mirror of
https://gitlab.alpinelinux.org/alpine/aports.git
synced 2026-01-19 23:51:58 +01:00
295 lines
9.1 KiB
Plaintext
295 lines
9.1 KiB
Plaintext
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
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pkgname=linux-rpi
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pkgver=4.19.41
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case $pkgver in
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*.*.*) _kernver=${pkgver%.*};;
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*.*) _kernver=${pkgver};;
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esac
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pkgrel=0
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pkgdesc="Linux kernel with Raspberry Pi patches"
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url=https://github.com/raspberrypi/linux
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depends="mkinitfs"
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_depends_dev="perl gmp-dev elfutils-dev bash"
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makedepends="$_depends_dev sed installkernel bc linux-headers linux-firmware
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bison flex openssl-dev
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"
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options="!strip !check"
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_rpi_repo="git://github.com/raspberrypi/linux.git"
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_linux_repo="git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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source="https://kernel.org/pub/linux/kernel/v4.x/linux-$_kernver.tar.xz
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https://kernel.org/pub/linux/kernel/v4.x/patch-$pkgver.xz
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https://dev.alpinelinux.org/archive/rpi-patches/rpi-$pkgver-alpine.patch
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issue-4973.patch
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config-changes-rpi.armhf
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config-changes-rpi.aarch64
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config-changes-rpi2.armhf
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config-changes-rpi.armv7
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config-changes-rpi2.armv7
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"
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subpackages=""
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arch="armhf armv7 aarch64"
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license="GPL-2.0"
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_flavors=
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for _i in $source; do
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case $_i in
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config-*.$CARCH)
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_f=${_i%.$CARCH}
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_f=${_f#config-changes-}
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_flavors="$_flavors ${_f}"
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[ "linux-$_f" != "$pkgname" ] && subpackages="$subpackages linux-${_f}::$CBUILD_ARCH"
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subpackages="$subpackages linux-${_f}-dev:_dev:$CBUILD_ARCH"
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;;
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esac
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done
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case "$CARCH" in
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aarch64) _carch="arm64" ;;
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arm*) _carch="arm" ;;
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esac
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HOSTCC="${CC:-gcc}"
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HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
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prepare() {
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local _patch_failed=
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cd "$srcdir"/linux-$_kernver
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if [ "${pkgver%.0}" = "$pkgver" ]; then
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msg "Applying patch-$pkgver.xz"
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unxz -c < "$srcdir"/patch-$pkgver.xz | patch -p1 -N
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fi
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# first apply patches in specified order
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for i in $source; do
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case $i in
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*.patch)
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msg "Applying $i..."
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if ! patch -s -p1 -N -i "$srcdir"/${i##*/}; then
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echo $i >>failed
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_patch_failed=1
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fi
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;;
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esac
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done
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if ! [ -z "$_patch_failed" ]; then
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error "The following patches failed:"
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cat failed
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return 1
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fi
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# remove localversion from patch if any
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rm -f localversion*
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local flavor=
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for flavor in $_flavors; do
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local builddir="$srcdir"/build-$flavor
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mkdir -p "$builddir"
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echo "-$pkgrel-$flavor" > "$builddir"/localversion-alpine
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_genconfig $flavor
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make -C "$srcdir"/linux-$_kernver \
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O="$builddir" \
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ARCH="$_carch" \
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HOSTCC="$HOSTCC" \
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olddefconfig
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_verifyconfig $flavor
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done
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}
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# generate config from defconfig and apply local changes.
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# config-changes-$flavor.$CARCH holds a list of = delimited
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# config command and values used by kernel scripts/config script.
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_genconfig() {
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local flavor=$1 defconfig=
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local builddir="$srcdir"/build-$flavor
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local defconfig=
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case $flavor in
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rpi) defconfig=bcmrpi_defconfig
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[ "$CARCH" = "aarch64" ] && defconfig=bcmrpi3_defconfig ;;
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rpi2) defconfig=bcm2709_defconfig ;;
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*) die "Unknown flavor: $flavor" ;;
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esac
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cp "$srcdir"/linux-$_kernver/arch/$_carch/configs/$defconfig \
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"$builddir"/.config
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while read line; do
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[ ${line:0:1} = "#" ] && continue
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local option=${line%%=*} str=
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local cmd=$(echo $line | cut -d= -f2)
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case "$cmd" in
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enable|disable|module) str= ;;
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set-str|set-val) str=${line##*=} ;;
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*) die "Command $cmd not accepted" ;;
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esac
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msg "[$flavor] $cmd: $option $str"
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"$srcdir"/linux-$_kernver/scripts/config \
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--file "$builddir"/.config \
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--${cmd} "$option" "${str//\"/}"
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done < "$srcdir"/config-changes-$flavor.${CARCH}
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}
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# verify if options are set to correct value
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_verifyconfig() {
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local flavor=$1
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local builddir="$srcdir"/build-$flavor
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while read line; do
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[ ${line:0:1} = "#" ] && continue
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local option=${line%%=*} str= invert=
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local cmd=$(echo $line | cut -d= -f2)
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case "$cmd" in
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enable) str="$option=y" ;;
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disable) str="$option"; invert="-v" ;;
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module) str="$option=m" ;;
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set-val) str="$option=${line##*=}" ;;
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set-str) str=${line##*=}
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str="$option=\"${str//\"/}\"" ;;
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esac
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grep -q $invert "^$str" "$builddir"/.config || \
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die "Config: $option not properly set!"
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done < "$srcdir"/config-changes-$flavor.${CARCH}
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}
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build() {
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unset LDFLAGS
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for i in $_flavors; do
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cd "$srcdir"/build-$i
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make ARCH="$_carch" CC="${CC:-gcc}" \
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KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine"
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done
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}
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_package() {
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local _buildflavor="$1" _outdir="$2"
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local _abi_release=${pkgver}-${pkgrel}-${_buildflavor}
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cd "$srcdir"/build-$_buildflavor
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mkdir -p "$_outdir"/boot "$_outdir"/lib/modules
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local _install
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case "$CARCH" in
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arm*)
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_install="zinstall dtbs_install"
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;;
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aarch64)
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_install="install dtbs_install"
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;;
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*)
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_install=install
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;;
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esac
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cd "$srcdir"/build-$_buildflavor
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local INSTALL_DTBS_PATH="$_outdir"/usr/lib/linux-${_abi_release}
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make -j1 modules_install $_install \
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ARCH="$_carch" \
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INSTALL_MOD_PATH="$_outdir" \
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INSTALL_PATH="$_outdir"/boot \
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INSTALL_DTBS_PATH="$INSTALL_DTBS_PATH"
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rm -f "$_outdir"/lib/modules/${_abi_release}/build \
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"$_outdir"/lib/modules/${_abi_release}/source
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rm -rf "$_outdir"/lib/firmware
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install -D include/config/kernel.release \
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"$_outdir"/usr/share/kernel/$_buildflavor/kernel.release
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if [ "$CARCH" = "aarch64" ]; then
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mv -f "$INSTALL_DTBS_PATH"/broadcom/*.dtb \
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"$INSTALL_DTBS_PATH"
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rmdir "$INSTALL_DTBS_PATH"/broadcom
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fi
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}
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genpatch() {
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local RPI_REPO_PATH="$HOME/repositories/linux-rpi"
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msg "Checking out/pulling the Linux kernel git repository.."
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mkdir -p "$RPI_REPO_PATH" && cd "$RPI_REPO_PATH"
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git clone "$_linux_repo" "$RPI_REPO_PATH" 2>/dev/null || git pull
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msg "Fetching raspberry git repository.."
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git remote add rpi "$_rpi_repo" 2>/dev/null || true
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git fetch rpi
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msg "Generating rpi patch: rpi-$pkgver.patch"
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mkdir -p "$srcdir"
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git diff v$pkgver remotes/rpi/rpi-${pkgver%.*}.y > \
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"$srcdir"/rpi-$pkgver.patch
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msg "Sending patch to dev.alpinelinux.org.."
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scp "$srcdir"/rpi-$pkgver.patch \
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dev.alpinelinux.org:/archive/rpi-patches/rpi-$pkgver.patch
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cd "$startdir" && abuild checksum
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}
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# main flavor installs in $pkgdir
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package() {
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depends="$depends linux-firmware-brcm"
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_package rpi "$pkgdir"
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}
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# subflavors install in $subpkgdir
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rpi2() {
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depends="$depends linux-firmware-brcm"
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_package rpi2 "$subpkgdir"
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}
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_dev() {
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local _flavor=$(echo $subpkgname | sed -E 's/(^linux-|-dev$)//g')
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local _abi_release=${pkgver}-${pkgrel}-$_flavor
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# copy the only the parts that we really need for build 3rd party
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# kernel modules and install those as /usr/src/linux-headers,
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# simlar to what ubuntu does
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#
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# this way you dont need to install the 300-400 kernel sources to
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# build a tiny kernel module
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#
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pkgdesc="Headers and script for third party modules for $_flavor kernel"
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depends="$_depends_dev"
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local dir="$subpkgdir"/usr/src/linux-headers-${_abi_release}
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# first we import config, run prepare to set up for building
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# external modules, and create the scripts
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mkdir -p "$dir"
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cp "$srcdir"/build-$_flavor/.config "$dir"/.config
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make -j1 -C "$srcdir"/linux-$_kernver O="$dir" HOSTCC="${CC:-gcc}" \
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silentoldconfig prepare modules_prepare scripts
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# remove the stuff that points to real sources. we want 3rd party
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# modules to believe this is the soruces
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rm "$dir"/Makefile "$dir"/source
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# copy the needed stuff from real sources
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#
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# this is taken from ubuntu kernel build script
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# http://kernel.ubuntu.com/git/ubuntu/ubuntu-zesty.git/tree/debian/rules.d/3-binary-indep.mk
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cd "$srcdir"/linux-$_kernver
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find . -path './include/*' -prune \
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-o -path './scripts/*' -prune -o -type f \
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\( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
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-name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \
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-print | cpio -pdm "$dir"
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cp -a scripts include "$dir"
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find $(find arch -name include -type d -print) -type f \
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| cpio -pdm "$dir"
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install -Dm644 "$srcdir"/build-$_flavor/Module.symvers \
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"$dir"/Module.symvers
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mkdir -p "$subpkgdir"/lib/modules/${_abi_release}
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ln -sf /usr/src/linux-headers-${_abi_release} \
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"$subpkgdir"/lib/modules/${_abi_release}/build
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}
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sha512sums="ab67cc746b375a8b135e8b23e35e1d6787930d19b3c26b2679787d62951cbdbc3bb66f8ededeb9b890e5008b2459397f9018f1a6772fdef67780b06a4cb9f6f4 linux-4.19.tar.xz
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b398605ac497050102c673c3b71e64899517f5420b787119249077d47fa469b9c837d1597226ecd82cf1bd758ce869cc80ad65534fecc1ed91b1b7567977b914 patch-4.19.41.xz
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e6b98e4e1d998a8b198610f1435900df0cdc69c7180c479c632dc0b0698894955ab63e7324a9502a78f331deb5948ad6aff2b2e772c924a662e7ca5799bc3351 rpi-4.19.41-alpine.patch
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501c91bf2538a18102da59bbccc3097f9c3c90079acc0e946ff075074160c09b8a66934e5ce5470e170f0e4f93d114709a95230367426d0bb7ea02c4bdf4cc9b issue-4973.patch
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6c1c1c61ceb323eecb0e81e226af6b5b8fef7c8c075b1eb836639f465de5ef5d23648716c953d295250f8c6567546782956afe644573b84920a4f6902a1a0454 config-changes-rpi.armhf
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6c1c1c61ceb323eecb0e81e226af6b5b8fef7c8c075b1eb836639f465de5ef5d23648716c953d295250f8c6567546782956afe644573b84920a4f6902a1a0454 config-changes-rpi.aarch64
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6c1c1c61ceb323eecb0e81e226af6b5b8fef7c8c075b1eb836639f465de5ef5d23648716c953d295250f8c6567546782956afe644573b84920a4f6902a1a0454 config-changes-rpi2.armhf
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6c1c1c61ceb323eecb0e81e226af6b5b8fef7c8c075b1eb836639f465de5ef5d23648716c953d295250f8c6567546782956afe644573b84920a4f6902a1a0454 config-changes-rpi.armv7
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6c1c1c61ceb323eecb0e81e226af6b5b8fef7c8c075b1eb836639f465de5ef5d23648716c953d295250f8c6567546782956afe644573b84920a4f6902a1a0454 config-changes-rpi2.armv7"
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