_flavor=postmarketos-allwinner
_config="config-${_flavor}.${CARCH}"

pkgname=linux-${_flavor}

pkgver=5.3.0_git20190726
pkgrel=0

arch="aarch64"
pkgdesc="Kernel fork with PinePhone Don't be evil patches"
url="https://gitlab.com/pine64-org/linux/"
depends=""
makedepends="devicepkg-dev perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev openssl-dev file bison flex"
options="!strip !check !tracedeps"
install=
_commit="577c793d924a0455b2b555d468cf50f97985b6f6"
source="
	${pkgname}-${_commit}.tar.gz::https://gitlab.com/pine64-org/linux/-/archive/${_commit}/linux-${_commit}.tar.gz
	config-${_flavor}.aarch64
	touch-dts.patch
"

subpackages=""

license="GPL2"
_abi_release=$_pkgver
_carch=${CARCH}
case "$_carch" in
aarch64*) _carch="arm64" ;;
arm*) _carch="arm" ;;
ppc*) _carch="powerpc" ;;
s390*) _carch="s390" ;;
esac

HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"

builddir="$srcdir/linux-${_commit}"

prepare() {
	default_prepare

	REPLACE_GCCH=0 \
		downstreamkernel_prepare "$srcdir" "$builddir" "$_config" "$_carch" "$HOSTCC"
}

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-${_flavor}" \
		CFLAGS_MODULE=-fno-pic
}

package() {
	# kernel.release
	install -D "$builddir/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	# zImage (find the right one)
	cd "$builddir/arch/$_carch/boot"
	_target="$pkgdir/boot/vmlinuz-$_flavor"
	for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
		[ -e "$_zimg" ] || continue
		msg "zImage found: $_zimg"
		install -Dm644 "$_zimg" "$_target"
		break
	done
	if ! [ -e "$_target" ]; then
		error "Could not find zImage in $PWD!"
		return 1
	fi

	cd "$builddir"
	local _install
	case "$CARCH" in
	aarch64*|arm*)	_install="modules_install dtbs_install" ;;
	*)		_install="modules_install" ;;
	esac

	make -j1 $_install \
		ARCH="$_carch" \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_DTBS_PATH="$pkgdir/usr/share/dtb"
}

sha512sums="88aab0956b4bb3a240b40448b46b0edbfefd038759cd4c00fe89357e666e5be054ad3cd9455de2fc5670bd656c9414bbc66580723c8532a744d06ab2a4edbac2  linux-postmarketos-allwinner-577c793d924a0455b2b555d468cf50f97985b6f6.tar.gz
1e6f4206e3c694940c49a80330c53b425670e1a554a4072bd1b1cb55894e5edddb5e1fcb2e9bdc0d49a6cf27f2cad903fa2fffaefbb8337d70eb79252ae91c85  config-postmarketos-allwinner.aarch64
5f2285e4eb262a9429c73599871c3fecbb858a388774bc7cba7631987ed1dc4a14cd7606e8fefc655c5128851fc853132f0a081e3d710c9266739af92f4d37e8  touch-dts.patch"