aports/main/linux-rpi/APKBUILD
2019-05-08 12:32:16 +00:00

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# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=linux-rpi
pkgver=4.19.41
case $pkgver in
*.*.*) _kernver=${pkgver%.*};;
*.*) _kernver=${pkgver};;
esac
pkgrel=0
pkgdesc="Linux kernel with Raspberry Pi patches"
url=https://github.com/raspberrypi/linux
depends="mkinitfs"
_depends_dev="perl gmp-dev elfutils-dev bash"
makedepends="$_depends_dev sed installkernel bc linux-headers linux-firmware
bison flex openssl-dev
"
options="!strip !check"
_rpi_repo="git://github.com/raspberrypi/linux.git"
_linux_repo="git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
source="https://kernel.org/pub/linux/kernel/v4.x/linux-$_kernver.tar.xz
https://kernel.org/pub/linux/kernel/v4.x/patch-$pkgver.xz
https://dev.alpinelinux.org/archive/rpi-patches/rpi-$pkgver-alpine.patch
issue-4973.patch
config-changes-rpi.armhf
config-changes-rpi.aarch64
config-changes-rpi2.armhf
config-changes-rpi.armv7
config-changes-rpi2.armv7
"
subpackages=""
arch="armhf armv7 aarch64"
license="GPL-2.0"
_flavors=
for _i in $source; do
case $_i in
config-*.$CARCH)
_f=${_i%.$CARCH}
_f=${_f#config-changes-}
_flavors="$_flavors ${_f}"
[ "linux-$_f" != "$pkgname" ] && subpackages="$subpackages linux-${_f}::$CBUILD_ARCH"
subpackages="$subpackages linux-${_f}-dev:_dev:$CBUILD_ARCH"
;;
esac
done
case "$CARCH" in
aarch64) _carch="arm64" ;;
arm*) _carch="arm" ;;
esac
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
prepare() {
local _patch_failed=
cd "$srcdir"/linux-$_kernver
if [ "${pkgver%.0}" = "$pkgver" ]; then
msg "Applying patch-$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*
local flavor=
for flavor in $_flavors; do
local builddir="$srcdir"/build-$flavor
mkdir -p "$builddir"
echo "-$pkgrel-$flavor" > "$builddir"/localversion-alpine
_genconfig $flavor
make -C "$srcdir"/linux-$_kernver \
O="$builddir" \
ARCH="$_carch" \
HOSTCC="$HOSTCC" \
olddefconfig
_verifyconfig $flavor
done
}
# generate config from defconfig and apply local changes.
# config-changes-$flavor.$CARCH holds a list of = delimited
# config command and values used by kernel scripts/config script.
_genconfig() {
local flavor=$1 defconfig=
local builddir="$srcdir"/build-$flavor
local defconfig=
case $flavor in
rpi) defconfig=bcmrpi_defconfig
[ "$CARCH" = "aarch64" ] && defconfig=bcmrpi3_defconfig ;;
rpi2) defconfig=bcm2709_defconfig ;;
*) die "Unknown flavor: $flavor" ;;
esac
cp "$srcdir"/linux-$_kernver/arch/$_carch/configs/$defconfig \
"$builddir"/.config
while read line; do
[ ${line:0:1} = "#" ] && continue
local option=${line%%=*} str=
local cmd=$(echo $line | cut -d= -f2)
case "$cmd" in
enable|disable|module) str= ;;
set-str|set-val) str=${line##*=} ;;
*) die "Command $cmd not accepted" ;;
esac
msg "[$flavor] $cmd: $option $str"
"$srcdir"/linux-$_kernver/scripts/config \
--file "$builddir"/.config \
--${cmd} "$option" "${str//\"/}"
done < "$srcdir"/config-changes-$flavor.${CARCH}
}
# verify if options are set to correct value
_verifyconfig() {
local flavor=$1
local builddir="$srcdir"/build-$flavor
while read line; do
[ ${line:0:1} = "#" ] && continue
local option=${line%%=*} str= invert=
local cmd=$(echo $line | cut -d= -f2)
case "$cmd" in
enable) str="$option=y" ;;
disable) str="$option"; invert="-v" ;;
module) str="$option=m" ;;
set-val) str="$option=${line##*=}" ;;
set-str) str=${line##*=}
str="$option=\"${str//\"/}\"" ;;
esac
grep -q $invert "^$str" "$builddir"/.config || \
die "Config: $option not properly set!"
done < "$srcdir"/config-changes-$flavor.${CARCH}
}
build() {
unset LDFLAGS
for i in $_flavors; do
cd "$srcdir"/build-$i
make ARCH="$_carch" CC="${CC:-gcc}" \
KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine"
done
}
_package() {
local _buildflavor="$1" _outdir="$2"
local _abi_release=${pkgver}-${pkgrel}-${_buildflavor}
cd "$srcdir"/build-$_buildflavor
mkdir -p "$_outdir"/boot "$_outdir"/lib/modules
local _install
case "$CARCH" in
arm*)
_install="zinstall dtbs_install"
;;
aarch64)
_install="install dtbs_install"
;;
*)
_install=install
;;
esac
cd "$srcdir"/build-$_buildflavor
local INSTALL_DTBS_PATH="$_outdir"/usr/lib/linux-${_abi_release}
make -j1 modules_install $_install \
ARCH="$_carch" \
INSTALL_MOD_PATH="$_outdir" \
INSTALL_PATH="$_outdir"/boot \
INSTALL_DTBS_PATH="$INSTALL_DTBS_PATH"
rm -f "$_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
if [ "$CARCH" = "aarch64" ]; then
mv -f "$INSTALL_DTBS_PATH"/broadcom/*.dtb \
"$INSTALL_DTBS_PATH"
rmdir "$INSTALL_DTBS_PATH"/broadcom
fi
}
genpatch() {
local RPI_REPO_PATH="$HOME/repositories/linux-rpi"
msg "Checking out/pulling the Linux kernel git repository.."
mkdir -p "$RPI_REPO_PATH" && cd "$RPI_REPO_PATH"
git clone "$_linux_repo" "$RPI_REPO_PATH" 2>/dev/null || git pull
msg "Fetching raspberry git repository.."
git remote add rpi "$_rpi_repo" 2>/dev/null || true
git fetch rpi
msg "Generating rpi patch: rpi-$pkgver.patch"
mkdir -p "$srcdir"
git diff v$pkgver remotes/rpi/rpi-${pkgver%.*}.y > \
"$srcdir"/rpi-$pkgver.patch
msg "Sending patch to dev.alpinelinux.org.."
scp "$srcdir"/rpi-$pkgver.patch \
dev.alpinelinux.org:/archive/rpi-patches/rpi-$pkgver.patch
cd "$startdir" && abuild checksum
}
# main flavor installs in $pkgdir
package() {
depends="$depends linux-firmware-brcm"
_package rpi "$pkgdir"
}
# subflavors install in $subpkgdir
rpi2() {
depends="$depends linux-firmware-brcm"
_package rpi2 "$subpkgdir"
}
_dev() {
local _flavor=$(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}
# first we import config, run prepare to set up for building
# external modules, and create the scripts
mkdir -p "$dir"
cp "$srcdir"/build-$_flavor/.config "$dir"/.config
make -j1 -C "$srcdir"/linux-$_kernver O="$dir" HOSTCC="${CC:-gcc}" \
silentoldconfig 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/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="ab67cc746b375a8b135e8b23e35e1d6787930d19b3c26b2679787d62951cbdbc3bb66f8ededeb9b890e5008b2459397f9018f1a6772fdef67780b06a4cb9f6f4 linux-4.19.tar.xz
b398605ac497050102c673c3b71e64899517f5420b787119249077d47fa469b9c837d1597226ecd82cf1bd758ce869cc80ad65534fecc1ed91b1b7567977b914 patch-4.19.41.xz
e6b98e4e1d998a8b198610f1435900df0cdc69c7180c479c632dc0b0698894955ab63e7324a9502a78f331deb5948ad6aff2b2e772c924a662e7ca5799bc3351 rpi-4.19.41-alpine.patch
501c91bf2538a18102da59bbccc3097f9c3c90079acc0e946ff075074160c09b8a66934e5ce5470e170f0e4f93d114709a95230367426d0bb7ea02c4bdf4cc9b issue-4973.patch
6c1c1c61ceb323eecb0e81e226af6b5b8fef7c8c075b1eb836639f465de5ef5d23648716c953d295250f8c6567546782956afe644573b84920a4f6902a1a0454 config-changes-rpi.armhf
6c1c1c61ceb323eecb0e81e226af6b5b8fef7c8c075b1eb836639f465de5ef5d23648716c953d295250f8c6567546782956afe644573b84920a4f6902a1a0454 config-changes-rpi.aarch64
6c1c1c61ceb323eecb0e81e226af6b5b8fef7c8c075b1eb836639f465de5ef5d23648716c953d295250f8c6567546782956afe644573b84920a4f6902a1a0454 config-changes-rpi2.armhf
6c1c1c61ceb323eecb0e81e226af6b5b8fef7c8c075b1eb836639f465de5ef5d23648716c953d295250f8c6567546782956afe644573b84920a4f6902a1a0454 config-changes-rpi.armv7
6c1c1c61ceb323eecb0e81e226af6b5b8fef7c8c075b1eb836639f465de5ef5d23648716c953d295250f8c6567546782956afe644573b84920a4f6902a1a0454 config-changes-rpi2.armv7"