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# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
_flavor=lts
pkgname=linux-${_flavor}
pkgver=5.4.27
case $pkgver in
*.*.*) _kernver=${pkgver%.*};;
*.*) _kernver=$pkgver;;
esac
pkgrel=0
pkgdesc="Linux lts kernel"
url="http://kernel.org"
depends="mkinitfs"
_depends_dev="perl gmp-dev elfutils-dev bash flex bison"
makedepends="$_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
config-lts.aarch64
config-lts.armv7
config-lts.x86
config-lts.x86_64
config-lts.ppc64le
config-lts.s390x
config-virt.aarch64
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 "$_carch" in
aarch64*) _carch="arm64" ;;
arm*) _carch="arm" ;;
mips*) _carch="mips" ;;
ppc*) _carch="powerpc" ;;
s390*) _carch="s390" ;;
esac
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
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="$_carch" HOSTCC="$HOSTCC" \
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="$_carch" HOSTCC="$HOSTCC" \
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 \
\( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
-name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \
-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
fd04da56524b14674b463fbbbf2330609589551c7115a18fa499fc48cdc43ad33004faaa7f2d9bee471f3abac47ef8c1cdecea3976125347b10fbef2305de371 config-lts.aarch64
1d4e969b2fd4c97afc12444ccbd2d496003b656e8c5204a4777650be2bd9794e146124b12304e045e78eaa8b2db0a3ab1930a1ba641ac96e7e85cf4f00c2c641 config-lts.armv7
5760f4d0b1924a3e449f855ee13da56c81f02509bd61c466d05332203feaf3274adcd5fec0772f006bbd5af28daea80ae2ca440a99037573116b476997771865 config-lts.x86
48359b5221a6fcbde9c5eca4cfebcfe840f7e365c6df69a583826024f5d0121c64f322b7828b6b3da8321837500b67967b1d9bb89f490396e313bc9fcf3261bb config-lts.x86_64
6ad827f496e468451c97571fa48c3018cf192859ba5f9b2876d6a4a5d4b5c37deae14173c14bfccd01594ce8523f555f836f4d978ae64bcdfc862dd10a3f4901 config-lts.ppc64le
0a82f1b084e4cfe117fcd698f3cea3aec33ad4641914469fd12f13923b2fa3200e11b7ae68516f83206476350f1a4a1df6071226a047be0e4c573ac20d82bdef config-lts.s390x
68a094ef89b559f17a5b851595994facce76b2e6c2cff3c33467fc91e075121c5a4988ad276806bd7b31b4ce1a7b439c3e0d552be5650fefb66c9bb96adcfc8d config-virt.aarch64
6436011bdd5a86c8a75ef4858e5e2ca0822a80de712b16fa32b85c60f3e2d2a5f55d242af7ec5b17f3deee7a9d733f3da8c1f88cf1e0338b17929e3a03951794 config-virt.x86
5ffc40633772704c4c6cfa3a00485b42470845a210b8205ad2e8094935ddb842d21f42c5415c9a28091e456820f280f1742b5e3b24231e6da8a357bd1f380050 config-virt.x86_64
47cd20106c2b79456efd2f760c0ef9e8fb91913bd812a33be034f51feedf6166680a40f62b8580696447c8c350bedef9727a4b30cfba53c6ddd3e2aa1f656ab4 patch-5.4.27.xz"
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