_vendor=asus
_flavor=asus-flo
_hash="942488347d69700cb84ad79290b7e60d124ac8d5"
_config="config-${_flavor}.armhf"

pkgname=linux-${_flavor}
pkgver=4.11
case $pkgver in
	*.*.*)  _kernver=${pkgver%.*};;
	*.*) _kernver=$pkgver;;
esac
pkgrel=0
arch="armhf"
pkgdesc="Nexus 7 2013 WIFI mainline kernel"
url="https://git.linaro.org/people/john.stultz/flo.git/log/?h=flo-WIP"

depends="postmarketos-mkinitfs"
makedepends="xz perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
options="!strip !check !tracedeps"
install=
source="
	$pkgname-$_hash.tar.gz::https://git.linaro.org/people/john.stultz/flo.git/snapshot/flo-$_hash.tar.gz
	$_config
"
subpackages=""
license="GPL2"

_abi_release=${pkgver}
_carch="arm"
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"

ksrcdir="$srcdir/flo-$_hash"

prepare() {
	default_prepare

	mkdir -p "$srcdir"/build
	cp "$srcdir"/$_config "$srcdir"/build/.config || return 1
	make -C "$ksrcdir" O="$srcdir"/build ARCH="$_carch" HOSTCC="$HOSTCC" \
	silentoldconfig
}

# this is so we can do: 'abuild menuconfig' to reconfigure kernel
menuconfig() {
	cd "$srcdir"/build || return 1
	make ARCH="$_carch" menuconfig
	cp .config "$startdir"/$_config
}

build() {
	cd "$srcdir"/build
	unset LDFLAGS

	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine" \
		CFLAGS_MODULE=-fno-pic \
		zImage modules qcom-apq8064-asus-nexus7-flo.dtb \
		|| return 1
}

package() {
	cd "$srcdir/build/arch/arm/boot"
	cat zImage dts/qcom-apq8064-asus-nexus7-flo.dtb > zImage-dtb
	
	install -Dm644 "$srcdir/build/arch/arm/boot/zImage-dtb" \
		"$pkgdir/boot/vmlinuz-$_flavor"

	install -D "$srcdir/build/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"
	
	cd "$srcdir"/build
	make -j1 modules_install \
		ARCH="$_carch" \
		INSTALL_MOD_PATH="$pkgdir" \
		|| return 1
}
sha512sums="b3d3186bf86bcfe6a39690e1c13751aefed2d876b646b93631c1e76c70a56a23adcb2e50fd8d031dfb6e7111919cf116bd9a12a91c26cb5a5042a9e4cffc4bc4  linux-asus-flo-942488347d69700cb84ad79290b7e60d124ac8d5.tar.gz
cb66045ad6253ba0092d9e39b9d8d5be5615ec257890edbe007173051433301855b9e20dee530944d16b4538ace8876073f3ba9093b29c653369e7bc750dd7ca  config-asus-flo.armhf"