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

pkgname=linux-${_flavor}

pkgver=5.1.0_git20190521
pkgrel=1

arch="aarch64"
pkgdesc="Kernel fork with PinePhone Don't be evil patches"
url="https://kernel.org/"
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="bc1984d747095d285236f0d20f691e421f3bbfc3"
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="da8d27d3660864584e2910e62f76da7fae4199d79c0c53a90afb5e344045292baeb3755d50523c702e96f2f0950d0feac93aa262d836731a1037485ab570899d  linux-postmarketos-allwinner-bc1984d747095d285236f0d20f691e421f3bbfc3.tar.gz
5a04df0f76344b247cab894c8a41b2683e75b08209f1a957948a91f99979080ab07a1695ee266d17a4a85146145cb677ccc63a40722b1ae43ba0a7886f28de92  config-postmarketos-allwinner.aarch64
5f2285e4eb262a9429c73599871c3fecbb858a388774bc7cba7631987ed1dc4a14cd7606e8fefc655c5128851fc853132f0a081e3d710c9266739af92f4d37e8  touch-dts.patch"