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# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
_flavor=lts
pkgname=linux-${_flavor}
pkgver=5.4.168
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.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
748ec78861d04a6db073ba6392fcfa790376015e66f442c297fe7733122aa99057a4e6a3986833f8114c881a69f1307dfba10a9cd90fd3af653ef4b64b386889 config-lts.aarch64
ebdadeda46194bcc7ddf3c2db401ba1d32e1eeebee0c7fa3d103ac9fcf08bf53dbd83b5dddc3f990d40c06aace12ba91f6eb7d917d19e7991def3de64990fe85 config-lts.armv7
f9a090756f5c6d504b9af8bff7ce1ac98c45dfb5540bd03de515a859504f6e9d59e8d77983c90b36e2d5fe1d1975f41ac7351e27e67d264bdb3946b10ee125d2 config-lts.x86
b5c92c8278f605e15d50695eff0dbf84872422eef357e98fa46642fd37b516f5616215bd98c79b7b6516d52e0efe8b5b8dfe9049eb319535d1e2acb74ecfee1e config-lts.x86_64
1912e515aa5dedaaa15151c9b160aebbf7b45e4bd1616fc562c30dbf4b38cd59c3b04a892ef6207bcbe90fa42b4628a924777f22f980753387890e6aceaae0ff config-lts.ppc64le
1f7291fcb6dd4a0226ca9846116ada50ef03a6b67028e16d6c6c3e0fe59e45c94f54f6ef8ed6a067e16332bf6da7adc3bb7c43c2ed8fa4b743d6bb22d4ebeeb4 config-lts.s390x
2121ff443bbc617cb0f5f77b698120f71b1cdc4d18bd4312cc6ab5659635f74995d7a194820128b7aa7790f5912d5e30f00b11d6d225dab88ab9a00dc5a9c717 config-lts.mips64
1fc4cf98951ff88ceaaaca01a884c41d71f26da1d6e6c772012dead5bb530244388d5be54346c29a37df7781d05e35c83aa00e8b5f0358fa3280007423f243b7 config-lts.mips
e19a0e494bfead5846770fef9a8d4fa8ab9e7290b78a14403404f61dc71c3d667f5f199f29a817c1fbced901ed6871c70fe1e1baade78a967a2426f510e93f18 config-virt.aarch64
3a9bad315329228b368e399854c94ecbdf3f211de35c2f70cb1287f5ecbe5f50cb31f97b02f99e880ca1cf1772dd3341c8d888509718baaf78593664bc822d70 config-virt.armv7
bbf2b9b8d1cf45e95d02438c23c8b5646dc21b51b16ac34498213f8517ea94f4769781e8902a6d8a32b5f7c1b174e15afde147aeefde221024af2dc686f1b575 config-virt.x86
8a64728776209d1305f10d8310694088ec38ada723da0ef9caf1ac4390c580704cefb0f8487bd9632974fac31b6db4684e650ab2db222a63e3223658254dc8d7 config-virt.x86_64
057e5e4a43dcc1500d38c516320ec9a36efb0962a86ad3deaf37ca20334c59f6cfb3d49c840f0c3447b77b2d1ac1ca2fac2a397c47475d5217af3b7be4ff58d4 patch-5.4.168.xz"
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