# APKBUILD based on linux-vanilla aport. Changes:
# - disabled module installation
# - add !check !tracedeps
# - package: just install zimage and kernel.release, because the kernel config
#	does not generate modules or dtb files
# - do not create -dev subpackage (makes no sense without module support)
#
# Changes:
# - enable devtmpfs (needed for udev -> touch support in weston)
# - enabled CONFIG_VT (needed for weston to work)
# - Added ata2001's refresh rate fix for 60hz (otherwise screen is stuck at 15hz)
# - Enable generation of dtb
# - disable ANDROID_PARANOID_NETWORK (removes network restrictions)

_vendor=lge
_flavor=lg-lenok
_hash="f383838578f56e03687c81ac7d6de12eafbd85f4"
_config="config-${_flavor}.armhf"

pkgname=linux-${_flavor}
pkgver=3.10.105
case $pkgver in
	*.*.*)  _kernver=${pkgver%.*};;
	*.*) _kernver=$pkgver;;
esac
pkgrel=10
arch="armhf"
pkgdesc="G Watch R kernel"
url="https://github.com/Tsunamical/kernel_lge_bass-lenok"
depends=""
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev gcc6"
options="!strip !check !tracedeps"
install=
source="
	$pkgname-$_hash.tar.gz::${url}/archive/${_hash}.tar.gz
	$_config
	compiler-gcc6.h
	02_mdss_fb_refresh_rate.patch
"
subpackages=""
license="GPL2"

_abi_release=${pkgver}
_carch="arm"

# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
# request if you find out that it is booting working with newer GCCs as
# well. See <https://postmarketos.org/vendorkernel> for instructions.
if [ "${CC:0:5}" != "gcc6-" ]; then
	CC="gcc6-$CC"
	HOSTCC="gcc-6"
	CROSS_COMPILE="gcc6-$CROSS_COMPILE"
fi

ksrcdir="$srcdir/kernel_lge_bass-lenok-${_hash}"

prepare() {
	local _patch_failed=
	cd "$ksrcdir"

	# 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

	# gcc6 support
	cp -v "$srcdir/compiler-gcc6.h" "$ksrcdir/include/linux/"

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

build() {
	cd "$srcdir"/build
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-Alpine"
}

package() {
	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"
}

sha512sums="18726e40ef3b9ca2e9eb4fcd06199beccf37a83c9a84452a5516b8b3b849e21450297319925647f561ce70d2f9a625f16773581a1287e048ccda31366f5e5fca  linux-lg-lenok-f383838578f56e03687c81ac7d6de12eafbd85f4.tar.gz
18321085f3cca11a65dc95d568957184616e13b85267f4bec3c4b31ceda16c8256c04a15e5c57f5193d5be1066d807205089841ecfbd9ecc6d3ba5eebf45f2f7  config-lg-lenok.armhf
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
a8c955bf718f155011e980f3d0948be98e1fee5649f418299a4851780543019daf7afa406aa7b0829375645107e4e6fbf241026b0cabe2b2ac895a47df83d2d8  02_mdss_fb_refresh_rate.patch"