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# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
_flavor=lts
pkgname=linux-${_flavor}
pkgver=5.4.50
case $pkgver in
*.*.*) _kernver=${pkgver%.*};;
*.*) _kernver=$pkgver;;
esac
pkgrel=0
pkgdesc="Linux lts kernel"
url="https://www.kernel.org"
depends="mkinitfs"
_depends_dev="perl gmp-dev elfutils-dev bash flex bison"
makedepends="$_depends_dev sed installkernel bc linux-headers linux-firmware-any openssl-dev
diffutils"
options="!strip"
_config=${config:-config-lts.${CARCH}}
install=
source="https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/linux-$_kernver.tar.xz
0002-powerpc-config-defang-gcc-check-for-stack-protector-.patch
config-lts.aarch64
config-lts.armv7
config-lts.x86
config-lts.x86_64
config-lts.ppc64le
config-lts.s390x
config-lts.mips64
config-lts.mips
config-virt.aarch64
config-virt.armv7
config-virt.ppc64le
config-virt.x86
config-virt.x86_64
"
subpackages="$pkgname-dev:_dev:$CBUILD_ARCH"
_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
if [ "${pkgver%.0}" = "$pkgver" ]; then
source="$source
https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/patch-$pkgver.xz"
fi
arch="all !armhf"
license="GPL-2.0"
_carch=${CARCH}
case "$_carch" in
aarch64*) _carch="arm64" ;;
arm*) _carch="arm" ;;
mips*) _carch="mips" ;;
ppc*) _carch="powerpc" ;;
s390*) _carch="s390" ;;
esac
prepare() {
local _patch_failed=
cd "$srcdir"/linux-$_kernver
if [ "$_kernver" != "$pkgver" ]; then
msg "Applying patch-$pkgver.xz"
unxz -c < "$srcdir"/patch-$pkgver.xz | patch -p1 -N
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
# 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) _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="$_outdir/boot/dtbs-$_flavor"
cp Module.symvers.backup Module.symvers
rm -f "$_outdir"/lib/modules/${_abi_release}/build \
"$_outdir"/lib/modules/${_abi_release}/source
rm -rf "$_outdir"/lib/firmware
install -D include/config/kernel.release \
"$_outdir"/usr/share/kernel/$_buildflavor/kernel.release
}
# main flavor installs in $pkgdir
package() {
depends="$depends linux-firmware-any"
_package lts "$pkgdir"
}
# subflavors install in $subpkgdir
virt() {
_package virt "$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="9f60f77e8ab972b9438ac648bed17551c8491d6585a5e85f694b2eaa4c623fbc61eb18419b2656b6795eac5deec0edaa04547fc6723fbda52256bd7f3486898f linux-5.4.tar.xz
d19365fe94431008768c96a2c88955652f70b6df6677457ee55ee95246a64fdd2c6fed9b3bef37c29075178294a7fc91f148ead636382530ebfa822be4ad8c2f 0002-powerpc-config-defang-gcc-check-for-stack-protector-.patch
2bfeb3a08430dd97b87d3649a69795628e1d6990edf5a579afd1854a33143c694c7dd0d64a10ffd106dc337207c93a7571f1433f7c3f486840fa65a5d8f350e9 config-lts.aarch64
99b2330c6749bb3b21e04149fd36df2905731646f16c76d5a56af58228b34778efbd5324c404026cf1d45abe06bb4045ecea596235566d5cefe4239f41685128 config-lts.armv7
23ffd77b411c758b56adf24817f82cd202a7c7debf7fbda82a6f92fd7f87654820c496e5484ea92c7ac7ee3ecbb113451c921390a500827f98240a2979c57c1d config-lts.x86
16d90426397e73e58d9ee8b2bbe2db970b34af596d6034d74c87e3c8dc696dc28a56680128535390a1fbbef421bca3977a3946b223c2df1db22fdd672b1d1233 config-lts.x86_64
f7170ba04de08bb9c33ab8cfc11fa43c60abda6e1847c9c035030306c3217be1c88d049489c2d1df3be45f142d0139945fe501f78640aa3cefee3ff25291fe73 config-lts.ppc64le
c5276c280ae993c9e033846ad1a2728baca5fe7f27281fcbf091161010d783093ee0598002d414c40f5a49a5485c5b41435a12adfc837446c43e0de1eec0d600 config-lts.s390x
5a22ba5c827a6015be21c6fdfe87ca9cef6f447a292250a23749a59fef0871e76e2f39ba12b051b09195dddab085b20fab2e9f2ac93d6dea0592eeb9f097a0fa config-lts.mips64
da272f0bee1814a262b3bc51b5f31306d50cafdb86a9fe9fbe17ec72f3d45ce4848bf2c5aa8eab96cc1f3413e8fe4173b29dba8e759ead9fb4ceab646e7c7c5b config-lts.mips
8c4c91cff09777f33a07092bfce7859a1fcdc6787ce509f709d13556aa8a10902cc5f814b0ffd991c38d77cd62a316a69cf65c9cf9536136de6e65aa54a98823 config-virt.aarch64
a4afa882feaa97c9393aa24c1395ffe8ec8d56a23d83bf6d0f84b3f87c43424d5a7e15c55299fc1c2e5e6fc3ec9dbea1822cc83f63bb216677d6d4ff2f441f6e config-virt.armv7
963e37218e6acaae60ab33307405446e151b7bd450d9c0e0f08be88f588f9dbba6c22780798ac678bdb3ccca755221e1ab3f03c86075a78b403d060d2d1556c4 config-virt.ppc64le
667c40e66494f47e5356955dd1ca614dc17a3f5e831a53607fc008836104e14a1f59034ada7dd2ace49c81d4763ea31bc807cf57232791ad4b8d55012172b3e4 config-virt.x86
5b5816af9b0978fbf889a6d477c357adbbc98c5833091405750c81ab10f8f6ea103df8c6c53fb646cc80f3f9f87d62d6015b3752a7481ce66e0ef733f398f1eb config-virt.x86_64
c3d222001fb6ee599f82dcd44aeb00349ea91be47420a7eda1dd942c874483da0ddb0d011bae0ca20009367300ba07ec75978fb852d73f5b8b13051cf647cc45 patch-5.4.50.xz"
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