7e config-edge-virt.riscv64
"